Jobs at Djinni

PIN-UP Global is an international holding specializing in the development and implementation of advanced technologies, B2B solutions and innovative products. We provide certification and licensing of our products, providing customers and partners of the holding with high-quality and reliable solutions.

We are looking for a Retention Marketing Manager to join our team!

Requirements:

- Experience in drafting and conducting marketing activities for player retention and return;

- Knowledge and ability to calculate the economy of the basic mechanics of bonuses, tournaments, lotteries, daily quests;

- Strong English skills, with ability to write and communicate briefs and tasks;

- Experience with client segmentation, preferably RFM;

- Knowledge of marketing and niche metrics: CvR, Margin, LTV, ARPU, RR, GGR, NGR, etc.

- Understanding of basic approaches to A/B testing and hypothesis testing to optimize marketing activities;

- Experience working with analytics tools: GA, Tableau, Power BI, Google Data Studio;

- Knowledge of market and competitor analysis methods.

Responsibilities:

- Monthly planning of marketing activities to retain and return players;

- Creation of communication plans via multiple channels (onsite/offsite);

- Forming logic and participating in launches of trigger chains;

- Setting tasks for cross-functional departments;

- Calculation of predictions with further analytics of held actions;

- Communication with the team to develop a general strategy.

What are the conditions and bonuses?

🍀 An exciting and challenging job in a fast-growing product holding, the opportunity to be part of a multicultural team of top professionals in Development, Engineering and Architecture, Management, Operations, Marketing, etc;
🤝 Great working atmosphere with passionate IT experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed;
📍Beautiful offices in Limassol, Warsaw, Almaty, Yerevan work with comfort and enjoy the opportunity to build a network of connections with IT professionals day by day;
🧑‍💻 Laptop & all necessary equipment for work according to the ecosystem standards;
🏖 Paid vacations, personal events days, days off;
🫖 Paid sick leave;
👨‍⚕ Medical insurance;
💵 Referral program enjoy cooperation with your colleagues and get a bonus;
📚 Educational support by our L&D team: internal and external trainings and conferences, courses on Udemy;
🦄 Multiple internal activities: online platform with newsletters, quests, gamification, and presents for collecting bonuses, PIN-UP talks club for movie and book lovers, board games cozy evenings, special office days dedicated to holidays, etc;
🎳 Company events, team buildings.

At Natural Links, we help businesses scale online visibility through technical SEO, high-quality content, crowd marketing, and link building. We value transparent processes, developer-style workflows for content, and measurable outcomes.

Our clients trust us to deliver growth, and the SDR role is critical to opening those first doors that lead to long-term partnerships.

Why This Role Matters    

As an Outbound SDR, you’ll be the first point of contact for potential clients — researching, reaching out, and qualifying leads that match our ICP. Your work will directly fuel our sales pipeline and create opportunities for our SEO specialists to demonstrate value.

Every sequence you write, every conversation you start, and every opportunity you pass on will contribute to Natural Links’ reputation as a trusted partner in SEO and digital growth. If you thrive on hunting for new business, turning cold outreach into warm conversations, and scaling systems that drive growth, this role is for you.

    Key Responsibilities

• Build targeted prospect lists aligned with our ICP (via LinkedIn, databases, web research, conferences, etc.).
• Initiate contact with prospects via email, LinkedIn, and other outbound channels to introduce Natural Links’ services.
• Pre-qualify leads and ensure strong alignment before handing them to the sales team.
• Write and optimize high-quality, unique sequences that resonate with our target audience.
• Develop a strong understanding of our SEO and content services to communicate clear value propositions.
• Maintain accurate lead and activity data in our CRM (Pipedrive).
• Collaborate with the sales team to ensure smooth lead handover.
• Research and test new outbound channels to expand outreach efforts.
• Stay updated on SEO, digital marketing, and outbound trends to identify new business opportunities.
• Consistently aim to exceed individual and team targets.

     Qualifications
 

• Proven experience in lead generation / outbound sales (experience with high-risk industries is a strong plus).
• Basic understanding of digital marketing and sales processes.
• Strong command of English (Intermediate+).
• Excellent communication and interpersonal skills.
• Familiarity with LinkedIn, Snov.io, Apollo, Reply.io, Clay, LinkedHelper, Waalaxy (or similar).
• Experience with CRMs (Pipedrive, Hubspot, Salesforce).
• High level of self-motivation, persistence, and attention to detail.
• Ability to work independently as well as within a team.
• Fast learner, especially with new digital tools and workflows.

     
.   Nice to have
 

• Background in SaaS, Affiliate, or IT sales
• Familiarity with GTM strategies and marketing funnels
• Negotiation / closing skills (though your main focus will be top-of-funnel SDR work)

.    What we offer
 

• Remote-first culture with an international team
• Flexible schedule + transparent KPIs
• 30 business days of paid off

• The opportunity to directly influence company growth.

   

Projects in various Healthcare subdomains, implemented using the HL7 FHIR standard for international clients from regions including the Middle East, Asia, the US, and Europe.

Responsibilities
•  Design and build web UIs with a focus on UX, performance, accessibility, and scalability.
•  Work with modern stacks: Next.js 15 (App Router, Server/Client Components, SSR/streaming/PPR) and/or React + Vite.
•  Integrate client data and AI: GraphQL (incl. Relay) or AI SDKs (e.g., Vercel AI SDK) with streaming and structured outputs.
•  Build robust forms and local state; implement i18n (next-intl or Lingui), theming, and design tokens.
•  Write and maintain tests: E2E (Playwright or Cypress) and unit (Vitest + Testing Library).
•  Collaborate with product, backend, analytics, and DevOps; participate in design/architecture and code reviews.

