Staff Software Engineer, Agentic Dev Systems

Doist; United Kingdom; On-site; GBP 110,000 - 150,000; Full time

Job summary

Coder is the leading platform for AI development infrastructure, enabling enterprises to securely run human and AI-driven development workflows in consistent, governed environments. With Coder, organizations can confidently evolve from human-only development to AI-assisted and autonomous workflows, without sacrificing security, compliance, or performance.

As a Staff Software Engineer on Coder’s Agentic Engineering team, you’ll shape the systems behind our agentic development experience, stay

Qualifications

• Deep experience building and operating production software systems.
• Strong hands-on experience with Go.
• Experience with React and TypeScript.
• Hands-on experience building systems around LLMs and agentic workflows.
• Experience with model APIs, tool calling, context management, or agent loops.
• Strong distributed systems knowledge.
• Working knowledge of AWS.
• Track record of setting technical direction without formal authority.
• Strong architectural judgment and comfort working through ambiguity.
• Someone who makes the engineers around them better.

Responsibilities

• Set technical direction across Coder’s agent harness, integrations, and workflows.
• Design and build production systems in Go, with work across React and TypeScript where needed.
• Evolve agent execution, tool use, context management, streaming, and long-running workflows.
• Extend our provider-agnostic architecture as models and capabilities change.
• Lead complex projects from early ambiguity through production.
• Raise the engineering bar through design reviews, code reviews, and technical mentorship.
• Partner with Product and Design on clear, useful agent experiences.
• Improve the reliability, performance, and operability of agentic systems.

Skills

Go

React

TypeScript

LLMs & agent workflows

Model APIs / tool calling

Distributed systems

AWS

Kubernetes

Linux

Technical leadership

Tools

Docker

GitHub Actions

Prometheus

Grafana

Postgres

Job description

Coder is the leading platform for AI development infrastructure, enabling enterprises to securely run human and AI-driven development workflows in consistent, governed environments. With Coder, organizations can confidently evolve from human-only development to AI-assisted and autonomous workflows, without sacrificing security, compliance, or performance.

As a Staff Software Engineer on Coder’s Agentic Engineering team, you’ll shape the systems behind our agentic development experience, stay