Software Engineer, Blockchain & Distributed Systems

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. We have become a market leader in Bitcoin security and Layer-2 technologies. Our products are designed to make financial systems more efficient, secure, and robust.

We are seeking Software Engineers, an entry-level to more senior technical role focused on learning and contributing to the development of blockchain and digital asset solutions for enterprise and institutional clients. This role provides hands-on experience with distributed systems, cryptography, and financial technology while working alongside experienced developers and architects.

Within the Service & Enterprise Solutions organization, the Software Engineers contribute to building secure, scalable platforms for banking clients. This role offers the opportunity to work with cutting-edge blockchain technologies, learn industry best practices, and grow technical skills in a fast-paced fintech environment.

What You'll Be Doing (Responsibilities):

• Write clean, maintainable code following team coding standards and best practices
• Implement features and functionality based on technical specifications
• Debug and resolve software defects with guidance from senior team members
• Develop and execute unit tests to ensure code quality
• Participate in code reviews to learn from experienced developers
• Support integration activities with APIs, databases, and external systems
• Document code and technical processes clearly
• Collaborate with architects, DevOps engineers, and QA teams
• Learn and apply software development principles, design patterns, and fintech domain knowledge

What We Look for In You (Required Qualifications):

• Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience)
• 0-5 years of professional software development experience (internships and academic projects count)
• Proficiency in at least one programming language (Python, JavaScript/TypeScript, Go, Java, or Rust)
• Understanding of fundamental programming concepts: data structures, algorithms, object-oriented programming
• Familiarity with version control systems (Git) and collaborative development workflows
• Self-starter with proven ability to work collaboratively across multiple teams and geographies, demonstrating high-quality and high-touch customer engagement throughout all phases of delivery
• Strong problem-solving abilities and attention to detail
• Eagerness to learn new technologies and adapt quickly
• Languages: English required; Swiss German/German, French and/or Italian a plus
• Location: Switzerland, with focus on Lugano

Nice To Haves (Preferred Qualifications):

• Basic understanding of blockchain, distributed systems, or cryptography concepts
• Exposure to API design and RESTful services
• Interest in cryptocurrency, digital assets, or decentralized technologies
• Experience with databases (SQL/NoSQL)
• Familiarity with cloud platforms (AWS, Azure, GCP) or containerization (Docker)
• Understanding of agile development methodologies
• Contributions to open-source projects or personal coding portfolio
• Interest in progressing into senior development or architecture roles