Jobs

Job Description

We are seeking a software engineer with an excellent background in Python to join the core team responsible for the client's company data refinery flow. The team aims to make data accessible for deep learning and feature teams working on an Autonomous Driving solution.

Required competences and knowledge:

• Advanced Python: OOP, software design patterns, TDD, concurrency, algorithms, and libraries (pandas, numpy, plotly, pytest).
• Databases & SQL: Advanced PostgreSQL (query analysis, functions, caching, partitioning), alembic, and SQLAlchemy.
• Data Engineering: Building ETL pipelines and handling data container structures (.mf4, .hdf5, .pcap, etc.).
• Core DevOps & Tools: Linux, Shell scripting, Git, Docker, and AI-driven development tools (GitHub Copilot).
• System Design & Agile: Pipeline architecture (UML diagrams) and Agile/Scrum workflows (Jira, Confluence).
• Minimum B2 Level English skills

It would be a plus if the candidate has the following skills and experience:

• Orchestration & CI/CD: OpenShift, Apache Airflow (YAML configuration), Singularity containers, and Zuul/Gerrit/GoCD pipelines.
• API and Message Broker: REST APIs (FastAPI, Flask) and Kafka Message Broker.
• DevOps Utilities: Modern package management (uv), Artifactory policy management, and Grafana monitoring.
• Basic C++

Job Responsibilities

Contribute to various activities related to vision data refinery, some examples:

• Implementing and extending tools for automatic checking of raw data and annotation quality
• Automation of the data exchange with annotation companies
• Data curation (gathering data into collections according to the requirements of deep learning and feature teams)
• Development and monitoring function/feature KPIs (how changes in data influence function/feature performance and quality)
• Improving the speed and efficiency of data and training pipelines
• Implementing a dashboard for monitoring data collection, storage, and annotation
• Development of micro services/API towards external users

Department/Project Description

Our client is a Tier-1 Automotive company from Europe, developing full-stack software solutions that include algorithms for functions ranging from sensing to vehicle control, and targets a variety of applications from ADAS to advanced AD cars.

Adaptiq, on behalf of AppsFlyer, is looking for a Data Engineer

About AppsFlyer (Kyiv):

AppsFlyer provides a SaaS marketing analytics platform that measures and optimizes marketing activities across mobile, web, CTV, PC, and console applications. AppsFlyer is known for its massive backend production. At any given moment, thousands of servers are consuming 150+ billion mobile app events, crunching our users’ data, serving requests, and communicating on a massive scale.

To maintain the universe we call AppsFlyer, we practice modern production operations with a complete self-serve CI/CD platform, a highly integrated observability stack for our micro-services, backends, and infrastructure, a culture of ownership and eagerness for quality.

The Analytics group is responsible for showing our clients the stories their data is telling. Through complex aggregation, mission-tailored analytical databases, and carefully crafted APIs we are able to provide slice-and-dice analysis in our beautiful dashboards and through the use of external integrations.

About the Role:

As a Data Engineer in AppsFlyer’s Analytics group, you will be responsible for the full lifecycle of event data — from ingestion and processing to storage, modeling, and delivery through APIs.

You will build and maintain data pipelines with Apache Airflow and Spark, evaluate and optimize analytical databases, and integrate new components within a hybrid microservices architecture. You will work closely with product managers and cross-functional engineering teams, handle production issues, and take part in the company’s migration toward Google Cloud and BigQuery.

This role provides a high level of ownership over feature design, direct impact on a platform processing billions of events every day, and opportunities to contribute to open-source initiatives or share expertise at industry events.
 

Key Responsibilities:

• Develop and support data processing pipelines using Apache Airflow, Scala Spark, or PySpark.
• Select, design, and optimize analytical databases for high-volume, low-latency queries.
• Build backend services and APIs for data ingestion, aggregation, and customer-facing data consumption.
• Monitor system reliability and performance, investigate issues, and resolve production incidents.
• Partner with product managers and engineering teams to plan, design, and deliver complex features.
• Support migration initiatives to Google Cloud Platform, BigQuery, and modern data technologies.
• Participate in on-call rotations, PagerDuty alerts, and incident response processes.
• Document architecture, data flows, and technical decisions while maintaining high code quality and test coverage.
   

