Jobs at Djinni

As a Senior Database Administrator is responsible for the design, implementation, maintenance, and optimization of the organization ' s database systems. This role involves ensuring data availability, integrity, and security, as well as supporting the development and implementation of database policies and procedures. The Senior DBA works closely with IT, development teams, and other stakeholders to ensure the efficient and reliable operation of the organization ' s databases.

Key Requirements: 
- Experience: 7+ years of hands-on experience as a Database Administrator in a 24/7 production environment. 
- Multi-Platform Expertise: Deep, demonstrable expertise in administering SQL Server, MySQL, and MongoDB. 
- Performance Guru: Proven track record of advanced performance tuning and optimization across all three platforms. 
- HA/DR Mastery: In-depth knowledge of high-availability and disaster recovery solutions for each database system. 
- Scripting Proficiency: Strong scripting skills in PowerShell, Python, or a similar language for automation. 
- Problem-Solving: Exceptional analytical and troubleshooting skills with the ability to resolve complex technical issues under pressure. 

- Communication: Excellent verbal and written communication skills, with the ability to explain complex concepts to technical and non-technical audiences. 

Responsibilities: 
- Architect & Administer: Design, implement, and maintain robust and scalable database solutions across SQL Server, MySQL, and MongoDB environments. 
- Performance Tuning & Optimization: Proactively monitor database performance, identify bottlenecks, and implement advanced optimization techniques, including query tuning, index management, and server configuration. 
- High Availability & Disaster Recovery: Develop, implement, and regularly test comprehensive backup, recovery, and high-availability strategies (e.g., Clustering, Replication, AlwaysOn) to ensure business continuity. 
- Security & Compliance: Establish and enforce security policies and procedures to protect company data. 
- Conduct regular security audits and ensure compliance with industry standards. 
- Automation & Scripting: Develop scripts (PowerShell, Python, Bash) to automate routine database tasks, deployments, and monitoring to improve efficiency and reliability. 
- Strategic Collaboration: Work closely with development, infrastructure, and business intelligence teams to provide database expertise, support application development, and advise on best practices. 
- Technology Innovation.

About the company
We are a group of product companies specializing in the development and promotion of mobile applications. Our main focus is iOS products with subscription-based monetization.
We are now launching a new direction — scouting, evaluating, and acquiring mobile applications. We work with investors who purchase apps as long-term assets, as well as acquire promising projects for our own growth.

Responsibilities:

• Search and analyze mobile applications for acquisition (ASO, monetization, growth potential).
• Work with marketplaces (Flippa and others), conduct negotiations, and close deals.
• Evaluate applications: traffic, profitability, promotion strategy, user metrics.
• Acquire and further develop applications within the company.
• Manage the company’s website and social media pages (LinkedIn, Facebook).
• Communicate with app owners.

• Build ROI and profitability forecasts for acquired assets.

   

Requirements:

• Experience in product management / business development / marketing or ASO.
• Strong understanding of subscription-based monetization models.
• English level B1–B2+ (written and spoken).
• 1.5+ years of experience as an analyst in mobile development (iOS/Android).
• Proficiency in SQL and experience with BI tools (Tableau, Looker, Power BI, etc.).
• Knowledge of mobile metrics (retention, ARPU, LTV, DAU/MAU, cohort analysis).
• Experience with Amplitude, AppsFlyer, or similar tools.

We offer:

• Competitive salary (base + performance bonuses).
• Modern office in the center of Warsaw.
• Career growth opportunities in the fast-growing mobile investments segment.
• Minimal bureaucracy and work in a professional, ambitious team.

Description

Our customer is a global leader in digital media and entertainment services across film, video and online content from capture to consumption.

Since 1915, our customer has been the trusted partner for the world’s most successful Hollywood studios, independent film companies, TV networks, exhibitors, advertisers and others, offering best-in-class solutions in production, post production, distribution, asset and workflow management and new digital solution-based technologies.

