Jobs

OBRIO is an IT company with Ukrainian roots inside Genesis business ecosystem. Our team consists of more than 300 talented professionals whose ambitions and striving for success help us build the best products on the market. We have offices in Kyiv and Warsaw.

We are developing Nebula — the biggest brand in the spiritual niche. Nebula has over 60 million users worldwide and has been ranked as the № 1 lifestyle app of the day in the Apple Store and Play Market in the USA, Canada, and Australia several times. Nebula is available on iOS, Android, and Web.

Our mission is to make people happier by improving the quality of their relationships. 

Here are some details we would like to share with you:

- Nebula is #1 in its niche in terms of downloads and revenue targets;

- 65 million users worldwide;

- Users from 50+ countries;

- 4.8 — our average AppStore rating (with more than 215 thousand ratings).

We are looking for a User Acquisition Manager to join our Nebula Marketing Team. We need a responsible and active team player with an analytical mindset to scale traffic sources.

Limited budgets? No, we haven't heard of it :) Our main goal is high efficiency of advertising activities, and we have the resources to achieve it.

What you'll do:

- Gain expertise in overseeing multi-million-dollar budgets across various paid marketing channels, such as Meta Ads;

- Develop, oversee, and optimize advertising campaigns on such as Meta Ads;

- Utilize tools like Amplitude and Tableau for precise tracking ad results;

- Thoroughly analyze, measure, and compile reports for all campaigns, forming a well-informed perspective on takeaways, future steps, and potential enhancements;

- Continuously monitor and maintain essential performance metrics within paid sources;

- Ensure optimal allocation of resources by consistently refining campaigns based on insights gathered from various A/B tests encompassing creatives, targets, and other strategic elements;

- Collaborate with creative team to create and approve creative and promotional assets.

About you:

- 2+ years of work experience in a similar position;

- Your English level is Upper-Intermediate+;

- Experience in conducting A/B testing and gathering information from it;

- Your exceptional problem-solving skills are driven by a creative and analytical mindset;

- You possess a genuine enthusiasm for data analysis and interpretation.

Would be a plus:

- Experience in working with Google, TikTok and other traffic sources;

- Copywriting skills: Able to write strong texts in order to improve ad performance;

- Experience with analytical tools - Tableau, Amplitude.

Why OBRIO is the best place to work?

- Unleash Your Ambitions: Our company was built by ambitious people who never settle for less. By joining OBRIO, you'll have the chance to unleash your own ambitions and achieve your career dreams.

- Innovate and Be Creative: We embrace innovation and creativity at OBRIO, and we encourage our team members to bring their unique ideas to the table. You'll have the chance to explore new solutions and make a real impact on our company's success.

- At OBRIO, we’ve gathered influential experts, all of whom are open to sharing their knowledge and ready to help solve issues based on their experience. This is the company where you can quickly reach your potential and advance your career.

Our benefits:

- Work from the comfort of your home or from one of our offices in Kyiv or Warsaw. The choice is yours!

- Enjoy 20 annual vacation days and unlimited sick leave, all covered by the company;

- Don't worry about getting the right equipment, we've got you covered if necessary;

- Stay healthy with access to a corporate doctor online, and health insurance options in Ukraine or a fixed amount towards insurance abroad after your probation period;

- Keep learning with our extensive corporate library, internal online meetings, and lectures;

- Grow your skills with our training compensation program;

- Take advantage of our supportive corporate culture, including assistance with relocation, advice on legal stay abroad, housing support, and help for third-country nationals;

- Have fun with our online events and team-building activities!

Here's what our hiring journey for this position looks like: Initial Screening ➡️ Team Interview ➡️ Skill Assessment ➡️ Final Check ➡️ Job Offer.

Let's team up and reach for the stars together!

On a mission to revolutionize the $365 billion game industry by creating a cutting-edge Gen AI product that takes video ads production to the next level. Our unique technology, leveraging genetic machine learning models and GAI capabilities, empowers game companies to effortlessly produce high-performing video ads, new game levels, and complete game mechanics at an unprecedented scale.

Key Responsibilities:

● Work in Unity to effortlessly duplicate and emulate any game's original development environment.

● Utilize AfterEffects to create visually stunning and compelling video ads.

