QA Engineer for GR8 Platform Team

GR8_TECH; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Remote-first

Medical

Mental health

Home office

Languages

20+ vacation days

Sick leave

Team events

Growth programs

Job summary

GR8_TECH is seeking a diligent Manual QA specialist to ensure high-quality software in a fast-paced FinTech environment. You will design and execute test cases, perform various testing types, and verify bug fixes while collaborating with developers and product managers.

The ideal candidate has 3+ years of QA experience, strong SQL and API testing skills, and comfort using AI-powered QA tools. English is required, with Ukrainian or Russian as a plus. Remote-first role with international scope.

Qualifications

• Must-have: 3+ years of Manual QA or Software Testing in FinTech domain.
• Must-have: strong QA methodologies and SDLC understanding.
• Must-have: experience with functional, regression, integration, and exploratory testing.
• Must-have: familiarity with bug tracking and test management tools.
• Must-have: SQL queries and relational databases knowledge.
• Must-have: testing web apps and APIs.
• Must-have: Git and modern development workflows.
• Must-have: understanding of REST APIs and distributed systems.
• Must-have: AI-powered tools to improve QA workflows.
• Must-have: ability to work in fast-paced product environment and adapt quickly.
• Must-have: Upper-Intermediate English or higher; Ukrainian or Russian fluency.

Responsibilities

• Execute test cases and test scenarios; maintain them.
• Perform functional, regression, integration, exploratory and UAT testing.
• Validate software against functional and non-functional requirements.
• Verify bug fixes and releases quality.
• Support performance and load testing as needed.
• Own feature quality through SDLC from planning to post-release validation.
• Leverage AI-powered tools to speed up QA tasks.

Skills

Manual QA

QA methodologies

SQL

REST APIs

Web applications

Git

AI tools

Ukrainian

Russian

Tools

Docker

Kubernetes

CI/CD

Grafana

Kibana

Sentry

Kafka

Job description

GR8_TECH builds B2B iGaming platforms for operators who play to lead. We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions. With 1000+ GR8 people across locations and time zones, we don't just ship technology — we help operators build success stories across brands, markets, and geos. Our ambition drives us. Our people make it real. If you're a challenger in spirit and a champion in action — join us.

Why this role exists:

Ensure the high quality, reliability, and stability of software products through thorough manual testing and defect management. Drive quality assurance throughout the entire software development lifecycle while leveraging modern AI-powered tools to optimize testing efficiency.

What you'll drive:

Test execution & quality assurance

• Create, maintain, and execute detailed test cases and test scenarios.
• Perform functional, regression, integration, exploratory, and user acceptance testing.
• Validate software against functional and non-functional requirements.
• Verify bug fixes and ensure high-quality releases.
• Support performance and load testing activities where required.
• Take end-to-end ownership of feature quality throughout the SDLC — from requirement analysis and test planning to post-release validation.
• Leverage AI-powered tools to accelerate test design, requirements analysis, defect investigation, documentation, and other day-to-day QA activities.

Defect management

• Identify, document, prioritize, and track software defects.
• Investigate issues and provide clear reproduction steps.
• Work closely with developers to resolve defects efficiently.
• Analyze recurring issues and recommend preventive improvements.

Collaboration & delivery

• Partner with developers, Product Managers, and other stakeholders throughout the SDLC.
• Contribute to test planning and ensure comprehensive test coverage.
• Communicate testing progress, risks, and quality metrics clearly.
• Support release readiness by validating critical functionality.

Process improvement

• Improve testing documentation, QA processes, and testing methodologies.
• Contribute to the development of reusable test scenarios and frameworks.
• Help increase testing efficiency through better tooling, AI adoption, and automation collaboration.
• Share knowledge and support junior QA engineers in their professional growth.

What makes you a GR8 fit:

Must-have

• 3+ years of experience in Manual QA or Software Testing within the FinTech domain.
• Strong understanding of software testing methodologies and SDLC.
• Experience with functional, regression, integration, and exploratory testing.
• Experience working with bug tracking and test management tools.
• Good understanding of relational databases and ability to write SQL queries.
• Experience testing web applications and APIs.
• Familiarity with Git and modern development workflows.
• Understanding of client-server architecture, REST APIs, and distributed systems.
• Hands-on experience using AI-powered tools (e.g. ChatGPT, Claude, GitHub Copilot or similar) to improve testing efficiency and optimize QA workflows.
• Ability to work effectively in a fast-paced product environment, balancing multiple priorities and adapting quickly to changing requirements.
• Upper-Intermediate English or higher, with fluency in Ukrainian or Russian.

Nice-to-have

• Experience testing mobile applications (iOS and Android).
• Familiarity with Docker, Kubernetes, CI/CD pipelines, and cloud environments.
• Basic knowledge of automation testing tools and scripting.
• Experience with log monitoring and observability tools (Grafana, Kibana, Sentry).
• Experience working with event-driven architectures and messaging systems (Kafka or similar).
• Understanding of microservices architecture.
• Experience in high-load or product-based environments.

Why you'll love working here:

Benefits Cafeteria — annual budget you allocate to:

Sports

• Medical
• Mental health
• Home office
• Languages.

Work-life & support

• Paid maternity/paternity leave + monthly childcare allowance.
• 20+ vacation days, unlimited sick leave, emergency time off.
• Remote-first + tech support + coworking compensation.
• Team events (online/offline/offsite).
• Learning culture with internal courses + growth programs.

Our culture & core values:

GR8_TECH culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that's got your back.

FUELLED BY TRUST: we're open, honest, and have each other's backs.

OWN YOUR GAME: we take initiative and own what we do.

ACCELER8: we move fast, focus smart, and keep it simple.

CHALLENGE ACCEPTED: we grow through challenges and stay curious.

BULLETPROOF: we're resilient, ready, and always have a plan.