Senior Software Engineer, Go
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Job Description
Senior Go engineer building network discovery, reconciliation, and observability services for CodiLime’s network source-of-truth platform. Supporting distributed customers and production systems across US time zones.
Responsibilities:
- Design and build Go services for network discovery and reconciliation, network observability and monitoring, and agents and fleet management
- Design multi-tenant ingestion pipelines for network device data, with clear delivery guarantees, idempotency and predictable behavior under load
- Collect device identity and state from network devices using protocols such as SNMP, gNMI and CLI
- Build and evolve gRPC and Connect RPC APIs defined in Protobuf
- Work with PostgreSQL, Redis and RabbitMQ
- Instrument services with OpenTelemetry and keep metrics clean and meaningful
- Explore and apply AI-assisted engineering practices, such as interactive Claude Code-driven testing flows
- Write technical specifications with diagrams and contribute to architecture and design decisions
- Support customers, production issues and on-call in US time zones
- Write clean, maintainable, well-tested code and participate in code reviews
Requirements:
- 5+ years of professional software engineering experience
- Strong professional experience with Go
- Experience with gRPC and/or Connect RPC APIs defined in Protobuf
- Experience with PostgreSQL (including migrations), Redis and RabbitMQ
- Experience with multi-tenant services and OAuth2 / OIDC
- Deep knowledge of observability and instrumentation, including OpenTelemetry
- Fluency and experience with Docker, Docker Compose
- Experience with Kubernetes
- Experience with event-driven systems, including at-least-once delivery and idempotent consumers
- Solid understanding of networking: devices, configuration, protocols and layers
- CI/CD experience (ideally GitHub Actions)
- Hands-on, everyday use of AI coding tools (ideally Claude Code)
- Availability to work in US time zones (ideally Eastern Time)
- Good knowledge of English (minimum C1 level)
- Experience with MQTT or other device/IoT protocols, or gNMI (nice-to-have)
- Experience with Python, pytest, Django, FastAPI, REST (nice-to-have)
- Experience with Swagger and/or Postman (nice-to-have)
- Experience with Playwright or other E2E testing frameworks (nice-to-have)
- Experience with cloud computing, ideally AWS such as EC2, S3, EKS (nice-to-have)
Benefits:
- Flexible working hours and approach to work: fully remotely, in the office or hybrid
- Professional growth supported by internal training sessions and a training budget
- Solid onboarding with a hands-on approach to give you an easy start
- A great atmosphere among professionals who are passionate about their work
- The ability to change the project you work on
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