Jobs at Djinni

Fozzy Group is one of the largest trade industrial groups in Ukraine and one of the leading Ukrainian retailers, with over 700 outlets all around the country. It is also engaged in e-commerce, food processing & production, agricultural business, parcel delivery, logistics and banking.
 

The Foodtech team is looking for a Data Scientist to develop the Operational Analytics function for a fast growing food delivery business. In this role, you will focus on time series forecasting, regression modeling, simulation modeling, and end-to-end machine learning pipelines to support resource planning and operational decision-making.

You will be responsible for developing simulation-based models that serve as a foundation for a digital twin of operational processes, enabling scenario analysis, stress testing, and what-if simulations for capacity planning and operational optimization.

You will work closely with product, engineering, and operations teams to transform data into measurable business impact through production-ready ML and simulation solutions.
 

Job Responsibilities:

• Develop and implement time series forecasting models for resource planning (demand, capacity, couriers, delivery slots, operational load);
• Build regression and machine learning models to explain key drivers and support operational decisions;
• Apply a wide range of time series approaches from classical models (SARIMA, ETS, Prophet) and ML models (GB) to modern Deep Learning models (LSTM, Temporal CNNs, Transformers for TS);
• Design, build, and maintain end-to-end automated ML pipelines, deploy and operate models in production using AWS SageMaker;
• Orchestrate training and inference workflows with Apache Airflow;
• Analyze large-scale operational datasets and convert results into insights, forecasts, and actionable recommendations;
• Collaborate with product managers, engineers, and operations teams to define business problems and validate analytical solutions;
• Monitor model performance, forecast stability, and business impact over time.
   

Requirements:

• Bachelor’s Degree in Mathematics / Engineering / Computer Sciences / Quantitative Economics / Econometrics;
• Strong mathematical background in Linear algebra, Probability, Statistics & Optimization Techniques;
• At least 2 years working experience on Data Science;
• Experience of the full cycle of model implementation (data collection, model training and evaluation, model deployment and monitoring);
• Ability to work independently, proactively, and to decompose complex problems into actionable tasks.
   

Skills:

• Strong proficiency in Python with solid application of object-oriented programming (OOP) principles (modular design, reusable components, maintainable code);
• Solid experience in time series forecasting and regression modeling;
• Practical knowledge of:o Classical and ML forecasting techniques;
  o Statistical methods (hypothesis testing, confidence intervals, A/B testing);
• Advanced SQL skills (window functions, complex queries);
• Experience building automated ML pipelines;
• Understanding of MLOps principles (model versioning, monitoring, CI/CD for ML).
   

Nice to have:

• Hands-on experience with AWS SageMaker (training jobs, endpoints, model registry);
• Experience with Apache Airflow for data and ML workflow orchestration;
• Knowledge of Reporting and Business Intelligence Software (Power BI, Tableau);
• Experience working with large-scale production data systems.
   

What We Offer:

• Competitive salary;
• Professional & personal development opportunities;
• Being part of dynamic team of young & ambitious professionals;
• Corporate discounts for sport clubs and language courses;
• Medical insurance package.

Are you passionate about building cutting-edge, AI-ready data platforms from the ground up? We are looking for a Senior Data Engineer to join our Data Engineering Team and lead high-impact, greenfield initiatives.

You will work on building modern cloud-native data platforms, migrating on-premises legacy systems to the cloud, and laying the architectural foundation for AI-ready data infrastructure.

In this role, you will collaborate closely with Machine Learning, Data Science, and Product teams, serving as a key technical contributor and thought leader. You will also drive R&D efforts around agentic AI architectures, event-driven systems, and LLM-ready data pipelines — turning architectural concepts into production-grade solutions.

Responsibilities:

• Design and build scalable, cloud-native data platforms from greenfield to production
• Implement near-real-time ingestion pipelines using event-driven patterns
• Define and enforce platform standards, including Data Lake / Lakehouse principles, medallion architecture, and data contracts
• Refactor and optimise existing Spark and PySpark scripts for performance and maintainability
• Introduce best practices for code quality, testing, and CI/CD across data pipelines
• Drive adoption of AI tooling and agentic workflows within the data engineering team
• Ensure data quality, observability, and reliability across all pipelines and platforms

• Develop self-service tooling and microservices to simplify platform usage for other teams

   

Requirements:

• 5+ years of professional experience in Data Engineering
• Strong Python and SQL development skills for pipeline development and optimisation
• Proficiency in Apache Spark / PySpark, including query optimisation and performance tuning
• Hands-on experience with Databricks (preferred) or Snowflake
• Experience with at least one major cloud provider: Azure (preferred), AWS, or GCP
• Experience with stream processing technologies (Kafka, Spark Structured Streaming)
• Solid understanding of ETL/ELT patterns, data modelling (dimensional, Data Vault), and data warehousing
• Experience with orchestration tools (Apache Airflow, Azure Data Factory, or equivalent)
• Knowledge of Infrastructure as Code (Terraform or equivalent)
• Understanding of production-grade system requirements: reliability, scalability, observability, and performance

• Upper-Intermediate English level

   

