Junior Solutions Architect

As a Junior Solutions Architect at Blockstream, you support the design and delivery of secure, scalable blockchain and digital asset solutions for enterprise and institutional clients. Working within the Service & Enterprise Solutions organization, you collaborate with Solutions Architects, Delivery, Engineering, Product, and Client teams to translate business requirements into robust technical architectures, gaining hands-on experience in blockchain solutions for banking and institutional environments.

What you'll do

• Design and deliver end-to-end blockchain and digital asset solutions for banking, custody, payments, and treasury management use cases
• Architect secure, scalable platforms that integrate blockchain infrastructure with core banking and financial systems
• Define technical architecture including API design, data flows, event-driven systems, and integration patterns
• Make platform-level design decisions on deployment models (cloud, hybrid, on-premise), consensus mechanisms, and security protocols
• Evaluate and select appropriate blockchain platforms, protocols, and tools based on client requirements and technical feasibility
• Ensure solutions adhere to cryptographic security standards, regulatory compliance requirements, and industry best practices
• Collaborate with delivery teams, developers, and DevOps engineers to ensure architectures are buildable, testable, and operable
• Create and maintain technical documentation including architecture diagrams, system specifications, and integration guides
• Identify and escalate architectural risks, technical dependencies, and performance bottlenecks
• Mentor junior architects and developers on architectural patterns, blockchain best practices, and secure coding principles

What you bring

• 5-10 years of experience in solution architecture, platform engineering, or enterprise system implementation
• Strong understanding of blockchain technology, distributed systems, and cryptographic principles
• Experience designing multi-system platforms in regulated financial services environments
• Hands-on experience with cloud platforms (AWS, Azure, or GCP) and modern deployment practices
• Deep expertise in API-based architectures, microservices, and event-driven systems
• Strong knowledge of security protocols, encryption, authentication, and authorization mechanisms
• Understanding of DevOps practices, CI/CD pipelines, and infrastructure-as-code
• Excellent communication skills with the ability to present complex technical concepts to both technical and business stakeholders
• Proven ability to work collaboratively across multiple teams and geographies with high-quality customer engagement
• Swiss German, German, and English fluency; French and/or Italian are a plus
• Based in Switzerland, with a focus on Zurich, Zug, or Lugano

Nice to have

• Hands-on experience with blockchain platforms such as Bitcoin, Ethereum, Hyperledger, or similar
• Knowledge of smart contract development and decentralized application (DApp) architecture
• Experience with digital asset custody, tokenization, or crypto payment systems
• Understanding of DeFi protocols, stablecoins, and Layer-2 scaling solutions
• Familiarity with regulatory frameworks for digital assets (MiCA, AML/KYC, securities regulations)
• Experience integrating blockchain with core banking systems, payments platforms, or treasury management systems
• Programming proficiency in Python, Go, Rust, Java, or Solidity
• Blockchain certifications such as Certified Blockchain Architect or Hyperledger
• Experience with Kubernetes, Docker, and container orchestration
• Interest in progressing into Principal Architect or technical leadership roles

About Blockstream

Blockstream, founded in 2014 by Dr. Adam Back and fellow cryptographers, is a leading Bitcoin company providing infrastructure solutions for enterprises, institutions, and individual users. The company develops Bitcoin self-custody solutions, Bitcoin-based financial products, second-layer scaling technologies, and enterprise-grade blockchain infrastructure.