● Apply your creative flair to produce engaging ads tailored for mobile games 2D\3D.

● Bring artistic inclinations to the forefront of ad production, contributing to company`s innovative approach.

Requirements:

● Proficient experience working in Unity; you feel at home in the Unity environment.

● Demonstrable expertise in AfterEffects.

● Proven track record in producing ads for mobile games.

● Artistic inclinations that shine through your work.

Bonus Points for:

○ If you're an avid player of mobile games, we'd love to hear about your gaming experiences!

The company is where creativity meets technology, and we're looking for passionate individuals to join us in shaping the future of game industry ads. If you're excited about pushing the boundaries, apply now and be part of our dynamic team!

PS regarding Unity:
Focusing on animation, organization, inserting objects and arranging them, materials, shaders, lighting, and cameras. Understanding prefabs and how they work in Unity. Particles, Everything related to the visual side of the software, not its programming/coding side.

📧 Send your resume and portfolio to me.

About the Role:
We are seeking a skilled Full-Stack Engineer with experience in React, TypeScript, Golang, and Python to join our team. You will work on building scalable, high-performance applications and contribute across the full technology stack, from backend services to frontend interfaces.
 

Responsibilities:

• Develop and maintain backend services using Go and Python
• Build responsive, user-friendly frontend applications using TypeScript (React, Node.js, or similar)
• Design and implement APIs, microservices, and integrations
• Collaborate with product and design teams to deliver high-quality features
• Optimize applications for performance, scalability, and maintainability
• Participate in code reviews, testing, and deployment processes
  
  
  
  Requirements:
• Strong experience with TypeScript, including frontend frameworks (React, Angular, or Vue)
• Proficient in Golang for building backend services and microservices
• Solid knowledge of Python for scripting, data processing, or backend development
• Experience with databases (SQL and NoSQL) and API design (REST, GraphQL)
• Familiarity with containerization and cloud platforms (Docker, Kubernetes, AWS, GCP)

• Understanding of software development best practices, version control (Git), and CI/CD

   

  Nice-to-Have:

• Experience in real-time applications or trading platforms
• Exposure to AI/ML pipelines
• Knowledge of DevOps practices

Required skills:

👉At least 5 year in sales

👉 Experience in B2B (or Ecommerce) will be a great plus.

👉 At least Upper Intermediate English level

👉 Experience with Magento or Shopify will be a tremendeous advantage.

Key Responsibilities:

👉 Search for the new clients

👉 Pre-sales negotiations

👉 Conducting calls and e-meetings.

👉 Money making > money showeling

We offer:

✅ Transparent bonus system

✅ Realistic KPI with guaranteed growth.

✅ Remote work

✅ Paid time-off

✅ Flexible schedule

✅ Ability for a constant financial and professional growth

We are looking for a mature Software Engineer with a product mindset to join our team! 🌟

The position will include building great products, tackling interesting challenges, and contributing to our engineering culture. We expect you to work in pairs, use test-driven development, be experienced in building complex web and mobile applications, and write both clean and maintainable code.

What "mature" means to us:

• You've navigated ambiguous problems and designed systems that scaled
• You make pragmatic technical decisions that balance quality with business impact
• You help your team grow through pair work, thoughtful code reviews, and knowledge sharing
• You communicate technical complexity clearly to both engineers and stakeholders

What You'll Work On:

You'll work on both Railsware products and solutions designed for our clients. Here's the scale and complexity you'll tackle:

• Mailtrap.io - An email delivery platform serving 1M+ users globally. Challenges include high-volume email processing, real-time delivery tracking, and API design for diverse integration needs.
• Coupler.io - A data integration and AI analytics platform handling millions of records daily. Think resilient data pipelines, complex transformations, AI integration, and data consistency across systems.
• Titanapps.io – a set of productivity tools for Jira. We architect integrations with third-party APIs, optimize performance for large datasets, and design intuitive UIs for complex workflows.
• NexHealth.com – Patient experience platform transforming healthcare. Tasks include HIPAA-compliant architectures, real-time scheduling systems, and integrations with healthcare providers.
• Tradezella.com – №1 trading journal with sophisticated analytics. Build data visualization systems, complex calculation engines, and real-time market data processing.