Requirements (must‑have)
•  Experience with React + TypeScript (TypeScript‑first mindset).
•  Production experience with Next.js 13+/15 (App Router, Server/Client Components, SSR/streaming/PPR) and/or Vite.
•  Strong HTML/CSS, responsive layouts, and familiarity with a11y.
•  Client-side GraphQL experience (Relay or other clients) and API integrations; OAuth 2.0/OIDC flows.
•  Tailwind CSS; experience with component layers like shadcn/ui and Radix UI; ability to work with Mantine or Ant Design in existing codebases.
•  Testing: Playwright and/or Cypress; Vitest + Testing Library.
•  Monorepo practices with pnpm + Turborepo (caching, dependency graph, pipelines).
•  Solid Git discipline and CI‑oriented development.

Nice to have
•  AI/LLM integrations: Vercel AI SDK (ai/ ai-sdk/*), streaming UIs, summaries, structured outputs (Zod).
•  Analytics and data: Cube.js on ClickHouse; Drizzle ORM + drizzle‑kit; Postgres/Redis integrations.
•  Auth: next-auth/jose/keycloak; deeper experience with OAuth 2.0/OIDC and token handling best practices.
•  tRPC in web services.
•  Backend (for full‑stack): NestJS + Fastify or Hono, GraphQL (Apollo), MikroORM/Drizzle + Postgres.
•  Observability/performance: OpenTelemetry, profiling, bundle/SSR optimization.
•  CI/CD and local environments: GitHub Actions, Docker Compose for local services.
•  Localization in practice: next‑intl or Lingui, translation management.

Process and quality
•  Linting/formatting: ESLint, Biome, Prettier 3 (including import sorting).
•  Testing strategy: Playwright or Cypress for E2E; Vitest + Testing Library for unit; reliable dev‑server health checks.
•  Database migrations/schemas: drizzle‑kit with peer review.
•  UI consistency: semantic tokens, theme control, and accessibility checks.

Security and privacy
•  Handle sensitive data (PHI/PII) safely: never log secrets or personal data.
•  Prefer local LLM providers when appropriate to increase privacy.

We offer

• Competitive compensation.
• Full equipment for remote work.
• Full remote setup, with the option to work from our Kyiv office (Business Center Europe Plaza, near the metro).
• Corporate English classes via Zoom (fully covered by the company).
• Paid time off, vacation, and 100% paid sick days.
• Additional New Year holidays.
• Opportunities to impact the direction of projects and product growth.
• Interesting and large-scale projects.
• Dynamic, professional team.

• Supportive and responsive management.

   

  ✨ If this sounds like the right fit for you, we’d love to hear from you — apply and let’s talk!

   

Drive platform growth by identifying, engaging, and closing new operator partnerships. Represent the company at key industry events, deliver tailored product demos, and gather competitive insights to influence commercial and product strategies.
 

Your tasks:

1. Lead Generation & Prospecting

• Identify and research potential operator partners in key regions;
• Proactively manage outbound and inbound lead pipelines via LinkedIn, CRM tools, and direct outreach;

2.Commercial Negotiation & Deal Closure

• Deliver customized product presentations and demos to prospective clients;
• Manage the entire sales cycle: from first contact to signed contract;
• Ensure smooth post-deal handover to the Account Management team;

3. Industry Events & Networking

• Represent the company at international iGaming events (e.g., SiGMA, ICE, iGB);
• Build and maintain strategic relationships to grow the partner network;

4. Market Research & Benchmarking

• Analyze competitors’ go-to-market strategies and product offerings;
• Provide internal stakeholders with relevant market intelligence and best practices;

5. CRM & Sales Pipeline Management

• Keep CRM fully updated with contact history, pipeline stage, and action items;
• Report on pipeline performance and forecast deal closures.

Our criteria:

• 2+ years in B2B sales or business development within the iGaming sector (platforms or providers);
• Strong communication, presentation, and negotiation skills;
• Proven experience in closing international deals (Europe, LATAM preferred);
• Fluent English (C1+), written and spoken;
• Willingness to travel to events and client meetings;
• Solid knowledge of iGaming business models, verticals, and industry ecosystem.

Success Metrics:

• Number of new operator partnerships signed (quarterly/yearly);
• Demo-to-deal conversion rate;
• Projected GGR impact from closed deals;
• Value and frequency of shared market intelligence and competitor insights.
   

Our offer:

• We are global, we don’t stick to office or remote options only;
• We value work-life balance and start anytime from 8 to 11, with flexible lunchtime;
• We trust each other and provide unlimited vacation days and sick-leaves;
• We support our people and provide relocation options for team members, who are interested;
• We encourage growth and cover 50% of learning expenses;
• We hold yearly performance reviews to help our team members grow and reach new heights, and reward results with regular performance bonuses;
• We believe in potential and prefer to promote internally, giving everyone a chance to prove themselves, and building our company around talents above anything else;
• We are small enough to hear the opinion of every team member, and already big enough to act on the best ideas - an opportunity to have a visible and immediate impact;
• We celebrate our team with corporate gifts and thoughtful appreciation throughout the year.

We are a recruitment agency helping our clients build strong and successful teams.

Now we’re looking for a PPC Manager for our long-term partner.

