Platform Architect

The role

The Platform Architect will define and evolve the architectural foundation of core platforms. This role involves end-to-end system design to ensure scalability, reliability, security, and developer efficiency across the infrastructure and product ecosystem.

What you will do

• Own the architecture and technical vision for Blockstream's platform and shared services
• Design scalable, secure, and fault-tolerant distributed systems supporting Bitcoin, Layer-2, and enterprise products
• Define platform standards for APIs, data models, service boundaries, and infrastructure patterns
• Partner with engineering teams to guide implementation, review designs, and resolve complex technical challenges
• Collaborate with Security and Infrastructure teams to ensure defense-in-depth, key management, and operational resilience
• Evaluate and introduce new technologies while balancing innovation with operational maturity
• Ensure platform designs support regulatory, enterprise, and institutional requirements without compromising decentralization principles
• Document architectural decisions, tradeoffs, and long-term technical roadmaps
• Mentor senior engineers and help raise the overall architectural rigor across teams

Required qualifications

• 5+ years of experience designing and operating large-scale platforms or infrastructure systems
• 6-8 years of development experience building production-grade backend with strong security boundaries, authentication, authorization, key management, as well as designing APIs, data models, and distri
• Proven experience as a Platform Architect, Principal Engineer, or Senior Systems Architect
• Deep understanding of distributed systems, including consensus, fault tolerance, replication, and networking
• Strong experience with cloud and/or hybrid infrastructure (AWS, GCP, bare metal, Kubernetes, Terraform, etc.)
• Expertise in security-critical systems, including authentication, authorization, cryptography, and key management
• Experience designing high-availability systems for financial or mission-critical applications
• Strong written and verbal communication skills, with the ability to explain complex technical concepts to diverse stakeholders
• Comfort working in a remote, globally distributed team

Nice to have

• Hands-on experience with Bitcoin, Lightning, Liquid, or blockchain infrastructure
• Experience contributing to open-source projects
• Familiarity with HSMs, secure enclaves, or hardware-backed key storage
• Background in fintech, capital markets, or institutional financial systems
• Experience balancing enterprise requirements with decentralized architectures

About the company

Blockstream is a leading Bitcoin company providing infrastructure solutions for enterprises, institutions, and individual Bitcoin users. They develop Bitcoin self-custody solutions, financial products, scaling technologies, and blockchain infrastructure.