Jobs at Djinni

Primary Responsibilities 

-Define and implement a testing strategy aligned with the client's quality and BDD principles. 

-Coach delivery teams, Business Owners, and Product Owners on BDD practices. 

-Drive adoption of Definition of Ready (DoR) and Definition of Done (DoD), including supporting methodologies and tooling. 

-Improve acceptance criteria quality and overall story readiness. 

-Align business requirements, scenarios, acceptance criteria, and tests. 

-Define an evidence model to support Earn/Burn reporting and delivery measurement.

We offer:

- Attractive financial package

- Paid vacation, holidays and sick leaves

- Challenging projects

- Professional & career growth

- Great atmosphere in a friendly small team

- Flexible working hours

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

We are looking for an Embedded Software Engineer to join the BSP team and work on the development and maintenance of low-level firmware and Board Support Packages for advanced hardware platforms.

In this role, you will work closely with hardware, validation, and VLSI teams to enable seamless hardware-software integration and contribute to the development of next-generation products.

Your task:

• Design, develop, and maintain BSP and low-level firmware based on Zephyr RTOS
• Develop and integrate device drivers, board configurations, and platform services
• Implement management interfaces and protocols such as MCTP, IPMI, PLDM, NC-SI, and Redfish
• Support platform monitoring, control, and system management features
• Participate in board bring-up activities and chip/platform integration
• Develop Python and Bash tools for platform management, testing, and automation
• Collaborate with hardware, validation, and VLSI teams to ensure reliable system integration

Requirements:

• 3+ years of experience in embedded software or firmware development in a Linux environment
• Strong programming skills in C
• Experience with Python and Bash scripting
• Understanding of networking concepts and communication protocols
• Knowledge of hardware/software interfaces such as I2C, SPI, GPIO, UART
• Experience working close to hardware and SoC/board-level development

Your strengths:

• Strong technical and problem-solving skills
• Ability to work independently and learn quickly
• Good communication skills
• Team-oriented mindset and ability to collaborate across disciplines

This is an opportunity to work on challenging low-level embedded systems, combining software development with hardware integration in an innovative technology environment.

Softcery builds production-ready conversational AI systems for B2B software platforms. We partner with software companies in the US and UK to build AI agents, copilots, voice interfaces, and conversational layers that integrate directly into their products. Our team focuses on complex AI engineering - building reliable, scalable systems that work with real users, workflows, and product infrastructure. We combine deep AI expertise with strong product thinking to help companies move from AI prototypes to production-ready systems they can own and scale.

We are looking for a Strong Middle AI Engineer to lead the delivery of AI-powered products for international clients. You'll work on complex AI systems with a strong focus on Voice AI, collaborating directly with clients and taking ownership of features from design to production. 

What You'll Do:

• Deliver production-ready AI solutions for international clients from concept to deployment.
• Design and build AI-powered applications with a strong focus on Voice AI and intelligent automation.
• Integrate LLMs, third-party APIs, and business systems into scalable software solutions.
• Own technical implementation, make architectural decisions, and ensure high code quality.
• Collaborate directly with clients to clarify requirements, discuss technical solutions, and deliver business value.

• Continuously explore new AI technologies and apply them to real-world customer challenges.

   

What We're Looking For:

• 3+ years of commercial experience in Python development.
• Hands-on experience with developing AI-powered applications.
• Strong software design and problem-solving skills.
• Ability to independently own features and deliver projects with minimal supervision.
• Excellent communication skills and confidence working directly with international clients.
• English – Advanced (C1).

Will be a plus:

• Experience with React and Node.js.

What We Offer:

• Structured onboarding – a clear onboarding plan, documented workflows, and a team that has your back.
• Flexible remote schedule – work from wherever and whenever you're most productive.
• Learning budget – we cover books, courses, English lessons, and AI tools for your professional growth.
• Full accounting support – so you can focus on the work, not the paperwork.
• Time off – 20 paid vacation days, 12 sick days, 2 paid period leave days/month (for women), and your birthday off.
• IT Cluster membership – access to professional events and networking opportunities in the local tech community.

