Senior Software Development Engineer In Product EngineeringYour work days are brighter here.We're obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we're shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you'll feel it.
Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We're in this together, tackling big challenges with bold ideas and genuine care.
We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you'll do meaningful work with Workmates who've got your back. In return, we'll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul.
So, if you want to inspire a brighter work day for everyone, including yourself, you've found a match in Workday, and we hope to be a match for you too.About The RoleAs a Senior Software Development Engineer in Product Engineering, you will be a technical leader in designing and delivering high?throughput, low?latency APIs and frameworks that support Workday's next generation of products and agents. You will shape API design, drive performance and observability improvements, and coach and grow future senior engineers across the team.You will:Lead design and implementation of APIs and platform features used by Product Engineering teams.Champion consistent API standards, patterns, and tooling that align with cross?org guidance while solving concrete product needs.Help Product Engineering teams expose capabilities via REST, GraphQL, and emerging integration patterns in a way that is friendly to agents and external consumers.About YouBasic Qualifications8+ years experience in software development engineering, architecting, building, and scaling robust and efficient software systems.5+ years of hands?on experience with TypeScript or Python and strong OO/functional design skills.4+ years of experience building and operating web service APIs (ex: REST/SOAP/GraphQL) at scale.Bachelor's degree in Computer Science, Engineering, or related discipline, or equivalent practical experience.Other QualificationsStrong ability in Algorithmic Thinking, including advanced data structures and algorithms such as graphs, concurrent data structures, and caching/eviction strategies, to design and optimize solutions for complex API orchestration, request routing, and high-throughput workloads.Solid experience with API Development, including REST, SOAP, and GraphQL, OpenAPI/Swagger-driven design, and experience in designing and building scalable, secure APIs and API integration patterns.Strong understanding of Code Testing methodologies, such as contract testing, performance testing, and system/integration testing, and experience with advanced testing tools or frameworks (e.g., JUnit, ScalaTest, Postman, Mockito, and coverage tools such as Jacoco or Scoverage).Strong understanding of Object-Oriented Design (OOD) principles like SOLID, domain-driven design concepts, and common architectural patterns (e.g., layered architecture, hexagonal architecture) and their application in designing scalable software architectures.Solid experience with Source Control Management (SCM) tools such as Git and advanced branching and merging strategies across multiple teams or services.Proven ability to lead Team Collaboration within a software development team and mentor junior and mid-level engineers through design reviews, technical guidance, and knowledge sharing.Strong skills in creating Technical Writing Documentation for comprehensive technical specifications, design documents, RFCs, and API and integration best-practice guides.Experience leveraging AI?assisted code generation and review tools (e.g., Cursor, Claude Code, GitHub Copilot) to improve development speed and quality.Exposure to MCP or similar models is a strong plus.