**Role & seniority: ** QA Engineer (3+ yrs manual testing; ~mid-level). Part of a QA team within cross-functional Agile development squads.

**Stack/tools (explicit): **

Testing: GUI testing, API testing, end-to-end testing
Data: SQL / database concepts
Domain: crypto trading, blockchain/Web3/DeFi, digital asset platforms
(Implicit/adjacent) test strategy & documentation; exposure to DB/API testing trends
Top 3 responsibilities:
1. Clarify business requirements/features and validate functional + non-functional requirements across delivery.
2. Execute and improve quality across the SDLC: GUI/API/E2E testing, issue tracking, reporting status, driving resolutions.
3. Validate crypto trading and blockchain workflows (order placement/execution/settlement; wallets/transactions/asset transfers) and test high-availability/high-throughput real-time trading systems.
Must-have skills:
- 3+ years manual testing
- 1+ year QA in crypto/blockchain/Web3/DeFi/digital assets
- Practical knowledge of blockchain workflow validation (wallets, transactions, transfers, network interactions)
- Experience testing trading/exchange/fintech/payment platforms with complex transactional flows
- GUI + API testing (explicit requirement)
- SQL/database fundamentals
- Strong testing methodology knowledge; methodical/analytical approach; clear English communication

**Nice-to-haves

Full Description

The Role

As part of the QA team, you will work in cross-functional, innovative, agile tech teams to ensure quality is consistent throughout the development process. You will be involved in front-end, back-end, and E2E testing, and you will be offered fantastic opportunities to learn and develop.

The main responsibilities of the position include

Understand and clarify business requirements, features, and technical implementation
Enhance software delivery and quality throughout the entire software development cycle
Ensure that software meets functional and non-functional requirements
Stay up to date on the latest testing trends and technologies related to DB and API
Report testing status to project teams and Head of the QA department
Track issues and drive resolutions throughout the testing process
Manage in-house testing documentation, write and continuously review test strategy
Validate crypto trading flows including order placement, execution, and settlement
Participate in testing high-availability and high-throughput systems handling real-time trading data

Main requirements

BSc/MSc in Computer science
3+ years of experience in manual testing of software products
1+ year of QA experience working specifically with crypto, blockchain, Web3, DeFi, or digital asset platforms
Practical experience validating blockchain-related workflows such as wallets, transactions, asset transfers, or network interactions
Experience testing trading, exchange, fintech, or payment platforms with complex transactional flows
Practical experience in GUI and API testing is a must
Knowledge of SQL and database concepts
Strong knowledge and experience in software testing concepts and methodologies
Strong interpersonal and organisational skills
Committed to excellence, continuous improvement, and to achieving the best results
Methodical, analytical, and meticulous
Very good written and verbal skills in English

The following will be considered an advantage

Experience in mobile testing (iOS/Android)
Experience in any scripting language
Experience in automated testing
Familiarity with different API protocols and technologies
Understanding of KYC/AML flows in crypto platforms
Certified with a testing-related certification such as ISTQB

Benefit from

Attractive remuneration package
Intellectually stimulating work environment
Continuous personal development and international training opportunities

The Hiring Experience: What Awaits you Let’s Connect – Intro Chat with Talent Acquisition Deep Dive – First Interview with Your Future Team Final Connection – Final Interview

All applications will be treated with strict confidentiality!

Senior Crypto Manual QA Tester