• Knowa.co – Executive-level project management solution. Design intuitive interfaces for high-level insights and build aggregation systems for complex organizational data.

  
  Check other examples of the products we built🔗 (http://railsware.com/case-studies/)

   

  Our tech philosophy: We primarily use Ruby and ReactJS, but our codebases are polyglot by design. We actively experiment with Golang, Python and Node.js in production when they're the right tool. You'll have a voice in technical decisions and technology choices.

What we're looking for

🔶 Technical Foundation:

• 5+ years building Ruby applications with deep Rails expertise
• Strong architectural skills—you've designed systems, not just implemented features
• Extensive ReactJS experience, including state management and performance optimization
• Hands-on experience with multiple database systems
• Production experience with cloud platforms (AWS, GCP, Digital Ocean, Heroku)
• Comfortable with UNIX/Linux environments 
• TDD practitioner–you write tests that give confidence, not just coverage

🔶 Professional Maturity:

• Proven ownership. You've led complex features from architecture through production, including stakeholder management
• Technical communication. You can explain trade-offs, advocate for technical investments, and write clear documentation
• Collaborative problem-solver. You build consensus, mentor others, and improve team practices
• Product thinking. You understand user needs and business constraints, not just technical requirements
• Good English for written and verbal communication across distributed teams

🌟 What Sets Exceptional Candidates Apart:

• Experience with pair programming and ensemble programming practices
• Track record of reducing technical debt while maintaining feature velocity
• Open-source contributions or technical writing that demonstrates expertise
• Experience with distributed systems, event-driven architectures, or microservices
• Background in domains like fintech, healthcare, or SaaS platforms at scale

🔷 What You Will Do

• Own end-to-end feature delivery, from technical design and architecture through implementation, testing, and production support
• Drive technical decisions for your domain, including technology choices, architectural patterns, and quality standards
• Elevate code quality through comprehensive testing, thoughtful refactoring, and maintainable design patterns
• Mentor and collaborate: conduct thorough code reviews, pair with team members, and share knowledge actively
• Shape product direction: identify technical opportunities and constraints that influence product decisions
• Proactively improve: spot and address technical debt, performance bottlenecks, and architectural concerns before they become problems
• Communicate clearly: keep stakeholders informed of progress, risks, and technical trade-offs
• Enjoy engineering again 😎

We offer

🔷 Outstanding development culture bit.ly/rw-devculture
🔷 Collaborate with us remotely from any location or in one of our offices (Kyiv/Krakow) bit.ly/rw-remotecollab
🔷 We offer flexible hours
🔷 Get competitive compensation, access to savings program, and microcredits
🔷 Thanks to our hardware policy, we use the best equipment and can regularly update it
🔷 34 days a year as paid time off (24 standard days + 10 more to cover public holidays)
🔷 Health policy budget will cover your private sports and healthcare expenses
🔷 Participate in local and international conferences
🔷 Our offices are equipped with modern ergonomic chairs and standing desks
🔷 You can always find fresh food and drinks in our kitchen
🔷 In Ukraine, we collaborate through Diia.City
 

Our office is located in Montenegro - one of the safest and most beautiful countries in Europe.

We provide our clients with a wide range of services and solutions in the field of outsourcing and outstaffing, specifically in legal issues, as well as in the field of personnel management and development.

Company offers:

- Salary up to 1500 euros + 10% of the income received.

- The company helps with relocation and finding an apartment for candidates from other countries.

- Hot targeted potential clients.

- Paid internship.

- Modern equipped office in the capital of Montenegro.

- Provision of equipped workplace, Internet, CRM.

- Legal, information and marketing support

We expect:

- Experience in international sales;

- Advanced English;

- Developed communication skills and abilities (negotiation skills, knowledge of sales techniques);

- Active life position, work for results;

If you are ready to join our team, please write!

Evoplay is one of the leading iGaming providers, recognized for its innovative approach to game development and technological solutions. The key to this success is the teamwork of like-minded people who are passionate about a common goal and love games.

Position Overview:

As a Jira and Confluence Administrator, you will be responsible for the administration, configuration, and maintenance of our Jira and Confluence instances. You will play a critical role in ensuring the smooth operation and optimal utilization of these platforms to support our teams in project management, collaboration, and knowledge sharing.

