Jobs

We are looking for a 2D Artist to create illustrations, UI elements, and concept art for our projects. You will work closely with the design and development team. Remote work, flexible schedule.

Requirements:

• 1+ year of experience as a 2D artist
• Strong skills in Photoshop / Illustrator / Procreate or similar tools
• Ability to create concept art, illustrations, UI elements
• Basic understanding of composition and color theory

Responsibilities:

• Create graphic assets for projects
• Work on characters, objects, UI elements
• Collaborate with designers and developers

We offer:

• Remote work, flexible schedule
• Friendly team and growth opportunities

Join an innovative EdTech startup that’s revolutionizing math education with an adaptive platform for dynamic exercise generation. We’re looking for a Python engineer with deep expertise in SymPy who enjoys solving mathematical challenges through clean, maintainable code.

Who We’re Looking For

• 3–5+ years of experience with Python and strong software engineering practices.
• Expertise with SymPy — symbolic computation, equation solving, simplification, expression manipulation, step-by-step derivations.
• Solid understanding of mathematical concepts (undergraduate level or higher).
• Structured, collaborative mindset and ability to communicate with non-developers.
• English at Upper-Intermediate or higher.

What You’ll Do

- Refactor and improve the existing Python/SymPy library for dynamic math exercise generation.

- Implement complex mathematical logic: symbolic simplification, solving, factoring, transformations.

- Collaborate with educators, researchers, and AI engineers to ensure mathematical accuracy and pedagogical value.

About the Company

A French EdTech startup working at the intersection of mathematics, Python, and AI.
The platform generates personalized math exercises with step-by-step reasoning, automatically checks handwritten solutions, and empowers educators with high-quality content tools.

The team brings together scientists, professors, and engineers, collaborating with universities in France to improve the quality of mathematics education worldwide.

ELEKS Artificial Intelligence Office is looking for a Senior Data Scientist in Ukraine.

ABOUT PROJECT

Our Client is Europe’s leading health, sport, and leisure group. The organization operates 116 clubs, including 100 in the UK and additional locations across the Republic of Ireland, mainland Europe, and Asia. With billions in annual turnover, the group offers premium sports facilities, tennis courts, gyms, and wellness programs for its members.

REQUIREMENTS

• 5+ years of practical experience as a Data Science Engineer or similar role.
• 2+ years of proven experience in building and deploying chatbots or conversational agents in production.
• Strong hands-on knowledge of Large Language Models (LLMs) and frameworks such as LangChain, LangGraph, LangFlow, RAG pipelines.
• Proficiency in Python and chatbot development toolchains.
• Deep understanding of conversational AI principles, including dialog management, fine-tuning, and model evaluation.
• Strong communication skills with the ability to explain technical concepts to non-technical stakeholders.

• A proactive mindset to propose innovative ideas and guide the technical roadmap for future chatbot releases.

   

RESPONSIBILITIES

• Lead the development and improvement of an AI-powered chatbot integrated into a membership ecosystem for iOS and Android.
• Ensure scalability, security, and a high-quality user experience in production-ready conversational solutions.
• Design and optimize conversational flows, personalization features, and integration with client documentation systems.
• Collaborate with client stakeholders (Product Owners, Digital Director, consultants) to align chatbot strategy with business goals.
• Mentor and guide junior data scientists within the team.
• Work closely with cross-functional colleagues (Backend, Mobile, QA, BA, DevOps) in an Agile/Kanban delivery model.

🧭 What makes you a great match:

• 3+ years in SEO, SERM, or brand protection within the iGaming industry;
• Solid understanding of search engine algorithms, black hat tactics, and suppression techniques;
• Strong existing network of SEO/SERM vendors (ideally tested within iGaming verticals);
• Proficiency in SEO tools (Ahrefs, SEMrush, Serpstat, Google Search Console, etc.);
• Excellent coordination, communication, and vendor management skills;
• Analytical thinking, proactive problem-solving, and resilience under pressure.
   

