About Blockstream
Blockstream was founded in 2014 by Dr. Adam Back and a group of cryptographers and engineers passionate about Bitcoin and its potential to transform the future of finance.
Blockstream focuses on building fundamental Bitcoin infrastructure and develops Bitcoin-based solutions designed to improve financial efficiency, security, and scalability.
The company has built a range of products on top of the Bitcoin protocol, including Layer-2 projects such as Liquid and Core Lightning, as well as end-user software and hardware wallets including Green and Jade.
The Role
As a QA Engineer, you 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 across Blockstream's 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 automated testing of transactions, wallets, payment systems, and decentralized applications.
- Identify, document, and track defects using bug-tracking tools such as Jira and 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 testing practices for blockchain and fintech QA methodologies.
Requirements
- 2+ years of experience in software quality assurance, preferably in fintech, blockchain, or security-focused industries.
- Proficiency with 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.
Stay Safe from Job Scams
All official Blockstream communication will come from an @blockstream.com email address.
Blockstream will never ask candidates to share sensitive information or purchase equipment during the hiring process.
If you have concerns about a communication you receive regarding this position, contact Blockstream at hr@blockstream.com.
