Jobs

We are a professional SEO company working with international clients in highly competitive iGaming and casino niches.
Our team of specialists creates and scales SEO strategies for project portfolios where results and a systematic approach truly matter.
We continuously improve our processes, implement cutting-edge optimization methods, and are looking for a Head of SEO who will help us scale the direction and build teams for effective project growth.
 

Key Responsibilities

• Develop and implement SEO strategies for project portfolios and international brands
• Build, manage, and scale teams of SEO specialists, team leads, and experts of various profiles
• Optimize internal processes to scale the SEO direction and increase overall efficiency
• Work with highly competitive geographies, continuously improving approaches and adapting to search engine algorithm updates
• Collaborate with all key departments of the company to ensure effective traffic monetization
   

Requirements

• 5+ years of hands-on experience in SEO
• 2+ years of experience managing SEO teams or SEO directions
• Experience working with large-scale SEO projects and multi-brand structures
• Strong technical SEO expertise (indexing, redirects, canonicals, server responses)
• Practical understanding of Google Core Updates, E-E-A-T, and anti-spam filters
• Experience setting tasks for developers and controlling their execution
• Understanding of a performance-driven approach to SEO and traffic monetization
• Experience in iGaming, casino, affiliate, or other highly competitive niches will be a strong advantage
• Strong analytical and strategic mindset combined with a realistic assessment of team resources and capabilities
   

What We Offer

• A key role in developing the SEO direction of an international holding
• High level of autonomy in strategic decision-making and the opportunity to implement your own ideas
• Long-term cooperation with a stable and fast-growing company
• Direct support from company owners and a senior team with deep SEO expertise
• Flexible cooperation format (in-house or contract), modern tools, and all necessary resources to execute ambitious plans
  
  📩 Ready to build a high-impact affiliate program from the ground up? Send us your CV — let’s talk!

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 position is open for relocation for in-office presence to Lisbon, Portugal or remote work from Ukraine, with in-office presence in Kyiv required once circumstances allow.

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:

• Competitive compensation package
• Performance-based bonus opportunities
• Healthcare & Sports/gym budget
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches

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 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:

• Competitive compensation package
• Performance-based bonus opportunities
• Healthcare & Sports/gym budget
• Mental health support, including access to therapy
• Paid time off (25 days)
• Relocation support (where applicable)
• International team meet-ups
• Learning and development support, including courses and certifications
• Access to professional tools, software, and resources
• Fully equipped workstations with high-quality hardware
• Modern office with paid lunches

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!

Atto Trading, a dynamic quantitative trading firm founded in 2010 and leading in global high-frequency strategies, is looking for a Data Engineer to join our team.
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.

At Atto Trading, data is the foundation of every trading decision we make. As a Senior Data Engineer, you will own and evolve the on-premise Data Lake that powers our quantitative research and production trading - a system handling 1PB+ of market data today and growing by 100TB each year.

The Role

You will take end-to-end ownership of our data infrastructure: from architecting high-performance storage on our VAST platform to designing the pipelines that deliver clean, reliable market data to traders and researchers. This is a high-ownership role in a small, fast-moving team where your work directly shapes our research and trading capabilities.

What You'll Do:

• Design and manage scalable on-premise storage systems optimized for high-throughput analytics and research workloads
• Build and operate end-to-end ETL/ELT pipelines (Prefect/Airflow) for market data across US Equities, Futures, SIP feeds, and other sources
• Implement data quality validation frameworks and SLA/SLO monitoring to detect anomalies and ensure data completeness
• Develop metadata and catalog layers for efficient data discovery and self-service access across the firm
• Design event-driven architectures for near real-time market data processing and delivery

• Conduct structured intake sessions with quant researchers to map their data access patterns, query workloads, latency needs, and iteration cycles

   