🔁 Hiring Process: Screening → Technical interview→ Test Task → Final Interview.

If you enjoy taking ownership, solving complex engineering challenges, and building AI products that create real business impact, we'd love to meet you 👋

Softcery builds production-ready conversational AI systems for B2B software platforms. We partner with software companies in the US and UK to build AI agents, copilots, voice interfaces, and conversational layers that integrate directly into their products. Our team focuses on complex AI engineering - building reliable, scalable systems that work with real users, workflows, and product infrastructure. We combine deep AI expertise with strong product thinking to help companies move from AI prototypes to production-ready systems they can own and scale.

We are looking for an AI Engineer to design and build AI agents, Voice AI solutions, and intelligent automations. You'll work with modern LLMs, agent frameworks, and production AI systems that solve real business problems.

What You'll Do:

• Build AI agents, Voice AI solutions, and intelligent automation workflows.
• Design and develop AI-powered applications using modern LLMs and agent frameworks.
• Build RAG pipelines and integrate AI systems with APIs, databases, CRMs, and third-party services.
• Design prompts, agent workflows, memory, and tool-calling capabilities.
• Optimize AI systems for performance, reliability, scalability, and cost efficiency.
• Explore new AI models, frameworks, and technologies, applying the best solutions to real-world use cases.

• Collaborate with engineers and clients to deliver production-ready AI solutions.

   

What We're Looking For:

• 1–3 years of commercial experience in AI Engineering.
• Strong Python skills.
• Hands-on experience with LLM APIs (OpenAI, Anthropic, Gemini, etc.) and AI-powered applications.
• Experience with LangGraph, LangChain or similar frameworks.
• Understanding of prompt engineering, RAG, embeddings, vector databases, and AI orchestration concepts.
• Strong problem-solving skills, ownership mindset, and eagerness to learn.

• English – Upper-Intermediate (B2) or higher.

   

What We Offer:

• Structured onboarding & mentorship – a clear onboarding plan, documented workflows, and a team that has your back.
• Flexible remote schedule – work from wherever and whenever you're most productive.
• Learning budget – we cover books, courses, English lessons, and AI tools for your professional growth.
• Full accounting support – so you can focus on the work, not the paperwork.
• Time off – 20 paid vacation days, 12 sick days, 2 paid period leave days/month (for women), and your birthday off.
• IT Cluster membership – access to professional events and networking opportunities in the local tech community.

🔁 Hiring Process: Screening → Technical interview→ Test Task → Final Interview.

If you're excited about building AI products that solve real business problems and want to work with the latest AI technologies every day, we'd love to meet you 👋

Bitmedia Labs is an international product company founded in 2014. Today, we’re a team of 150+ specialists working globally, building products used by millions worldwide.

Our work spans two core areas:
• Game Development – browser-first games for global audiences, centered on reward-driven progression and long-term engagement.
• Digital Advertising – high-performance advertising and affiliate platforms across Web2 and Web3 markets.

Responsibilities:
 

• Oversee the end-to-end delivery of client PR and guest-posting campaigns via our platform, ensuring strict adherence to briefs, guidelines, and deadlines;
• Identify and vet relevant digital media, industry blogs, and news outlets using metrics like organic traffic, Domain Rating (DR), and audience demographics;
• Negotiate competitive pricing, publication terms, and value-add options (social amplification, permanent links, indexing guarantees) with publishers and webmasters;
• Continuously update and curate available media packages on the marketplace to ensure accurate pricing, availability, and high catalog relevance;
• Foster long-term relationships with top-tier publishers, editors, and ad networks for priority turnaround times and exclusive rates;
• Track live placements, monitor post-indexing status, and compile clear performance reports for clients.

Requirements:
 

• 1+ years in outreach, digital PR, link building, media buying, or account management in a digital agency/platform;
• Hands-on experience with SEO and traffic intelligence tools (Ahrefs, Semrush, Similarweb, Moz) and advanced use of Google Sheets / Excel;
• Proven ability to negotiate favorable terms, build rapport, and handle challenging partner situations diplomatically;
• High organizational skills to manage multiple concurrent orders without missing publisher guidelines or client deadlines;
• B2 English (fluent written communication for daily negotiation with international publishers and clients).
   

