Staff Software Engineer: Agentic Systems Architect

Coder; United States; Remote; USD 180,000 - 260,000; Full time

Job summary

Coder is seeking a Staff Software Engineer for its Agentic Engineering team to shape the systems behind our agentic development experience. You will stay hands-on while setting technical direction and leading complex work across agent harnesses, integrations, and workflows that connect agents with real development environments.

In this role you will design production systems in Go, collaborate across React and TypeScript, and drive improvements to agent execution, context management, and

Qualifications

• Deep experience building and operating production software systems.
• 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.

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

Distributed systems

AWS

LLMs

Architectural judgment

Mentorship

Agentic workflows

Tools

Postgres

Kubernetes

Docker

GitHub Actions

Job description

Coder is seeking a Staff Software Engineer for its Agentic Engineering team to shape the systems behind our agentic development experience. You will stay hands-on while setting technical direction and leading complex work across agent harnesses, integrations, and workflows that connect agents with real development environments.

In this role you will design production systems in Go, collaborate across React and TypeScript, and drive improvements to agent execution, context management, and