📋 Your daily adventures:

• Develop and execute our SERM (Search Engine Reputation Management) strategy to ensure positive brand visibility across search engines;
• Detect and counteract brand impersonation, scam sites, clone domains, or misleading SERP results;
• Coordinate and manage external SEO/SERM partners working across all company products;
• Monitor branded queries to suppress negative or unauthorized content using technical SEO, link building, and other tactics;
• Collaborate with marketing, legal, and product teams on brand safety initiatives;
• Conduct regular SERP audits, competitor analysis, and reporting on brand-related traffic risks;
• Actively manage and grow our vendor database — selecting only those with proven iGaming experience.
   

Benefits

💸 Flexible payment options: choose the method that works best for you.

🧾 Tax assistance included: we handle part of your taxes and provide guidance on the local setup.

🎁 Financial perks: Bonuses for holidays, B-day, work milestones and more - just to show we care.

📈 Learn & grow: We cover courses and certifications — and offer real opportunities to grow your career with us.

🥐 Benefit Сafeteria: Choose what suits you — sports, language courses, therapy sessions, and more.

🎉 Stay connected: From team-building events to industry conferences — we bring people together online, offline, and on stage.

💻 Modern Equipment: We provide new laptops along with essential peripherals like monitors and headphones for a comfortable workflow.

🕘 Your schedule, your rules: Start your day at 9, 10, or even 11 — we care about results, not clock-ins.

We are looking for an experienced CRO Consultant with strong expertise in A/B testing. In this role, you will develop data-driven optimization strategies, create concepts in Figma, and work closely with our UX/UI design team. You will be responsible for analyzing user behavior and helping our clients increase their conversion rate and average order value.
 

Your Responsibilities

• Develop and execute A/B tests to optimize conversions
• Create test concepts and variations in Figma
• Collaborate closely with UX/UI designers and developers
• Analyze user behavior, conversion funnels, and test results
• Derive actionable recommendations to improve conversion rate and AOV
   

Your Profile

• Proven experience in Conversion Rate Optimization and A/B testing
• Strong analytical skills and hands-on experience with common testing and analytics tools
• Proficiency in Figma and solid understanding of UX/UI principles
• Excellent communication skills and ability to present complex insights clearly
• Independent, structured, and proactive working style
   

What We Offer

• Exciting projects with leading D2C and B2B brands
• A cross-functional team of developers, designers, and strategists
• Flexible working models (remote or hybrid)
• Opportunities for personal growth and professional development

Key requirements:
 

• 3+ years of experience as a data engineer
• Key libs Kafka, ClickHouse, MLFlow, RabbitMQ, Celery as well as cloud solutions such as SageMaker

• Basic requirement: ability to build data pipelines
  
  About the Product

  The product is an AI-powered platform built for the iGaming sector, focused on improving user retention and engagement. It provides casino platforms with tools such as personalized interactions, workflow automations, and AI assistants. The platform acts as a retention layer across the player lifecycle, helping predict, prevent, and personalize key moments - from onboarding to churn, through smart automation and AI.

We are seeking an experienced Database Administrator (DBA) with strong expertise in SQL Server and proven skills in index management and performance tuning. The ideal candidate will play a critical role in ensuring high database performance, stability, and scalability by designing and maintaining optimal indexing strategies, troubleshooting performance bottlenecks, and supporting development teams with query optimization.

Does it related to you?

• 4+ years of experience as a Database Administrator with a strong focus on Microsoft SQL Server.
• Proven experience in index design, maintenance, and optimization.
• Strong understanding of query performance tuning and execution plans.
• Proficiency with DMVs, database monitoring, and performance tools.
• Solid knowledge of database security, backup/recovery, and high availability concepts.
• English is Upper Intermediate.

Nice to Have:
- Hands-on experience with PostgreSQL.
- Familiarity with MySQL.

A new team member will be in charge of:

• Index Management & Optimization

- Design and implement comprehensive indexing strategies for high-volume transactional and analytical databases.
- Perform regular index analysis to identify missing, unused, duplicate, and fragmented indexes.
- Monitor index usage patterns and effectiveness using database performance tools and DMVs.
- Optimize existing indexes and create new indexes based on query patterns and performance requirements.
- Manage index maintenance schedules including rebuilds, reorganizations, and statistics updates.

• Performance Tuning

- Analyze slow-performing queries and develop indexing solutions to improve execution times.
- Collaborate with development teams to review query designs and recommend index optimizations.
- Conduct regular performance assessments and capacity planning for index storage requirements.
- Implement and maintain automated index maintenance routines.

• Database Administration

- Monitor database health, performance metrics, and resource utilization.
- Manage database security, backup and recovery procedures.
- Perform database upgrades, patches, and configuration changes.
- Troubleshoot database issues and provide technical support to development teams.
- Document indexing standards, procedures, and best practices.

Already looks interesting? Awesome! Check out the benefits prepared for you:

• Regular performance reviews, including remuneration.
• Up to 25 paid days off per year for well-being.
• Flexible cooperation hours with work-from-home.
• Fully paid English classes with an in-house teacher.
• Perks on special occasions such as birthdays, marriage, childbirth.
• Referral program implying attractive bonuses.
• External & internal training and IT certifications.

Ready to try your hand? Send your CV without a doubt!

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: 
Our platform provides organizations with real-time visibility and control over their digital environments, enabling IT teams to detect, diagnose, and resolve issues before they impact employees. It integrates multiple products into a single, unified experience—leveraging AI-driven automation, intelligent data processing, and scalable architecture to enhance productivity across global workplaces. The DEX Platform team builds the core infrastructure that powers these capabilities, delivering high-performance backend services and advanced data pipelines at scale.

About the Role: 
We are looking for an experienced Senior Data Engineer to join our advanced employee experience monitoring and optimization platform and take a leading role in building the next generation of our data infrastructure. This role involves designing and implementing large-scale, real-time data pipelines and backend services that support both operational workflows and AI-driven insights.

You will work end-to-end—covering architecture, development, deployment, and ongoing production monitoring—while collaborating closely with backend, AI, and data specialists to ensure high performance, scalability, and reliability.

Key Responsibilities: 

• Design, develop, and maintain robust backend services and data processing pipelines for large-scale, real-time environments.
• Build and optimize streaming solutions using technologies like Kafka, Flink, and other stream-processing frameworks.
• Own the full lifecycle of services: architecture, implementation, deployment, monitoring, and scaling.
• Collaborate with cross-functional teams, including backend engineers, AI developers, and data analysts, to deliver production-ready solutions.
• Ensure compliance, security, and observability for all data-related systems.
• Work with cloud infrastructure to design and deploy scalable solutions.

• Troubleshoot and resolve production issues with a focus on high availability and system resilience.

   

Required Competence and Skills:

• 5+ years of backend/data engineering experience.
• Strong experience with Java (Vert.x or Spring) 
• Solid understanding of microservices architecture and cloud platforms (Azure, AWS, or GCP).
• Hands-on experience with Kafka and streaming frameworks such as Kafka Streams, Flink, Spark, or Beam.
• Strong foundation in object-oriented design, design patterns, and clean code principles.
• Experience in production-aware environments, including monitoring, troubleshooting, and optimization.
• Comfortable designing, deploying, and maintaining backend services and data flows.
• Passion for continuous learning, experimenting with new technologies, and building reliable systems at scale.
• Strong product mind-set, open-mindedness and flexibility to work with different technologies as per company needs
• Excellent communication skills in English (Hebrew a plus).
• Team player with a positive attitude and a passion for delivering high-quality products.

Nice to have:

• Experience with Node.js (NestJS/Express).
• Familiarity with AI-first development tools (e.g., GitHub Copilot, Cursor).
• Knowledge of Postgres, Redis, or ClickHouse.

Cowchain blockchain development company is actively looking for Backend Developer to join our development team.

