Blockstream is hiring a Software Engineer, Enterprise Custody in Engineering — United States. The overview below is synthesized from the employer posting on jobs.ashbyhq.com: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.
Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance.
At Blockstream, we’re building solutions on Bitcoin that will disrupt the existing financial system. We imagine a world where individuals and businesses can easily access a global, permissionless system to secure their money, use it every day, and invest it or put it to work.
Blockstream is looking for Software Engineers to work on our enterprise custody solution. You’ll design and maintain scalable end-to-end systems that serve APIs and SDKs, and work on everything from database architecture to cloud-based deployments.
What You’ll Be Doing (Responsibilities)
Day-to-day scope for the Software Engineer, Enterprise Custody as described in the posting:
- Design, develop, and maintain scalable end-to-end systems that serve APIs and SDKs.
- Full stack software development, from database architecture to cloud-based deployment.
- Optimize system performance and security to support high-availability applications.
- Collaborate with cross-functional teams, including front-end developers, product managers, and hardware engineers to deliver seamless solutions.
- Implement best practices in software development, including CI/CD, automated testing, and code reviews.
- Research and integrate emerging technologies to enhance security and system efficiency.
- Troubleshoot and resolve complex software issues in a fast-paced development environment.
- Mentor junior developers and contribute to team knowledge-sharing efforts.
What We Look For In You (Required Qualifications)
Experience and skills the team lists as required:
- 5+ years of experience in full-stack software development, with a focus on backend engineering.
- Proficiency in backend technologies such as C++, Python, Rust, Node.js.
- Strong experience in designing and building RESTful APIs and SDKs.
- Hands-on experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
- Deep understanding of database technologies, including SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis).
- Familiarity with authentication and security best practices, including OAuth, JWT, encryption, and access control.
- Experience with CI/CD pipelines, automated testing, and DevOps tools.
- Strong problem-solving skills and ability to work independently or as part of a team.
- Excellent communication skills, with the ability to explain technical concepts to non-technical stakeholders.
Nice To Haves (Preferred Qualifications):
- Experience with Bitcoin, blockchain technology, or cryptography.
- Open-source software development experience.
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
- Experience with system/software architecture.
🔒 Stay Safe from Job Scams
All official Blockstream communication will come from an @blockstream.com email address. We will never ask you to share sensitive information or purchase equipment during the hiring process.
Build a standout application
For the Software Engineer, Enterprise Custody at Blockstream, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.
Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.
In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it.