What We're Looking For

• 5+ years of experience in data engineering or data platform roles, with proven large-scale infrastructure ownership (100TB+)
• Strong understanding of market data structures: trades, quotes, order books, corporate actions
• Production-grade Python and SQL; experience building APIs (FastAPI or equivalent)
• Experience with DAG orchestration tools (Prefect, Airflow or similar)
• Deep familiarity with binary columnar storage formats (Parquet, Feather/Arrow IPC), including encoding strategies, compression tuning, row group sizing, predicate pushdown and schema evolution trade-offs
• Design namespace structure, tiering strategies, and protocol selection (NFS/S3) on VAST, optimizing for mixed workloads (experience with Vast Database and Vast Data engine is a plus)
• Bachelor's in Computer Science, Engineering, or equivalent; 
• Quantitative finance background is a plus

What We Offer:

• Competitive compensation with a performance-based bonus
• 25 days PTO
• Healthcare and gym budget
• Mental health support
• Paid lunches
• Relocation assistance
• Learning budget for courses and certifications
• All within a modern office and a team that genuinely loves what it builds

A5 Labs is the advanced technology group for online mobile gaming companies, some of the largest mobile gaming sites in the world. The group develops leading-edge security technology and creates innovative modern game designs. A5 bets on its people. Outstanding talent and achievement should be rewarded with a superior work environment, outsized incentives, and growth opportunities. If you are the best, you deserve the best. Not later. Now.

This is a fantastic chance to work with a fast-growing company in the tech industry.

Overview

Given the great success of A5 Labs, we are now looking to appoint an experienced QA Engineer to help our QA Team and company scale up at speed. We are seeking a self-starter, who is experienced in evaluating the needs of our fast-growing group company and can shape and grow our QA capabilities in line with the business growth.

As a QA Engineer, you will ensure the quality of our Poker domain by designing, developing, and executing test plans, test cases, and test scripts. Applying test automation where necessary. Working closely with the Product Manager and the Engineering team.

What will we do for you?

This is a unique opportunity to build and shape the QA function in a fast-growing and successful organization. Working with world-class colleagues hand-picked from around the world, you will be joining a dream team and leading A5 to further success.

We offer a fully remote working environment with an opportunity to work with some of the best in the industry with a flexible leave policy that is more output-oriented.

What will you do for us?

Dedication to work: we need a hard worker to be able to maintain a high performance on a daily basis tasks in the fully remote work environment
To work without a supervisor, you will own the testing domain for the engineering team (with potentially expanding it and build you own team)

Test old and new features for the Poker-related software

Having a proper test design in place before the execution to ensure better Test Coverage.

Monitor and analyze quality performance.

Collaborate with the Product and Development Team to achieve consistent project execution.

Continuous investigation through Regression to ensure quality.

Create and maintain a suite of test cases in TestRail.

Identify test automation opportunities and implement solutions

Collaborate with development teams to ensure proper integration of automated tests

Execute automated tests and report on test results

Collaborate effectively with ProductTeam, Developers, Designers, DevOps Engineers, and the wider business.

Investigate and create bug reports in Jira.

Perform ad hoc testing requests from reports raised by our customers.

Maintain and expand the regression testing suite.

What you’ll bring to the table?

A deep understanding of Poker is a must (A level of 'I play poker with my friends' is not enough; At least VPIP and PFR terms are not something you will ask LLM what that is) 

Familiarity with how the Poker Solver apps work

4+ years of experience working in a fast-paced quality assurance environment.

Experience in Web-based Application Testing and Software QA tools and processes.

Excellent speaking and writing English skills (C1+). Communicating within the team is fully in English

Critical Thinker and problem-solving skills. Ability to understand how the application interacts with other external systems and how to apply proper testing algorithms to make sure it works as expected.

Hands-on experience in any Test case Management tool.

Excellent test case management skills (Design, Execution, maintenance, Test Coverage)

Basic experience with test automation frameworks such as Playwright, Cypress.io

Strong experience with mobile native applications on both iOS and Android platforms testing.

Demonstrable experience in creating QA capability, ideally in a growing organization.

Experience working in a collaborative Agile (Scrum / Kanban) environment.

In-depth experience testing applications on desktop and mobile, as well as web-based solutions.

A5 Labs is an inventive Bay Area research and development company that researches, designs and develops fair, safe, and sustainable gaming solutions. We pioneer innovations using large-scale data, machine learning, game theory, and innovative UX, UI, and game mechanics to promote engagement and sustain the health of large-scale online competitions & platforms.

