Software Engineer III- Eng

Socket.dev; Lowell (MI); On-site; USD 102,000 - 147,000; Full time

Job summary

UKG is seeking a Software Engineer III to join the Payroll team. This senior full-stack role leads projects and builds enterprise-grade web applications across React/TypeScript, Java REST APIs, and databases.

You will mentor junior engineers, design, develop, test, deploy, and maintain solutions, and collaborate with product, UX, and external teams to ensure high-quality results. Experience with cloud and DevOps is expected.

Qualifications

• Bachelor’s degree in computer science, engineering, or a related technical field, or equivalent practical experience.
• Minimum of six years of professional software development experience.
• Strong experience building full stack web applications.
• Strong proficiency in Java, React/TypeScript and SQL.
• Experience developing REST APIs and integrating them with front-end applications.
• Experience with SQL and NoSQL databases.
• Experience leveraging AI tools in software development (Claude, Copilot or Windsurf).
• Proficiency with GitHub and Jira.
• Knowledge of cloud technologies and DevOps.
• Experience with automated testing (JUnit, React Testing Library, Selenium, Cucumber).
• Excellent communication and interpersonal skills.

Responsibilities

• Full Stack Development: Write clean, maintainable, test and efficient code across React and TypeScript user interfaces, Java services and REST APIs, and database components.
• Technical Leadership: Contribute to the design, development, and deployment of complex software applications while ensuring high standards of quality and performance.
• Project Management: Manage the execution and delivery of features and projects, negotiate priorities and deadlines, and ensure timely, high-quality completion.
• Architectural Design: Participate in design reviews and the architectural design of front-end, backend, and data solutions while ensuring scalability, reliability, and maintainability.
• Code Review: Review code from other developers, provide feedback, and maintain a high bar for technical excellence, maintainability, observability, and automated testing.
• Testing: Build testable software and automate unit, integration, API, and end-to-end tests using tools such as JUnit, React Testing Library, Cucumber, or Selenium.
• Service Health and Quality: Maintain the health and quality of applications and services, proactively identify and resolve issues, and use telemetry to optimize performance and prevent recurring incidents.
• DevOps Model: Take ownership from requirements and design through development, testing, deployment, monitoring, and production support.
• Documentation: Document new features, enhancements, and fixes, contribute to training materials, and share knowledge with the team.
• Collaboration: Work with engineers, Product Management, UX, and external teams to ensure the integrity and quality of the complete solution.

Skills

Full stack development

Java

React/TypeScript

SQL

REST APIs

AI tools in development

GitHub

Cloud & DevOps

Testing (JUnit, Selenium, Cucumber)

Communication

Education

Bachelor's degree in CS/Engineering

Tools

JUnit

React Testing Library

Cucumber

Selenium

GitHub

Jira

Cloud platforms (Azure/AWS/GCP)

Job description

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.

About the Team:

We are members of the Payroll team. Our team of full stack engineers is a welcoming and supportive group where every member is committed to helping one another succeed. We build modern SaaS web applications using React and TypeScript, Java based REST APIs, and SQL and NoSQL databases. We celebrate diversity in backgrounds, experiences, and perspectives, which strengthens our collaboration and creativity. Team members readily share knowledge, offer guidance, and encourage open communication.

About the Role:

We are looking for a Software Engineer III - Eng to join our dynamic Payroll team. This senior full stack role provides an opportunity to lead projects and contribute to high-impact software solutions used by enterprises and users worldwide. You will be responsible for the design, development, testing, deployment, and maintenance of complex web applications across the front end, backend, and database layers. You will also mentor junior engineers and contribute to the technical foundation of our flagship products and services.

Responsibilities:

• Full Stack Development: Write clean, maintainable, test and efficient code across React and TypeScript user interfaces, Java services and REST APIs, and database components.
• Technical Leadership: Contribute to the design, development, and deployment of complex software applications while ensuring high standards of quality and performance.
• Project Management: Manage the execution and delivery of features and projects, negotiate priorities and deadlines, and ensure timely, high-quality completion.
• Architectural Design: Participate in design reviews and the architectural design of front-end, backend, and data solutions while ensuring scalability, reliability, and maintainability.
• Code Review: Review code from other developers, provide feedback, and maintain a high bar for technical excellence, maintainability, observability, and automated testing.
• Testing: Build testable software and automate unit, integration, API, and end-to-end tests using tools such as JUnit, React Testing Library, Cucumber, or Selenium.
• Service Health and Quality: Maintain the health and quality of applications and services, proactively identify and resolve issues, and use telemetry to optimize performance and prevent recurring incidents.
• DevOps Model: Take ownership from requirements and design through development, testing, deployment, monitoring, and production support.
• Documentation: Document new features, enhancements, and fixes, contribute to training materials, and share knowledge with the team.
• Collaboration: Work with engineers, Product Management, UX, and external teams to ensure the integrity and quality of the complete solution.

About You,

Minimum Qualifications:

• Bachelor’s degree in computer science, engineering, or a related technical field, or equivalent practical experience.
• Minimum of six years of professional software development experience.
• Strong experience building full stack web applications.
• Strong proficiency in Java, React/TypeScript and SQL.
• Experience developing REST APIs and integrating them with front-end applications.
• Demonstrated experience working with SQL and NoSQL databases.
• Extensive knowledge of software development practices and design patterns.
• Experience leveraging AI tools in software development (Claude, Copilot or Windsurf).
• Proficiency with version control systems such as GitHub and work-tracking systems such as Jira.
• Solid understanding of cloud technologies and DevOps principles.
• Experience with automated unit, integration, and end-to-end testing (JUnit, React Testing Library, Selenium, Cucumber).
• Excellent communication and interpersonal skills.

Preferred Qualifications:

• Experience with Azure, AWS, or Google Cloud Platform.
• Familiarity with CI/CD tools such as Jenkins, TeamCity or GitHub Actions.
• Experience with front-end, backend, and API test automation tools.
• Knowledge of Agile development methodologies.
• Familiarity with developing accessible and internationalized web applications.
• Familiarity with AI spec-driven development (Spec Kit).
• Experience mentoring engineers or providing technical leadership.
• Dedication to supporting diversity and inclusion initiatives.

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.

Equal Opportunity Employer

UKG is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, disability, religion, sex, age, national origin, veteran status, genetic information, and other legally protected categories.

View The EEO Know Your Rights poster

UKG participates in E-Verify. View the E-Verify posters here.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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 [e-mail].

The pay range for this position is $102,300 to $147,050. The actual base pay offered may vary depending on skills, experience, job-related knowledge and work location. In addition to base pay, employees may be eligible to participate in a performance-based bonus plan and to receive restricted stock unit awards as part of total compensation. Learn more about UKG’s benefits and rewards at https://www.ukg.com/about-us/careers/benefits