Will be a plus

• Familiarity with RAG pipeline design and LLM integration patterns
• Knowledge of data governance frameworks and tools (Unity Catalog, Apache Atlas, or similar)
• Experience with dbt for data transformation and modelling

• Familiarity with MLflow, Feature Stores, or ML platform integration

   

Personal profile

• Self-driven and proactive in identifying improvements
• Comfortable working in a fast-paced, innovative environment
• Strong problem-solving mindset with attention to detail
• Open to experimenting with emerging technologies and approaches

_____________________________________________________________

Ти захоплюєшся створенням передових, AI-ready дата-платформ з нуля? Ми шукаємо Senior Data Engineer, щоб ти приєднався(-лася) до нашої команди Data Engineering та очолив(-ла) масштабні, інноваційні ініціативи з нуля.

Ти працюватимеш над побудовою сучасних хмарних дата-платформ, міграцією локальних (on-premises) легасі-систем у хмару та створенням архітектурного фундаменту для AI-ready дата-інфраструктури.

У цій ролі ти тісно співпрацюватимеш з командами Machine Learning, Data Science та Product, виступаючи ключовим технічним експертом та лідером думок. Також ти вестимеш R&D-роботи над agentic AI-архітектурами, подієво-орієнтованими системами та LLM-ready дата-пайплайнами — перетворюючи архітектурні концепції на готові до продакшену рішення.

Обовʼязки:

• Проєктувати та створювати масштабовані, хмарні дата-платформи від концепції до продакшену
• Реалізовувати пайплайни для майже реального часу (near-real-time ingestion) з використанням подієво-орієнтованих патернів
• Визначати та впроваджувати стандарти платформи, включно з принципами Data Lake / Lakehouse, медальйонною архітектурою та дата-контрактами
• Рефакторити та оптимізувати наявні скрипти на Spark та PySpark для підвищення продуктивності та зручності підтримки
• Запроваджувати найкращі практики якості коду, тестування та CI/CD для дата-пайплайнів
• Сприяти впровадженню AI-інструментів та agentic-підходів у команді дата-інженерів
• Забезпечувати якість, спостережуваність (observability) та надійність усіх пайплайнів і платформ

• Розробляти self-service інструменти та мікросервіси, що спрощують використання платформи іншими командами

   

Вимоги:

• 5+ років комерційного досвіду в Data Engineering
• Сильні навички розробки на Python та SQL для створення та оптимізації пайплайнів
• Впевнене володіння Apache Spark / PySpark, включно з оптимізацією запитів та налаштуванням продуктивності
• Практичний досвід роботи з Databricks (бажано) або Snowflake
• Досвід роботи з принаймні одним великим хмарним провайдером: Azure (бажано), AWS або GCP
• Досвід роботи з технологіями потокової обробки даних (Kafka, Spark Structured Streaming)
• Глибоке розуміння ETL/ELT-патернів, моделювання даних (dimensional, Data Vault) та побудови дата-складів
• Досвід роботи з інструментами оркестрації (Apache Airflow, Azure Data Factory або аналогами)
• Знання Infrastructure as Code (Terraform або аналогів)
• Розуміння вимог до продакшен-рішень: надійність, масштабованість, спостережуваність, продуктивність

• Рівень англійської — Upper-Intermediate

   

Буде плюсом:

• Знайомство з проєктуванням RAG-пайплайнів та патернами інтеграції LLM
• Знання фреймворків і інструментів для data governance (Unity Catalog, Apache Atlas або подібних)
• Досвід роботи з dbt для трансформації та моделювання даних

• Знайомство з MLflow, Feature Stores або інтеграцією з ML-платформами

   

Особистий профіль:

• Самомотивованість та проактивність у пошуку покращень
• Комфортна робота у швидкому та інноваційному середовищі
• Сильне аналітичне мислення та увага до деталей
• Відкритість до експериментів з новими технологіями та підходами

Elbax is a fast-growing IT company building digital products without borders. Day after day, our team of experts works tirelessly to ensure our web and mobile applications not only meet but exceed user expectations.

The Role & Our Philosophy

We are looking for an SEO Specialist with an Entrepreneurial Mindset. We need a Middle+/Senior expert who is ready to be "hands-on" at every stage: from deep competitor analysis and coding tasks to site deployment and AI pipeline configuration. You are the owner of the result, evaluating SEO success not just by rankings, but by business growth and bottom-line impact.

Key Responsibilities:

• End-to-End SEO Management: Take full responsibility for project promotion in Tier-1 markets.
• Technical Execution: Independently deploy WordPress sites, handle basic coding tasks, and perform comprehensive technical audits.
• Research & Strategy: Conduct deep competitor analysis, identify growth opportunities, and rigorously test SEO hypotheses.
• Content & AI: Develop content strategies, including hands-on generation and refinement of copy using OpenAI/Claude, and maintain strict quality control of search results.
• Link Building: Design link-building strategies, source high-quality donors, and manage link equity distribution.
• Analytics: Monitor performance via GA4 and Google Search Console with a sharp focus on ROI and conversion rates.

