Senior Full-Stack Engineer (React/TypeScript & Java)

Ukg-6; Lowell (MA); Hybrid; USD 102,000 - 147,000; Full time

Job summary

UKG is seeking a Software Engineer III - Eng to join our Payroll team in Lowell, MA. You will design, develop, test, and maintain full stack web applications across React/TypeScript front end, Java back end, and database components, mentoring junior engineers and contributing to scalable solutions.

This hybrid role emphasizes collaboration with Product Management, UX, and external teams, with an emphasis on code quality, observability, automated testing, and DevOps practices in a secure,

Qualifications

• Bachelor’s degree in computer science, engineering, or related field, or equivalent practical experience.
• 6+ years of professional software development experience.
• Strong experience building full stack web applications with Java and React/TypeScript.
• Experience developing REST APIs and integrating them with front-end apps.
• Experience with SQL and NoSQL databases and cloud/DevOps basics.

Responsibilities

• Full stack development across React/TypeScript front end, Java services, REST APIs, and databases.
• Provide technical leadership, design reviews, and architectural input.
• Mentor junior engineers and contribute to best practices and testing.
• Manage features and projects with timely delivery and quality signals.
• Collaborate with Product, UX, and external teams to ensure quality.

Skills

Java

React/TypeScript

SQL

REST APIs

NoSQL databases

AI tools in dev

GitHub/Jira

Education

Bachelor's degree in CS or related field

Tools

JUnit

Selenium

Cucumber

React Testing Library

Job description

UKG is seeking a Software Engineer III - Eng to join our Payroll team in Lowell, MA. You will design, develop, test, and maintain full stack web applications across React/TypeScript front end, Java back end, and database components, mentoring junior engineers and contributing to scalable solutions.

This hybrid role emphasizes collaboration with Product Management, UX, and external teams, with an emphasis on code quality, observability, automated testing, and DevOps practices in a secure,