Senior Crypto QA Tester - Trading & Blockchain

XM; Poland; On-site; PLN 60,000 - 120,000; Full time

Benefits offered by this job

Remuneration package

Intellectually stimulating environment

International training opportunities

Job summary

XM is looking for a QA professional to join its cross-functional, agile tech teams in Poland. You will contribute to front-end, back-end, and end-to-end testing, ensuring quality throughout the development lifecycle.

The role covers wallets, transactions, and crypto trading workflows, with opportunities to learn and grow in a dynamic environment. Key requirements include a BSc/MSc in Computer Science and at least 3+ years of manual testing experience, plus 1+ year in crypto/blockchain test

Qualifications

• Bachelor, Master in Computer Science or related field.
• 3+ years in manual testing of software products.
• 1+ year QA in crypto, blockchain, Web3, DeFi, or digital asset platforms.
• Experience validating blockchain-related workflows (wallets, transfers, network interactions).
• Experience testing trading, exchange, fintech, or payment platforms with complex transactions.
• GUI and API testing experience is required.
• Proficient in SQL and database concepts.
• Strong software testing knowledge and methodologies.
• Excellent written and spoken English.

Responsibilities

• Understand business requirements, features, and technical implementations.
• Enhance software delivery and quality across the SDLC.
• Ensure software meets functional and non-functional requirements.
• Stay up to date with testing trends for DB and API.
• Report testing status to project teams and QA leadership.
• Track issues and drive resolutions during testing.
• Manage in-house testing documentation and test strategies.
• Validate crypto trading flows including orders, executions, settlements.
• Test high-availability and high-throughput systems with real-time data.

Skills

Manual testing

GUI testing

API testing

SQL

Blockchain/crypto testing

English communication

Analytical thinking

Test documentation

Education

BSc/MSc in Computer Science

Job description

XM is looking for a QA professional to join its cross-functional, agile tech teams in Poland. You will contribute to front-end, back-end, and end-to-end testing, ensuring quality throughout the development lifecycle.

The role covers wallets, transactions, and crypto trading workflows, with opportunities to learn and grow in a dynamic environment. Key requirements include a BSc/MSc in Computer Science and at least 3+ years of manual testing experience, plus 1+ year in crypto/blockchain test