Join Coder as a Senior Software Engineer to build and enhance systems for agentic development experiences.
Posted by employer 2 months ago
First seen on Joblaze 5 hours ago
Last verified on the company career page 5 hours ago
Skills & Technologies
What you'll build
- Design and build production systems in Go
- Improve agent execution and workflows
- Extend provider-agnostic architecture
- Build reliable integrations between agents and tools
- Contribute to design and code reviews
Must have
- Strong experience building production software systems
- Hands-on experience with Go
- Experience with React and TypeScript
- Good understanding of distributed systems
Nice to have
- Experience building coding agents or developer tools
- Experience with MCP or multi-agent systems
- Experience with remote execution or sandboxing
- Open-source contributions
AI in the day-to-day
Coder embraces AI tools for recruitment and assessment but does not allow AI assistance during conversational interviews.
Not disclosed in this posting: compensation, years of experience, work arrangement, visa sponsorship.
Joblaze summary
In this role, a Senior Software Engineer at Coder focuses on developing and enhancing systems that facilitate agentic development experiences, tackling complex technical challenges daily. Proficiency in Go is essential, along with experience in React and TypeScript, as the engineer will work on production systems and integrations. This position is ideal for someone with a strong background in building reliable software systems and a solid understanding of distributed architectures. Coder's team emphasizes collaboration across disciplines, contributing to a robust engineering culture.
Joblaze insights
- Listed today — first seen on Joblaze November 8, 2026. Last confirmed on Coder's careers page November 8, 2026.
- This exact title is also open at 1 other location at Coder: United Kingdom.
- Kubernetes appears in 34.1% of 44 comparable senior backend roles in United Kingdom; Linux appears in 2.3% of 44 comparable senior backend roles in United Kingdom.
Quick facts
- What's the tech stack?
- Joblaze extracted these technologies from the posting: AWS, Docker, Go, Kubernetes, Linux, PostgreSQL.
- What seniority level is this role?
- Coder targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Software Engineer (Multiple Teams, Europe) role at Coder.
From the original posting
As a Senior Software Engineer on Coder’s Engineering team, you’ll build and evolve 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, solve complex technical problems, and work closely with Product, Design, and other engineers to ship reliable agentic experiences.
What you’ll do here
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.
What we’re looking for
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.
Someone who contributes beyond their own code through reviews, collaboration, and knowledge sharing.
Bonus tacos if you 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.
Our tech stack
Backend: Go, Postgres
Frontend: TypeScript, React
Infrastructure: AWS, Kubernetes
Observability: Prometheus, Grafana
CI/CD: GitHub Actions
Coder’s agentic architecture is provider-agnostic. The foundation is built; this role helps extend it, improve it, and ship the next set of agentic capabilities.
Ashby and Brainerr help 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.
Standard company text repeated across Coder's postings is omitted here.