This position is ideal for individuals who have the drive and desire to ‘make things’. It requires a highly motivated individual with attention to details and a hunger to learn and solve problems.

Requirements

Shifted working hours – Readiness to work till 12 AM Kyiv time

Required Experience

• 6+ years of experience working on machine learning applications and deploying AI/ML models into production environments;
• Strong understanding of AI/ML concepts, algorithms, and technologies.
• Proficiency in Python and experience in machine learning frameworks, (i.e. PyTorch, TensorFlow).
• Experience building and automating scalable machine learning pipelines in cloud ecosystems (Azure, AWS, GCP);
• Familiarity with cloud tools like S3, EC2, SageMaker, and Lambda;
• Advanced knowledge of Machine Learning models and LLM.
• Expertise in neural networks, computer vision, NLP, and/or reinforcement learning.
•  

Preferred Experience

• Experience with building and fine tuning various image, text, audio, and video classification models, such as shot/scene detection, captions, object labeling, attention scoring, etc.
• Experience with Media and Entertainment industry file formats and applications (IMF, Protools, MXF, 3D, etc)
• Experience with any of the following: NVIDIA Enterprise AI Solutions, AWS SageMaker, AWS Bedrock, AWS Clean Rooms, Data Lakes
  Experience with fine tuning models, training, validating, testing, and deploying in production setting.

Job responsibilities

An engineer in this position will design, develop, and architect services for the platform, in addition to:

• Contributing to cutting-edge R&D initiatives including service integration with emerging
  frameworks and platforms.
• Assisting with technical resolution of issues on mission critical production systems (you build it, you own it, you run it.)
• Thinking out of the box to come up with solutions that scale, are fault-tolerant, easy to grasp and elegant.

Requirements:

• At least 1 year of proven experience as a Quality Assurance Specialist
• Strong knowledge of software QA methodologies, tools, and processes
• Experience in test documentation design (test plans, bug reports, etc.)
• Understanding of the software development life cycle and experience working with different methodologies
• Proficiency in project management software (Jira, Asana) and an understanding of workflows within these tools
• Excellent problem-solving and analytical skills
• Effective communication and negotiation skills
• Attention to detail and the ability to work well as part of a team
• High level of written English is a must

Will be a plus:

• Skills in programming
• Automation experience
• Experience with DBMS (MySQL, PostgreSQL, etc.)

We offer:

• Stable and competitive compensation with regular results-based review
• Opportunities for career growth and raising professional skills
• Dynamic environment with low level of bureaucracy
• Innovative projects with advanced technologies
• Flexible work schedules
• Your bookkeeping will be maintained by a professional accountant
• Compensation external English language trainings

Responsibilities:

• Perform thorough manual testing of web applications to ensure compliance with requirements
• Document test results and prepare detailed reports on findings
• Effectively utilize project management software, adhering to its established workflows
• Provide regular project status updates and reports
• Work closely with development teams to understand product requirements
• Maintain clear and open communication with project stakeholders, including clients, team members, and executives
• Continually improve QA processes to ensure high-quality products

🚀 Join Our Team in Ivano-Frankivsk

We're a small, dynamic team looking for a passionate Junior QA/SDET who's eager to master both manual and automated testing. You'll work directly alongside our senior engineers on real projects, starting with manual testing and progressively building your automation skills across multiple languages and frameworks.

About This Opportunity

As a small company, we provide direct mentorship from experienced developers who are invested in your growth. You won't be lost in a corporate training program – instead, you'll be testing real projects from day one, with senior engineers guiding you through challenges. We'll help you evolve from manual testing to building robust automation frameworks and discovering where your testing expertise can make the biggest impact.