We research solutions that can detect the use of bots, and AI-assisted gameplay, and more generally, draw the line between human and non-human behavior in online competitions. Building on our research & technologies, we engineer gaming solutions that can automatically detect player skill levels and dynamically adjust game competitions to promote engagement, fairness, and long-term health.

If you are looking for a company that will value your skillset and challenge you to rise to be the best, look no further. Let’s get you started on your new journey.

We are hosting the largest public online catalog of chemical compounds — over 11 billion compounds from suppliers from all over the world — and provide the researchers and procurement professionals with ultra-fast chemical and text searches for the best exploring and purchasing experience.

We combine expertise in chemical sourcing and procurement with one in building integration solutions for smooth and seamless ordering process. One of our main focuses now is building B2B products to cooperate with various Pharma companies.

We are opening a Product Owner position aiming to expand our business in SaaS model.

IN THIS ROLE YOU WILL:

1. Develop Product Vision:
   
    
   1. Engage closely with customers to define and continually refine the product vision, ensuring alignment with market needs and business objectives
   2. Translate customer needs into detailed product requirements
2. Manage Product Backlog:
   
    
   1. Create and maintain a comprehensive product backlog
   2. Prioritize backlog items based on value and strategic goals
   3. Facilitate backlog grooming sessions and ensure that the backlog is organized and actionable for the development team
3. Ensure Project Success:
   
    
   1. Coordinate project timelines and deliverables with customers.
   2. Monitor progress to ensure alignment with project goals and customer’s expectations
   3. Implement best practices to manage risks and ensure that project deliverables meet quality standards and customer satisfaction
4. Facilitate Communication:
   
    
   1. Serve as the main point of contact for product and project updates
   2. Keep stakeholders informed and engaged throughout the project lifecycle

WE ARE LOOKING FOR SOMEONE WHO HAS:

• Experience & Expertise:
• 3+ years in a similar role (Business Analyst/Product Owner)
• Experience with Jira Software
• Strong understanding of Agile methodology
• Skills & Proficiencies:
• Upper-intermediate English proficiency, with strong communication and writing skills in both Ukrainian and English
• Analytical mindset with the ability to understand and address complex business processes
• High attention to detail and strong responsibility
• Personal Attributes:
• A strong sense of ownership and pride in product development
• Capability to adjust to changing priorities and new challenges

WE OFFER:

• Competitive compensation depending on the experience and skills
• Flexible working hours
• Interesting business domain
• Comprehensive benefits package including sick leaves, annual vacation, medical insurance and sport compensations
• English language courses
• Individual annual budget on education
• Friendly working environment

About the Position

We’re growing fast and looking for a Senior Backend Engineer to join our Engineering team and help build the infrastructure that powers our platform at scale.

This is a high-impact role where you’ll work alongside top-tier engineers, designing and building secure, high-performance systems in a fast-paced environment. If you enjoy solving complex technical challenges and want your work to have real impact — we’d love to meet you.

What We’re Looking For

• Bachelor’s degree in Computer Science or a related field
• 5+ years of experience in backend development
• Strong experience building scalable, production-grade systems
• Proficiency in Node.js
• Experience with SQL and NoSQL databases
• Familiarity with cloud platforms and microservices architecture
• Strong problem-solving skills and attention to detail
• Passion for writing clean, maintainable, and efficient code

Bonus Points For

• Experience in cybersecurity or building security-focused products
• Experience working in startup or high-growth environments
• Familiarity with DevSecOps / SDLC tools
• Experience with distributed systems and high-scale data processing

We’re looking for a Full-Stack Developer (Laravel, React) to join a full-time, long-term project.

