Java Developer IV

The Planet Group

Job Posting

Location: Madison, Wisconsin

Country: United States

Category: Software Development

Workplace

Location

Onsite

Employment Type: Contract

Posted Date: November 4, 2026

Job ID: 653542

Job Description

Job Title: Java Developer IV

Location: 99% remote within Wisconsin

Contract length: 7 months

Schedule: 40 hrs; 8a to 5p

Pay: $55/hr to $60/hr, DOE Job Overview:

We are seeking a highly skilled and experienced Senior Java Developer with strong hands-on expertise in Java, Spring framework/Spring Boot, Messaging Queues, Caching and Angular to join our dynamic team. The ideal candidate will develop and maintain robust, scalable, and high-performance applications seamlessly integrating Java-based backend systems with Angular-based frontends. This role requires a proactive problem solver who thrives in a collaborative, fast-paced environment.

Key Responsibilities

• Develop and maintain Java (8 to 21)-based backend applications, ensuring high performance and scalability.
• Unit test and code coverage using Junit.
• Good working experience using Spring Boot, messaging queues, and caching and having good experience using Kafka, Redis, and/or equivalent tools.
• Develop and maintain Angular(21)-based front-end user interfaces with a focus on responsiveness, usability, and ADA/WCAG compliance.
• Unit tests using PlayWright.
• Collaborate with cross-functional teams, including business analysts, and APM/QA engineers, to gather and implement requirements.
• Create and maintain RESTful APIs for seamless integration between frontend and backend systems.
• Troubleshoot and resolve technical issues, ensuring system reliability and robustness.
• Stay up to date with industry trends, emerging technologies, and best practices in Java and Angular development.
• Have good experience doing code reviews and contribute to code quality and standards to ensure high-quality product delivery.
• Participate in the full software development lifecycle, including requirements gathering, design, coding, testing, and deployment.
• Experience using AI (Prompts/Skills/MCP) to speed up the development process.

Required Skills

• Strong proficiency in Java, Spring Framework (Spring Boot), Hibernate/JPA, message queuing, and caching.

• Advanced skills in Angular (21), Typescript, HTML5, and CSS3.

• Experience designing, creating, and documenting RESTful APIs using Spring Boot and OpenAPI

• Practical knowledge of, and experience with, various middleware platforms like Apache Kafka, Redis, and BOOMI.

• Familiarity with CI/CD pipelines, deployment automation, and dynamic environment configuration.

• Experience developing wire frames and mock-ups as a tool to communicate design concepts with stakeholders.

• Strong knowledge of relational databases.

• Familiarity with cloud platforms like AWS, Azure, and Google Cloud.

• Excellent problem-solving and analytical skills.

• Strong verbal and written communication skills.

• Proven ability to work both independently and collaboratively in a team environment.

• Knowledge of containerization and orchestration tools like Docker and Kubernetes.

• Familiarity with Agile/Scrum, iterative, and waterfall development methodologies.

• EEO Statement

• The staffing industry has seen an increase in people falsely representing themselves as recruiters to gather personal information from job seekers. For your safety, do not provide sensitive data to anyone you have not spoken with thoroughly, never provide banking information during the application process, and always double check the email address of the Recruiter to ensure it’s from an official Planet domain (@theplanetgroup.com or @launchcg.com) - and not a domain with an alternative extension like .net, .org, or or .jobs.

• The Planet Group and our companies are equal opportunity employers. It is our practice not to discriminate against any employee or applicant based on any criteria, condition or basis protected by laws or regulations in the locations where we do business. All qualified applicants are encouraged to apply. We celebrate diversity and are committed to providing an environment of mutual respect. We believe that diversity, equity, and inclusion enable us to better meet our mission and values while serving our clients across the globe. If you have a disability or handicap and would like us to accommodate you in any reasonable way, please inform your recruiter, or contact us, so that we can discuss the appropriate alternatives available.

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• About The Planet Group

• The Planet Group is a global professional services firm delivering strategic staffing and advisory solutions. We operate at the intersection of talent and transformation – connecting the right people with the right opportunities in the areas of technology, engineering, accounting & finance, digital marketing, and manufacturing.

• As one of the largest staffing companies in the US, we operate with a global reach and a performance-first mindset. We partner with clients to move fast, stay agile, and drive measurable results – building high-impact teams that fuel transformation and growth.