Java Developer IV

Planet Group; Madison (WI); Remote; USD 76,000 - 83,000; Part time

Job summary

Planet Group is seeking a highly skilled Senior Java Developer to join our team for a 7-month contract. You will craft robust backend in Java (8–21) with Spring Boot, Kafka, Redis, and REST APIs, while also building Angular front-ends.

This role is 99% remote within Wisconsin, with standard business hours (8a–5p). Strong collaboration with analysts and QA, emphasis on code quality, testing, and modern CI/CD practices. DOE and competitive hourly pay between $55 and $60.

Qualifications

• Strong proficiency in Java, Spring Framework (Spring Boot), Hibernate/JPA and messaging queues.
• Advanced skills in Angular (21), Typescript, HTML5, and CSS3.
• Experience designing, creating, and documenting RESTful APIs using Spring Boot and OpenAPI.

Responsibilities

• Develop and maintain Java (8 to 21) backend applications with high performance and scalability.
• Collaborate with cross-functional teams to gather and implement requirements.
• Create and maintain RESTful APIs for frontend-backend integration.
• Develop Angular-based front-end interfaces with accessibility focus.
• Ensure code quality through reviews, testing, and CI/CD practices.
• Troubleshoot and resolve issues to maintain reliability.

Skills

Java

Spring Boot

Hibernate/JPA

Angular

Kafka

Redis

CI/CD

REST APIs

OpenAPI

Docker

Kubernetes

Typescript

HTML5

CSS3

ADA/WCAG

Tools

Kafka

Redis

BOOMI

Docker

Kubernetes

Playwright

OpenAPI

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.