Required Skills

• At least a Bachelor with background in tech or equivalent based on work experience
• 6+ years work experience with the Laravel and React frameworks
• Experience building applications with Javascript/Typescript, PHP, HTML5, CSS and MySQL 8
• Experience mentoring and supporting the professional growth of fellow engineers
• Experience working with large development teams
• Clearly explain complex technical concepts to non-technical audiences
• Strong track record of leading technical projects and coordinating teams of 3+ engineer
• Passionate about usability, user experience, beauty and elegance of UI's
• Eager to learn, discuss and share knowledge with the rest of the teams
• Nice to have: knowledge of Kubernetes, Docker, and other tools user in DevOps
• Absolute fan of TDD and CI/CD pipelines
• Background in product-based companies with multiple product and engineering teams
• Proven track record of driving engineering initiatives that impacted other teams or the wider organization

The Right Mindset

• You’re an engineer, always interested in new technologies, pushing your boundaries and challenging others.
• You're fluent in business English, both written and verbal
• Critical thinking and initiative: Hands-on, nothing-is-impossible mindset
• Enjoy working with teams with multidisciplinary backgrounds
• Experience working in dynamic environments, such as a startup or scaleup environment
• Strong user-orientation and communication skills
• Strong presentation skills
• Pro-active attitude, go-get mentality
• Analytical, troubleshooting skills
• Structured, able to clearly define, prioritize and plan your own tasks
• Commitment to deliver quality (first time right) and on-time
• Motivated and enthusiastic team player, supporting your colleagues
• Keen to learn and further develop your expertise

Job Details:

• Full-time.
• Fully remote.
• Long-term.
• Location: Ukraine or Europe.
• The client is based in the Netherlands. They operate within the CET time zone.
• Start: ASAP.

We are looking for a talented Lead QA Automation Engineer with a passion for delivering the highest quality mobile and web apps.

As part of our team, you will be building automated QA pipelines for our existing products. You’ll be responsible for ensuring swift and stable product releases by performing automated cross-platform testing (Web, Mobile, API) and improving our CI/CD pipelines to maintain fast delivery pace.

Ready to be part of a modern, fast-growing, #1 product in its niche while gaining extensive professional growth? Apply now!

Who are we?

memoryOS is world’s #1 app for improving memory and focus, helping people overcome forgetting curve and retain needed knowledge. Proven learning and memory techniques are merged with duolingo-like gamified e-learning with patented virtual mind palace tech. Co-founded by 2X World Memory Champion — Jonas von Essen.

We’re a remote team of 30+ diverse, like-minded professionals, united in solving the problem of the forgetting curve.

We are proud to be the Most Funded App on Kickstarter. The memoryOS was featured on TechCrunch and recognized by Google Brands Accelerator as a product that is “light years ahead of any other company in memory space”.

What you’ll be working on

• Work closely with the existing manual QA teams to identify the most obvious and impactful QA automation opportunities.
• Set up an infrastructure for QA automation.
• Speed up delivery times using automated testing across company’s products.
• Convert the existing manual QA teams into automated QA units.
• Develop automated QA live agents to test and observe live products.

About you

• 4+ years of experience in automation QA.
• Strong experience with mobile, web, and API testing.
• Strong background in manual QA is highly desirable.
• Solid proficiency with QA and AQA tools (Playwright, Appium, etc.).
• Proficiency with QA documentation (test cases, bug reports, etc.).
• Experience with CI/CD pipelines.
• Experience with Agile methodologies.
• Excellent communication skills and keen attention to detail.
• Leadership and ownership mindset.
• English B1 or higher.

You will also get

• Comprehensive product testing and a diverse array of tasks.
• Developing solutions that have a direct impact on business.
• Transparent management, clear communication, and regular feedback.
• The opportunities to be involved in interesting and useful product for millions of people.
• The modern team of like-minded and diverse professionals.
• Enjoy a vacation and paid sick leave days to relax every year.
• Fully remote: you are free to choose your productive work time and place.

Getting the job

Enjoy building a top-level product with us while gaining extensive professional experience in a company with an important mission.

Step by step for this position:

1. Screening call (up to 1 hour): Position discussion, check basic competencies, and culture fit.
2. Technical interview (2 hours): Detailed сase approach to identify experience, technical skills, and core competencies.
3. Referral: Recommendations from the previous workplace.
4. Full-day interview (up to 6 hours): A workday simulation. You’ll be working with your future team members, will explore the codebase that you’ll be working on, and will be fixing/resolving several real work issues.
5. Final interview with CEO and CTO (30 minutes): Summarize experience and assess alignment with the company’s strategic goals. It’s the best time for any final questions.
6. Offer call (30 minutes): Discussion of a Job Offer Proposal.