Required Competence and Skills:

• 3+ years of software development experience with a strong focus on data engineering.
• Hands-on experience with Apache Spark, using either Scala or PySpark.
• Practical experience with Apache Airflow.
• Background in building and maintaining distributed data systems with high throughput and low latency.
• Strong SQL knowledge and experience with data modeling for analytical use cases.
• Experience with JVM-based languages such as Scala, Java, or Clojure, or Python for backend development.
• Experience with cloud platforms, preferably GCP, and data warehouses such as BigQuery.
• Proven ownership of production systems, including on-call responsibilities and incident management.
• Strong English communication skills for working in a distributed environment.
• B.Sc. in Computer Science or equivalent practical experience.
   

Nice to Have:

• Production experience with large-scale databases and ETL tools.
• Hands-on experience with backend services written in Go or Clojure.
• Experience building production-grade BigQuery ETL processes and data pipelines.
• Contributions to open-source projects or experience speaking at meetups, conferences, or industry events.
• An AI-oriented mindset, including familiarity with tools such as GitHub Copilot and modern AI-assisted workflows.
  
  Benefits Package:
• Health insurance.
• Paid unlimited vacation days, national holidays, and additional recharge days.
• Meal reimbursement.
• Sport reimbursement.
• Breakfast in the office.
• Mental health program.
• Team buildings, happy hours, and other team activities.
• Paid sick leave.
• Snacks, fruits, and ice-cold beer in the office.
• Brand-new Mac laptop, two monitors, and a starter package for every new team member.

Requirements:

Minimum of 3 years of software development experience

Detailed knowledge of Linux operating system internals

Strong C/C++ language, Bash and debugging skills on embedded systems

Strong networking knowledge

Experience in gateway features development — VPN, firewall, IPv6, QoS, security, Routing, etc.

Bachelor or MS in Computer Science or Electrical Engineering

Will be a plus:

Knowledge of Buildroot / LFS

Knowledge of NOS technology such as ONL / SnapRoute / Cumulus Network / OpenSwitch

Experience with Quagga / FRR

Understanding of dataplane processing and performance enhancement

Knowledge of Broadcom, Arista, Barefoot switch framework

Experience of data center switch development

Experience with BSP and Linux device driver development

Experience with software management process

Good team player who can work both independently and also as a team with ability to take initiative

Ability to organize and prioritize work across several projects simultaneously

Able to think broad and discuss on software architectural level

Aggressive working attitude with great communication skill and curiosity

What do we offer:

International work environment and work with global development teams

Excellent work conditions in an A-Class office (Horizon Park Business Center)

Compensation package matching global standards

Flexible work hours (as required)

Paid parking, courses, training, conferences and business trips

Medical insurance

Free lunches

Responsibilities:

Deliver new upcoming Unifi switch product

Work with hardware team from BSP level up to networking software application level

Communicate with foreign customer closely to implement desired new features and bugfixing

https://www.youtube.com/c/UbiquitiInc

Responsibilities:

Managing product development projects;

Planning and coordinating all project activities;

Preparing and organizing the necessary project documentation;

Organizing cooperation with the parties involved in implementing the project;

Leading and motivating the project team and assigning different tasks within the project;

Keeping up with the technological developments and the latest tendencies.

Candidate needs to be in Kyiv (or consider relocation). Hybrid type of work.

