Java Developer

ManpowerGroup; Madison (WI); Hybrid; USD 83,000 - 124,000; Full time

Job summary

ManpowerGroup is seeking a Java Developer IV to join our team in Madison, WI. This W-2 contract role focuses on building robust backend services with Java and Spring Boot, plus Angular front-ends.

The position emphasizes scalable architecture, performance, and accessibility across a full software development lifecycle.

Qualifications

• 8+ years with Java (8–21) and Spring Framework/Spring Boot.
• 8+ years in web applications development and REST API development.
• 5+ years in messaging queues and caching (Kafka/Redis).
• 5+ years working with Angular (21) frontend components.
• 8+ years with Oracle databases; 5+ years using JUnit and Playwright for testing.

Responsibilities

• Develop and maintain Java (8 to 21) backend applications for high performance, scalability, and reliability.
• Build and maintain Spring Boot services, including RESTful APIs that integrate frontend and backend systems.
• Implement and support messaging queue and caching solutions using Kafka, Redis, or equivalent technologies.
• Develop and maintain Angular (21) user interfaces with a focus on responsiveness, usability, and ADA/WCAG compliance.
• Participate in the full software development lifecycle, including requirements gathering, design, coding, testing, code reviews, and deployment.

Skills

Java

Spring Boot

Web development

REST APIs

Angular

Testing

Tools

Kafka

Redis

Job description

Our client, a public sector organization, is seeking a Java Developer IV to join their team. As a Java Developer IV, you will be part of the application development unit supporting delivery of robust, scalable software solutions. The ideal candidate will have strong problem-solving skills, a collaborative mindset, and a commitment to quality engineering practices that will align successfully in the organization.

Job Title: Java Developer IV

Location: Madison, WI (Onsite required for interviews; 100% remote possible from within the Madison area, with availability to come into the office if needed)

Duration: 9+ months with highly possible extension / conversion

Employment Type: W-2 Contract. Candidates must be authorized to work in the United States

What's the Job?

• Develop and maintain Java (8 to 21) backend applications, ensuring high performance, scalability, and reliability.

• Build and maintain Spring Boot services, including RESTful APIs that integrate frontend and backend systems.

• Implement and support messaging queue and caching solutions using Kafka, Redis, or equivalent technologies.

• Develop and maintain Angular (21) user interfaces with a focus on responsiveness, usability, and ADA/WCAG compliance.

• Participate in the full software development lifecycle, including requirements gathering, design, coding, testing, code reviews, and deployment.

What's Needed?

• 8+ years working with Java (8 to 21) and Spring Framework/Spring Boot.

• 8+ years in web applications development, web services, and REST API development.

• 5+ years in messaging queues and caching, including Kafka and Redis (or equivalent tools).

• 5+ years working with Angular 21, including building maintainable front-end components.

• 8+ years working with relational databases such as Oracle, plus 5+ years using JUnit and Playwright for testing.

ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.