Let’s make the world remember!

The product company is looking for a Python Engineer (AI/ML) in Warsaw.

The company is a successful market leader, a live-streaming Platform with 450+ Million registered users.
Their B2C mobile platform allows millions of talented people worldwide to connect with their fans and monetize their talents.
The company was founded in 2018 in the USA and is powered by 350+ global employees.

► They offer: options, medical insurance (100% for employees and 75% for family members), lunch in the office, parking, multisport card.

► Requirements: experience with AI/ML, Flask, microservices, NoSQL databases.

NuxGame is a dynamic IT company delivering top-tier software solutions for the iGaming industry. We empower operators of all sizes to expand into new markets, strengthen their existing brands, and achieve ambitious business goals.

We are looking for a DevOps TL to join our team. If you are passionate about building resilient infrastructure, leading talented engineers, and ensuring high availability for high-load systems, this is the place for you.

Tech Stack: AWS, Kubernetes, Terraform, Helm, GitHub Actions, VictoriaMetrics, Grafana, New Relic, Aurora, Redis, Cloudflare, Python/Bash.

Your Responsibilities:

You will be responsible for the reliability and scalability of our platform infrastructure, leading the team towards operational excellence.

• Team Leadership: Lead, mentor, and grow the DevOps team. Set technical priorities, optimize delivery workflows (hiring, performance reviews), and foster a culture of engineering excellence.
• Infrastructure as Code: Design and maintain scalable, multi-account AWS infrastructure using Terraform and Helm. Drive the adoption of GitOps practices for consistent environment management.
• Kubernetes Orchestration: Lead the development and support of high-availability EKS clusters, focusing on autoscaling, networking (CNI/Service Mesh), and resource optimization.
• Operational Excellence: Support continuous delivery through optimized CI/CD pipelines. Ensure 99.9%+ availability via robust monitoring, incident response protocols, and proactive system performance tuning.
• Security & Compliance: Strengthen security controls across the platform. Implement Zero-Trust principles, manage IAM/Secrets, and oversee Cloudflare security services (WAF, DDoS protection).
• Database Operations: Ensure reliability of stateful services (MySQL/Aurora, Redis), automating backups, failover strategies, and performance tuning.
• Cross-Functional Collaboration: Partner with Backend, Product, and QA teams to align infrastructure roadmap with business goals and eliminate bottlenecks in the development lifecycle.

What we expect from you:

• Experience: 5+ years in a DevOps role with 2+ years in a leadership position (managing team workflows, mentoring, reporting).
• AWS Expertise: Deep understanding of AWS ecosystem (multi-account organizations, advanced networking, security best practices, and cost optimization).
• Kubernetes Mastery: Advanced experience with EKS (HA networking, PodDisruptionBudgets, NodeGroups, Service Mesh, Cilium/eBPF).
• IaC & GitOps: Strong proficiency with Terraform (multi-environment modules) and GitOps tools (FluxCD or ArgoCD).
• CI/CD Strategies: Experience designing secure, scalable deployment pipelines (GitHub Actions, Jenkins) for PHP and Go applications.
• Observability: Expert knowledge of monitoring stacks (Prometheus, Grafana, Alertmanager, New Relic, Sentry) and experience designing custom metrics/alerts strategies.
• Security Fundamentals: Strong grasp of network segmentation, SSL/TLS, Secrets Management (AWS Secrets Manager/External Secrets Operator), and compliance basics.
• Automation: Proficiency in Python or Bash for creating operational tooling and automation scripts.

It will be a plus:

• Architecture: Experience with Multi-Region and Multi-Cloud architectures, cross-cluster networking, and disaster recovery strategies.
• Streaming Data: Experience with Kafka/MSK or other event streaming systems.
• Compliance: Experience with PCI DSS or equivalent compliance frameworks.
• Performance: Deep understanding of Linux internals and advanced caching strategies (Redis, Cloudflare, S3 tiering).
• Cost Management: Strong background in FinOps and cost optimization techniques across cloud providers.

