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Staff Software Engineer (Agentic Engineering)

CoderUnited KingdomFull-timeSalary not listed · Typical pay in United KingdomPosted Oct 11, 2026
Job description

About the role

Full text from the employer, as published on Arbeitnow, arranged into sections. Nothing added or removed.

As a Staff Software Engineer on Coder’s Agentic Engineering team, you’ll shape the systems behind our agentic development experience. You’ll work across the agent harness, integrations, and workflows that connect agents with real development environments.

You’ll stay hands-on while setting the team's technical direction. You’ll lead complex work, make sound architectural decisions, and help other engineers do their best work.

01What you’ll do here

  • 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.

02What we’re looking for

  • 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.

  • A 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.

03Our tech stack

  • Backend: Go, Postgres

  • Frontend: TypeScript, React

  • Infrastructure: AWS, Kubernetes

  • Observability: Prometheus, Grafana

  • CI/CD: GitHub Actions

04Bonus tacos if you have

  • (Tacos? If you need an ice-breaker, ask how we say thanks by giving tacos!)

  • Experience building coding agents, developer tools, or cloud development environments.

  • Experience with agent tools, or multi-agent systems.

  • Experience building abstractions across multiple model providers.

  • Deep experience with AWS, Kubernetes, Docker and Linux.

  • Open-source contributions or experience working directly with customers.

Coder’s agentic architecture is provider-agnostic. The foundation is already built; this role helps decide how it evolves, where we invest, and how we keep it reliable as the space moves quickly.

05About Coder

Coder is the leading platform for AI development Infrastructure, enabling enterprises to securely run human and AI-driven development workflows in consistent, governed environments. Coder provides self-hosted, agent-ready workspaces that unify developer productivity and platform governance. With Coder, enterprises can confidently evolve from human-only development to AI-assisted and autonomous workflows, without sacrificing security, compliance, or performance. Learn more at coder.com.

06Interview process

We believe that the interview process should be transparent, consistent, and enjoyable. We value your time and hope to complete the interview process in two to four weeks, if schedules allow. Through your interviews, you will meet a mix of individual contributors, managers, and senior leaders.

07AI use during the interview process

As an AI company, Coder embraces the use of AI tools, and we want to be transparent about our expectations as you navigate our interview process.

Not permitted: Using AI assistance during conversational interviews.

Permitted: Using AI tooling for take-home assessments. Please flag where and to what extent it was used in your take-home. Your submission will not be penalized for using AI as long as it is done honestly.

08Our use of AI in hiring

We use AI tools to help manage our recruitment process efficiently and fairly. Specifically:

  • Ashby helps us review inbound applications by surfacing candidates who best match the role requirements we've defined. This tool does not make hiring decisions; it helps our team prioritize which applications to review first.

  • Granola takes notes during our interview calls so our team can focus on the conversation with you.

All hiring decisions are made by humans. Our team reviews applications, conducts interviews, and makes final selections. AI tools assist us but never replace human judgment, and these practices are conducted in compliance with applicable data protection, AI governance, and labor laws. Your data is not used to train AI models.

In accordance with New York City Local Law 144, an independent bias audit has been conducted on "Automated Employment Decision Tools"; results are available for Ashby.

If you're applying for a role at Coder and have questions about how we use AI in our process, or if you'd like to request information about the data we collect, please contact  

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DGJ Insight

Our own data about this role and place, from official statistics and our live job index.

Updated Oct 25, 2026
Pay benchmark
Average wage, United Kingdom
GBP 46,511 average / year

Source: OECD Average annual wages, 2025

Cost of living · United Kingdom
100.5 vs New York = 100

UN living-cost index for United Kingdom (ICSC post adjustment 76.4), as of 1 Oct 2026.

Source: ICSC post adjustment classifications (icsc.un.org)

Work permit route
  • Skilled Worker visa: Job offer from a licensed sponsor at the required skill and salary level; English requirement
  • Health and Care Worker visa: Eligible health and social care roles with a licensed sponsor
  • Global Talent visa: Endorsement as a leader or potential leader in a listed field

Official routes: UK Visas and Immigration (GOV.UK)

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