Our Expectations:

• Experience: 2+ years in the iGaming niche (mandatory) with a portfolio of verified successful cases from the past year. We are also open to candidates from other high-competition niches (Crypto, Essay, etc.).
• Entrepreneurial Spirit: The ability to make independent decisions, justify strategies, and take full accountability for outcomes.
• Tech Stack: Proficiency in Ahrefs, Semrush, Screaming Frog, and WordPress.
• AI-Native: Proven experience using OpenAI, Claude, and other AI tools to automate SEO workflows.
• Hands-on Approach: A willingness to dive deep into the details (code, copy, settings) rather than just delegating tasks.

What We Offer:

• Professional Freedom: Minimal bureaucracy—if an idea is sound, we implement it immediately.
• Resource Base: Access to all necessary premium services and tools.
• Performance-Driven: A transparent bonus system tied directly to your achievements.
   

Ready to build the future of SEO with Elbax?

If you combine technical expertise with entrepreneurial drive and are ready to deliver results for Tier-1 projects, we want to see your CV.

We will promptly review your experience and reach out to discuss the details. Join the Elbax expert team!

N-iX is looking for Chinese Annotator to join our team. Our customer is used by our clients to stay on top of threats to their business. In our tools, they can create alerts or search, analyze and process the cybersecurity information we are providing. Analytics team is responsible for analysis and structuring of text information in different languages.
Basing on this information solution defines possible risks for different areas of customer's work.

Responsibilities:

• Work on engaging in the accurate and efficient annotation of text data using the provided tools
• Support researchers in training deep learning models through accurately categorizing content and annotating data
• Report and document issues faced from data annotation to team and discuss solutions to improve data
• POS-tagging and lemmatization

Qualification:

• Good English level
• Good speaking and reading level of second language - Chinese
   

Good to have:

• Education level in philology
• Some certifications for Chinese language level.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Hravity team is looking for a Data Researcher / Lead Generation Specialist who will be responsible for generating a consistent stream of new qualified prospects.

Hravity is an IT talent provider helping customers build their engineering teams and sustain them in the long run of product development while being the single contact point for hiring and growing the team. Established in 2011, we are also one of the oldest technical recruitment agencies in Eastern Europe, where we help with opening offshore R&D offices.

The company was created by information technology specialists and built with a focus on expertise at its core. Our essential skill and killer feature is based on a versatile assessment system. It gives us the foundation to provide top-level service by effectively fulfilling all positions, including the most complex ones, unexceptionally.

During the past decade, we’ve developed one of the largest engineering talent networks, helped over 100 customers to grow their teams, and raised our average record to the outstanding number of 10 hires per customer per year.

WHAT YOU’LL DO:

— Develop and execute lead generation strategies to provide robust support to the sales team

— Utilize a variety of online and offline resources to research and identify potential leads

— Manage cold email and LinkedIn campaigns using automation tools to optimize outreach and engagement

— Collaborate closely with the marketing and sales teams to ensure alignment of messaging and lead generation efforts. This includes creating target lists and developing outbound campaign strategies

— Develop and maintain lead generation reports and dashboards to effectively track progress and identify areas for improvement

— Stay up-to-date with industry trends and best practices in lead generation and sales to continuously refine and enhance our strategies

WHO YOU ARE:

— We’re looking both for experienced specialists and for highly motivated juniors ready to grasp knowledge and proactively execute set goals

— Good command of English

— Ability to work autonomously and with minimal direction in a highly ambiguous and fast-paced environment (being a competitive and inner-driving self-starter with well-developed planning skills, good execution discipline, and high focus on results)

— Advanced computer proficiency (touch-typing skills etc.) and IT-related education will be also considered as an advantage

OUR BENEFITS:

— Flexible work model and working hours (get things done with a balance of autonomy and collaborative teamwork — set your own work schedule and make use of a hybrid workplace cooperating remotely or in a coworking space in Kyiv)

— Unlimited vacations policy (based on mutual trust and keeping in mind the focus on results this policy grants the opportunity to take time-offs when you actually need it and with no limits)

— All needed equipment, tools and resources are provided (laptop, tablet/e-book, furniture, software, online resources, and whatever else you might need to show your best)

— Competitive monthly salary

— Social package (social insurance and gym coverage, lunches)

— Full tax and expenses coverage (IE single tax + single social contribution, cell phone, internet, transportation, etc.)

— Extensive learning opportunities (vast internal library and knowledge base, English courses, annual education budget)

— Bullshit-free atmosphere, friendly and supportive environment, straightforward processes, and flat hierarchies with little to no bureaucracy

HRAVITY is seeking an experienced Data Sourcing Specialist with ABM expertise to join our commercial team. In this role, you will take ownership of our customer database, overseeing its continuous expansion and refinement to support our daily and long-term lead generation, sales, and marketing efforts.

Ideal candidates should be proficient in sourcing and enriching data from various sources, excel in database management with a strategic mindset, and have a knack for identifying buying signals and social selling opportunities. A background in data sourcing for competitor analysis, influencer marketing, and link-building would also be a valuable asset.

—

This role is ideal for those who take pride in accuracy and enjoy analyzing and organizing data; have a strong sense of ownership, and understand the value and product of a well-maintained internal database. Who value the role of strong foundations and are driven by seeing how their efforts directly contribute to empowering others and driving success.