Nice to have:
 

• Experience with CRM systems, task managers, or internal CMS/admin platforms.
• Basic understanding of off-page SEO principles, anchor text distribution, and indexing factors.
   

Hiring process:
• Intro call with a Recruiter — Interview with the Hiring team — Test task  — Сollection of recommendations — Offer.

Why join Bitmedia Labs?
We care about what we build – and about the people who build it. Our teams work closely together, share responsibility for the product, and support each other in everyday challenges.

As part of the team, you’ll have:
• Professional growth through products operating at global scale;
• The opportunity to experiment, bring ideas to life, and influence product decisions;
• Collaboration with strong, experienced teammates who value quality and teamwork.

We also support you with:
• Flexible schedule and the option to work remotely or from our hubs in Kyiv, Warsaw, and Berlin;
• Competitive compensation, regular performance reviews, paid vacation, sick leave, and public holidays;
• Modern Apple equipment and thoughtful corporate gifts for holidays and personal milestones;
• Support for your growth: courses, workshops, and conferences.
Through our charity foundation Bit Spilka, led by volunteers from our team, we support the military, medics, and civilians across Ukraine – delivering over $500,000 in aid to date. Here your work also drives social impact, and you can also join our volunteer initiatives.

If this resonates with you – send your CV and join us.
Let’s foster the world together!

We are looking for a strong Embedded Developer with Product Security experience to join a hands-on project focused on bringing an existing embedded product in line with the EU Cyber Resilience Act (CRA) requirements ahead of the 2027 deadline.

This is not a pure compliance or audit role. You will work directly with firmware, product security, and a large, long-lived codebase alongside an experienced in-house engineering team.

What you will do

• Implement Secure-by-Design / Secure-by-Default practices in firmware;
• Work on authentication, access control, encryption, and attack-surface reduction;
• Implement signed and authenticated firmware updates, including automatic updates, opt-out, and rollback;
• Develop device identity management and PKI integration;
• Implement security logging, monitoring, and secure data deletion;
• Set up machine-readable SBOM tooling and integrate it into the build process;
• Establish vulnerability triage and remediation workflows;
• Support security fixes that can be released independently from functional releases;
• Perform firmware security testing, including fuzzing and penetration testing;
• Use AI assistants to understand unfamiliar parts of the codebase, trace data flows, and identify security risks;
• Create technical documentation covering architecture, risk assessment, and SBOM references.

What we are looking for

• Strong hands-on experience with C/C++;
• Solid Embedded Linux experience;
• Experience with Yocto;
• Proven product security experience on shipped hardware;
• Practical knowledge of Secure Boot, firmware signing, and secure firmware updates;
• Experience with PKI and device identity;
• Experience with vulnerability triage, remediation, coordinated disclosure, and security advisories;
• Experience with firmware fuzzing and penetration testing;
• IoT or Industrial Control Security experience is highly desirable;
• Comfortable working in a large legacy codebase;
• Experience using AI assistants as part of everyday engineering workflows.

Tech Stack

C, C++, Embedded Linux, Yocto, PKI, Secure Boot, Firmware Signing, SBOM, Fuzzing, Penetration Testing

Senior C++ Embedded Software Engineer — On-site, Stuttgart

We are looking for a Senior C++ Embedded Software Engineer to join an automotive project in Stuttgart.
 

Mandatory requirements:

• Strong professional experience with C++
• Hands-on experience with ISO 26262 / Functional Safety
• Solid background in Automotive Embedded Software
• Availability to work on-site in Stuttgart
   

Responsibilities:

• Develop and integrate embedded software for automotive systems
• Work on safety-critical software components
• Collaborate with the automotive engineering team on ECU/platform development

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and more, driving digital transformation across finance, manufacturing, telecom, healthcare, and other industries. Join N-iX and become part of a team where your ideas make a real impact.