Requirements:

3+ years of project management experience in embedded firmware projects;

Experience in IT software development cycle and testing;

Professional interest in IT products, new technologies;

Experience in JIRA will be considered as an advantage;

Strong personality with good negotiation skills;

Experience in problem solving and analyzing information;

Embedded firmware development experience with C / C++, Linux — major plus;

English — mandatory A level

What do we offer:

International work environment and work with global development teams;

Excellent work conditions in an A-Class office (Horizon Park Business Center);

Compensation package matching global standards;

Flexible work hours (as required);

Paid parking, courses, training, conferences and business trips;

Medical insurance;

Free lunches;

Work on leading IT products (software and hardware)

https://www.youtube.com/c/UbiquitiInc

Requirements:

3-5 years embedded firmware development experience with C / C++, Linux / Unix platform;

Experience with ARM/MIPS processors, embedded Linux;

Wireless protocols (802.11);

Strongly need networking skill, OSI model understanding;

Ability to adapt and quickly pick up new technologies;

Ability to work productively and autonomously, whether on a small

team or solo, including the ability to give and receive constructive criticism to team members;

Experience with all phases of the software development life-cycle;

Excellent analytical and problem-solving skills;

Experience with Git, including merging and rebasing;

Experience with bash shell scripting and/or Python;

BS degree in Computer Science, or related engineering degree;

Effective written and verbal communication skills (ENGLISH MANDATORY).

Candidate needs to be in Kyiv (or consider relocation). Hybrid type of work.

Will be a plus:

Experience working with Cross Compilers;

Experience with OpenWRT;

Basic understanding of electronic circuits.

What do we offer:

International work environment and work with global development teams;

Excellent work conditions in an A-Class office (Horizon Park Business Center);

Compensation package matching global standards;

Flexible work hours (as required);

Paid parking, courses, training, conferences and business trips;

Medical insurance;

Free lunches.

https://www.youtube.com/c/UbiquitiInc

At Geniusee, we help businesses thrive through technology partnerships and strengthen the engineering community by sharing knowledge and creating opportunities 🙌
We live by our values: Continuous Growth, Team Synergy, Taking Responsibility, Conscious Openness, and Result-Driven Mindset. Here, you’ll find a safe, inclusive, and supportive environment where your voice is heard, and feedback is welcome 🤗
Whether you want to work from home or from our offices in Kyiv / Lviv / Warsaw with stable electricity and Wi-Fi, we’ve got you covered.
Join us and make an impact 

Requirements:

• 3+ years of experience building applications using Python;
• Working experience with FastAPI (Flask/Django experience is transferable);
• Good knowledge of relational databases (SQLite, PostgreSQL) and SQLAlchemy: data modeling, schema design, writing efficient queries;
• Hands-on experience with AI tools in the development workflow (Claude Code, Cursor, GitHub Copilot, or similar code assistants);
• Experience using LLMs for generating realistic, internally consistent mock/synthetic datasets;
• Experience with RAG, Langchain, or Llama
• Experience with code quality tooling (Ruff, linters) and writing clean, maintainable, well-structured code;
• Ability to learn new technologies quickly.
• At least Upper-intermediate
• Experience with AWS services and infrastructure.

Responsibilities

• Backend development: Design, implement, and maintain server-side logic, RESTful APIs, and system integrations in Python.
• System integration: Build and maintain interfaces with third-party services, data sources, and internal components.
• Code maintenance: Refactor existing modules for improved performance and maintainability; address technical debt and resolve bugs.
• Database interaction: Develop and optimize queries, schema structures, and data manipulation processes across SQL/NoSQL systems.
• Testing: Write unit tests and contribute to automated testing frameworks to ensure code reliability and quality.
•Collaboration: Actively participate in team ceremonies, including sprint planning, daily stand-ups, and code reviews; coordinate with QA, DevOps, and frontend engineers.
• Documentation: Maintain comprehensive and up-to-date technical documentation, including API specifications, deployment guidelines, and design decisions.
• Planning: Provide technical input during effort estimation and assist in decomposing development tasks as part of agile delivery.

What will you get:
Career growth & projects
• Competitive salary based on your skills and experience, and a benefits package.
• Regular performance appraisals to support your career development.
• Professional development support: online courses, certifications, and study compensation (including English courses).
• A modern tech stack across challenging, long-term projects.

Health & well-being
• Paid vacation (18 working days) and sick leave (15 days).
• VIP medical insurance or sports coverage.