What am I going to do?

• Identify and add companies with a high demand for recruitment services to our database, ensuring alignment with our Ideal Customer Profile.
• Source and add prospects and warm-up contacts to the database, including gathering their contact information and social profiles.
• Search for and track buying signals such as open vacancies, hiring posts, funding rounds, or other indicators of growth that suggest a potential need for our services.
• Monitor and search for new posts, comments, and other engagement opportunities that could serve as quality triggers for social selling or awareness interaction.
• Enrich the database with data from various external sources and regularly update and maintain it to keep information accurate and current.
• Conduct data qualification to focus lead generation efforts — from high-priority ones requiring immediate action to those of low relevance or requiring further nurturing.
• Collaborate with the lead generation team to support outreach and engagement strategies by providing a stream of qualified interaction opportunities.
• Build and maintain databases of competitors, influencers, media partners, and resources, as well as websites for posting SEO materials and similar.
   

What are the qualifications?

• 2+ years of proven experience in data sourcing and lead generation, preferably with experience in the US and EU markets.
• B2 level of English is required to guarantee the quality of the information in database, as well as data sourcing process velocity and quality of interaction with colleagues.
• Robust understanding of the ABM approach, its structure, and long-term goals. As well as the value of a qualified database in its successful implementation.
• A deliberate sense of ownership of tasks in the long run, having a product mind with excellent self-management skills and a focus on great results.
• Proficiency in using of misc data sourcing and enrichment tools and technologies, both manual and automated, to source, clean, and enhance data effectively.
• Experience working with large volumes of information, while maintaining high velocity of data sourcing process, as well as quality of data in the database.
• Strong analytical skills and zero brain-fog tolerance. Ability to perform detailed analysis at scale and interpret information while maintaining accuracy and efficiency.
• Any background in information technologies as well as experience in setting automations will be treated as a strong advantage.

What are the working conditions?

• Remote-first setup, flexible working hours and unlimited vacation policy
• Supportive and collaborative atmosphere with flat hierarchies and BS-free environment
• Full tax and expense coverage, all necessary equipment, tools, and resources
• Competitive base salary with generous performance-based bonuses
• Comprehensive insurance coverage, gym memberships, office lunches, and more
• Annual educational budget for professional development

HRAVITY is looking for an experienced sales development representative to strengthen our commercial team, a forefront person, who will initiate customer communication, shaping crucial first impressions and service experience.

This position revolves around business writing and is particularly suited for candidates with a background in journalism or copywriting, motivated to refine their business writing skills on a larger scale with continuous feedback.

Recruitment specificity of the company business makes this role pivotal, since customers will appraise our communication expertise through your interactions, gauging our ability to engage with candidates on their behalf.

—

Ideal candidates should excel in commercial correspondence, prioritizing service, atmosphere, customer discovery, and attention to detail, as well as have proficiency in both personalized and template-based automated approaches. Additionally, they should have a strong grasp of lead generation processes, experience in social selling, familiarity with ABM routines, and elaborate self-management skills.

 

What am I going to do?

• Handle inquiries generated through lead generation efforts via emails, LinkedIn, and other channels promptly and effectively
• Communicate with prospects, conducting initial email discovery and guiding them through the process leading to meetings or follow-up discussions.
• Implement and oversee a systematic follow-up strategy to ensure ongoing engagement with potential clients, reminding them of previous discussions and promoting our services.
• Proactively engage with priority prospects on social media platforms, leveraging social selling techniques to nurture relationships and drive business opportunities.
• Work closely with recruitment leads and the marketing manager to align communication efforts with content plan, sales strategy and brand vision, ensuring consistency and effectiveness.
• Maintain and update our customer database, setting tasks and coordinating with the lead generation team to optimize outreach efforts.
• Develop compelling and targeted messages for lead generation campaigns, tailored to resonate with our target audience.
• Collaborate with the lead generation team on automation efforts, establishing lead generation priorities and developing a comprehensive plan.
  
   

What are the qualifications?

• 2+ years of proven experience in business development and lead generation across global markets, with a preference for experience in the US and EU.
• C1-level English proficiency is expected. Exceptional business correspondence skills will be considered with B2-level, valuing your ability to professional communications.
• Strong ability to work effectively in diverse cultural settings, demonstrating respect for cultural differences and adapting communication styles accordingly to build rapport and trust.
• Well-developed logical and critical thinking competencies, with strong argumentation skills to analyze complex situations, make sound assumptions, and articulate your reasoning clearly.
• Ability to maintain a service-oriented approach in communication, focusing on understanding and addressing customer needs while consistently considering the perspective of others.
• Excellent self-management and a proactive, entrepreneurial mindset, demonstrating the ability to work autonomously in a fast-paced environment, with a drive for results and innovation.
• Advanced computer proficiency, with a strong willingness to learn new tools and technologies in your niche daily, enhancing your ability to stay ahead in a tech-driven industry.
• Understanding of sales strategies and techniques specific to the premium segment services, enabling you to engage with high-end customers and tailor your approach to their needs.
   