At N-iX CTO Group, we harness the power of technology to drive innovation and deliver exceptional business value. We specialize in designing and executing industry-relevant solutions that redefine standards in enterprise technology. Join a vibrant team committed to driving large-scale transformation across global enterprises.

As a Principal Solutions Architect, you will play a key leadership role in shaping technology direction, guiding cross-functional initiatives, and enabling high-impact delivery. You’ll be responsible for leading complex solution engagements, from discovery and advisory to implementation, while mentoring architecture talent, strengthening practices, and contributing to company-wide strategic growth.

This role is ideal for a seasoned architect with strong consulting capabilities, a track record of hands-on project delivery, and the ability to scale architectural impact across multiple teams and accounts.

Key Responsibilities

Strategic & Leadership Responsibilities:

• Lead architecture visioning and cross-cutting strategic initiatives across a portfolio of enterprise clients.
• Drive practice growth by establishing frameworks, methodologies, and reusable assets for solution delivery and consulting engagements.
• Build and mentor architecture and engineering teams, ensuring capability uplift and technical excellence across accounts.
• Act as a trusted advisor to client C-level executives and technology leaders, helping shape digital strategy and technology roadmaps.
• Govern architecture implementation across the portfolio to ensure alignment with best practices, maintainability, and long-term value.

Delivery & Consulting Responsibilities:

• Lead or guide discovery phases, assessments, technical workshops, and architecture audits.
• Translate complex business and technical requirements into scalable, sustainable architectural solutions.
• Own solution proposals during pre-sales and upsales, including technical vision, high-level design, risk management, and cost estimation.
• Lead project execution, ensuring architecture is delivered according to vision.
• Evaluate and adopt emerging technologies, aligning client needs with forward-thinking architectural approaches.
• Act as a Chief Architect and lead a team with subordinate architects on the complex accounts.

Qualifications:

• 10+ years of relevant experience in software engineering and solution architecture.
• 3+ years in an architecture leadership or principal-level role within the IT service / IT consulting environment.
• Proven ability to lead complex, high-impact consultancy engagements with global enterprise clients.
• Demonstrated experience building solutions from scratch, preferably for large-scale distributed systems (team size 30+, duration 12+ months).
• Deep understanding of cloud-native architecture, with hands-on experience in at least two major cloud platforms (AWS, Azure, GCP).
• Strong background in microservices, APIs, integration patterns, and distributed system design.
• Track record of coaching, mentoring, and team enablement within a matrixed or consulting environment.
• Exceptional stakeholder engagement and communication skills—equally comfortable with engineers and executives.
• Fluent in modern delivery practices: Agile, DevOps, CI/CD, Infrastructure as Code, etc.
• English - Upper-Intermediate or Advanced

Desirable Certifications:

• SEI Software Architecture Professional
• TOGAF or similar enterprise architecture certification
• Cloud certifications (e.g., AWS Solutions Architect Associate/Professional, Azure Solutions Architect Expert)
• Domain-specific expertise in areas such as data platforms, security, or enterprise integration is a plus

Join an exciting journey to create a cutting-edge Consumer Data Lake for a leading global organization based in Europe. This platform will unify, process, and leverage consumer data from various systems, unlocking advanced analytics, insights, and personalization opportunities. As a Senior Data Engineer, you will play a pivotal role in shaping and implementing the platform's architecture, focusing on hands-on technical execution and collaboration with cross-functional teams.

Your work will transform consumer data into actionable insights and personalization on a global scale. Using advanced tools to tackle complex challenges, you’ll innovate within a collaborative environment alongside skilled architects, engineers, and leaders.

Key Responsibilities:

• Hands-On Development: Build, maintain, and optimize data pipelines for ingestion, transformation, and activation.
• Create and implement scalable solutions to handle diverse data sources and high volumes of information
• Data Modeling & Warehousing: Design and maintain efficient data models and schemas for a cloud-based data platform.
• Develop pipelines to ensure data accuracy, integrity, and accessibility for downstream analytics.
• Collaboration: Partner with Solution Architects to translate high-level designs into detailed implementation plans.
• Work closely with Technical Product Owners to align data solutions with business needs.
• Collaborate with global teams to integrate data from diverse platforms, ensuring scalability, security, and accuracy.
• Platform Development: Enable data readiness for advanced analytics, reporting, and segmentation.
• Implement robust frameworks to monitor data quality, accuracy, and performance.
• Testing & Quality Assurance: Implement robust security measures to protect sensitive consumer data at every stage of the pipeline
• Ensure compliance with data privacy regulations (e.g., GDPR, CCPA ..) and internal policies.
• Monitor and address potential vulnerabilities, ensuring the platform adheres to security best practices.