The company develops and promotes mobile apps & digital products, and we are considering candidates with experience in mobile marketing, SaaS, utilities, subscription-based services, and similar “white” niches.
 

This is a key role where you’ll work with large-scale budgets ($100k+/month), build a systematic performance marketing strategy, and directly influence business results.
It’s crucial to know how to optimize campaigns by CPI, ROAS, LTV, CAC and build effective user acquisition funnels tailored to the product.
 

What you’ll do:

• Launch, optimize, and scale campaigns in Google Ads (Search, Display, YouTube Ads, UAC);
• Manage budgets of $100k+/month with full performance responsibility;
• Optimize towards key metrics: CPI, CPA, ROAS, LTV, CAC;
• Run A/B tests, validate hypotheses, and improve landing pages & funnels;
• Implement automation (bid strategies, scripts, optimization rules);
• Work with analytics tools: GA, Firebase, AppsFlyer, Adjust;
• Deliver regular reports and growth recommendations.

What we’re looking for:

• 1+ year of experience as a PPC specialist;
• Strong expertise in Google Ads (Search, Display, Video, UAC);
• Proven track record of managing large budgets ($100k+/month);
• Solid understanding of KPIs: CPI, CPA, ROAS, LTV, CAC;
• Strong analytical mindset and data-driven approach;
• Nice to have: experience in mobile marketing (apps, SaaS, subscriptions).

What we offer:

• Full-time role, hybrid format: Warsaw office (2–3 days/week) + partial remote;
• Standard working schedule;
• Competitive salary + performance-based bonuses.

Want to work with scale and shape an international-level marketing system?
Apply now! 🚀

🚀 Join Us at Stitch.ai– Senior Full-Stack Developer Wanted!

We’re a small but mighty product team building stitch.ai - an AI-powered productivity workbench that brings email, calendar, tasks, notes, contacts, and files all under one roof. Think Outlook or Gmail/Workspace — but with an AI twist that stitches everything together, surfaces relationships, and recommends the right context at the right time.

Who We Are

We’re a remote-first startup of 9 passionate builders:

• 5 senior developers
• 1 ML engineer
• 1 DevOps
• 1 PM
• 1 Janitor
   

We’re looking to add another senior full-stack developer to our crew as we push toward launch.
 

Why You’ll Love It Here

• 💻 Full-time role, full-time salary
• 🎉 Early-stage perks – opportunities for profit sharing/early employee upside
• 🌍 100% remote team (work from anywhere)
• Wide technical playground
• Engineering focused team
   

Our Playground (Tech Stack)

Angular • TypeScript • Node.js • NestJS • PostgreSQL • Elasticsearch • RabbitMQ • Redis • Docker • Kubernetes • LLM/ML … and more.

If you love working across a broad stack and aren’t afraid to get your hands dirty from front-end polish to backend scaling, you’ll feel right at home.

We’re builders. We ship. We iterate. We have fun. And we’re creating something we’re genuinely excited to use ourselves.

👉 Does this sound like your kind of challenge? Come help us stitch the future of productivity together.

👉 Salary can be further discussed for the right candidate.

Job Description

As a Senior Full Stack Developer, you will play a critical role in designing, developing, and optimizing our web applications and backend systems. You will work on both the client-side and server-side architecture, ensuring our systems are highly scalable, resilient, and secure. You will be responsible for managing complex data flows and maintaining robust microservices architecture to handle high-traffic environments and critical service requirements.

Key Responsibilities

Full-Stack Development: Design, develop, test, and deploy front-end (Angular) and back-end (Node.js, Nest.js, Express.js) applications, with a focus on performance, security, and scalability.

Microservices Architecture: Build and maintain a microservices-based architecture, ensuring each service is modular, scalable, and can handle large and complex data flows efficiently.

Database Management: Design, optimize, and maintain PostgreSQL databases to handle extensive data processing requirements while ensuring high performance and reliability.

API Development: Develop and maintain RESTful APIs that are well-documented, secure, and meet high service requirements.

Performance Optimization: Continuously monitor and improve application performance, particularly in high-traffic situations, to ensure a seamless user experience.

Code Review & Mentorship: Conduct code reviews to ensure high-quality code and mentor junior developers, promoting best practices in code quality, architecture, and design patterns.

Collaboration & Communication: Work closely with cross-functional teams, including Product, UX/UI, and DevOps, to deliver robust and user-centered solutions. Document processes and technical designs thoroughly.

Required Skills & Qualifications

Professional Experience: 7+ years of full-stack development experience, with a focus on large-scale web applications and high-traffic environments.

Proficiency in Tech Stack:

Front-End: Angular

Back-End: Node.js, Nest.js, Express.js

Database: PostgreSQL

Strong Understanding of Microservices Architecture: Experience in designing, building, and deploying microservices-based systems, with knowledge of handling complex and large data flows.

Experience with High-Traffic Applications: Proven experience in building applications that handle high-traffic loads and ensuring uptime, scalability, and performance under pressure.

DevOps & CI/CD Knowledge: Familiarity with DevOps practices, including CI/CD pipelines, automated testing, and containerization (Docker, Kubernetes) is a plus.

Problem-Solving Mindset: Demonstrated ability to tackle complex technical challenges and continuously learn and adapt to new technologies and solutions.

Preferred Skills

Cloud Platforms: Experience with AWS, Google Cloud, OVH

API Security & Authentication: Knowledge of security best practices, including OAuth, JWT, and data encryption.