Work environment & flexibility
• Remote work from anywhere in the world or in one of our offices in Kyiv, Lviv, or Warsaw.
• Coworking compensation.
• Necessary equipment to perform your work.

Culture & community
• A collaborative and open culture where contributions are recognized.
• Regular corporate online & offline activities.
• Geniusee Charity Fund, making a difference beyond tech.

Who We Are 

PAR Retail, with its Open Commerce® product suite and patent pending Wallet Steering® System, empowers Convenience & Fuel Retailers to gain more share of wallet and customer lifetime value than possible with any other solution provider. PAR Retail’s unified Open Commerce product suite consists of: Activate for Intelligent 1:1 Loyalty, Transact for Contactless Commerce, and Experience for Cross-Channel Customer Experiences. PAR Retail’s solutions are supported by a set of subscription-based program management services and are contractually backed by its 1.5X Performance Guarantee. 

Requirements:  
- Operational knowledge of modern operating systems and networking; 

- Experience with common cloud services: AWS, GCP, and Azure; 

- Network Security and expertise in network pentesting; 

- Security testing of web applications, web services, mobile apps (hybrid and native), and IT infrastructure; 

- Understanding security certifications (PCI DSS / SOC2); 

- Ability to apply modern Application Security methodologies and frameworks; 

- Ability to use at least one modern programming language; 

- Practical experience with Burp Suite; 

- Experience with IDS, IPS, SIEM configuration; 

- Upper-intermediate English level. 

Responsibilities:  

- Requirements analysis, performing penetration testing and security audit; 

- BE, WEB, cloud and mobile clients testing; 

- Vulnerability reporting and remediation process; 

- Communication with development and project management teams; 

- Prepare security testing reports; 

- Prepare and support internal documentation for the project. 

PAR Retail Offers: 

- Long-term employment; 

- Competitive compensation with regular performance-based salary and career development reviews; 

- Paid vacations and sick leaves; 

- Health insurance program; 

- Flexible working hours; 

- Sponsored company educational program, corporate library; 

- Funny celebrations, team outings, and company events; 

- A unique and friendly environment where everyone can explore and learn new technologies. 

A-Players is looking for an experienced Lead UA Manager with a focus on Meta Ads to take ownership of paid acquisition for one of our new products.
 

This is a rare opportunity to build a UA function from the ground up - own the acquisition direction end-to-end, directly shape the strategy, processes, and results of the channel from day one.

The role is a great fit for those who thrive on complex challenges and new product launches. You'll bring your full expertise to bear and have real influence over how the acquisition function is built from scratch - with plenty of room to grow.
 

Responsibilities:

• Own the full performance acquisition funnel on Meta - from strategy and launch to optimization and scaling
• Launch, scale, and optimize campaigns focused on web funnels, quiz flows, and paywall conversion with a focus on hitting target CPA and spend goals
• Develop and test new acquisition hypotheses, creatives, and scaling mechanics - find and validate working branches/angles and bring new directions to target unit economics
• Work closely with Analytics and Growth teams using a data-driven approach: post-click metrics, cohort analysis, LTV modeling, and unit economics improvement
• Collaborate with the Creative Factory on test plans, performance insights, and scaling best-performing hypotheses
• Analyze performance metrics, identify growth opportunities, and make fast data-driven decisions.

What we look for:

• 3+ years of hands-on experience with Meta Ads and managing monthly budgets of $500K+
• Proven experience with B2C subscription products and web-to-paywall funnels
• Proven experience optimizing CPA / ROAS / conversion funnels across full funnel stages
• Ability to independently launch, analyze, and scale performance campaigns
• Ability to operate both strategically and hands-on
• Proven ownership mindset: takes responsibility for results, not just execution
• Strong analytical skills: attribution, funnel analysis, cohort thinking, unit economics
• Experience building and managing testing frameworks and experimentation processes
• High ownership mindset and ability to make fast data-driven decisions. 

Nice to have:

• Previous experience setting up UA functions from scratch
• Background in other paid channels (TikTok, etc.)
• Interest in AI-powered creative production and automation tools. 