What are the working conditions?

• Remote-first setup, flexible working hours and unlimited vacation policy
• Supportive and collaborative atmosphere with flat hierarchies and BS-free environment
• Full tax and expense coverage, all necessary equipment, tools, and resources
• Competitive base salary with generous performance-based bonuses
• Comprehensive insurance coverage, gym memberships, office lunches, and more
• Annual educational budget for professional development

We are looking for a Head of Revenue Growth. You will own the full revenue engine across a portfolio of mature, monetizing platforms in social discovery and live-streaming, not one funnel, not one channel, but the whole picture. That means P&L accountability, paid acquisition across mobile and web, monetization strategy, product growth experiments, and the unit economics that tie it all together. You will work directly with the CEO, Head of Marketing, Head of DS & AI, and five Product Owners . We move fast, cut through bureaucracy, and give real ownership to people who can handle it. If that sounds like your kind of environment, read on.

About United Tech: We are a global IT product company building the next generation of mobile and web platforms in live-streaming and social networking. Our products connect millions of users across North America, Europe, LATAM, and MENA, and we have been profitable doing it. Founded in Ukraine, operating worldwide, with a market we expect to exceed $206B by 2030. We are not chasing that number, we are already in the middle of it.

In this role, you will

• Own the full revenue funnel and its P&L from acquisition to repeat payments — accountable to ROAS LT0/LT7/LT30 targets and blended payback
• Develop and execute the revenue growth strategy across paid traffic (mobile + web), product growth, and monetization, owning channel mix, budget allocation, and scaling decisions
• Generate, prioritize, and validate growth and monetization hypotheses with Product and Tech, driving prioritization of Product Owner backlogs for growth work
• Lead A/B and multivariate testing across onboarding, activation, paywalls/coin-packs, and pricing
• Own unit economics (CAC, LTV, ARPU, ARPPU, ROAS, payback) and the cohort LTV model; ensure scalable, margin-aware growth given streamer revshare
• Partner with Payments and Risk to maximize payment conversion and approval rates, and expand margin-accretive web/direct billing

• Build revenue dashboards and a single source of truth for performance metrics, with shared metric definitions and transparency across teams

   

It's all about you

• Strong hands-on experience in growth / performance marketing for dating, social discovery, live-streaming, or IAP products, across both mobile apps and web funnels
• Demonstrable strong command of unit economics (CAC, LTV, ARPU, ARPPU, ROMI, payback, contribution margin) — able to build the model, not just read it
• Proven experience scaling paid acquisition on mobile and web: Google, Meta, TikTok, and programmatic/DSP (e.g., Moloco) are a strong advantage
• Solid experience with A/B testing, experimentation frameworks, and funnel optimization
• Strong analytical foundation: SQL and BI tools (e.g., Looker/Tableau), cohort analysis, predictive LTV; working knowledge of mobile attribution/MMP (AppsFlyer/Adjust), web analytics and server-side tracking (GA4, Meta CAPI), web2app deep-linking, and incrementality testing
• Experience managing growth, marketing, or media-buying teams
• Advanced user of Anthropic and OpenAI tools
• Fluent in English (B2+) and Ukrainian

Would be a plus

• Experience in payments, payment product management, or working closely with PSP/acquiring teams

What we offer

Care and support:

• 20 paid vacation days, 15 sick leave days, and 6 additional days off for family events
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Maternity Recovery Support Allowance
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule
• Modern equipment or depreciation of your own tools

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events

Hiring process

• Intro call
• Interview with the hiring team
• Bar-raising interview
• Reference check
• Offer

We’re looking for a Senior Machine Learning Engineer to design and scale production ML systems that power real-time personalization and decision-making at scale.

In this role, you’ll own the full ML lifecycle—from transforming raw behavioral data into meaningful features, to deploying low-latency prediction APIs, to building the observability needed to keep models reliable in production.

This is a great opportunity for someone with strong applied ML and MLOps expertise who enjoys solving complex engineering challenges and building scalable, high-impact systems.

Your responsibilities will include:

• Build and productionize ML models for ranking, personalization, and customer engagement.
• Develop pipelines that transform behavioral, demographic, and contextual signals into online and offline features.
• Design and deploy low-latency APIs and decision services for real-time decision-making.
• Implement experimentation frameworks, including A/B testing and exploration-exploitation strategies.
• Operationalize the ML lifecycle: automated training, CI/CD for models, artifact and feature versioning, and online/offline parity.
• Build observability into ML systems by monitoring data quality, model drift, and decision outcomes, and triggering retraining when needed.
• Establish closed feedback loops that connect decisions to business outcomes (e.g. conversions, engagement, fatigue signals such as unsubscribes).
• Collaborate closely with product and engineering teams to balance personalization, compliance, and business value in real-world systems.