Search products like ElasticSearch or OpenSearch

Data Management: Experience with caching solutions (e.g., Redis), message brokers (e.g., RabbitMQ, Kafka), and other tools for optimizing data flows.

POSITION OVERVIEW

We are looking for a QA engineer who will join us in the DashDevs QA team to contribute to the development of a biometric-based identity verification solution. We expect a new team member to work independently and proactively (look for details and answers, not just wait patiently for a reply), and be comfortable raising challenges and proposing software improvements. It is vital that you have good communication skills and a proven ability to work well with both technical and non-technical colleagues and be comfortable working with minimal supervision.

General project description 

We’re working on a next-generation identity verification and passwordless authentication platform built with a privacy-first approach. The solution integrates live biometrics, digital identity wallets, and blockchain-based architecture to ensure secure, seamless user authentication. The system encrypts and manages sensitive data using private keys, ensuring compliance with global data privacy standards and eliminating the risks of credential phishing. It’s a highly innovative and secure environment designed to redefine how digital identity is managed and protected.

The size and the structure of the team 

From DashDevs team on the client’s side, work 1 FE developer and 5 QAs (manual and automation). You will work with some of our Ukrainian colleagues QAs, as well as with QA TL and Project manager on the client’s side, who will manage your daily tasks.

YOUR BACKGROUND

• 5 years of commercial experience in Web apps testing, both E2E and API
• Experience with Program Languages (JavaScript / TypeScript) 1+ year
• Strong knowledge in QA process and methodology
• Understanding of the client-server application architecture
• Experience in the creation of test documentation (test cases, checklists, test plans)
• Experience with REST API testing
• Experience with Postman API testing and advanced scenario scripting
• Experience with GitHub
• English level - B2

Skills that will be a plus:

• Experience with Authorizations protocols (SAML, OpenID, SSL/TLS)
• Experience with Mongo DB
• Experience with Google Cloud

RESPONSIBILITIES

• Perform functional and UI/UX testing of web applications
• Perform smoke, sanity, regression, integration, E2E, acceptance testing, API testing
• Take responsibility for QA deliverables within a sprint
• Analyse and review feature requirements
• Create test documentation (test cases, checklists, bug report, test reports)
• Participate in scrum activities
• Enhance product knowledge base
• Take part in QA process improvements within a team
• Participate in verbal and written communication with the team

About us:
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.

About the client:
Our client is an IT company that develops technological solutions and products to help companies reach their full potential and meet the needs of their users. The team comprises over 600 specialists in IT and Digital, with solid expertise in various technology stacks necessary for creating complex solutions.

About the role:
We are looking for an experienced Senior/Middle Data Scientist with a passion for Large Language Models (LLMs) and cutting-edge AI research. In this role, you will focus on designing and prototyping data preparation pipelines, collaborating closely with data engineers to transform your prototypes into scalable production pipelines, and actively developing model training pipelines with other talented data scientists. Your work will directly shape the quality and capabilities of the models by ensuring we feed them the highest-quality, most relevant data possible.

Requirements:
Education & Experience:
- 3+ years of experience in Data Science or Machine Learning, preferably with a focus on NLP.
- Proven experience in data preprocessing, cleaning, and feature engineering for large-scale datasets of unstructured data (text, code, documents, etc.).
- Advanced degree (Master’s or PhD) in Computer Science, Computational Linguistics, Machine Learning, or a related field is highly preferred.
NLP Expertise:
- Good knowledge of natural language processing techniques and algorithms.
- Hands-on experience with modern NLP approaches, including embedding models, semantic search, text classification, sequence tagging (NER), transformers/LLMs, RAGs.
- Familiarity with LLM training and fine-tuning techniques.
ML & Programming Skills:
- Proficiency in Python and common data science and NLP libraries (pandas, NumPy, scikit-learn, spaCy, NLTK, langdetect, fasttext).
- Strong experience with deep learning frameworks such as PyTorch or TensorFlow for building NLP models.
- Ability to write efficient, clean code and debug complex model issues.
Data & Analytics:
- Solid understanding of data analytics and statistics.
- Experience in experimental design, A/B testing, and statistical hypothesis testing to evaluate model performance.
- Comfortable working with large datasets, writing complex SQL queries, and using data visualization to inform decisions.
Deployment & Tools:
- Experience deploying machine learning models in production (e.g., using REST APIs or batch pipelines) and integrating with real-world applications.
- Familiarity with MLOps concepts and tools (version control for models/data, CI/CD for ML).
- Experience with cloud platforms (AWS, GCP, or Azure) and big data technologies (Spark, Hadoop, Ray, Dask) for scaling data processing or model training.
Communication & Personality:
- Experience working in a collaborative, cross-functional environment.
- Strong communication skills to convey complex ML results to non-technical stakeholders and to document methodologies clearly.
- Ability to rapidly prototype and iterate on ideas

Nice to have:
Advanced NLP/ML Techniques:
- Familiarity with evaluation metrics for language models (perplexity, BLEU, ROUGE, etc.) and with techniques for model optimization (quantization, knowledge distillation) to improve efficiency.
- Understanding of FineWeb2 or similar processing pipelines approach.
Research & Community:
- Publications in NLP/ML conferences or contributions to open-source NLP projects.
- Active participation in the AI community or demonstrated continuous learning (e.g., Kaggle competitions, research collaborations) indicating a passion for staying at the forefront of the field.
Domain & Language Knowledge:
- Familiarity with the Ukrainian language and context.
- Understanding of cultural and linguistic nuances that could inform model training and evaluation in a Ukrainian context.
- Knowledge of Ukrainian text sources and data sets, or experience with multilingual data processing, can be an advantage given the project’s focus.
MLOps & Infrastructure:
- Hands-on experience with containerization (Docker) and orchestration (Kubernetes) for ML, as well as ML workflow tools (MLflow, Airflow).
- Experience in working alongside MLOps engineers to streamline the deployment and monitoring of NLP models.
Problem-Solving:
- Innovative mindset with the ability to approach open-ended AI problems creatively.
- Comfort in a fast-paced R&D environment where you can adapt to new challenges, propose solutions, and drive them to implementation.

