Senior Software Engineer (Agentic Engineering, Europe)

The role

You will build and evolve systems behind an agentic development experience. You will work on the agent harness, integrations, and workflows that connect agents with development environments.

What you will do

• 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 provider-agnostic architecture as models and capabilities change.
• Build reliable integrations between agents, workspaces, tools, and developer infrastructure.
• Own projects from implementation through rollout and iteration.
• Contribute to design reviews, code reviews, and technical discussions.
• Partner with Product and Design to turn agent capabilities into useful developer experiences.
• Improve the reliability, performance, and operability of agentic systems.

Required qualifications

• 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 working through technical ambiguity.
• Contributes beyond code through reviews, collaboration, and knowledge sharing.

Nice to have

• Experience building coding agents, developer tools, or cloud development environments.
• Experience with MCP, agent tools, or multi-agent systems.
• Experience with remote execution, sandboxing, or isolated compute.
• Experience building integrations across multiple model providers.
• Experience with AWS, Kubernetes, Docker, or Linux.
• Open-source contributions or experience working directly with customers.

About the company

Coder is the leading platform for AI development Infrastructure, enabling enterprises to securely run human and AI-driven development workflows in consistent, governed environments.