What we expect from you:

• 5+ years of experience in applied ML engineering (recommendation systems, personalization, ranking, or advertising systems).
• Strong proficiency in Python or Go, SQL, and modern ML frameworks such as TensorFlow, PyTorch, or similar.
• Strong understanding of MLOps best practices, including CI/CD for ML, containerization (Docker), orchestration (Kubernetes, Airflow, Kubeflow), model registries, and monitoring frameworks.
• Familiarity with cloud ML platforms such as Vertex AI, SageMaker, or similar, and data warehouses like BigQuery, Snowflake, or Redshift.
• Experience deploying real-time ML systems, including low-latency serving, feature stores, and event-driven architectures.
• Understanding of multi-objective optimization and trade-offs in personalization systems.
• Comfort working cross-functionally in a dynamic startup environment with the overlap within USA time zone.
• Strong spoken and written English communication skills.

Nice to have:

• Experience in martech, adtech, CRM, or large-scale personalization platforms.
• Exposure to bandit algorithms, reinforcement learning, or causal inference for adaptive decision-making.
• Experience building systems serving millions of users at scale.
• Hands-on experience with Google Cloud Platform (GCP).
• Familiarity with observability tools such as Prometheus, Grafana, Evidently, WhyLabs, or Great Expectations for monitoring data and model health.

What we offer:

• Interesting projects and technical challenges that support both professional and personal growth.
• A long-term project with stability and impact.
• A flexible, results-oriented schedule with hybrid or remote work options.
• A comfortable, modern office in Kyiv with generator and battery backup.
• Competitive salary, medical insurance, and a supportive onboarding/trial period.
• Team-building events, including parties, online activities, picnics, and more.
• The opportunity to work in a Top Employer company (DOU 2025).

We are looking for a proactive Middle / Middle+ Link Building Specialist to join our SEO team and drive the growth of our backlink profile across international markets. You will be responsible for developing and executing effective off-page SEO strategies, building relationships with publishers and webmasters, identifying high-quality link opportunities, and leveraging AI-powered tools to optimize workflows and improve efficiency.

If you are passionate about SEO, understand modern link-building best practices, and enjoy combining data-driven decision-making with AI automation, we’d love to hear from you.

Responsibilities

• Develop and execute scalable link-building strategies aligned with SEO and business goals.
• Research, identify, and evaluate high-quality backlink opportunities across relevant niches.
• Conduct competitor backlink analysis and discover new link acquisition opportunities.
• Perform outreach to website owners, editors, bloggers, and publishers to secure high-quality placements.
• Build and maintain long-term relationships with partners and content publishers.
• Manage guest posting, niche edits, digital PR, and other white-hat link-building campaigns.
• Evaluate backlink quality using key SEO metrics such as Domain Rating (DR), referring domains, organic traffic, topical relevance, and spam indicators.
• Monitor backlink health, indexing status, anchor distribution, and lost links.
• Collaborate with SEO and Content teams to create effective linkable assets and optimize anchor strategies.

• Track campaign performance, prepare reports, and continuously optimize link-building efforts

   

Requirements

• 2+ years of experience in Link Building, Off-page SEO, or a related SEO role.
• Strong understanding of Google’s ranking factors and modern white-hat SEO practices.
• Hands-on experience with tools such as Ahrefs, Semrush, Google Search Console, Google Analytics 4, and Google Sheets.
• Experience with outreach tools (Hunter.io, Snov.io, BuzzStream, Pitchbox, or similar).
• Strong analytical skills with the ability to assess backlink quality and identify growth opportunities.
• Experience working with international websites and English-speaking markets is a strong advantage.

• В2 English (written communication is essential).

   

AI & Automation

We value specialists who actively leverage AI to improve productivity and scale their work.

Experience with the following is highly desirable:

• AI-assisted prospecting and competitor backlink analysis.
• Creating personalized outreach emails with AI while maintaining high quality and authenticity.
• Using AI for data analysis, backlink evaluation, and reporting.
• Automating repetitive workflows using tools such as Make, Zapier, n8n, Google Apps Script, or similar.
• Understanding AI limitations and validating outputs before implementation.

Nice to Have

• Experience with Digital PR and HARO-style campaigns.
• Familiarity with Screaming Frog or other SEO crawling tools.
• Basic knowledge of Technical SEO.
• Experience working with SaaS, Finance, or other competitive niches.

We offer:

• Paid vacation and sick leave
• We provide the equipment you need to work comfortably (if required)
• We cover 50% of courses if you want to grow professionally
• Regular salary reviews based on your performance
• Competitive salary, depending on your experience
• Always on-time payments — no delays
• A normal, supportive team without unnecessary bureaucracy

We’re launching a new product  and looking for a hands-on Product marketing Manager who can take ownership of go-to-market and first traction.

Responsibilities:
 •  Market & competitor research
 •  Positioning and value proposition
 •  Building and testing acquisition funnels
 •  Running paid traffic (Meta / Google)
 •  Landing pages optimization
 •  Analytics (CAC, CPL, conversions)
 •  Working with early sales
 •  Developing partner channels

Requirements:
 •  Experience launching products or new directions
 •  Strong understanding of funnels and unit economics
 •  Data-driven mindset
 •  Ownership and proactiveness

Nice to have:
 •  Startup experience
 •  CRM
 •  Partner / affiliate marketing

What you get:
 •  Real ownership
 •  Fast decisions
 •  Direct impact on revenue

appflame — Ukrainian product IT company that creates world-class products: Hily, Taimi, AdConnect, Mailkeeper, and more.