Responsibilities:
- Design, prototype, and validate data preparation and transformation steps for LLM training datasets, including cleaning and normalization of text, filtering of toxic content, de-duplication, de-noising, detection and deletion of personal data, etc.
- Formation of specific SFT/RLHF datasets from existing data, including data augmentation/labeling with LLM as teacher.
- Analyze large-scale raw text, code, and multimodal data sources for quality, coverage, and relevance.
- Develop heuristics, filtering rules, and cleaning techniques to maximize training data effectiveness.
- Collaborate with data engineers to hand over prototypes for automation and scaling.
- Research and develop best practices and novel techniques in LLM training pipelines.
- Monitor and evaluate data quality impact on model performance through experiments and benchmarks.
- Research and implement best practices in large-scale dataset creation for AI/ML models.
- Document methodologies and share insights with internal teams.

The company offers:
- Competitive salary.
- Equity options in a fast-growing AI company.
- Remote-friendly work culture.
- Opportunity to shape a product at the intersection of AI and human productivity.
- Work with a passionate, senior team building cutting-edge tech for real-world business use.

About us:
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.

About the client:
Our client is an IT company that develops technological solutions and products to help companies reach their full potential and meet the needs of their users. The team comprises over 600 specialists in IT and Digital, with solid expertise in various technology stacks necessary for creating complex solutions.

About the role:
We are looking for a Data Engineer (NLP-Focused) to build and optimize the data pipelines that fuel the Ukrainian LLM and NLP initiatives. In this role, you will design robust ETL/ELT processes to collect, process, and manage large-scale text and metadata, enabling the Data Scientists and ML Engineers to develop cutting-edge language models.

You will work at the intersection of data engineering and machine learning, ensuring that the datasets and infrastructure are reliable, scalable, and tailored to the needs of training and evaluating NLP models in a Ukrainian language context.

Requirements:
- Education & Experience: 3+ years of experience as a Data Engineer or in a similar role, building data-intensive pipelines or platforms. A Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field is preferred. Experience supporting machine learning or analytics teams with data pipelines is a strong advantage.
- NLP Domain Experience: Prior experience handling linguistic data or supporting NLP projects (e.g., text normalization, handling different encodings, tokenization strategies). Knowledge of Ukrainian text sources and data sets, or experience with multilingual data processing, can be an advantage given the project’s focus.
Understanding of FineWeb2 or a similar processing pipeline approach.
- Data Pipeline Expertise: Hands-on experience designing ETL/ELT processes, including extracting data from various sources, using transformation tools, and loading into storage systems. Proficiency with orchestration frameworks like Apache Airflow for scheduling workflows. Familiarity with building pipelines for unstructured data (text, logs) as well as structured data.
- Programming & Scripting: Strong programming skills in Python for data manipulation and pipeline development. Experience with NLP packages (spaCy, NLTK, langdetect, fasttext, etc.). Experience with SQL for querying and transforming data in relational databases. Knowledge of Bash or other scripting for automation tasks. Writing clean, maintainable code and using version control (Git) for collaborative development.
- Databases & Storage: Experience working with relational databases (e.g., PostgreSQL, MySQL), including schema design and query optimization. Familiarity with NoSQL or document stores (e.g., MongoDB) and big data technologies (HDFS, Hive, Spark) for large-scale data is a plus. Understanding of or experience with vector databases (e.g., Pinecone, FAISS) is beneficial, as the NLP applications may require embedding storage and fast similarity search.
- Cloud Infrastructure: Practical experience with cloud platforms (AWS, GCP, or Azure) for data storage and processing. Ability to set up services such as S3/Cloud Storage, data warehouses (e.g., BigQuery, Redshift), and use cloud-based ETL tools or serverless functions. Understanding of infrastructure-as-code (Terraform, CloudFormation) to manage resources is a plus.
- Data Quality & Monitoring: Knowledge of data quality assurance practices. Experience implementing monitoring for data pipelines (logs, alerts) and using CI/CD tools to automate pipeline deployment and testing. An analytical mindset to troubleshoot data discrepancies and optimize performance bottlenecks.
- Collaboration & Domain Knowledge: Ability to work closely with data scientists and understand the requirements of machine learning projects. Basic understanding of NLP concepts and the data needs for training language models, so you can anticipate and accommodate the specific forms of text data and preprocessing they require. Good communication skills to document data workflows and to coordinate with team members across different functions.

