> Markdown version of [/jobs/ext/4559031-software-engineer-builder-platform](https://www.wearedevelopers.com/jobs/ext/4559031-software-engineer-builder-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Builder Platform - **Company:** Temporal Technologies Inc. - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Cloud Computing, Cloud Database, Programming Tools, Github, Python (Programming Language), Open Source Technology, TypeScript, AI Infrastructure, Large Language Models, Claude Code, Agentic-AI, Software Version Control, Programming Languages - **Published:** November 4, 2026 - **Apply:** https://startup.jobs/senior-software-engineer-builder-platform-temporal-io-10656853 ## About the Role * Strong software engineering fundamentals and experience shipping and operating production-quality internal platforms or developer tooling. * Experience leveraging modern agentic coding tools such as Codex and Claude Code. * Proficiency in one or more programming languages commonly used at Temporal, such as Go, TypeScript/JavaScript, Python, or Java. * Experience building workflow automation or internal tools (CLI tools, services, GitHub automation, cloud automation, or similar). * Strong judgment about when to standardize versus when to enable flexibility, and how to remove friction without compromising reliability. * Comfort working cross-functionally, including partnering with non-traditional developers and translating needs into usable solutions. * Ability to use data and qualitative feedback together to prioritize and measure impact. * Clear written communication, including documentation that enables self-service. Nice to Haves * Experience building internal agents and operating an agent platform * Experience building and operating Temporal applications. ## Description * Develop and operate our Agent Platform for deploying, running, evaluating, governing, and improving agents and agentic workflows. * Establish and operate the AI Infrastructure that agents depend on: LLM and MCP gateways with guardrails, fallback, usage and cost controls, and model rollout policies. * Build and operate agents and workflows that carry engineering work from issue to production and business work from trigger to outcome, with humans governing the boundaries. * Own our Developer Infrastructure (Source Control and CI) and build the developer tools that improve builder flow and reduce friction across the company. * Partner with teams across Engineering, Product, Sales, and G&A to understand where AI could accelerate their work or improve the quality of outcomes. * Drive adoption of agents and agentic tooling across the company, and own the best practices and enablement materials that help builders succeed using the paved roads. * Build measurement and feedback loops (usage, reliability, and cost) to quantify the productivity the platform unlocks and guide the roadmap. * Treat Temporal as customer zero: turn what we learn into validated requirements for Temporal Cloud, the SDKs, and our Agent Harness, and contribute to an open-source reference architecture that customer platform teams can adopt. * Participate in on-call to support internal users.