We are today:

• 7 years, 500+ employees, offices in Kyiv, London, Limassol, and a coworking in Warsaw;
• in 2025, appflame ranked 5th among the 50 best employers in Ukraine according to Forbes and won in the “Place for Growth” category.

Our apps Hily and Taimi are among the Top 5 dating apps in the U.S. with over 70 million users, while AdConnect and Mailkeeper specialize in developing and scaling our own B2B and B2C solutions.

Our mission:

• Flame up the world with Ukrainian products.

Our goals:

• Reach the top 5 list of product companies in the world.
• Become a unicorn.
• Turn Ukraine into a country where unicorns are born and thrive.

We are looking for daring, brave, and “crazy” people. Fans of creating real products and who dream about launching and developing cool startups. You have ambitions, we have comfortable conditions for their fulfillment.

Your project:

Taimi. It is an inclusive LGBTQ+ dating app. It is carefully designed to explore users’ diverse romantic and sexual preferences.

The app ranks among the Top 5 dating apps in the U.S. by downloads and has partnerships with Doja Cat, Katy Perry, Lil Nas X, Netflix, The Ellen Show, Rolling Stone Magazine, and more.

Taimi today: 31M users, 1,5M MAU, 84M+ matches annually.

We are looking for a Creator Partnerships Manager to lead our end-to-end outreach and collaboration with content creators.
You will be responsible for identifying creators, initiating outreach, negotiating usage rights and content buyouts, managing contracts, and ensuring smooth delivery of assets that have strong viral and cultural potential.
This is a highly operational and commercial role focused on scaling a pipeline of creator-generated content that fuels Taimi’s organic growth engine.

You Will:

• Identify and proactively reach out to creators aligned with LGBTQ+ culture, dating, lifestyle, and entertainment.
• Negotiate content usage rights, buyouts, licensing agreements, and deliverables.
• Manage pricing discussions and ensure cost efficiency while maximizing content quality.
• Oversee contract execution in collaboration with legal and operations teams.
• Define and track clear content deliverables, formats, and usage scope.
• Work closely with the organic social and marketing teams to identify content needs.
• Ensure acquired content aligns with Taimi’s tone, brand positioning, and cultural relevance.
• Build and maintain long-term relationships with high-performing creators.
• Act as the main point of contact for creators throughout collaboration lifecycle.
• Build and maintain a database of creators, rates, performance, and learnings.

We’ll Have a Match If You:

• Strong experience in creator outreach, negotiations, or talent/content sourcing.
• Comfortable structuring deals and managing contracts.
• Understanding of social content, virality, and internet culture.
• Strong communication and relationship-building skills.
• Operational mindset with attention to detail and execution speed.

Why appflame?

• Involvement in Ukrainian products that compete with the world’s best players.
• The ability to implement your own ideas — not the feeling of a cog in the system.
• Meaningful and useful products, created not just for shareholders to earn money.
• Work with the global market and a huge audience.
• Direct contact with Snapchat, Meta, Google, Apple, and access to their best practices.
• Well-established processes and no barriers to growth within the company.
• Transparent evaluation of work based on personal performance indicators.
• Powerful social package and fair compensation.

We are against all types of discrimination, bullying, and stereotypes. We provide equal employment opportunities regardless of race, skin color, religion, gender, sexual orientation, gender identity, age, marital status, health status or any other characteristics.

We are an international product iGaming company actively developing our own brands and affiliate direction. We are currently looking for a Team Lead of Affiliates who has strong experience in betting/gambling, understands international markets, and can lead, mentor, and scale an affiliate team focused on the European region.
 

Requirements:

• 3+ years of experience in affiliate marketing within the betting/gambling industry;
• 2+ years of experience as a Senior Affiliate Manager or Team Lead of Affiliates;
• Proven experience working with international markets;
• Strong understanding of affiliate metrics and the ability to analyze traffic quality;
• Successful experience in scaling affiliate marketing results;
• Effective process management and strong cross-functional communication skills;
• Experience in building, training, motivating, and mentoring an affiliate marketing team;
• Strategic thinking and a data-driven approach to decision-making;
• Upper-Intermediate level of English or higher;
• Excellent communication and negotiation skills.
   

Responsibilities:

• Regularly audit both existing and new partners;
• Monitor partners’ KPI performance and ensure target achievement;
• Reactivate inactive or underperforming partners;
• Develop and implement a strategy for the European region together with the Head of Affiliates and CMO;
• Prepare regular reports: daily, weekly, and monthly;
• Continuously monitor European markets to identify new opportunities and solutions for partner acquisition;
• Attend professional conferences and manage the team’s schedule of meetings and partner contacts;
• Manage and monitor the performance of the affiliate team in the European market;
• Mentor and onboard new affiliate managers;
• Regularly test funnels to improve partner conversion rates and overall results;
• Participate in the development of retention strategies to increase partner conversion;
• Collaborate regularly with Marketing, CRM, and Design teams;

Represent the company at professional conferences and industry events.