What You'll Do

• Start with comprehensive manual testing to deeply understand our applications
• Gradually transition to writing automated tests, primarily in JS/TS stack
• Build test automation for both frontend interfaces and backend services
• Design and execute test plans, test cases, and bug reports
• Develop automated test suites using modern frameworks
• Participate in code reviews for both application code and test code
• Collaborate with developers to ensure quality throughout the development lifecycle
• Work directly with senior engineers who will guide your automation journey
• Take ownership of quality assurance for features as your skills grow

What We're Looking For

Required Skills

• Strong analytical and problem-solving skills
• Understanding of software testing principles and methodologies
• Basic programming knowledge in at least one language
• Attention to detail and ability to think like a user
• Understanding of web applications and how they work
• Familiarity with bug tracking and test management tools
• Strong communication skills for clear bug reporting
• English proficiency (Upper-Intermediate or higher)
• Ability to work from our Ivano-Frankivsk office

Nice to Have

• Experience with TypeScript/JavaScript
• Familiarity with test automation frameworks (Playwright, Cypress, Jest, etc.)
• Basic knowledge of API testing tools (Postman, REST clients)
• Understanding of CI/CD concepts
• Experience with Git version control
• Knowledge of SQL for database testing
• Personal projects or coursework in testing/automation
• Curiosity about different testing approaches and tools

Our Tech Stack

• Frontend: React, React Native, Expo, TypeScript, Tailwind CSS
• Backend: Nest.js/Node.js (primarily), with some Python and Go projects
• Cloud: AWS
• Testing: You'll help us build and improve our testing infrastructure!

What We Offer

Growth & Development

• Direct mentorship from senior developers who work alongside you
• Real project testing experience from your first week
• Clear progression path from manual testing to test automation
• Exposure to multiple programming languages and testing frameworks
• Opportunity to shape our testing processes and tools as we grow

Work Environment

• Small, tight-knit team where your contributions matter
• Office in Promprylad, Ivano-Frankivsk
• Direct communication – no corporate bureaucracy
• Safe environment to learn, experiment, and grow
• Regular team discussions and knowledge sharing

Benefits

• Performance-based salary reviews as you develop
• Flexible working hours
• Paid time off and sick leave
• Opportunity to make a real impact in a growing company

Why Join Us?

In a small company, you're not just employee #500 – you're a valued team member whose growth directly contributes to our success. Quality is crucial to our products, and we need someone who can grow from manual testing into automation expertise. Our senior engineers are passionate about sharing knowledge and will help you build strong testing and development skills. You'll have the unique opportunity to shape our quality processes from the ground up.

How to Apply

Send us:

1. Your CV/Resume
2. Links to any projects you're proud of (testing projects, automation scripts, or any coding work)
3. A brief note about what excites you about quality assurance and test automation, and what areas you're curious to explore

Location: Office-based in Promprylad, Ivano-Frankivsk

Start Date: As soon as possible

We're a small but ambitious team. If you're looking for a place where you can learn fast, contribute meaningfully to product quality, and build your path from manual testing to test automation with personal guidance from experienced developers, we'd love to hear from you

Description

We are looking for a self-motivated, initiative, and collaborative Lead UI/UX designer, who will be able to join our new project and lead the Discovery and transition to the Development phase. The project is a big enterprise application with a back office and a mobile client. We’re going to extend its functionality with SmartWatch (WatchOS) and CarPlay applications. You will be part of a cross-functional, cross-geo team of developers, test engineers, ui/ux designers, and architects who will create applications from scratch and integrate them with the back-office API.

Requirements

• 4+ years of experience as a UI/UX Designer in a client-facing setup, designing applications within business objectives and technological constraints
• Advanced knowledge of design software 
• Experience with prototyping tools 
• Experience of working in modern collaborative environments
• Excellent communication skills (oral, written, and presentation) with the ability to communicate effectively in a global environment
• Substantial portfolio of varying projects in the field of Mobile and Web
• Experience with SmartWatch and CarPlay is highly beneficial
• Ability to work autonomously and in a team environment; 
• Working with complex design libraries and design documentation
• Collaborating in a cross-functional team with a variety of stakeholders across different business functions and levels (developers, customer representatives, strategists, QA, business analysts etc.)
• Experience in creating UX artifacts (User Journeys, User Flows, Personas)
• Experience of working with design systems
• Understanding of HTML, JavaScript, and CSS concepts that inform your following design and interaction decisions.
   

