Senior Software Engineer – Agentic Systems

About the role

As a Senior Software Engineer on Coder’s Engineering team, you’ll build and evolve the systems behind the company’s agentic development experience. You will work across the agent harness, integrations, and workflows that connect agents with real development environments, collaborating closely with Product, Design, and other engineers.

Key responsibilities

• Design and build production systems in Go, with work across React and TypeScript where needed.
• Improve agent execution, tool use, context management, streaming, and long‑running workflows.
• Extend the provider‑agnostic architecture as models and capabilities evolve.
• Build reliable integrations between agents, workspaces, tools, and developer infrastructure.
• Own projects from implementation through rollout and iteration, contributing to design and code reviews.

Required profile

• Strong experience building and operating production software systems.
• Hands‑on experience with Go.
• Experience with React and TypeScript.
• Experience building systems around LLMs or agentic workflows.
• Familiarity with model APIs, tool calling, context management, or agent loops.
• Good understanding of distributed systems and production reliability.
• Working knowledge of AWS.
• Strong problem‑solving skills and comfort with technical ambiguity.

Required skills

• Go
• React
• TypeScript
• AWS
• Kubernetes
• Docker
• Linux
• PostgreSQL
• Prometheus
• Grafana
• GitHub Actions
• LLMs (large language models)