Senior Software Development Engineer, Workday

• 8+ years of software engineering experience, with demonstrated senior-level ownership of complex production systems
• 8+ years of experience in JVM-based backend development (Java or Kotlin), with proficiency in the Spring Boot framework
• 8+ years of proficiency in TypeScript/JavaScript, including experience with React
• 5+ years developing RESTful APIs and manage complex third-party API integrations
• 5+ years with hands-on experience deploying and operating production services in a cloud-native environment
• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
• AI & Agentic Systems: Familiarity with large language model integration strategies, such as OpenAI-compatible APIs, data streaming, and tool/function calling. You understand agentic architectures and the Model Context Protocol (MCP) as a producer or consumer
• Agentic Coding Tools: Hands on experience with AI coding agents such as Cursor, Claude Code, Windsurf, or Cline
• Backend API Development: You are comfortable implementing real-time streaming (SSE/WebSockets) and OpenAI-compatible endpoints
• Frontend & React: Proficiency in modern frontend technologies including React, HTML, and CSS to deliver high-quality developer-facing interfaces
• Code Quality & Testing: A strong commitment to testing methodologies using frameworks like Jest, React Testing Library, JUnit, Cypress, & similar. You are capable of authoring stable, reliable tests for asynchronous logic and multi-turn AI interaction patterns
• Observability & Operations: Background in application observability, including error tracking , metrics instrumentation, and product analytics. Familiarity with managing CI/CD workflows via GitHub Actions, Jenkins, or other cloud deployment pipelines, and extension publishing environments like the VS Code Marketplace

Desirable

• As a Senior Full Stack Engineer on the Developer Agent team, you will design and build core platform capabilities that advance Workday toward more AI powered agentic developer experiences and workflows
• You will deliver high-impact technical work, contribute to architecture and API/SDK design, and collaborate across product and engineering teams to ship reliable, scalable services and tools consumed by external developers
• Collaborate closely with principal engineers, product managers, and cross-functional teams to translate high level requirements into well-scoped, executable engineering work
• Uphold API governance and engineering best practices within your team, including versioning, backward compatibility, and security standards for public-facing surfaces
• Mentor junior and mid-level engineers through code review, design feedback, and pairing, and help raise the technical bar on the team
• Participate in architectural discussions and contribute to build-vs-integrate decisions for platform components, with grounding in real-world tradeoffs of scale and maintainability
• Write clear technical documentation for your features and contribute to internal engineering knowledge bases