ABOUT UNCHAINED

Unchained offers a suite of bitcoin financial services built on top of a unique collaborative custody model. These include: buying and selling bitcoin directly to and from cold storage, bitcoin retirement accounts, bitcoin-backed loans, concierge services to educate clients on best security practices, and cold storage solutions for institutions and other businesses.

---

POSITION OVERVIEW

We are looking for a highly skilled Senior Software Engineer to help lead the development of innovative financial technology solutions within Unchained. As a Senior Software Engineer, you will leverage your expertise in software architecture and design patterns to drive the development of scalable, secure, and high-performance software applications. You will collaborate closely with cross-functional teams to architect, implement, and deploy mission-critical systems that shape the future of finance. You are both a high performing individual contributor and a leader that knows how to make engineers around them better through your own work as well as through mentoring and collaboration.

Unchained Engineering is filled with talented, hard-working, and passionate engineers. We want to see a strong sense of ownership, intrinsic drive, and a desire to learn and grow. We hold each other to a very high standard and expect that accountability to be mutual. Finally, we strive to embody aspects of the Bitcoin ethos – transparency, brutal honesty, and proof of work. If that sounds like just the thing you’ve been missing in your career up to this point – we look forward to seeing you in the inbox.

WHAT YOU'LL DO

• Design, implement, and deliver new cross-application features, including making major changes to our existing schemas or APIs
• Applying of domain specific knowledge of bitcoin and traditional financial services that help you anticipate architecture and product decisions
• Review pull requests for our proprietary and open source code repositories
• Identify opportunities to improve existing systems and workflows for security, flexibility and usability
• Ruthlessly rewrite, refactor, and improve our existing code
• Contribute to our engineering and product roadmaps
• Break down complex engineering projects and contribute to delivery estimates
• Participate in the larger engineering culture through presentations, blog posts, Lunch and Learns, code reviews, and documentation.

WHO YOU ARE

• You have experience with some or all of our stack:
• • Python (Flask, SQLAlchemy / alembic, pytest)
  • Celery
  • PostgreSQL
  • Pydantic / OpenAPI
  • Redis
  • NodeJS
  • Javascript/Typescript
  • React
  • Git
• You have experience with Docker and containers
• You are naturally curious
• You have strong communication and documentation skills
• You have excellent judgment, analytical thinking, and problem-solving skills
• You are a self-motivated individual that possesses excellent time management and organizational skills
• You reside in the United States and are authorized to work without sponsorship

Even Better

• You have experience with Kubernetes and Helm charts
• You have a strong understanding of micro-services and related architectures
• You have experience working with bitcoin and lightning network nodes
• You have experience working with bitcoin at the protocol level (redeem/witness scripts, extended public keys (xpubs), PSBTs, signatures, etc.)
• You have experience contributing to open source projects

WHAT WE OFFER:

• Company paid medical, dental, and vision coverage
• 401k with employer match
• Employee stock options
• Unlimited PTO
• Training & development opportunities
• Remote work flexibility

P.S. Want to really impress us? Include a (non-AI generated) cover letter telling us why you’re the perfect fit. It’s totally optional—but we’ve got a soft spot for a great cover letter.