Benefits:

• Comfortable Working Environment: Work from our modern offices in Kyiv or Limassol, or remotely
• Annual Loyalty Bonus: Receive a yearly bonus every February as recognition of your dedication
• Professional Growth: Attend global exhibitions and conferences, and improve your skills with company-sponsored English courses
• Performance Reviews: Regular feedback sessions to track progress and discuss career development
• Team Spirit: Participate in teambuilding activities and company-wide celebrations
• Personal Milestones: We celebrate your important life events, from birthdays to professional achievement

Join us for an innovative journey where your expertise shapes our brand’s success. In a collaborative setting with growth opportunities, you’ll lead the iGaming evolution. Ready to shape the future?

🚀 Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries.

📍 About the Product:

We are building an AI-first platform that fuses multiple maritime data sources into a unified operational picture. The system builds a digital twin of global maritime activity, applies behavioral analytics and predictive AI models to surface smuggling, illegal fishing, container risk, and other compliance or security threats, and presents mission-grade intelligence to both commercial and government stakeholders. 

Operating at global scale, the platform processes millions of events and terabytes of geospatial data daily. 

About the Role:

You will join an autonomous team formed to pioneer agentic, AI-first workflows within a production-grade maritime intelligence platform.
You will own the design, delivery and operation of backend services that power generative AI agents at scale, influence core architectural decisions, and drive AI-SDLC standards across the organization.

📍 Key Responsibilities:

• Architect and build scalable microservices in Python to support agentic workflows and data pipelines within a distributed system, contributing to frontend development when needed (React).
• Lead integration of generative AI capabilities – LLM APIs, RAG pipelines and autonomous agents – into production environments.
• Implement operational practices and observability for AI components, including monitors for model drift, hallucination detection and performance metrics.
• Establish and enforce AI-SDLC practices: code reviews, automated testing, CI/CD pipelines and continuous trace-based quality evaluations.
• Design and maintain infrastructure as code using Terraform, Kubernetes (K8s) and related AWS services.
• Drive improvements in engineering speed and quality through tooling, automation and architectural enhancements.
• Mentor engineers on emerging AI frameworks, developer tools and best practices for high-scale agentic development.
• Collaborate with product and research teams to translate user requirements into reliable, secure backend services.

📍 Required Competence and Skills:

• 7+ years of professional backend engineering experience, including at least 2 years building agentic or autonomous AI workflows in production.
• Deep experience with Python.
• Hands-on experience in agentic frameworks such as LangChain, LangGraph, DeepAgents, CrewAI, OpenClaw, Hermes (or equivalent).
• Proven track record designing scalable, event-driven architectures on AWS, including messaging (SQS/SNS) and SQL/NoSQL databases.
• Strong understanding of GraphQL or REST API design and DevOps practices, including CI/CD, Kubernetes, and Terraform.
• Skilled in implementing production-grade security, monitoring and incident response for mission-critical systems.

Nice to Have:

• Experience with React.js and full-stack development.
• Familiarity with vector databases and similarity search for AI applications.

Why Us:

We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

We provide full accounting and legal support in all countries we operate.

We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.

Are you a Full-Stack Engineer with a passion for systems integration, efficiency, and automation? N-iX is seeking a versatile developer to be at the forefront of our technology evolution, enhancing system capabilities and improving user experiences organization-wide.

Requirements:

• 3+ years direct experience developing with Microsoft Dynamics 365 Business Central, including expertise in AL Code.
• Hands-on experience integrating APIs and building workflow automations using platforms such as MuleSoft, Power Automate, Zapier, or Boomi is a strong plus.
• Ability to analyze, optimize, and document system architectures and integrations.
• Excellent English skills

• Familiarity with Agile/Scrum software development methodologies.

   

Nice to have:

• Relevant Microsoft certifications (Dynamics 365, Business Central, Power Platform).
• 1 year Full-stack development experience using Python (backend) and JavaScript (front-end) with proficiency in at least one major framework (React, Angular, or Vue).
• Experience in manufacturing, logistics, supply chain, or sustainable technology sectors.
• Prior exposure to business process improvement and digital transformation projects.

Responsibilities:

• Develop Full-Stack Applications: Design, build, and maintain both client-facing front-end components (e.g., web dashboards, internal tools) and server-side logic 
• Build Business Central Reports & Extensions: Use AL Code to develop user-defined reports, extensions, and customizations within Microsoft Dynamics 365 Business Central, supporting key business functions.
• Create Automations: Design and deploy API-driven automations to streamline workflows using platforms/tools such as MuleSoft, Microsoft Power Automate, Zapier, or Boomi.
• Implement Front-End Interfaces: Work closely with stakeholders to create responsive, intuitive user interfaces using HTML, CSS, JavaScript, and modern front-end frameworks.
• Enhance System Capabilities: Analyze existing systems and develop new features to improve performance, usability, scalability, and security.
• Collaborate Across Teams: Partner with Finance, Manufacturing, Supply Chain, and Sales to translate business requirements into effective technical solutions.

• Support Agile Development: Participate in an Agile-inspired change control process that emphasizes iterative improvement, thorough testing, and fast, clean deployments.

   

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers