Senior Go Backend Engineer – Storage, Versioning & Repository Systems

We are looking for a senior Go engineer to build the core backend of a repository engine that will serve as the system of record for a larger software platform. This is not a CRUD application and not a typical SaaS backend role. The work involves designing and implementing storage, versioning, commit handling, governance enforcement, migration tooling, concurrency management, and operational reliability for a long-lived backend system. The architecture is already defined. We are looking for someone who enjoys building foundational systems and can take implementation ownership of the engine itself. Responsibilities • Implement backend services in Go • Build storage and persistence layers • Implement commit and versioning models • Design transaction-safe write paths • Develop migration and import/export tooling • Handle concurrency, locking, and consistency concerns • Build testing and validation frameworks • Participate in architecture and design reviews • Improve operational reliability and observability Required Experience • Strong professional Go experience • Experience building backend systems that manage state, workflows, or business-critical data • Strong understanding of concurrency and transactional systems • Experience with PostgreSQL or similar relational databases • Experience designing APIs and service boundaries • Experience building and maintaining production systems • Comfortable reading and implementing detailed technical specifications Highly Relevant Experience • Repository systems • Version control concepts • Content-addressed storage • Document management systems • Knowledge management platforms • Workflow engines • Event-driven systems • Data migration tooling • SQLite internals • Distributed systems Nice to Have • Git internals • Search and indexing systems • Multi-tenant SaaS platforms • Kubernetes and cloud infrastructure • AI-native applications and knowledge systems To Apply Please include links to GitHub, technical writeups, or relevant projects if available. We care more about system design, implementation quality, and production experience than years of experience.