Job responsibilities

Start the Discovery phase with a small, core team of cross-functional experts to create lo-fi designs, user and technical requirements for 2 mobile applications: for SmartWatch (WatchOS) and CarPlay.

Leverage the existing design system used by the client

Create designs based on the existing design system. Work with the Architect, BA, and developers to groom and validate requirements

Consult and collaborate with internal and external partners on User Interface-related topics

Prototype potential new User Interface solutions

Partner with mobile developers to create friendly designs

Provide input to the design process and end-to-end technology innovation within the company

Quantum is a global technology partner delivering high-end software products that address real-world problems.

We advance emerging technologies for outside-the-box solutions. We focus on Machine Learning, Computer Vision, Deep Learning, GIS, MLOps, Blockchain, and more.

Here at Quantum, we are dedicated to creating state-of-art solutions that effectively address the pressing issues faced by businesses and the world. To date, our team of exceptional people has already helped many organizations globally attain technological leadership.

We constantly discover new ways to solve never-ending business challenges by adopting new technologies, even when there isn’t yet a best practice. If you share our passion for problem-solving and making an impact, join us and enjoy getting to know our wealth of experience!

About the position

Quantum is expanding the team and has brilliant opportunities for a Senior Data Science / LLM Engineer. The client is a technological research company that utilizes proprietary AI-based analysis and language models to provide comprehensive insights into global stocks in all languages. Our mission is to bridge the knowledge gap in the investment world and empower investors of all types to become “super-investors.”

Through our generative AI technology implemented into brokerage platforms and other financial institutions’ infrastructures, we offer instant fundamental analyses of global stocks alongside bespoke investment strategies, enabling informed investment decisions for millions of investors worldwide.

Must have skills:

• 4+ years of commercial experience as a Data Science Engineer
• Strong knowledge of linear algebra, calculus, statistics, and probability theory
• Knowledge and experience with algorithms and data structures
• 2+ years of experience with LLM and Natural Language Processing-related tasks
• Knowledge of modern DL architectures
• Experience with at least one of the Deep Learning frameworks (Tensorflow, PyTorch)
• Experience with SQL
• Strong knowledge of OOP
• At least an Upper-Intermediate level of English (spoken and written)

Nice to have skills:

• Experience with production ML/DL frameworks (OpenVino, TensorRT, etc.)
• Docker practical experience
• Experience with Cloud Computing Platforms (AWS, GCloud, Azure)
• Participation in Kaggle competitions

Your tasks will include:

• Full-cycle data science projects
• Data analysis and data preparation
• Development of NLP solution and AI-based chatbots
• Developing models and deploying them to production
• Sometimes, this will require the ability to implement methods from scientific papers and apply them to new domains

We offer:

• Delivering high-end software projects that address real-world problems
• Surrounding experts who are ready to move forward professionally
• Professional growth plan and team leader support
• Taking ownership of R&D and socially significant projects
• Participation in worldwide tech conferences and competitions
• Taking part in regular educational activities
• Being a part of a multicultural company with a fun and lighthearted atmosphere
• Working from anywhere with flexible working hours
• Paid vacation and sick leave days

Join Quantum and take a step toward your data-driven future.

💻 Requirements:

• Experience in outsource company is required
• 2–3 years of proven experience as a Business Analyst
• Strong skills in requirements gathering, analysis, and stakeholder communication
• Hands-on experience with documentation (SRS, WBS, RBA matrices, stakeholder matrix, etc.)
• Proficiency in Jira and Confluence (backlog management, creating epics, maintaining documentation)
• Experience preparing wireframes, diagrams, and supporting materials for the team
• English level – Upper-Intermediate (B2) or higher
• Strong analytical thinking, attention to detail, and ability to structure information clearly
  Ability to collaborate effectively with the team and meet deadlines
   

🤝 Nice to Have

• Experience participating in discovery phases and preparing client-facing presentations
• Experience facilitating grooming sessions and demo meetings with the internal team
• Understanding of QA processes and ability to assist in testing complex features
• Basic knowledge of prototyping and UX design
• Experience preparing commercial proposals and supporting pre-sale activities
  Basic understanding of business process automation
   

✔️ Key Responsibilities:

• Communicate with stakeholders to gather and analyze requirements
• Create and maintain backlog items (user stories, tasks, improvements)
• Maintain project documentation in Confluence (Glossary, Validation rules, stakeholder matrix, RBA matrix, diagrams, etc.)
• Analyze the market and prepare recommendations for improvements or expansion
• Work in Jira: create epics, tasks, and maintain backlog structure
• Participate in sprint planning, grooming sessions, and demos
• Validate designs against user stories and requirements
• Prepare additional documentation as needed (wireframes, diagrams, presentations)
• Support discovery and pre-sale phases by analyzing requirements and preparing deliverables

Please read before applying.

We’re looking for an unbelievably fast - full stack developer who loves building mobile apps, learning, and experimenting with AI tools. 

You will build a fitness mobile app integrated with health data from mobile devices and APIs. 

The ideal candidate is a developer who wants to grow their career with us, able to commit full time. You should be comfortable wearing multiple hats and delivering usable versions in unbelievable speed. 

If you love experimenting, building, and using tools (Cursor.dev, GitHub Copilot, or Clude Code and more) that help you move faster and better, you’ll thrive with us. 

Please share links to apps you created or any other project that would help us evaluate your skills. Applications without past project examples will not be considered.

We are open to part-time and full-time positions but prefer full time. Your salary will grow in stages based on your preference. 

About us:
 

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.
 

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.
 

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success.
 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.
 

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Required Skills: 

• 5+ years of hands-on experience in commercial software development using Java.  
• Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns. 
• Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data, Spring Cloud). 
• Proficiency in vanilla JDBC for database interactions. 
• Strong understanding of RDBMS concepts and SQL, with experience working with databases such as Oracle, PostgreSQL. 
• Experience with Redis. 
• Experience with distributed messaging systems, particularly RabbitMQ. 
• Proven track record in the development of microservices and distributed transactional systems. 
• Knowledge of fundamental design principles for building scalable and highly available applications. 
• Good foundation in algorithms, design patterns, and data structures. 
• Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.  

Preferred Skills:  

• Experience in application and infrastructure monitoring. 
• Proven ability to troubleshoot production problems related to software applications. 
• Exposure to high-load systems. 
• Good spoken and written English skills. 
• Experience with JSP, Thymeleaf, JavaScript, TypeScript, React would be a big plus. 
• Experience with MongoDB would be a big plus. 

Responsibilities:  

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include: 

• Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system. 
• Architecting scalable and efficient Java-based components to ensure optimal performance under high load. 
• Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards. 
• Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning. 
• Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support. 
• Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

Umova is an outsource software development company delivering high-quality, timely products using modern technologies. We work with clients from all over the world.

You can find more info about us on our website: https://www.umova.tech/

We are looking for a person to join our team as a Lead Generation Specialist with experience in the IT field.

Requirements:

• Written and spoken English at upper intermediate/advanced level.
• Strong communication and analytical skills.
• Demonstrated experience in Lead Generating within the B2B segment, specifically in the international market, focusing on the USA, Canada, and Europe. (would be a plus)
• Understanding of the IT field.
• Experience with UpWork, LinkedIn, etc.
• Understanding the ~sales funnel~
• Experience actively developing relationships with clients within an account while expanding their understanding of the client’s business.
• Effective communication skills, building business communications.

• Stress resistance, self-organization, focus on results, desire to work and earn money.

   

Responsibilities:

• Expanding the existing client base through freelance platforms, tracking lead interactions, and client database maintenance.
• Establishing contacts with new clients.
• Analysis of IT needs of clients.

• Utilize email campaigns and LinkedIn strategies to maximize lead-generation efforts.