Key Responsibilities:

1. Platform Administration:

• Administer Jira and Confluence instances, including user management, permissions configuration, and customization of workflows, issue types, and fields. Jira (server and cloud), сonfluence, Bitbucket, Crowd)

• Perform regular maintenance tasks such as upgrades, patches, and backups to ensure system reliability and performance.

2. Configuration and Customization:

• Configure Jira projects and Confluence spaces to meet the specific requirements of our teams and projects.

• Customize Jira workflows, screens, and dashboards to streamline processes and enhance productivity.

3. Integration and Automation:

• Integrate Jira and Confluence with other tools and systems used within the organization to facilitate seamless data flow and collaboration.

• Implement automation rules and workflows using Jira and Confluence plugins to optimize task management and documentation processes.

4. User Training and Support:

• Provide training and support to users on Jira and Confluence functionality, best practices, and troubleshooting techniques.

• Serve as the primary point of contact for user inquiries and technical issues related to Jira and Confluence usage.

5. Corporate IT Services:

• Administer other corporate IT services such as Gitlab, LDAP, GCP.

• Ensure the proper functioning and integration of these services with other business applications and systems.

Qualifications:

• Experience in a similar position for 2 years.

• Experience with Atlassian stack:

- Jira

- Confluence

- Bitbucket

- Crowd

• Understanding of the functioning of Linux systems.

We offer:

• L&D center with courses for employees and top managers;

• Rotation program;

• Medical іnsurance;

• Paid leave;

• Sick days;

• Self-learning library, access to paid courses;

• Stable payments;

• Evoplay discount program;

• Flexible work schedule / remote work;

• Group discussions and individual sessions with a psychologist.

About project

Our new client develops a cyber security project for the US government. You will have the opportunity to contribute to the security of the United States.

Your area of responsibility

-Detect and exploit vulnerabilities;

-Understand the technical details of the published vulnerabilities as well as their real risk;

-Build scripts and software modules to verify the presence of vulnerabilities;

-Effectively communicate the vulnerability impact;

-Reverse-engineer vulnerability patches in order to better understand certain vulnerabilities;

-Assist in analyzing data from internet scanning tools in order to validate its accuracy;

-Assist in the development of tools to improve vulnerability or threat research.

Skills and requirements

-Proven experience in vulnerability exploitation;

-Extensive experience (3+ years) in reverse engineering (optionally);

-Knowledge of OS internals (any OS);

-Recent knowledge of exploitation techniques (iOS/Android/Windows/Linux/embedded).

Will be a plus

-Academic degree in Computer Sciences/Mathematics/Physics;

-Proven record (CVEs or verbal description) of found vulnerabilities in mobile/desktop OSes;

-Good interpersonal skills.

We offer

-Working in a team of talented and passionate engineers;

-Opportunity to work with the most trending technologies;

-Long-term enjoyable cooperation;

-Personal legal support;

-Payable vacation and sick days;

-Competitive salary depending on your own talents;

-Regular performance & career development reviews;

-Team building events.

Looking for a Data Engineer to join the Dataforest team. If you are looking for a friendly team, a healthy working environment, and a flexible schedule ‒ you have found the right place to send your CV.

Skills requirements:
• 2+ years of experience with Python;
• 2+ years of experience as a Data Engineer;
• Experience with Pandas;
• Experience with SQL DB / NoSQL (Redis, Mongo, Elasticsearch) / BigQuery;
• Familiarity with Amazon Web Services;
• Knowledge of data algorithms and data structures is a MUST;
• Working with high volume tables 10m+.

Optional skills (as a plus):
• Experience with Spark (pyspark);
• Experience with Airflow;
• Experience with Kafka;
• Experience in statistics;
• Knowledge of DS and Machine learning algorithms..

Key responsibilities:
• Create ETL pipelines and data management solutions (API, Integration logic);
• Different data processing algorithms;
• Involvement in creation of forecasting, recommendation, and classification models.

We offer:

• Great networking opportunities with international clients, challenging tasks;

• Building interesting projects from scratch using new technologies;

• Personal and professional development opportunities;

• Competitive salary fixed in USD;

• Paid vacation and sick leaves;

• Flexible work schedule;

• Friendly working environment with minimal hierarchy;

• Team building activities, corporate events.