Requirements:

• Over 4+ years of experience showcasing technical expertise and critical thinking in data engineering.
• Hands-on experience with DBT and strong Python programming skills.
• Proficiency in Snowflake and expertise in data modeling are essential.
• Demonstrated experience in building consumer data lakes and developing consumer analytics capabilities is required.
• In-depth understanding of privacy and security engineering within Snowflake, including concepts like RBAC, dynamic/tag-based data masking, row-level security/access policies, and secure views.
• Ability to design, implement, and promote advanced solution patterns and standards for solving complex challenges.
• Familiarity with multiple cloud platforms (Azure or GCP preferred, with a focus on Azure).
• Practical experience with Big Data batch and streaming tools.
• Competence in SQL, NoSQL, relational database design (SAP HANA experience is a bonus), and efficient methods for data retrieval and preparation at scale.
• Proven ability to collect and process raw data at scale, including scripting, web scraping, API integration, and SQL querying.
• Experience working in global environments and collaborating with virtual teams.
• A Bachelor’s or Master’s degree in Data Science, Computer Science, Economics, or a related discipline.

Come Back Agency supports US software and technology companies by running their hiring process. We work with delivery and leadership teams to define roles, screen candidates, and manage interviews. Successful candidates are hired directly by the company and become part of its team. This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements.
 

Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.
 

What we’re looking for

• Fluent in spoken English (В2+, work with US customers);
• Experience from 0,5 year in a relevant position;
• Be flexible with the US schedule. Working hours from 16:00 pm to 00:00 Kyiv Time;
• Ability to prioritize tasks for the team and coordinate multiple projects in a changing environment.
   

What you’ll be doing

• Full cycle of project management: from participation in pre-sales preparation to the stage of successful implementation/support of the project;
• Prepares a daily, weekly, and monthly plan;
• Work with technical documentation;
• Provide reporting on the progress of tasks and the project;
• Tracking workload, deadlines, and progress on each project’s tasks.
   

What We Offer:

• Working hours aligned with US time zones, typically 16:00—00:00 Kyiv time.
• English lessons to support clear and confident communication.
• Paid vacation and sick days.
• Fully remote work.
• Opportunities for professional growth within the team.
• Structured, personalized onboarding to help you ramp up effectively.

Hiring stages: Recruiter screening → Skills assessment interview → Final culture fit interview.
 

Apply with your resume and a short note outlining your relevant experience. You can also submit it through our website at comeback.ua. Selected candidates will be contacted by Come Back Agency.

Trinity Partners is an international iGaming affiliate network working with top-tier advertisers and offering affiliates exclusive offers, strong brands, high approval rates, and stable payouts.

Our team actively participates in international conferences worldwide, follows a dynamic work approach, and provides strong opportunities for professional growth.
 

We are looking for an Affiliate Manager who can build long-term partnerships, work with performance metrics, and contribute to scaling traffic and results.
 

Responsibilities

• Attract new affiliate partners and develop long-term relationships with existing ones
• Monitor traffic quality, scale campaigns, and detect/prevent fraud
• Analyze key performance metrics (KPI, EPC, ROI, LTV) and prepare insights and recommendations
• Collaborate effectively with the team and coordinate with internal stakeholders
• Monitor market trends and optimize traffic flows
• Participate in international industry conferences
   

Requirements

• 1+ year of experience in the iGaming vertical
• Strong communication and negotiation skills
• Ability to work independently and within a team
• English level Intermediate or higher
• Proactive, result-oriented mindset with a growth-driven attitude
   

Nice to Have

• Existing affiliate partner base
• Experience working with Scaleo or other tracking platforms
• Experience in developing affiliate marketing strategies
   

We Offer

• Work with exclusive offers and reliable advertisers
• Stable payouts and high approval rates
• Opportunity to attend international conferences
• Dynamic work environment and professional growth opportunities
• Support from an experienced and collaborative team

We are expanding our talent pool of Python Machine Learning Engineers to support upcoming international projects across various industries, including FinTech, Healthcare, Retail, Manufacturing, and SaaS.

While there is no immediate project assignment, selected candidates will become part of our network and will be among the first to be considered when new opportunities matching their expertise become available.

Our machine learning projects typically involve designing, training, deploying, and optimizing predictive models, recommendation systems, computer vision, NLP, and other AI-driven solutions using modern Python technologies and MLOps practices.

We are expanding our talent pool of Python Data Engineers to support upcoming international projects across various industries, including FinTech, Healthcare, Retail, Logistics, and SaaS.

While there is no immediate project assignment, selected candidates will become part of our network and will be among the first to be considered when new opportunities matching their expertise become available.

Our data engineering projects typically involve designing scalable data pipelines, building ETL/ELT processes, integrating multiple data sources, and developing modern cloud-based data platforms using Python and industry-leading technologies.

About The Company

 

MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment.

 

Why does MWDN rock?

 

Here’s what you can expect when you join MWDN:

• Security: We carefully vet our clients to minimize risks and ensure reliability and timely payments - no fraud or unpleasant surprises.
• Career support: If a project isn’t the right fit, we support you and actively help find new opportunities that match your skills and career goals.
• Legal assistance: We provide guidance on legal matters, including opening and managing your independent contractor or sole proprietorship status, taxes, and related processes.
• Professional development: We offer English courses and professional growth opportunities, as well as team-building events.
  
   

Why choose us? MWDN is ranked among the top 5 IT employers in our region according to DOU. We take pride in our transparency and strong commitment to our team. Curious to learn more? See what our employees say about working with us on .

 

What is your new project?

Domain: Media and Entertainment

Client Location: Israel

Company size: 5–10 employees

Founded in: 2025

 

What makes this project exciting?

 

Our new client is something really innovative! This Israel-based startup is building a mobile-first app for micro dramas - a short, scripted series made for smartphones. Think of it as TikTok with short episodes lasting 1 to 1.5 minutes.

The project already has strong support from an investor who believes in its massive potential. As it is still in the early development stage, this job is your chance to be part of a unique entertainment product. Are you ready to work on something fresh and impactful? Check out the opportunity below!

We are looking for a passionate and resourceful User Support Engineer to own the entire support function

 

What makes you a great fit
 

● 4+ years of experience in a customer support role within B2C mobile apps, gaming, or digital media

● Fluent English — excellent written and verbal communication skills, with the ability to represent the brand warmly and professionally.

● Hands-on experience with support platforms such as Intercom, Zendesk, or similar, including workflow automation and reporting.

● Strong analytical skills — comfortable digging into support data to identify trends and present findings to internal stakeholders.

● Highly organized and process-oriented, with the capability to manage high ticket volumes without compromising quality.

● Genuine empathy for users and a passion for solving problems efficiently.

● Experience handling payment and subscription-related support (Paddle, Apple IAP, Google Play).

Nice-to-have skills
 

● Familiarity with Braze, Mixpanel, or similar CRM/analytics tools.

● Background in building support functions from scratch at a scaling startup.

 

Your day-to-day in this position

 

● Support Operations: Handle and resolve support tickets across all channels (in-app, email, web), ensuring fast, high-quality responses that reflect our brand voice.

● Automation & AI Tooling: Design and implement AI-powered support workflows and automation (e.g., Intercom chatbots, macros, auto-routing) to scale coverage without scaling headcount.

● Data-Driven Insights: Analyze support conversation data to identify recurring issues, product pain points, and monetization friction — feeding those insights back to Product, CRM, and Engineering.

