Senior Go Engineer, Agentic Platform & Tools

Coder; United Kingdom; On-site; GBP 90,000 - 130,000; Full time

Job summary

Coder is hiring a Senior Software Engineer to join the Agentic Engineering team. You will build and evolve the systems behind our agentic development experience, spanning the agent harness, integrations, and workflows that connect agents with real development environments.

You’ll work hands‑on to solve complex technical problems, collaborate with Product and Design, and ship reliable agentic experiences. The role emphasizes production systems, Go, React/TypeScript, and AWS/Kubernetes familiarity.

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

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 our 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.

Skills

Go

React

TypeScript

AWS

Kubernetes

Linux

Distributed systems

Problem solving

Tools

Postgres

GitHub Actions

Job description

Coder is hiring a Senior Software Engineer to join the Agentic Engineering team. You will build and evolve the systems behind our agentic development experience, spanning the agent harness, integrations, and workflows that connect agents with real development environments.

You’ll work hands‑on to solve complex technical problems, collaborate with Product and Design, and ship reliable agentic experiences. The role emphasizes production systems, Go, React/TypeScript, and AWS/Kubernetes familiarity.