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).

We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.

This is your opportunity to:

• Be part of a fast-growing software product company in advanced manufacturing.
• Learn and fulfil your potential in an open, knowledge-driven culture.
• Share in our ambitious vision and make a meaningful difference towards autonomous manufacturing.

Responsibilities: 

• Development of new features and new parts of the app.
• Work in a cross-functional Scrum team alongside Frontend and QA Engineers.
• Maintaining, improving and extending existing functionality.
• Сonstantly improving code organization and evolving application design.

You will be joining a well-versed team if you have:

• Bachelor’s Degree or Master’s Degree in Computer Science.
• Minimum of three years of experience in Node.JS development.
• Minimum of two years of experience in React.JS development.
• Experience with Sequelize, PostgreSQL, database design, microservices.
• Test automation coverage.
• Understanding of CI/CD.
• Git branching strategies.
• Scrum Agile principles and processes.
• English level - Intermediate and higher.

Nice to have:

• AI-minded engineering mindset – ability to creatively apply AI tools and approaches to accelerate development and problem-solving.
• Experience using Cursor or AI-powered development workflows.
• Passion for continuous learning and exploring emerging technologies.

Our tech stack: microservices, Node.JS, React.JS, PostgreSQL, Kubernetes, AWS.

Remote or Hybrid | Full-time | Kyiv, Ukraine

TEKTELIC, a global leader in IoT solutions, is looking for a driven Lead Generation Specialist to help us grow in a rapidly expanding market (25% annual growth!). If you’re passionate about tech and sales - this is your chance to make an impact.

🔍Your role:

You'll focus on turning cold leads into real opportunities - crafting outreach, following up, and booking intro calls. You’ll collaborate with the Business Development team to build a strong sales pipeline.

✅ What You Bring:

• 2+ years in lead generation or sales (cold outreach experience a must)
• Strong written and verbal English
• Confident with tools like LinkedIn Sales Navigator
• Skilled at creating personalized outreach messages
   

Nice to have:

• Experience with HubSpot or Pipedrive

💼 What we offer:

• Competitive salary & bonuses
• Health insurance from day one
• Paid time off + extra Christmas week
• PE accounting support
• Growth path into Sales or BD Manager roles
• Supportive, collaborative team
• Engaging team events

Ready to help shape the future of IoT?

Apply now and grow with TEKTELIC - where technology meets real-world impact.

We are looking for a Network Engineer to join us.

Servers.com is an international hosting provider with data centers in the US, Europe and Asia.

We provide reliable business solutions: dedicated servers, cloud technologies, load balancer, firewall, Kubernetes and monitoring services.

Clients use our services to deploy game servers, payment gateways, streaming services and other high-load systems.

Key tasks:

• providing network equipment administration at multiple data centers;
• performing the routine and emergency maintenance works on network equipment;
• dealing with requests from external and internal clients;

• directly participating in internal projects (developing network, connecting new locations, implementing new equipment, automation).

   

Requirements:

• proficiency in LAN/WAN principles;
• strong understanding of dynamic network protocols (BGP/OSPF);
• understanding L2-networking: VLANs, xSTP family, LACP, Redundancy (LACP/VRRP/etc);
• ability to perform basic network troubleshooting;
• English level sufficient for reading technical documentation and communicating with customers (Intermediate at least);

• ability to learn, communication skills, willingness to take in and analyze large amounts of new information (mostly technical in English).

   

Will be a plus:

• experience with network equipment from Extreme, Juniper or Nokia;
• EVPN and/or MPLS knowledge;
• certifications from network equipment and software vendors;

• experience in telecom and/or datacenter networking.

   

What do we offer:

• work in a team of professionals at international level;
• mentor assistance, learning modern IT technologies;
• opportunity to practice and improve your English;
• сorporate English Program Compensation;
• comfortable working conditions: schedule without night shifts, no overtime, no phone support, smooth integration into the workflow;
• excellent pay and all necessary equipment;
• remote work from Bratislava with the possibility to use our co-working space;
• relocation support to Slovakia;
• support of legalization in Slovakia if needed.