● Documentation: Build and maintain a comprehensive knowledge base, FAQ, and internal documentation to enable self-service and reduce ticket volume.

● Quality & Performance: Define support quality standards, track KPIs (CSAT, first-response time, resolution rate), and continuously optimize processes to hit them.

● Cross-Functional Collaboration: Collaborate closely with the CRM & Monetization team to flag user complaints related to billing, subscriptions, coin purchases, and payment issues.

 

Why work with us?

 

• People-first management with minimal bureaucracy
• A friendly company culture, proven by employees who choose to return
• Flexible working hours
• 29 days of PTO (18 working days per year pluse all national holidays)
• 10 paid recovery days
• Full financial and legal support for independent contractors
• Free English classes, with native speakers or Ukrainian teachers
• Dedicated HR support
  
   

Our next steps
 

✅ Intro call with a Recruiter — ✅ Intro with the client — ✅ Tech interview — ✅ Home assignment — ✅ Final client interview— ✅ Offer

We are looking for a Middle Data Scientist with strong hands-on experience in time-series, deep learning, and Python development.

This role is a good fit for someone with 3+ years of professional experience in Data Science or Machine Learning, a strong understanding of neural networks, and practical experience developing predictive models for time-series and tabular data.

We expect solid knowledge of different neural network architectures, including recurrent and convolutional networks, as well as practical experience designing, training, tuning, validating, and deploying models.

Strong Python programming skills are essential for this position. You should also be confident working with statistics, data analysis, and production-oriented Data Science code.

What you will work on:

• Perform exploratory data analysis and prepare statistical summaries for hypothesis testing and data-driven decision-making.
• Build data preparation and feature engineering pipelines used by predictive models.
• Design and implement predictive modelling approaches.
• Continuously analyse and improve models already running in production.
• Take an active role in Python development related to end-to-end ML model delivery and support internal ML-related libraries.
• Tune loss functions, evaluation metrics, sample weights, hyperparameters, and other model components to improve model quality.

• Prepare detailed model evaluation reports, summarise findings, and communicate practical insights to stakeholders.

   

What we expect from you:

• At least 3 years of professional experience working as a Data Scientist or Machine Learning Engineer.
• Practical experience building custom neural networks with PyTorch.
• Strong knowledge of neural network architectures applicable to time-series forecasting and predictive modelling of tabular data.
• Experience working with layers such as LSTM, GRU, Conv1D, Dense, Dropout, and BatchNormalization, as well as activation functions including ReLU, Sigmoid, Tanh, and Softmax.
• Hands-on experience working with time-series datasets, including data loading, cleaning, preparation, and feature engineering with pandas and NumPy.
• Experience with the Darts library would be a significant advantage.
• Experience selecting and developing models available in Darts, as well as creating custom neural network architectures.

• Excellent Python knowledge and confidence working with libraries such as Scikit-learn, Pandas, PyTorch, and SHAP.

   

Python proficiency is particularly important for this role. Our projects require Data Scientists who can independently write, structure, and maintain Data Science functionality and supporting libraries.

You should also have:

• An understanding of statistics and data analysis.
• Experience selecting and tuning loss functions such as MSE, MAE, Cross-Entropy Loss, as well as custom losses suitable for forecasting problems.
• Experience with hyperparameter optimisation tools such as Optuna or Hyperopt.
• Ability to implement and optimise PyTorch training loops, including data loaders and training/validation stages.
• Knowledge of cross-validation approaches designed specifically for time-series data.
• Understanding of regularisation techniques used to reduce overfitting.
• Strong knowledge of model evaluation metrics, including MSE, RMSE, MAE, MAPE, and R-squared.
• Familiarity with backtesting approaches used to validate model performance.
• Experience with model deployment, including model serialisation and deployment for real-time services.
• Experience preparing visualisations with matplotlib, seaborn, or Plotly.
• Confident use of Git for version control and team collaboration.
• Strong self-management and organisational skills.

What We Offer:

• Competitive remuneration package.
• Bonuses
• Professional mentorship and guidance from experienced team members.
• Opportunities for professional growth and continuous learning.
• A dynamic and collaborative work environment.