QA Engineer

Stack

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 automated testing of transactions, wallets, payment systems and decentralized applications
• ▹Identify, 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

Requirements

• ▹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

Soft skills

About the company

Blockstream was founded in 2014 by Dr. Adam Back and a group of cryptographers and engineers. It builds fundamental Bitcoin infrastructure, with products including Liquid, Core Lightning, and the Green and Jade wallets.