Platform Architect
Blockstream develops Bitcoin-focused infrastructure, including software wallets, hardware devices, and layer-2 functionality.
Maintainer signals as of 9/25/2026
Projects
About Blockstream
Blockstream builds layer-2 and related infrastructure for Bitcoin. Its offerings include the Liquid Network for asset issuance and fast settlement, consumer and developer wallets, Lightning-as-a-service, a satellite data broadcast, and open-source hardware. The company’s goal is to deliver secure, scalable technology that reduces reliance on intermediaries and advances a global Bitcoin-based financial system.
Skills
About the Role
Define and evolve the architectural foundation of core platforms and shared services, designing scalable, secure, and fault-tolerant distributed systems supporting Bitcoin, Layer-2, and enterprise products.
Requirements
- 5+ years designing and operating large-scale platforms or infrastructure systems
- 6-8 years building production-grade backend systems with strong security boundaries, authentication, authorization, key management, and designing APIs and data models for distributed services
- 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 hybrid infrastructure such as AWS, GCP, bare metal, Kubernetes, and Terraform
- 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
- Comfort working in a remote, globally distributed team
- Hands-on experience with Bitcoin, Lightning, Liquid, or blockchain infrastructure (preferred)
- Experience contributing to open-source projects (preferred)
- Familiarity with HSMs, secure enclaves, or hardware-backed key storage (preferred)
- Background in fintech, capital markets, or institutional financial systems (preferred)
- Experience balancing enterprise requirements with decentralized architectures (preferred)
Responsibilities
- Own the architecture and technical vision for the 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 meet regulatory, enterprise, and institutional requirements without compromising decentralization
- Document architectural decisions, tradeoffs, and long-term technical roadmaps
- Mentor senior engineers to raise overall architectural rigor across teams