We offer:

• Work with large budgets and technically complex tasks in an international company
• Fast decision-making and diverse projects with measurable impact
• Flexibility in approaches - no processes for the sake of processes
• Competitive compensation package + regular performance reviews
• Flexible schedule, option to work remotely or from the office
• Respect for work-life balance (vacation and sick days included)
• Corporate events, gifts, and additional medical insurance
• Compensation for professional training and conferences
• For office employees - company-paid lunches and endless snacks. 

We are currently seeking a qualified and experienced Technical support (night) engineer to join our team.

Preferred skills:

 - Working experience in gambling support/tech support teams;
 - Working experience with RMG projects.

Must have skills:

 - Strong user of Jira Software/Jira service management/Any desk/ Google workspace, etc.
 - English level: Upper-Intermediate;
 - Strong verbal and corporate communication skills;
 - Understanding of the software lifecycle;
 - Ability to learn quickly and work as a part of a team;
 - A challenging and inquiring mind;
 - Attention to detail and tenacity;
 - Quick logical thinking;
 - Sociability, communicability;

Responsibilities:

 - Monitoring of high-priority services,
 - Testing: performance and the new functionality used;
 - Diagnostics and solution of user problems when working with the software used;
 - Prioritizing user requests;
 - Providing individual solutions for customers based on their business needs.

 - Working hours from 21:00 to 9:00 (2/2)

We are currently seeking a qualified and experienced Technical support engineer to join our team.

Preferred skills:

— Working experience in gambling support/tech support teams;
— Working experience with RMG projects.

Must have skills:

— Strong user of Jira Software/Jira service management/Any desk/ Google workspace, etc.
— Upper-Intermediate level of spoken and written English.
— Strong verbal and corporate communication skills;
— Understanding of the software lifecycle;
— Ability to learn quickly and work as a part of a team;
— A challenging and inquiring mind;
— Attention to detail and tenacity;
— Quick logical thinking;
— Sociability, communicability;

Responsibilities:

— Monitoring of high-priority services,
— Testing: performance and the new functionality used;
— Diagnostics and solution of user problems when working with the software used;
— Prioritizing user requests;
— Providing individual solutions for customers based on their business needs.

— Working hours from 9:00 to 21:00 (2/2)

About the Role  

The Product Manager for the Farm Management System (FMS) is responsible for translating strategic objectives and diverse stakeholder needs into clear, structured, and implementable software requirements.  

This role operates at the intersection of:  

• Global product strategy  
• Regional commercial needs  
• Large grower requirements  
• Engineering constraints  
• Integration partners (machinery, satellite, APIs)  

Approximately 70% of the role is focused on writing and maintaining high-quality software requirements, ensuring clarity, feasibility, and alignment with long-term product direction.  

This is a highly structured, detail-oriented product role with strong emphasis on prioritisation, scope control, and execution excellence.  

Key Responsibilities 

Feature Intake & Stakeholder Management  

• Collect feature requests from:  
• Commercial units (CUs)  
• Large growers  
• CP / Seeds business units  
• Customer success  
• Engineering  
• Integration partners  
• Clarify problem statements and expected business outcomes  
• Challenge unclear or misaligned requests  
• Identify overlaps, duplication, and local customizations  

Deliverable:  

• Structured feature intake documentation  

• Clear problem framing before development discussion 

   

Prioritisation & Strategic Alignment  

• Evaluate requests based on:  
• Strategic fit with FMS roadmap  
• Revenue impact  
• Adoption impact  
• Technical complexity  
• Global scalability  
• Regulatory / country constraints  
• Maintain and continuously refine prioritisation frameworks (e.g., RICE, Value vs Effort, Strategic Fit scoring)  
• Protect roadmap integrity against reactive feature creep  

Deliverable:  

• Transparent prioritisation model  
• Quarterly roadmap aligned with global product strategy  
• Executive-ready justification of decisions  

Software Requirements Definition (Primary Focus ~70%)  

The core of the role.  