   

We offer:

• competitive salary and bonus system
• a comfortable, energy-independent office
• flexible working hours
• many interesting working days with a friendly team and management
• using your computer
• unlimited self-paid leaves
• paid sick leaves/Vacation

We will be glad to see you on our team!

Please write Umova at the beginning of your application to know that you have read to this point. Feel free to contact!

Job description

Infineon’s Power System IC (PSI) Software Development team is seeking a Principal Firmware Engineer to contribute to the design and development of embedded firmware for our advanced DC/DC power conversion ICs. If you have a strong foundation in embedded systems programming and are eager to learn and grow your skills, we’d love to hear from you. Apply now and join us in Lviv!

In this role, you will create control firmware for a family of MCU-based digital power controllers for various DC/DC power supply topologies. This will enable real-time control, configuration, and communication with external systems through serial protocols such as I2C, PMBus and UART.

In your new role, you will:
 

• Write and test embedded firmware for power IC applications using C
• Implement real-time control and configuration firmware for embedded systems
• Interface with serial communication protocols such as I2C, PMBus, and UART
• Conduct firmware development for peripherals such as ADC, DAC and communication interfaces
• Assist in debugging and validating embedded firmware with mixed-signal hardware in a lab environment
• Collaborate with hardware and software engineers to ensure seamless functionality
• Create and maintain documentation, including feature descriptions, user guides, and firmware design specifications
• Contribute to new ideas for firmware improvements and participate in code reviews to maintain quality standards

Your profile
You are a hands-on engineer with a strong interest in embedded firmware development. You coordinate effectively with colleagues, share insights proactively, and take initiative to overcome technical challenges. You have high standards and a commitment to continuous improvement.

You are best equipped for this task if you have:
 

• A bachelor’s or master’s degree in electrical engineering, Computer Science or similar
• At least 3 years of experience in embedded firmware development
• Experience in DC-DC power conversion systems, with basic understanding of mixed-signal systems (good to have)
• Proficiency in C programming for embedded systems, and familiarity with Python is a plus
• Familiarity with serial communication protocols such as I2C, UART, or PMBus and experience debugging firmware with hardware circuits
• Familiarity with version control systems (e.g., GIT) and debugging tools (e.g., JTAG) and bug tracking systems like JIRA is a plus
• Knowledge of bare-metal, RTOS environments, and device drivers is a plus
• Strong problem-solving and collaboration skills, as well as good communication skills in English

Please send us your CV in English

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Required Skills: 

• 5+ years of hands-on experience in commercial software development using Java.  
• Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns. 
• Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data, Spring Cloud). 
• Proficiency in vanilla JDBC for database interactions. 
• Strong understanding of RDBMS concepts and SQL, with experience working with databases such as Oracle, PostgreSQL. 
• Experience with Redis. 
• Experience with distributed messaging systems, particularly RabbitMQ. 
• Proven track record in the development of microservices and distributed transactional systems. 
• Knowledge of fundamental design principles for building scalable and highly available applications. 
• Good foundation in algorithms, design patterns, and data structures. 
• Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.  

Preferred Skills:  

• Experience in application and infrastructure monitoring. 
• Proven ability to troubleshoot production problems related to software applications. 
• Exposure to high-load systems. 
• Good spoken and written English skills. 
• Experience with JSP, Thymeleaf, JavaScript, TypeScript, React would be a big plus. 
• Experience with MongoDB would be a big plus. 

Responsibilities:  

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include: 

• Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system. 
• Architecting scalable and efficient Java-based components to ensure optimal performance under high load. 
• Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards. 
• Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning. 
• Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support. 
• Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

Netflix boosted its views by 30% just by changing movie thumbnails.
Romance fans saw a couple in love, action fans saw an explosion and a superhero.
One movie, different covers = 30% more clicks.

We apply the same principles to our gambling platform and are looking for a  CRO Manager to scale these results.