Responsibilities:
- Design, develop, and maintain ETL/ELT pipelines for gathering, transforming, and storing large volumes of text data and related information.
- Ensure pipelines are efficient and can handle data from diverse sources (e.g., web crawls, public datasets, internal databases) while maintaining data integrity.
- Implement web scraping and data collection services to automate the ingestion of text and linguistic data from the web and other external sources. This includes writing crawlers or using APIs to continuously collect data relevant to the language modeling efforts.
- Implementation of NLP/LLM-specific data processing: cleaning and normalization of text, like filtering of toxic content, de-duplication, de-noising, detection, and deletion of personal data.
- Formation of specific SFT/RLHF datasets from existing data, including data augmentation/labeling with LLM as teacher.
- Set up and manage cloud-based data infrastructure for the project. Configure and maintain data storage solutions (data lakes, warehouses) and processing frameworks (e.g., distributed compute on AWS/GCP/Azure) that can scale with growing data needs.
- Automate data processing workflows and ensure their scalability and reliability.
- Use workflow orchestration tools like Apache Airflow to schedule and monitor data pipelines, enabling continuous and repeatable model training and evaluation cycles.
- Maintain and optimize analytical databases and data access layers for both ad-hoc analysis and model training needs.
- Work with relational databases (e.g., PostgreSQL) and other storage systems to ensure fast query performance and well-structured data schemas.
- Collaborate with Data Scientists and NLP Engineers to build data features and datasets for machine learning models.
- Provide data subsets, aggregations, or preprocessing as needed for tasks such as language model training, embedding generation, and evaluation.
- Implement data quality checks, monitoring, and alerting. Develop scripts or use tools to validate data completeness and correctness (e.g., ensuring no critical data gaps or anomalies in the text corpora), and promptly address any pipeline failures or data issues. Implement data version control.
- Manage data security, access, and compliance.
- Control permissions to datasets and ensure adherence to data privacy policies and security standards, especially when dealing with user data or proprietary text sources.

The company offers:
- Competitive salary.
- Equity options in a fast-growing AI company.
- Remote-friendly work culture.
- Opportunity to shape a product at the intersection of AI and human productivity.
- Work with a passionate, senior team building cutting-edge tech for real-world business use.

About us:
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.

About the client:
Our client is an IT company that develops technological solutions and products to help companies reach their full potential and meet the needs of their users. The team comprises over 600 specialists in IT and Digital, with solid expertise in various technology stacks necessary for creating complex solutions.

About the role:
We are looking for an experienced Senior/Middle Data Scientist with a passion for Large Language Models (LLMs) and cutting-edge AI research. In this role, you will focus on designing and prototyping data preparation pipelines, collaborating closely with data engineers to transform your prototypes into scalable production pipelines, and actively developing model training pipelines with other talented data scientists. Your work will directly shape the quality and capabilities of the models by ensuring we feed them the highest-quality, most relevant data possible.

Requirements:
Education & Experience:
- 3+ years of experience in Data Science or Machine Learning, preferably with a focus on NLP.
- Proven experience in data preprocessing, cleaning, and feature engineering for large-scale datasets of unstructured data (text, code, documents, etc.).
- Advanced degree (Master’s or PhD) in Computer Science, Computational Linguistics, Machine Learning, or a related field is highly preferred.
NLP Expertise:
- Good knowledge of natural language processing techniques and algorithms.
- Hands-on experience with modern NLP approaches, including embedding models, semantic search, text classification, sequence tagging (NER), transformers/LLMs, RAGs.
- Familiarity with LLM training and fine-tuning techniques.
ML & Programming Skills:
- Proficiency in Python and common data science and NLP libraries (pandas, NumPy, scikit-learn, spaCy, NLTK, langdetect, fasttext).
- Strong experience with deep learning frameworks such as PyTorch or TensorFlow for building NLP models.
- Ability to write efficient, clean code and debug complex model issues.
Data & Analytics:
- Solid understanding of data analytics and statistics.
- Experience in experimental design, A/B testing, and statistical hypothesis testing to evaluate model performance.
- Comfortable working with large datasets, writing complex SQL queries, and using data visualization to inform decisions.
Deployment & Tools:
- Experience deploying machine learning models in production (e.g., using REST APIs or batch pipelines) and integrating with real-world applications.
- Familiarity with MLOps concepts and tools (version control for models/data, CI/CD for ML).
- Experience with cloud platforms (AWS, GCP, or Azure) and big data technologies (Spark, Hadoop, Ray, Dask) for scaling data processing or model training.
Communication & Personality:
- Experience working in a collaborative, cross-functional environment.
- Strong communication skills to convey complex ML results to non-technical stakeholders and to document methodologies clearly.
- Ability to rapidly prototype and iterate on ideas

Nice to have:
Advanced NLP/ML Techniques:
- Familiarity with evaluation metrics for language models (perplexity, BLEU, ROUGE, etc.) and with techniques for model optimization (quantization, knowledge distillation) to improve efficiency.
- Understanding of FineWeb2 or similar processing pipelines approach.
Research & Community:
- Publications in NLP/ML conferences or contributions to open-source NLP projects.
- Active participation in the AI community or demonstrated continuous learning (e.g., Kaggle competitions, research collaborations) indicating a passion for staying at the forefront of the field.
Domain & Language Knowledge:
- Familiarity with the Ukrainian language and context.
- Understanding of cultural and linguistic nuances that could inform model training and evaluation in a Ukrainian context.
- Knowledge of Ukrainian text sources and data sets, or experience with multilingual data processing, can be an advantage given the project’s focus.
MLOps & Infrastructure:
- Hands-on experience with containerization (Docker) and orchestration (Kubernetes) for ML, as well as ML workflow tools (MLflow, Airflow).
- Experience in working alongside MLOps engineers to streamline the deployment and monitoring of NLP models.
Problem-Solving:
- Innovative mindset with the ability to approach open-ended AI problems creatively.
- Comfort in a fast-paced R&D environment where you can adapt to new challenges, propose solutions, and drive them to implementation.