• Translate approved features into:  
• Clear functional requirements  
• Non-functional requirements  
• Acceptance criteria  
• User flows  
• Edge cases  
• Define system behavior across:  
• Web  
• Mobile  
• API  
• Integrations (e.g., machinery, satellite, telematics)  
• Collaborate closely with UX to ensure usability consistency  
• Ensure alignment with architecture and technical constraints  
• Maintain structured documentation (e.g., Jira, Confluence, PRDs)  

Deliverable:  

• High-quality Product Requirement Documents (PRDs)  
• Detailed user stories with acceptance criteria  
• Reduced ambiguity for engineering teams  
• Minimal rework due to unclear specs  

Success metric:  

• Low development rework rate  
• Clear estimation cycles  
• Predictable delivery  

Cross-Functional Delivery Support  

• Work closely with:  
• Engineering  
• UX  
• Data science  
• DevOps  
• Integration teams  
• Participate in backlog grooming, sprint planning, and refinement  
• Clarify requirements during implementation  
• Validate feature behavior before release  

Deliverable:  

• High implementation clarity  
• Reduced requirement interpretation gaps  

Product Governance & Scalability  

• Ensure global consistency across countries  
• Avoid fragmentation of FMS core  
• Promote reusable, scalable feature design  
• Drive modular architecture thinking  

Required Skills and Qualifications 

Product Skills  

• Strong experience writing detailed software requirements  
• Experience in complex SaaS platforms  
• Ability to structure ambiguous inputs into precise specifications  
• Strong backlog management discipline  

• Advanced prioritisation and scope control capability  

   

Technical Understanding  

• Understanding of:  
• APIs  
• Data flows  
• Integrations  
• Enterprise SaaS architectures  

• Ability to discuss technical trade-offs with engineering  

   

Stakeholder Management  

• Comfortable handling conflicting requests  
• Able to say “no” with structured justification  

• Strong executive communication  

   

Domain Knowledge (Preferred)  

• Farm Management Systems / ERP  
• Agronomy workflows  
• Machinery integrations  
• Telematics  
• Enterprise growers  

The Company Offers  

Opportunity to be a part of a best-in-class product that is used by thousands of companies around the world.   

• Annual performance bonus scheme.   
• Career growth opportunities.   
• An environment where you need to seek and implement unique solutions.   
• Training and development programs.   
• Young and dynamic team with a friendly and open culture.   
• Health and life insurance for employees and your family members.   
• 32 working days of paid annual leave and sick leave. 

We are a licensed online gambling and sports betting company officially operating in the Côte d’Ivoire market. We are looking for an Accountant who will take ownership of the accounting function for our local entities and collaborate closely with our international finance team.

What you’ll do:

• Manage full-cycle accounting for legal entities in Côte d’Ivoire.
• Maintain bookkeeping, reconciliations, payroll, and expense control.
• Prepare monthly, quarterly, and annual financial statements in accordance with OHADA standards and support reporting under IFRS.
• Monitor transactions with banks, PSPs (Payment Service Providers), and local payment agents.
• Calculate and submit taxes, including VAT, corporate income tax, and other local tax obligations.
• Prepare financial reports for management and the international HQ.
• Support internal and external audits by providing accurate and timely documentation.
• Participate in improving accounting processes, automation, and implementation of new financial tools.
• Ensure compliance with local regulations and cooperate with external consultants, tax advisors, and legal partners.

What we’re looking for:

• Bachelor’s degree in Accounting, Finance, or Economics.
• 3+ years of accounting experience.
• Experience in iGaming, FinTech, Telecom, or international companies will be a strong advantage.
• Strong knowledge of OHADA accounting standards.
• Understanding of IFRS principles.
• Experience with accounting software such as 1C, Sage, QuickBooks, or similar ERP systems.
• High level of accuracy, responsibility, and attention to detail.
• Ability to prioritize tasks and work within deadlines.
• Good communication skills and experience working with international teams.
• English — Intermediate (B1+) or higher. Ability to prepare reports and communicate in English is required.

