Sr Software Development Engineer
Why UKG:
At UKG, the work you do matters. The code you ship, the decisions you make, and the care you show a customer all add up to real impact. Today, tens of millions of workers start and end their days with our workforce operating platform. Helping people get paid, grow in their careers, and shape the future of their industries. That’s what we do.
We never stop learning. We never stop challenging the norm. We push for better, and we celebrate the wins along the way. Here, you’ll get flexibility that’s real, benefits you can count on, and a team that succeeds together. Because at UKG, your work matters—and so do you.
IT Software Engineering 3 – Full Stack Developer (P3)
Role Overview
As an IT Software Engineer 3 (P3) at UKG, you will play a key role in building and scaling enterprise-grade applications that power internal platforms and employee-facing experiences. This role requires strong full stack expertise, with a focus on modern frontend technologies, cloud-native development on GCP, and microservices-based architectures.
You will also leverage emerging AI-assisted development tools (e.g., Codex, Claude Code) to accelerate delivery and improve engineering efficiency.
Key Responsibilities
Design and develop full stack applications for UKG internal platforms
Build modern, responsive UIs using React and Next.js
Develop microservices and REST APIs using scalable backend frameworks
Containerize applications using Docker and support cloud-native deployments
Build and operate solutions on GCP (Cloud Run, GKE, Pub/Sub, Cloud Functions, etc.)
Collaborate with cross-functional teams to deliver high-quality solutions
Apply best practices for scalability, security, and performance
Leverage AI coding tools (Codex, Claude Code, Copilot) to improve productivity
Contribute to CI/CD pipelines, automated testing, and release processes
Monitor and support production systems, ensuring reliability and observability.
Required Qualifications
4–7 years of experience in full stack software engineering
Strong experience with:
Frontend: React.js, Next.js, JavaScript (ES6+), HTML, CSS
Backend: Node.js / Python / Java (at least one)
Experience building microservices and REST APIs
Hands-on experience with Docker (containerization)
Experience with GCP services (Cloud Run, Pub/Sub, etc.)
Familiarity with databases (PostgreSQL, NoSQL)
Exposure to AI-assisted development tools
Understanding of CI/CD and DevOps practices
Preferred Qualifications
Exposure to Kubernetes (GKE) and container orchestration concepts
Knowledge of event-driven architecture and messaging systems
Experience with infrastructure as code (Terraform or similar)
Familiarity with observability tools (logging, monitoring, tracing)
Exposure to enterprise platforms (ServiceNow, HR/Finance systems)
What Success Looks Like
Delivering scalable, cloud-native full stack applications
Building intuitive and high-performance UI experiences
Contributing to modern engineering practices across teams
Effectively using AI tools to accelerate development
Company Overview:
UKG is the Workforce Operating Platform that puts workforce understanding to work. With the world's largest collection of workforce insights, and people-first AI, our ability to reveal unseen ways to build trust, amplify productivity, and empower talent, is unmatched. It's this expertise that equips our customers with the intelligence to solve any challenge in any industry — because great organizations know their workforce is their competitive edge. Learn more at ukg.com.
UKG is proud to be an equal opportunity employer and is committed to promoting diversity and inclusion in the workplace, including the recruitment process.
Disability Accommodation in the Application and Interview Process
For individuals with disabilities that need additional assistance at any point in the application and interview process, please email UKGCareers@ukg.com
It is the policy of Ultimate Software to promote and assure equal employment opportunity for all current and prospective Peeps without regard to race, color, religion, sex, age, disability, marital status, familial status, sexual orientation, pregnancy, genetic information, gender identity, gender expression, national origin, ancestry, citizenship status, veteran status, and any other legally protected status entitled to protection under federal, state, or local anti-discrimination laws. This policy governs all matters related to recruitment, advertising, and initial selection of employment. It shall also apply to all other aspects of employment, including, but not limited to, compensation, promotion, demotion, transfer, lay-offs, terminations, leave of absence, and training opportunities.