Mid / Senior Full Stack Software Engineer - (US Federal)

Engg; Reston (VA); On-site; USD 140,000 - 200,000; Full time

Job summary

Workday Government is seeking a Senior Software Development Engineer in IxP to support U.S. Federal Government contracts. Applicants must be U.S. citizens and able to obtain a security clearance; TS/SCI w/CI Poly is preferred.

On-site work in the DC/MD/VA DMV area may be required. You will collaborate with product, design, and research teams to deliver high‑security enterprise services. Ideal candidates will be strong individual contributors, mentor others, and balance rapid feature delivery

Qualifications

• 7+ years of professional software engineering experience designing, building, and deploying secure, high‑throughput systems.
• 4+ years backend development with Java or Kotlin (Spring Boot or similar) and service-oriented architectures.
• 3+ years of hands-on experience with TypeScript (browser or Node.js).

Responsibilities

• Write and maintain robust, efficient, and testable code using TypeScript, Kotlin, Python, Rust, and JVM frameworks.
• Design features with focus on scalability, performance, monitoring, security, usability, and quality.
• Own day-to-day operations of services you build, including on-call support with infra teams.
• Balance feature speed with reliability using well-defined SLOs to guide tradeoffs.
• Lead technical discussions and provide strategic technical influence within the team.
• Mentor others and drive improvements to product and CI/CD pipelines.

Skills

TypeScript

Kotlin

Python

Rust

Spring Boot

Webflux

Node.js

Express

React

Cypress

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. From day one, you’ll be part of a team that values collaboration, follow‑through, and doing the right thing—especially when the stakes are high. Our culture is grounded in integrity, respect, and shared responsibility. We challenge each other to think clearly, act thoughtfully, and build solutions that stand up to real‑world demands. Here, curiosity is matched with accountability. Ambition is paired with trust. You’ll have the space to do your best work, the support to keep growing, and the backing of a company committed to long‑term investment in both its people and the federal mission. We are a distributed team that builds cloud‑scale services that power the Workday home page and search experience for tens of millions of users across the world. We're on a mission to deliver a smart, personalized experience that helps people work more efficiently. We work across the full stack, from frontend to backend, and partner closely with infrastructure teams to keep our services healthy and performant for customers around the world. We use modern technologies, clean code, and automated testing to ensure long‑term success. If you're passionate about enhancing user experiences, thrive in a full‑stack environment, and take pride in high-quality, reliable code, join our dedicated, high‑performing team.

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). Employees may be required to be on site at client locations in the DC, MD, and VA (DMV) area. We're seeking driven problem solvers who thrive in a fast‑paced environment, delivering customer value quickly and making an impact. Ideal candidates will be exceptionally strong individual contributors, self‑starters who tackle complex problems, create innovative solutions, and mentor others. You'll collaborate with Product Managers, UX, design, and research to solve real user challenges for Workday's highest‑security US Federal customers. As a Senior Software Development Engineer in IxP, you will:

• Write and maintain robust, efficient, and testable code using top‑tier languages, frameworks, and tools—for example, TypeScript, Kotlin, Python, Rust, Spring, Webflux, Node.js, Express, React, and Cypress. This list is illustrative of the current stack, not a checklist every candidate must fully match.
• Support services and customers in specific high‑security airgapped environments from frontend to backend.
• Design and lead meaningful features with a strong focus on non‑functional requirements (scalability, performance, monitoring, maintenance, security, usability and quality, etc.).
• Own the day‑to‑day operations of services you build, including on‑call support, in close partnership with infrastructure and service teams.
• Balance feature delivery speed with system reliability, using well‑defined service‑level objectives (SLOs) to guide tradeoffs and prioritize work.
• Be a flexible teammate as part of a fast‑paced product development team.
• Provide technical influence within the team, with ability to lead technical & functional discussions.
• Suggest enhancements for the product and build pipelines.
• Operate as a self‑starter who can effectively manage numerous projects simultaneously, meet aggressive deadlines, and thrive in a multifaceted environment.
• You can expect a high‑profile position on a great team with many challenges and rewards.

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. Basic Qualifications - Sr. (P4) SDE: US Citizenship is required 7+ years of professional software engineering experience designing, building, and deploying secure, high-throughput enterprise systems with multi‑functional teams. 4+ years of hands‑on production experience developing backend services using Java or Kotlin (via Spring Boot or similar JVM frameworks) and 3+ years using TypeScript (browser or Node.js). 3+ year