Senior Full Stack Developer (Java/React)

We are hiring a Senior Full Stack Developer (Java/React) to join our team onsite in Milwaukee, Wisconsin.
Responsibilities

• Design, develop, and maintain scalable full-stack applications using Java (Spring Boot) on the backend and React on the frontend
• Lead development efforts for customer-facing digital portals with a strong focus on performance, security, and user experience
• Collaborate closely with product owners, designers, QA, and business stakeholders in an Agile environment
• Build and integrate RESTful APIs and backend services to support complex business workflows
• Drive UI/UX improvements including portal reskins, navigation updates, and enhanced user journeys
• Contribute to large-scale initiatives such as authentication, registration, and login experience redesigns
• Participate in code reviews, architectural discussions, and technical decision-making
• Troubleshoot, debug, and resolve production issues while ensuring high system reliability
• Mentor junior developers and promote best practices across the development team

Qualifications

• 8+ years of professional experience as a Full Stack Developer
• Strong expertise in Java with Spring Boot
• Advanced experience with JavaScript and modern frontend frameworks, specifically React
• Experience designing and consuming RESTful APIs and system integrations
• Strong knowledge of relational databases such as SQL and PostgreSQL
• Ability to work onsite in Milwaukee, Wisconsin

Job Type & Location
This is a Contract position based out of Milwaukee, WI.
Pay and Benefits
The pay range for this position is $60.00 - $70.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Milwaukee,WI.
Application Deadline
This position is anticipated to close on Mar 4, 2026.
>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.