Responsibilities:
- Design, prototype, and validate data preparation and transformation steps for LLM training datasets, including cleaning and normalization of text, filtering of toxic content, de-duplication, de-noising, detection and deletion of personal data, etc.
- Formation of specific SFT/RLHF datasets from existing data, including data augmentation/labeling with LLM as teacher.
- Analyze large-scale raw text, code, and multimodal data sources for quality, coverage, and relevance.
- Develop heuristics, filtering rules, and cleaning techniques to maximize training data effectiveness.
- Collaborate with data engineers to hand over prototypes for automation and scaling.
- Research and develop best practices and novel techniques in LLM training pipelines.
- Monitor and evaluate data quality impact on model performance through experiments and benchmarks.
- Research and implement best practices in large-scale dataset creation for AI/ML models.
- Document methodologies and share insights with internal teams.

The company offers:
- Competitive salary.
- Equity options in a fast-growing AI company.
- Remote-friendly work culture.
- Opportunity to shape a product at the intersection of AI and human productivity.
- Work with a passionate, senior team building cutting-edge tech for real-world business use.

About us:

PRNEWS.IO is a global content marketing platform that connects brands with media outlets around the world. Headquartered in Northern Europe, we empower international brands to gain media exposure while helping news publishers monetize their content. Our clients are located all over the world, including Europe, the US, and Asia, with a growing strategic focus on expanding our presence and market share in the United States.

At PRNEWS.IO, you'll join a dynamic, international team that thrives in a fast-paced environment and shares a passion for global communication. We operate based on four core values:  ambition, innovation, credibility, and cooperation. And we believe in aligning our work with purpose. These values define who we are and who we strive to become.
 

Job Description

This is a remote position.

About the Role
We're looking for a Sales Development Representative (B2B) to join our global Sales team. You’ll play a key role in driving new business and expanding PRNEWS.IO's customer base.

What You’ll Do

• Research and analyze prospect profiles to understand their needs and background
• Reach out to leads via emails, calls, and social media to spark interest in PRNEWS.IO’s solutions
• Qualify leads by identifying key information (budget, needs, timeline, decision-making process
• Book discovery calls and product demos for Sales Executives with qualified prospect
• Maintain accurate records of lead interactions in CRM and ensure timely task management
• Nurture long-term leads with personalized and consistent follow-up communication
• Collaborate with the sales and marketing teams to share feedback and improve conversion rate
• Monitor lead conversion, source performance, and key sales metrics
• Contribute ideas to improve processes and overall customer experience
• Actively participate in team meetings, support colleagues, and share insight

• Report regularly to your direct supervisor and follow through on assigned goals and KPI's

   

Requirements

• 3+ years of experience in a similar SDR/Lead Generation/Sales role (ideally in advertising, SaaS, or digital services)
• Excellent communication and interpersonal skills
• Fluency in English + Russian or Ukrainian (written and spoken); Estonian is a massive plus
• Hands-on experience with CRM systems and sales tools
• Strong research, analytical, and time management skills
• Goal-oriented mindset and drive to meet and exceed KPIs
• Ability to work independently in a remote-first environment
• Curiosity about media, PR, and digital marketing trends

Benefits

• Flexibility to work remotely or in a hybrid setup
• Competitive compensation with performance-based bonuses
• Fast-growing international company
• Dynamic team with diverse backgrounds and a startup spirit
• Paid vacation & team referral bonuses
• Opportunity to grow into Account Executive or Customer Success roles
• Direct influence on company growth and visibility
   

Ready to help raise the bar for how our Sales team connects with clients? Join PRNEWS.IO as a Sales Development Representative and help us deliver consistent, high-quality customer interactions across every touchpoint.

About us

PRNEWS.IO is a global content marketing platform that connects brands with media outlets around the world. Headquartered in Northern Europe, we empower international brands to gain media exposure while helping news publishers monetize their content. Our clients are located all over the world, including Europe, the US, and Asia, with a growing strategic focus on expanding our presence and market share in the United States.

At PRNEWS.IO, you'll join a dynamic, international team that thrives in a fast-paced environment and shares a passion for global communication. We operate based on four core values:  ambition, innovation, credibility, and cooperation. And we believe in aligning our work with purpose. These values define who we are and who we strive to become.
 

Job Description

This is a remote position.

About the Role
We're looking for a Sales Development Representative (B2B) to join our global Sales team. You’ll play a key role in driving new business and expanding PRNEWS.IO's customer base.

