QA Engineer

Location: Kyiv, Ukraine Type: full-time We're looking for a QA Engineer who will be responsible for designing, implementing, and executing test strategies to ensure the stability and performance of Bitcoin and blockchain-based applications. You will work closely with developers, product managers, and devops engineers to identify issues early, automate testing processes, and maintain high-quality standards for our products. Responsibilities: Develop and execute: test plans, test cases, and test scripts for blockchain-based applications and APIs. Design, implement, and maintain automated testing frameworks for functional, performance, and security testing. Conduct manual and automate testing of transactions, wallets, payment systems, and decentralized applications. Identity, document, and track defects using bug-tracking tools (e.g. Jira, GitHub). Collaborate with developers to conduct feature reviews and ensure testability of new features. Perform security testing to detect vulnerabilities in products. Work closely with DevOps to integrate testing into CI/CD pipelines, and optimize test execution in cloud-based environments. Conduct regression testing and maintain a robust suite of automated tests to prevent system failures. Research and implement test practices for blockchain and fintech QA methodologies. Qualifications: 2+ years in software quality assurance; preferably in fintech, blockchain, or security-focused industries. Proficiency in automation testing frameworks. Strong understanding of Bitcoin and blockchain technology. Experience with API testing tools. Knowledge of scripting languages. Understanding of security testing methodologies, including penetration testing and vulnerability assessments. Experience with performance testing tools. Strong analytical and problem-solving skills. Ability to work in a fast-paced, remote-first, and collaborative environment. Excellent communication and documentation skills. Originally posted on Himalayas