Senior Backend Engineer
Core
Designing and building scalable microservices and distributed systems for digital banking and crypto wallet infrastructure.
Role type
Senior Backend Engineer (DevOps)
Builds
Digital banking and crypto wallet platforms (Metal Pay, Proton SDK)
Domain
Fintech / Blockchain / Decentralized Finance
Deliverable
production ML models | product features | infrastructure
Required skills
Microservices architecture, NodeJS, SQL, AWS, Docker, Kubernetes, Terraform, DevOps, CI/CD pipelines, Test-driven development, Security implementation, Performance monitoring
Preferred skills
Service-oriented architecture, High-throughput application design, A/B testing, On-call rotation
Technologies
NodeJS, SQL, NSQD, Express, AWS, Docker, Helm, Kubernetes, Terraform
Responsibilities
Design scalable microservices, implement security and data protection, set up performance monitoring and CI/CD pipelines, research new backend technologies, maintain system integrity, collaborate on product solutions and A/B testing, handle production issues.
Seniority
Senior, hands-on IC