An international product company in the chemical tech and pharma solutions domain is looking for a Product Owner to help drive the growth of its B2B SaaS products and online marketplace platform.

The company is part of a large industrial group and develops a global online platform for researchers, laboratories, and pharmaceutical companies. The product hosts one of the world’s largest public catalogs of chemical compounds, helping clients across Europe and the US quickly discover, compare, and purchase materials for research and development.

The team is активно expanding its SaaS direction and building B2B products focused on procurement automation, integrations, and collaboration with global pharma companies.
 

📍 Location: Kyiv, hybrid format (Lisova metro station)
 

In this role, you will:
- Develop and evolve the product vision aligned with business goals and customer needs
- Communicate directly with customers and gather business requirements
- Translate customer needs into detailed product requirements
- Create, maintain, and prioritize the product backlog
- Facilitate backlog grooming sessions with the development team
- Coordinate timelines and product delivery
- Monitor project progress and ensure alignment with customer expectations
- Act as the key point of contact for stakeholders regarding product updates and delivery status

We are looking for someone who has:

- 3+ years of experience as a Product Owner or Business Analyst
- Hands-on experience with Jira Software
- Strong understanding of Agile/Scrum methodologies
- Upper-Intermediate+ English level
- Excellent communication and analytical skills
- Ability to work with complex business processes
- Strong attention to detail and ownership mindset
- Ability to adapt in a fast-paced product environment

Nice to have:

- Experience working with SaaS products
- Experience in marketplace, B2B, or procurement domains
- Understanding of pharma, biotech, or chemical-related industries

What the company offers:

- Opportunity to work on a global product for international markets
- Medical insurance
- Sports compensation
- English courses
- Individual education and development budget
- Friendly and professional team environment

About Traffic Label

Traffic Label is a fast-growing, data-driven technology company operating in the iGaming and affiliate marketing space, building scalable products focused on performance, analytics, and automation across global markets.

Role Overview

As a Senior Java Developer, you will play a key role in building and scaling high-performance backend services within a complex, data-driven environment. You will contribute to architecture decisions, system reliability, scalability, and security across our platforms, while working closely with cross-functional teams in a collaborative and fast-paced environment.

This role combines hands-on backend development with system design, performance optimisation, and technical leadership.

Key Responsibilities

• Build scalable, testable backend solutions independently from requirements through to production deployment
• Own services end-to-end and guide complex features through the full development lifecycle
• Integrate third-party services according to business and technical requirements
• Collaborate closely with Backend, Frontend, QA, and Infrastructure teams
• Contribute to architecture discussions and help shape the technical roadmap
• Mentor team members on best practices, troubleshooting, and system design
• Monitor, profile, and optimise application and database performance
• Design and execute high-load performance testing scenarios
• Work on complex SQL tasks and performance optimisation using PostgreSQL
• Handle large-scale datasets with a focus on scalability and reliability
• Troubleshoot production issues using logs, metrics, alerts, and monitoring tools

Skills & Experience

• Strong commercial experience with Java Core and Spring Framework / Spring Boot
• Proven experience designing scalable systems using RDBMS and SQL
• Hands-on experience with Docker and Kubernetes
• Strong understanding of JSON, JWT, HTTP(S), REST APIs, and WebSockets
• Practical experience with Netty and non-blocking I/O
• Experience working with logging, monitoring, profiling, and alerting tools
• Strong debugging and problem-solving skills
• Good understanding of system security best practices
• Intermediate English level or higher for international collaboration
• Experience working with high-load systems and performance optimisation
• Familiarity with technologies such as Kafka, GCP, Elasticsearch, Flyway, Grafana, and Kubernetes-based environments

What We Offer

• Full remote work flexibility
• Generous paid time off including vacation, sick leave, and public holidays
• Strong growth and career development opportunities
• Opportunity to work on scalable, high-performance systems using modern technologies
• Collaborative, international, and fast-moving environment

Backend Developer (Node.js) for the  international product IT company,  which provides a full-stack package of complex AdTech solutions for digital advertisers, publishers and ad agencies worldwide. 