We offer:

• Opportunity to join an international company operating in a fast-growing industry.
• Work in a multicultural environment with an international finance team.
• Professional development and participation in building financial processes.
• Competitive salary (discussed individually).
• Remote work with a full-time schedule.
• Long-term cooperation and opportunities for career growth.

United Tech is a global IT product company shaping the future of real-time social connection. With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking. Our platforms enable connection at scale — fast, interactive, and deeply engaging. The market is projected to exceed $206B by 2030, and we are already leading the evolution. Founded in Ukraine, scaling worldwide.

About your role:

We're looking for a Middle Node.js Backend Developer to join the backend team. You'll be building the infrastructure that powers revenue and growth — from web billing integrations with payment providers to server-side marketing pipelines that fuel acquisition. If you thrive in high-load, product-driven environments where your code ships to real users and directly impacts the bottom line, this role was made for you.

In this role, you will

• Develop and ship web billing integrations: payment providers, subscriptions, recurring billing, webhook handling (idempotency, retries, reconciliation)
• Develop and ship marketing integrations: attribution platforms, server-side conversion/events APIs, analytics and CRM/ESP pipelines
• Create technical designs for product epics and decompose them into actionable tasks
• Participate in team processes: grooming, sprint planning, estimations
• Run investigations and tech research (3rd-party API limits, provider selection, edge cases)
• Address tech debt and improve reliability and observability of integrations
• Take part in the full SDLC: design, dev, code review, testing, release, support

It's all about you

• 3+ years of commercial backend development experience
• 2.5+ years with Node.js (TypeScript)
• Solid experience with relational and non-relational databases (PostgreSQL, MongoDB, Redis)
• Experience with SOA/microservices: inter-service communication and dev process
• Strong fundamentals in design principles and patterns (SOLID, event-driven)
• Experience integrating third-party REST APIs: auth, rate limits, retries, webhooks, idempotency
• Experience with async processing / message queues (BullMQ, RabbitMQ or Kafka)
• Experience with a cloud provider (AWS / GCP)
• Understanding of scaling and high-load systems
• Daily use of AI coding assistants (Claude Code, Cursor, GitHub Copilot) for development, refactoring, tests, and documentation
• Ability to write effective prompts and review/validate AI-generated code — quality and security ownership stays with you
• Upper-Intermediate English or higher

Would be a plus

• Hands-on web billing / payment integrations (Stripe, Paddle, Solidgate, Recurly, Braintree, PayPal) and subscription/recurring-billing logic
• Payments domain knowledge: 3DS, PCI-DSS basics, chargebacks/fraud, dunning, reconciliation
• Marketing/growth integrations: AppsFlyer/Adjust, Meta CAPI, Google/TikTok events APIs, S2S postbacks
• Experience with analytics/event pipelines and CRM/ESP tools
• DDD / CQRS, WebSockets (ws, socket.io)
• Understanding of how to integrate LLM APIs into product features

What we offer

Care and support:

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Maternity Recovery Support Allowance
• Financial and legal support
• 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
• Technical interview
• Final Interview
• Reference check
• Offer

Data Science UA is a service company with deep expertise in AI and Data Science. Our story started in 2016 with the first Data Science UA Conference in Kyiv, and since then, we’ve built one of the largest AI communities in Europe.

About the role and client:
We are looking for Dataset Operations Manager to the clients team - a leading Ukrainian manufacturer of autonomy technologies for drones. The role mission is to ensure the full data lifecycle: from strategic project planning to quality assurance and validation of final deliverables.