About us:
Cowchain have successfully completed 150+ projects mainly on EVM-based blockchains such as Ethereum, Polygon, Arbitrum, Base including Coinmarketcap leaders with 180M+ total capitalization and 20M+ daily trading volume in Move2Earn, Play2Earn and DeFi industries.
 
Required skills:
— Experience in fintech projects is a must
— At least 2-years commercial experience in the back-end development;
— Node.js - Nest;
— Experience and understanding  EVM-based blockchains;
— DDD / Clean / Onion architecture

— MSSQL, MySQL, PostgreSQL;
— Optimizing database queries, transactions, indexes, sharding/partitioning, migrations
— Working with payments, invoices, transactions, balances, idempotency, security (KYC/AML, PCI DSS), integration with payment providers and banking APIs
— Experience with asynchronous systems and queues (BullMQ, RabbitMQ, Kafka), ability to design fault-tolerant services (circuit breaker, retry, outbox pattern)
— Practical experience with DevOps tools

What will you do:
— New features development;
— Bugfixes and support existing solutions;
— Participate in project architecture discussions;
— Build solutions from scratch as well as join on-going development process;
— Have fun)
 
Will be a huge plus:
— Web3/Ethers libraries;
— Experience with DEX/CEX integration (Uniswap, PancakeSwap, Binance API);
— Solidity / Hardhat / Foundry.

What we offer:
— Flexible working schedule, remote work;
— Competitive salary with bonuses for activities;
— Ability to dive into fast-growing blockchain/crypto industry;
— Work with modern tech stack (blockchain);
— Paid vacations, sick leaves;
— 100% friendly/family team.

Default Value is an outsourcing company with 16 years of experience, continually growing and currently expanding the Symfony team of developers. We are looking for a reliable, proactive and motivated Symfony Developer who is not afraid of challenges and is passionate about developing and implementing new ideas. 

Required skill:

• 3 + years of PHP development experience
• Passion for coding with PHP
• Strong background using Object-Oriented PHP
• 1.5 + years of Symfony framework development experience
• Doctrine ORM and migrations
• Writing CLI commands with Symfony Console
• Symfony Events and Event Listeners
• Symfony Forms
• Symfony Validation
• Symfony Serializer
• Understanding and using software design patterns
• Working with Git according to the Git Flow (or alternatives)
• Database skills (MySQL, Oracle, PostgreSQL, etc.)
• Wordpress
• English: Intermediate

Will be a plus:

• Experience with backend refactoring and profiling
• Understanding of the application life cycle and development methodologies
• RabbitMQ
• Docker, Docker Compose
• Redis
• Unit and Integration Tests
• JavaScript (jQuery, Angular, React, Vue.js)

We offer:

• Space for professional and personal growth
• Friendly and highly professional teams
• Remote (or hybrid) work model 
• Paid vacation and sick leaves 
• Competitive compensation 
• Accounting and support for private entrepreneurs in Ukraine
• Compensation for our English courses
• Opportunity to take relevant professional courses, certifications, etc

If you think your skills and enthusiasm match what we’re looking for, we’d be happy to hear from you. Send us your CV, and let’s see what we can achieve together!

Job Responsibilities:
 

• Develop and implement an SEO strategy;
• Optimize website content and structure to improve search engine rankings;
• Conduct technical SEO audits and implement recommendations;
• Identify opportunities to increase organic traffic;
• Monitor and report on the results of SEO campaigns;
• Optimize for LLM-powered answer engines.
   

Key Skills:

• 3+ years of experience as an SEO Specialist;
• Knowledge of tools such as GA4, Google Search Console, Tag Manager, Screaming Frog, Ahrefs, SEMrush, or similar;
• Understanding of search engine algorithms;
• Basic understanding of HTML and the impact of JavaScript on indexing;
• Experience working with Wordpress;
• Analytical thinking and attention to detail;
• Knowledge of the latest SEO trends;
• At least B2 English knowledge.

