Software Development Engineer (US Federal)

Job description

Your 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 Team Your work matters here. At Workday Government, we focus on outcomes that serve a larger mission. Our work supports U.S. federal agencies as they modernize and transform the full employee lifecycle experience and finance operations—so they can operate with greater clarity, accountability, and trust. As a Fortune 500 company and a proven enterprise cloud platform, Workday brings modern technology, responsible AI, and secure infrastructure to some of the most complex environments in the world. The work isn’t theoretical. It’s operational. It’s high-impact. And it demands rigor, integrity, and long-term thinking. The Developer Portal team builds the UI for the Workday Build Platform, empowering our developer community to extend the value of Workday. Our work directly supports the growth of the platform — and the growth of Workday itself — as many features that require a UI come through our team. We are evolving into a platform enablement team, transitioning to support multiple micro-frontends, which means the technical challenges ahead are both meaningful and exciting. If you’re looking to apply your experience to meaningful, mission-driven work—alongside colleagues who take pride in building things that last—you’ll find that opportunity at Workday About the Role This role will support one or more direct or indirect contracts with the U.S. Federal Government which, due to federal government security requirements, mandates that all Workday personnel working on the contracts be United States citizens (naturalized or native). As a Developer Platform Engineer on the Developer Portal team, you will be responsible for new and existing features, along with the scalability and performance of the Workday developer platform and tools. You will partner closely with peers, product owners, and designers to plan, build, test, and deliver high-quality software that helps our developer community thrive. Responsibilities: Collaborate with peers, product owners, and designers Write clear, efficient, and scalable code with a focus on maintainability of which a majority is using the React library Participate in design and code reviews, contributing to the overall quality and consistency of the codebase Discover and troubleshoot issues within the existing architecture and codebase, identifying opportunities for improvement Polish, improve, and innovate on the existing codebase to keep it healthy and forward-looking Support release planning by evaluating the effort, risk, and priority of planned features in an agile environment Own and contribute to team productivity and process improvements This role will support one or more direct or indirect contracts with the U.S. Federal Government which, due to federal government security requirements, mandates that all Workday personnel working on the contracts be United States citizens (naturalized or native). About You This role may require a security clearance at the TS/SCI w/CI Poly level. Applicants must have the ability to obtain and maintain a U.S. government issued security clearance. An active TS/SCI w/CI Poly is preferred. You have: Experience with modern frontend frameworks such as React and related technologies Hands-on experience with cloud development technologies and platforms (AWS, Kubernetes, Helm) is a plus Familiarity with micro-frontend architecture or build tooling (Webpack 5) is a plus Experience with design systems or component libraries (such as Workday Canvas Kit or similar) is a plus Comfort navigating a large, mature codebase with multiple architectural layers and making consistent decisions across them You are a service owner who loves to code Basic Qualifications: 4 years of experience developing and maintaining modern web applications 4 years of proficiency in TypeScript/JavaScript, React, HTML, and CSS Bachelor's degree in Computer Science, Engineering, or equivalent practical experience Other Qualifications Preferred DoD 8570/8140 compliant with at least IAT Level II certification, including a current Computing Environment (CE) credential and one approved specialty certification (e.g., CompTIA CySA+, GICSP, CASP+) Software Development: A demonstrable record of taking design ideas to working software. You write clear, well-structured code across the full development lifecycle — from designing and programming to testing and maintaining applications — and understand how to build software that scales with a growing platform. Code Testing: Proficient in testing methodologies such as unit testing and integration testing, with hands-on experience using frameworks like Jest, React Testing Library, and Cypress. You understand the importance of testing complex, async, and multi-tenant UI and are comfortable writing tests that are reliable and free of race conditions. Design Patterns: Knowledge of common design patterns and when to use them. You apply principles such as encapsulation, inheritance, and abstraction to create flexible, reusable software components that improve code maintainability and support effective team collaboration. Observability & Operations: Experience with application observability practices, including error tracking tools (such as Sentry) for both client and server environments, metrics instrumentation (such as Prometheus-style libraries), and product analytics platforms (such as Mixpanel or equivalent) with an awareness of PII considerations. Familiarity with CI/CD pipeline ownership, including GitHub Actions, self-hosted runners, cloud-based deploy workflows (S3/CloudFront), and sourcemap management. Team Collaboration: You work cooperatively with engineers, product owners, and designers toward shared goals. You are comfortable working with product managers to clarify and refine requirements, participating in design discussions and code reviews, and contributing to a positive team environment. Source Control Management: Proficient with source control tools and workflows, including branching strategies, code merges, and continuous delivery pipelines. You help maintain the integrity of the codebase and enable productive collaboration across the team. Technical Writing Documentation: You value documentation as a deliverable and can create clear, concise technical documents that help the team and broader organization understand systems, processes, and decisions. Nice to haves: Experience with enterprise multi-tenant SaaS platforms and role/permission-based access patterns Internationalization (`i18n`) at scale — string extraction, compile-time pipelines, runtime locale switching ReactFlow or similar graph/diagram UI libraries AI/LLM integration experience (the codebase includes a Copilot/Dev Agent module using Flowise) Storybook component development and documentation Knowledge of OpenAPI/S