Responsibilities:
- Planning & Prioritization: Plan and prioritize dataset projects in alignment with the ML team's roadmap and product goals.
- Synthetic Data Generation Ownership: Own the synthetic data generation direction — coordinate pipeline development, prioritize scenarios, and control the quality of generated data.
- Manual Data Annotation Team Ownership: Lead the manual data annotation team — handle hiring, onboarding, performance reviews, tool training, and quality control.
- Team Coordination: Coordinate dataset engineers and the annotation team — assign tasks, track progress, and balance workloads.
- Requirements Alignment: Align dataset requirements with ML engineers — translate ML model training needs into dataset specifications and definition of done (criteria of readiness).
- Capacity & Resource Management: Forecast capacities, reallocate workloads, and resolve blockers.
- Project-Level Quality Tracking: Monitor project-level metrics of dataset deliverables and identify systemic issues.
- Vendor Management: Manage external annotation partners — handle vendor evaluation, contracting, and quality control.
- Processes & Standards Maintenance: Maintain workflows, documentation, and SLAs for working with datasets.
- Reporting: Report on dataset projects to leadership and the ML team — sharing status, progress, risks, and blockers.
- Continuous Improvement: Continuously optimize processes to improve annotation throughput, cycle times, and reduce error rates.
- Platform Support: Support the dataset catalog platform from a process and organizational perspective.

Requirements:
- 2+ years of experience in a similar role.
- People Management: Proven experience in direct management — hiring, developing, and building workflows for manual annotators.
- Data & ML Literacy: Solid understanding of the ML lifecycle and experience working with data (knowledge of data types, structures, and processing methods).
- Synthetic Data: Understanding of synthetic data generation principles and automated data collection approaches.
- Analytical Skills: Ability to forecast capacity, identify process bottlenecks, and propose optimization solutions.

Nice to have:
- Knowledge of the MilTech / DefTech market.

Are you an innovative, customer-focused PRO? At Mojam, we’re looking for a CRM Marketing Manager who’s ready to shake things up and revolutionize how we connect with our players! 🚀 If you’re passionate about creating personalized customer journeys and driving retention, we want you on our team. Help us elevate our CRM strategies and build stronger relationships with our community.

⚡️ What to do :
 

• Manage and optimize the CRM platform to enhance customer engagement, segmentation and personalization
• Develop and implement a comprehensive CRM strategy, including email, web push, and on-site communications, to increase customer retention and engagement
• Design and execute customer segmentation strategies to ensure relevant and targeted messaging to different customer segments
• Utilize A/B testing to continuously improve CRM activities effectiveness
• Monitor, analyze, and report on the performance of CRM initiatives, making data-driven recommendations for optimization and improvement
• Collaborate with the Marketing, Product, and Analytics teams to align CRM activities with overall company goals and strategies
• Control production of all necessary materials
• Stay up to date with the latest industry trends, best practices, and emerging technologies related to customer retention and CRM 

🦸 Your superpowers

• 2+ years of experience in CRM/ Retention/Email Marketing
• Proficient in using CRM platforms and marketing automation tools
• Detailed expertise in email, web push, on-site communication retention strategies
• Analytical and data-driven, with the ability to interpret customer data and make informed decisions on CRM initiatives
• Strong copywriting skills, possessing the ability to produce engaging and persuasive content tailored to different customer segments
• Exceptional communication and interpersonal skills, with the ability to collaborate effectively across departments
• Results-oriented mindset with a focus on driving measurable improvements in customer retention metrics and CRM performance
• Continuously seeking opportunities to innovate and improve retention strategies and CRM processes
• Upper-intermediate (B2)
• HTML and CSS proficiency

Being well-acquainted with the gaming industry, having a passion for video games (CS ideally) would be a substantial asset.

🍪Team Perks

• Totally remote work from wherever you grind. Into coworking? We’ve got your back
• Flex schedule with no time tracking, because our goal is results
• Work gear on us, get the tech you need
• Half-year bonus Twice a year every mojamer receives a sweet bonus as a nod to our shared achievements
• Health buffs: compensation for sports and mental health, paid sick leaves, and 18 days for vacation
• Skill boosts: we cover training, certs, UA and ENG classes, and pro tips from our top mojamers
• Day-offs and gifts on important dates that you choose yourself (birthday, work anniversary, child’s birth, wedding)
• A squad of PRO&BROs to craft epic gaming worlds with! 

Ready to elevate CRM to new heights 😉? We’re excited to see your CV and hopefully welcome you aboard! Let’s add more jam together 🚀