  The company develops white-label platforms for enterprise clients—custom turnkey solutions to automate and optimize digital advertising.

Products company : SSP, DSP, Ad Exchange platforms.

Main markets - Tier 1-2 

The technical team - up to 30 people (CTO, Team Lead, Back-end -10, Front-end developers, QA, DevOps )

Project stack: Node.js (backend), NoSQL, SQL, Redis, MongoDB,  Linux.

Locations/Offices - Kyiv, Lviv, Odesa, Mykolaiv or remote.

 Requirements:

• At least 5 + years of backend development experience, with a strong focus on Node.js
• Deep understanding of asynchronous programming in Node.js and event loop
• Knowledge or  experience with high-load systems
• Familiarity with SQL, NoSQL, and in-memory key-value databases for data storage and optimization;
• Knowledge of network protocols such as HTTP, TCP, and FTP;
• Expertise in identifying and resolving issues efficiently;
• Experience or understanding unit testing;
• Experience with Linux servers, handling basic administration tasks;
• Performance optimization skills;

Responsibilities:

• Write clean, efficient, and maintainable code following best practices
• Develop and maintain scalable backend services using Node.js 
• Debug and resolve issues in the backend systems
• Manage and optimize SQL and NoSQL databases 
• Write and maintain unit tests to ensure code quality
• Collaborate with team lead, frontend developers, CTO, Delivery Coordinator and other team members
•  Continuously learn and apply new technologies to improve backend systems

We offer:

• Vacation 21 calendar days per year (15 working days) - cumulative, the balances are 

           carried over from year to year

• medical insurance
• days off - 7 days per year
• additional 1 day of absence per year on the occasion of celebrating Birthday
• 15 paid sick leave per year
• 15 unpaid leave per year
• days off on public holidays
• referral bonuses
• coworking compensation
• corporate technology

Responsibilities

Tango Live is looking for a Director of Engineering to lead our engineering department and help us build our great product.

Responsibilities:

• Provide technical leadership to all engineering and development areas.
• Develop and execute an engineering strategy for the company.
• Lead the development and implementation of new product features.
• Manage and mentor a team of engineers.
• Working closely with Team Leads as their mentor in the direction of their professional development
• Manage teamwork by planning and prioritizing engineering backlog, clarifying tasks, monitoring progress, and eliminating blockers to establish effective coordination and delivery efforts.
• Partner with other engineering and development teams.
• Design development strategies based on the company's overall objectives and resources.
• Own the delivery commitment of the team and together with the team make sure to deliver what has been promised and up to the quality standards.
• Be responsible for delivery, agile delivery
• Provide a consistent/successful interface between Engineering Development and Product Management.
• Embrace the technological leadership in a team, plan and agree on engineering activities and tasks/project priorities in alignment with the Product Manager.
• Standardize the development process where needed, allow local differences where advantageous.
• Conduct regular people management processes for team members aligned with company practices and policies and with the HR team support.

Requirements

• 7+ years of experience in leading multi-disciplinary Agile development teams, preferably in a product;
• Background in Engineering/Team Lead role;
• Solid prior career experience as a software engineer;
• Strong understanding and experience with Agile software development practices like Scrum, Kanban;
• Technical practices like continuous integration, automated testing, release management, performance monitoring, and applicable tooling such as Atlassian, Git, etc. are part of your standard day-to-day thinking;
• AI Proficiency: Strong understanding of current AI trends and technologies, with experience leveraging AI to optimize engineering workflows or build intelligent product capabilities.
• Excellent managerial and supervisory skills;
• Excellent analytical and problem-solving skills;
• Proficient level of English.

If you are a highly motivated and experienced engineering leader with a passion for building great products, we encourage you to apply!

Here are some additional details that you may want to consider adding to the job description:

• The ideal candidate will have a proven track record of success in leading and managing engineering teams.
• They will have a deep understanding of Agile software development practices and methodologies.
• They will be skilled in technical areas such as continuous integration, automated testing, release management, and performance monitoring.
• They will be a strong communicator and collaborator.
• They will be passionate about building great products and providing excellent customer service.

What we offer:

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social and welfare packages;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place.