   We’re looking for HR Business Partner to shape the future of culture and growth at Simply Contact.

   It’s not just about HR. It’s about developing a culture and outstanding employee experience.

Key Responsibilities:

• Act as a strategic advisor to business leaders on people and culture-related decisions, ensuring alignment with organizational goals;
• Lead organizational culture evolution by shaping values-based programs, rituals, and internal campaigns that support engagement, inclusion, and performance;
• Build and scale a data-driven Employee Experience framework, from onboarding through engagement, retention, and internal mobility;
• Act as a key driver of corporate culture: facilitate rituals, team events, and cross-cultural synergy;
• Develop initiatives and communications that promote company values at all levels Support internal communication channels and employer branding content;
• Monitor employee satisfaction and engagement through surveys and follow-up action plans;
• Initiate programs to increase retention, internal mobility, and motivation;

• Collaborate with recruiters to ensure cultural fit and smooth integration for new hires Stay updated on HR trends, tools, and global best practices;

   

What We’re Looking For:

• 2+ years of experience in HRBP / HR Generalist roles within BPO, IT, or service industries;
• Proven experience in driving culture initiatives, internal communication, or team building;
• Strong communication, facilitation, and conflict resolution skills;
• Strategic and structured thinking with a hands-on mindset;
• Ability to multitask and support multiple teams simultaneously;

• Fluency in English and Ukrainian (B2+);

   

What we offer:

• Сompetitor’s salary and bonus system;
• Freedom to create and own high-impact projects;
• Clear KPIs, budget, and support from HR and leadership;
• A company that values people, creativity, and culture as much as results.

Default Value is an outsourcing company with 16 years of experience, continually growing and currently expanding our Magento Development team. We are looking for a reliable, proactive, and motivated Magento Developer who is not afraid of challenges and is passionate about developing, implementing new ideas, and working in a team. 

Required skill:

• 3+ years of PHP development experience
• Strong background using MVC frameworks and Object-Oriented PHP
• Understanding and using common application design patterns
• Experience in API development (any of SOAP/REST/GraphQL)
• Working with Git according to the Git Flow (or alternatives)
• JavaScript for Magento (jQuery, KnockoutJS)
• CSS preprocessors (Bootstrap, SASS, Grid, Flex)
• HTML5
• Composer
• MySQL
• Magento 1, 2 and Magento Cloud Infrastructure
• ElasticSearch
• Grunt
• Hyvä
• Experience with Linux systems and Docker
• Understanding of the application life cycle and development methodologies
• English: Upper-Intermediate

Will be a plus:

• Knowledge of web application architectures
• React and PWA development experience
• DBA basics, MySQL queries profiling and optimization
• Experience with performance and log analysis tools (Blackfire.io, NewRelic, Graylog, ELK(B) Stack, etc.)

We offer:

• Space for professional and personal growth
• Friendly and highly professional teams
• Hybrid work model 
• Paid vacation and sick leaves 
• Competitive compensation 
• Accounting and support for private entrepreneurs in Ukraine
• Compensation for our English courses
• Opportunity to take relevant professional courses, certifications, etc

If you think your skills and enthusiasm match what we’re looking for, we’d be happy to hear from you. Send us your CV, and let’s see what we can achieve together!

Boosters is a Ukrainian product company. We create impactful products in the EdTech and life-improvement domains, bringing value to over 40 million people worldwide. Our apps consistently rank at the top of their categories.

You may have already come across Avrora, Manifest, or Promova.

Our greatest strength is our people—we work with those who strive for self-improvement every day and aim to win as a team.

We’re currently looking for a Head of Product / CPO to join our new product—JustDone, an AI assistant for the academic audience that helps improve work with scientific papers, learning, and conducting in-depth research.

The main goal of this role is to lead the product and drive the overall product development strategy. The Head of Product will be responsible for overseeing the entire product lifecycle, from ideation to execution, and will be instrumental in driving the growth of the company through a product-led approach.

