QA Engineer

Dataforest is seeking a QA Engineer. If you are looking for a challenging project, and a friendly, supportive team ‒ you have found the right place to send your CV.

Responsibilities:

• Test web applications across the full stack: frontend (React.js, Next.js, React

Native) and backend (REST, Python, DRF/FastApi).

• Design and execute load-sensitive test scenarios specific to high-traffic

platforms (casino, gaming, fintech).

• Verify critical flows: transactions, balance updates, session integrity,

concurrent user actions, race conditions.

• Create and maintain test cases, checklists, and test documentation for

complex backend logic and business rules.

• Perform functional, regression, exploratory, and edge-case testing across the

SDLC.

• Report, track, and verify defects in JIRA with clear reproduction steps and

environment context.

• Collaborate with developers, QA leads, and product teams to clarify

requirements and cover risk areas.

• Use tools like JIRA, Confluence, and Git/Bitbucket in daily work.

Professional requirements:

• 3+ years of experience testing web applications, with a strong emphasis on

backend and API testing (REST).

• Hands-on experience with high-load platforms — casino, gaming, betting,

fintech, or similar domains.

• Deep understanding of backend testing specifics: data consistency,

concurrency, transaction flows, state management.

• Proficiency in API testing with Postman or similar tools (required, not

nice-to-have).

• Experience with database querying (SQL) for data validation.
• Knowledge of SDLC and ability to identify test coverage gaps in complex

distributed systems.

• Experience writing thorough test documentation for non-trivial backend

scenarios.

• Experience with teamwork tools: JIRA, Confluence, Git/Bitbucket.
• Strong communication skills and ability to work in a fast-paced, high-stakes

environment.

Nice to have:

• Experience with payment systems (Stripe, PaySafe, or similar) and payment flow testing.
• Understanding of RNG, game logic, or compliance requirements in

gaming/casino platforms.

• Experience with performance or load testing basics (JMeter, k6, or similar).
• Knowledge of security testing basics relevant to financial or gaming systems

(auth flows, session handling, input validation

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;
• Comfortable, spacious and well-equipped office in the city center;
• Team building activities, corporate events.