About Us:

Atto Trading is a dynamic quantitative trading firm at the forefront of global high-frequency strategies. We are seeking a C++ Software Engineer to join our growing team. 

This is a remote-first position based in Ukraine, with occasional in-office presence in Kyiv expected when conditions permit.

We are expanding an international, diverse team, with experts in trading, statistics, engineering, and technology. Our disciplined approach combined with rapid market feedback allows us to quickly turn ideas into profit. Our environment of learning and collaboration allows us to solve some of the world’s hardest problems, together. As a small firm, we remain nimble and hold ourselves to the highest standards of integrity, ingenuity, and effort. 


What You’ll Do:

• Design and deploy performance-critical components for large-scale trading infrastructure.
• Develop high-frequency trading (HFT) systems in C++ with an emphasis on low latency and reliability.
• Write modern, efficient code using the latest C++ standards.
• Interface directly with cutting-edge networking hardware via kernel-bypassing drivers.
• Conduct performance research to push the boundaries of our platform's speed and scalability.
  
   

What We’re Looking For:

• 3+ years of hands-on experience with C++ development.
• Deep understanding of C++ standards (C++14, C++17; C++20 is a strong plus).
• Hands-on experience with Python and/or Bash scripting.
• Proficiency with Linux environments and system-level programming.
• Solid grasp of multithreading, IPC, and concurrent systems.
• Strong skills in latency and throughput optimization, including experience with profiling and PGO.
• Knowledge of OOP and software design patterns.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
• Excellent attention to detail, with a critical and quality-focused mindset.
• Comfortable working independently or in small teams in a dynamic, high-speed environment.
• Strong communication skills and upper-intermediate (or higher) English proficiency.
• Curiosity and passion for financial markets and trading.
  
   

Nice to have:

• Experience developing high-performance, low-latency systems on Linux.
• Familiarity with OS internals and kernel-level networking.
• Understanding of financial instruments such as stocks, ETFs, futures, or options.
• Protocol-level networking knowledge (TCP/UDP/IP stack insights are a plus).

What we Offer:

• Opportunities to grow your skills and develop professionally
• Challenging and interesting tasks
• Competitive pay
• Paid time-off
• Coverage of health insurance costs 
• Monthly mental health budget
• Performance-based bonuses
• Modern office in city center with paid lunches and parking spaces

Our motivation:

We are a company committed to staying at the forefront of technology. Our team is passionate about continual learning and improvement. With no external investors or customers, we are the primary users of the products we create, giving you the opportunity to make a real impact on our company's growth.

Ready to advance your career? Join our innovative team and help shape the future of trading on a global scale. Apply now and let's create the future together!

About the position 

You will develop novel algorithms with low-level kernels. You will collaborate closely with our algorithmic researchers to outperform existing SOTA kernels. 

Main responsibilities: 

- Implement novel algorithms on GPUs, pushing hardware limitations to the edge. 

- Proactively develop and implement novel speedup and automation methods. 

- Build and operate low-level profiling setups. 

- Stay up to date with hardware trends and new capabilities. 

- Communicate and collaborate with team members. 

Our ideal candidate 

- Strong background in C/C++ and CUDA. 

- Extensive experience in code profiling and performance optimization techniques. 

- Outstanding problem-solving skills. 

- Independent, quick learner. 

Advantage 

Strong mathematical background. 

Deep understanding of AI algorithms. MSc/PhD in Math, CS, EE, or a related field. 
 

We offer:

• Attractive financial package

• Challenging projects

• Professional & career growth

• Great atmosphere in a friendly small team

Requirements: 
— Golang
—Apache Kafka
—NoSQL: Elastic, MongoDB,Redis
—А Bachelor’s Degree in Computer Science or a related field of study, or some other similar level of educational background, is preferred.

Responsibilities:
—Build scalable, highly available, robust systems and ensure their continuous delivery
—Work as part of a cluster and within a cross-functional team
—Take part in the whole feature development process — from the inception of ideas to deployment and maintenance
—We suggest submitting a small portfolio, or at least a code sample as proof of this experience
—Able to log time spent against the correct tickets and help maintain a strong degree of team efficiency.
—Prepare a development plan, defend it, code it, ship it, own it!