WHAT JUSTDONE HAS ACHIEVED SO FAR:

• 1M+ premium users;
• Ranked #1 AI Writing Assistant in the U.S.;
• 90%+ of content units generated by users find real-world application;

• Over 3 million pieces of content are created by users monthly.

   

ABOUT YOU:

• 2+ years of experience as a Product Lead/Head/CPO with a b2c product in a Tier-1 market;
• Proven experience in a leadership role within product management, preferably in a technology-driven company;
• Demonstrated track record of successfully launching and scaling digital products;
• Excellent strategic thinking and problem-solving skills;
• Strong analytical and data-driven mindset, with the ability to leverage data to make informed decisions;
• Passion for innovation and staying up-to-date with industry trends and emerging technologies, especially AI;
• Proven experience in strong Customer Development;
• Ability to develop clear product roadmaps and one-pagers for initiatives;
• Hands-on experience with A/B testing and running experiments. Promoting a culture of experimentation and building scalable testing pipelines;

• Deep understanding of Unit Economics.

   

YOUR AREA OF IMPACT:

• Lead the product team: Provide strategic direction and guidance to the team, ensuring alignment with the company’s goals and objectives;
• Product development: Drive the development and enhancement of JustDone’s products, ensuring they meet the needs of the target market and align with the company’s vision;
• Product strategy: Develop and execute a comprehensive product strategy that drives growth, innovation, and competitive advantage;
• Cross-functional collaboration: Collaborate closely with cross-functional teams, including engineering, design, and marketing, to ensure seamless product delivery and optimization;
• Market analysis: Conduct market research and analysis to identify market trends, customer needs, and competitive landscape, and use these insights to inform product strategy and decision-making;
• User experience: Champion user-centric design principles and ensure that the product delivers an exceptional user experience;
• Performance tracking: Establish key performance indicators (KPIs) and metrics to measure the success of the product and regularly track and report on performance;
• Team development: Build and develop a high-performing team, fostering a culture of innovation, collaboration, and continuous improvement;

• Business Growth: develop solutions and make decisions fostering JD’s business success.

   

WHAT WE OFFER:

• Opportunity to grow into a CPO or CEO role;
• Work in a team of professionals with an audience of more than 200,000 per month;
• Philosophy and conditions for your constant growth and development;

• A large space for implementing your ideas and influencing the product.

   

CORPORATE BENEFITS:

• Corporate doctor and medical insurance;
• Compensation for additional training at external training events and seminars;
• Business and Management School for employees;
• A large electronic library and access to paid online courses and conferences;
• Internal discussions and workshops;

• Free English courses.

   

INTERVIEW PROCESS:

• Pre-screen with recruiter (40 min)
• Interview with Boosters’ CEO (1.5 hrs)
• Test assignment

• Bar-raising interview (1.5 hrs)

   

Hit the apply button and let’s create the unicorns together! 🦄

We are looking for a Native Android Developer (Kotlin)

Our client is a digital consulting and solutions provider specializing in wealth management transformation. They help leading financial institutions — such as wealth managers, banks, advisors, and retirement providers—accelerate growth, improve operational agility, and scale effectively through tailored technology services.

Collaboration format: outstaff, contract-based.
Hourly rate: up to 15$/h
Direct communication with the client — good English and a presentable manner are important
Location: Poland
 

Requirements:

— 3+ years of experience in Android development;
— Strong knowledge of Kotlin and the Android SDK, including understanding their capabilities and limitations;
— Production experience with Jetpack Compose;
— Experience with Coroutines for asynchronous programming;
— Understanding of architectural patterns such as MVI, MVVM, Clean Architecture, and the ability to justify the choice of the most suitable one;
— Experience with Jetpack Navigation;
— Experience with Dependency Injection using Hilt;
— Experience building features end-to-end: design, implementation, release, monitoring, and iteration;
— Understanding of Android component lifecycle, multithreading, and asynchronous logic;
— Hands-on experience with unit and integration testing.