What You’ll Do

• Research and analyze prospect profiles to understand their needs and background
• Reach out to leads via emails, calls, and social media to spark interest in PRNEWS.IO’s solutions
• Qualify leads by identifying key information (budget, needs, timeline, decision-making process
• Book discovery calls and product demos for Sales Executives with qualified prospect
• Maintain accurate records of lead interactions in CRM and ensure timely task management
• Nurture long-term leads with personalized and consistent follow-up communication
• Collaborate with the sales and marketing teams to share feedback and improve conversion rate
• Monitor lead conversion, source performance, and key sales metrics
• Contribute ideas to improve processes and overall customer experience
• Actively participate in team meetings, support colleagues, and share insight

• Report regularly to your direct supervisor and follow through on assigned goals and KPI's

   

Requirements

• 3+ years of experience in a similar SDR/Lead Generation/Sales role (ideally in advertising, SaaS, or digital services)
• Excellent communication and interpersonal skills
• Fluency in English + Russian or Ukrainian (written and spoken); Estonian is a massive plus
• Hands-on experience with CRM systems and sales tools
• Strong research, analytical, and time management skills
• Goal-oriented mindset and drive to meet and exceed KPIs
• Ability to work independently in a remote-first environment
• Curiosity about media, PR, and digital marketing trends

Benefits

• Flexibility to work remotely or in a hybrid setup
• Competitive compensation with performance-based bonuses
• Fast-growing international company
• Dynamic team with diverse backgrounds and a startup spirit
• Paid vacation & team referral bonuses
• Opportunity to grow into Account Executive or Customer Success roles
• Direct influence on company growth and visibility
   

Ready to help raise the bar for how our Sales team connects with clients? Join PRNEWS.IO as a Sales Development Representative and help us deliver consistent, high-quality customer interactions across every touchpoint.

We are looking for a CRM Manager to become a valued member of our dynamic team. As a CRM Manager, you will play a pivotal role in nurturing and retaining our existing customer base while driving sustained growth and profitability. If you are a highly motivated individual with a passion for customer relationship management and a proven track record of driving successful retention strategies, we invite you to join our team and make a significant impact on our company's growth trajectory.

HOW YOU WILL MAKE AN IMPACT

• Creating visually appealing emails for trigger campaigns aimed at retaining existing customers.
• Overseeing all aspects of trigger campaigns, from conceptualization to execution. This includes brainstorming campaign ideas, developing strategies, implementing campaign workflows, and making necessary adjustments based on performance metrics and feedback.
• Configuring bonuses to encourage customer retention. This involves determining the type and value of bonuses, setting up bonus structures, and monitoring bonus utilization.
• Developing comprehensive campaign plans focused on reactivation, enhancing player performance, and other retention objectives.
• Implementing gamification elements to enhance customer engagement and loyalty. This involves configuring and managing mini-games, and tournaments within the gaming platform.
• Conducting primary analysis of promo campaigns and their effectiveness.

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• You'll have to have at least 1 year of experience in the iGaming field and be knowledgeable about the best retention practices;
• We will expect you to possess a great deal of information about how to use different communication channels;
• Your technical skills must be at an advanced level;
• Your English level needs to be intermediate or higher;
• We will count on your understanding and insights about the process of user segmentation and content personalization.

WHY YOU’LL LOVE IT HERE:

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

Lisbon, Portugal - onsite
 

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. ‍Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.

Currently, we're looking to hire a Product manager for interactive chat to join our team in Lisbon and make their contribution to our products

!! Experience with public group chat is a must !!

✅ Responsibilities:

• Obtain the knowledge of existing product;
• Analyse competitors;
• Provide comprehensive analysis of metrics;
• Participate in setting business objectives;
• Co-create product roadmap;
• Develop new features according to the plan;
• Ensure timely launches;
• Provide leadership for the team of developers;

• Align expectations with multiple stakeholders

   

✅Requirements:

• Product management 6+ years;
• Experience with public group chat;
• IGaming experience is desirable;
• Experience in managing all aspects of a successful product throughout its lifecycle;
• Data analytics skills;
• Market and competitive analysis;
• Strong problem-solving skills;
• CRM experience will be an advantage

• Skilled at working effectively with cross-functional teams in a matrix organization 

   

Bold moves start here. Make yours. Apply today! 

Delasport — Implementing Technological Solutions Here and Now

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

As an Automation QA Engineer in the Payment team, you’ll be part of the professional team to develop complex distributed systems in high-load environments that provide multiple solutions to various consumers utilizing the modern toolset and microservice architecture.  

RESPONSIBILITIES

• Design, development, and continuous improvement of test automation frameworks
• Participant in design new automation solutions
• Integrate automated tests seamlessly into the CI/CD pipeline to enable efficient and reliable software delivery
• Create and maintain comprehensive end-to-end automated tests, covering both backend and frontend components
• Ensure test scripts are adaptable to changing application features and maintain high test coverage
• Analysis of automated test results, promptly identifying and reporting deviations or issues
• Collaborate with development and QA teams to prioritize and resolve identified defects
• Actively participate in the daily activities of feature teams, providing valuable insights into the software development process
• Maintain clear and organized documentation of test cases, procedures, and automation frameworks
• Share knowledge and expertise with team members to promote a culture of continuous learning

REQUIREMENTS

• 5+ years in software testing, and at least 3 years in test automation in Java
• OOP knowledge
• Experience with Selenium WebDriver
• REST API knowledge
• CI jobs/pipelines configuration (Jenkins)
• Windows CMD knowledge
• Excellent knowledge in Git
• Experience with databases (SQL Server, MongoDB)
• Experience with Postman or any of API testing tools
• Experience working in an Agile/Scrum development process
• Excellent communication skills to collaborate with the development team effectively and with stakeholders
• Good understanding of QA processes and SDLC including agile methodologies

NICE TO HAVES

• Experience with JUnit and Spring Boot
• Integration testing experience
• Linux shell knowledge
• Knowledge of Docker
• Experience with microservice architecture

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health insurance with the broker, which is available from the first month of cooperation
• Life insurance with the broker, which is available from the first month of cooperation
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support