> Markdown version of [/jobs/ext/4619362-senior-software-engineer-application-platform](https://www.wearedevelopers.com/jobs/ext/4619362-senior-software-engineer-application-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). --- # Senior Software Engineer - Application Platform - **Company:** Guidewire Inc - **Location:** San Mateo, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Computing Platforms, Distributed Systems, Python (Programming Language), Software Engineering, TypeScript, AI Coding Agents, Backend, Agentic-AI, Kubernetes, Front End Software Development, Api Design, Guidewire, Microservices - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_80e7892fe6feccf31a577bdbde8cfc35 ## About the Role * 5+ years of experience in backend software engineering, with a solid track record in system design and building platform services. * Experience with coding agents and automation tools. * Strong proficiency in one of Java, JavaScript, TypeScript, Python, with ability to adjust to other languages. * Experience building APIs, microservices, and distributed systems. * Strong collaboration and communication skills. * Experience with Kubernetes and infrastructure as code. ## Description * Contribute to the design, development, and maintenance of Guidewire's application platform, primarily focusing on backend services but with flexibility to occasionally work with infrastructure and frontend. * Apply agentic coding tools and support Guidewire's effort to dramatically accelerate development. * Engineer for quality, scalability, availability, and security in every aspect of the platform. * Collaborate with cross-functional teams to deliver secure, scalable, and efficient platform operations, supporting Guidewire's mission of operational excellence and transformative innovation. * Support and mentor junior engineers, contributing to a culture of continuous improvement and technical excellence.