Why this role is exciting for an experienced PM:

• Mentorship from a Senior PM with proven results: registration conversion 12% → 24%, clicks 58% → 61%, 15+ projects delivered in a year
• Gambling CRO expertise – the most challenging niche with premium market compensation
• Proprietary analytics tools for fast A/B testing and conversion tracking
• Full project ownership with no micromanagement
• Scale: 230k+ MAU, 150+ countries, dozens of parallel experiments

Your responsibilities:

• CRO strategy planning – user funnel analysis, identifying bottlenecks, building an optimization roadmap
• Independent project ownership – landing page redesign, registration form optimization, testing user mechanics
• Deep behavioral analytics – heatmaps, cohort analysis, segmentation
• A/B testing – experiment design, sample size calculation, statistical analysis, decision implementation
• Cross-functional collaboration – briefing designers on creatives, tasking developers with technical implementation

Projects you’ll work on:

• Optimizing personalized bonus campaigns (similar to Netflix thumbnails)
• Redesigning the homepage for different geo-regions
• A/B testing of registration funnels and onboarding flows
• Thematic campaigns (seasonal, holiday) with measurable ROI
• Contributing to the development of recommendation systems
   

Growth path: 

• 0–3 months: Adaptation to platform specifics and company processes
• 3–12 months: Independent ownership of key CRO initiatives
• 12+ months: Opportunity to grow into Senior PM or Lead roles
   

Ideal candidate: 

• 2+ years of CRO/Product Manager experience with proven results
• Strong expertise in A/B testing, statistics, analytics tools, CSS/HTML/JS
• Experience with high-load products (230k+ MAU)
• Independence in decision-making and project management
• Motivation to grow expertise in the gambling industry

What success looks like after 1 year:

• Consistent growth of key conversion metrics
• Established expertise in gambling CRO – one of the highest-paying niches
• Career growth opportunities to Senior/Lead positions
• Fully remote + medical insurance + education reimbursement + English tutoring.

What stages do we have:
• 1st stage: pre-screen with recruiter.
• 2nd stage: interview with hiring manager.
• 3rd stage: test task (optional).
• 4th stage: final interview.
• 5th stage: referrals and offer.

💡 Ready to join the team? Send us your CV.

DataRoot Labs is a full-cycle AI R&D center—and Ukraine’s largest hub of AI talent and compute. Over the past 10+ years, we’ve shipped 45+ AI-powered products for leaders and startups across Automotive, Energy, Navigation, Gaming, Education, and more
 

Our client builds autonomous yard trucks that replace human drivers to make logistics yards safer, faster, and more efficient
 

Your mission: make the AI stack see in 3D and drive correctly—every time

Responsibilities:

• Research and develop advanced reinforcement learning (RL) algorithms and their applications
• Build, simulate, and test RL environments for real-world deployment scenarios
• Apply modern deep learning techniques, including transformers and computer vision, to RL problems
• Optimize inference performance for large-scale RL solutions

Requirements:

• Have a strong background in Reinforcement Learning and Deep Learning
• Hands-on experience with simulation and environments for RL
• Proven production experience in RL, including deployment cases
• Deep understanding of RL techniques (e.g., policy gradients, actor-critic, Q-learning)
• Experience with transformers and computer vision
• Upper-Intermediate English (written & spoken) for documentation and collaboration
• Strong knowledge of Python
• Experience with inference optimization

Would be a plus:

• Experience with Vision-Language Architectures (VLAs)
• Work with edge devices and sensors (e.g., camera, lidar, radar, etc.)
• Experience in automotive or robotics
• Knowledge of C++/CUDA

What We Offer:

• Real autonomy impact. Work on vehicles that use RL, Vision-Language-Action (VLA) and many other latest architectures
• Access to DGX H200 systems and large-scale GPU clusters
• Startup pace, research mindset, and a goal-oriented team
• Newest technical equipment and modern MLOps
• 20 working days of paid vacation, English courses, educational events & conferences, and medical insurance
• Your engineering will directly influence how autonomous vehicles perceive and act