Java Developer - DOJ

IO Datasphere, Inc.; Auvergne-Rhône-Alpes; Remote; EUR 107,000 - 151,000; Full time

Job summary

IO Datasphere, Inc. seeks a highly skilled Senior Java Developer to join a dynamic team. You will develop and maintain robust Java backend systems with Spring, integrate via REST APIs, and build Angular front-ends with accessibility in mind.

The role requires extensive experience in Java (8–21), Spring Boot, Kafka, Redis, and modern frontend tech (Angular, TypeScript). Collaboration across teams and strong problem-solving are essential.

Qualifications

• Experience developing wire frames and mock-ups for stakeholders.
• Familiar with cloud platforms (AWS, Azure, Google Cloud).
• Proactive, analytical problem solver in a fast-paced environment.
• Strong written and verbal communication skills.
• Able to work independently and in a team.
• Knowledge of containerization and orchestration (Docker/Kubernetes).
• Familiar with Agile/Scrum, Iterative and Waterfall methods.

Responsibilities

• Develop and maintain Java-based backend apps for high performance and scalability.
• Unit test and ensure code coverage with JUnit.
• Work with Spring Boot, messaging queues, caching; Kafka/Redis experience.
• Develop Angular front-ends with responsive, ADA/WCAG compliant UI.
• Unit tests using Playwright.
• Collaborate with cross‑functional teams to gather requirements.
• Create and maintain RESTful APIs for frontend-backend integration.
• Troubleshoot issues to ensure reliability and robustness.
• Stay updated on Java/Angular trends and best practices.
• Contribute to code reviews and coding standards.
• Participate in full SDLC from requirements to deployment.
• Leverage AI prompts/skills/MCP to speed up development.

Skills

Java

Spring Framework

Angular

TypeScript

HTML5

CSS3

Hibernate/JPA

REST APIs

Messaging Queues

Caching

Kafka

Redis

JUnit

Playwright

AI Prompts

SCRUM

Oracle

Docker

Kubernetes

Azure DevOps

Dynatrace

Dell Boomi

Education

Bachelor's Degree

Tools

AWS

Azure

Google Cloud

Docker

Kubernetes

Job description

Job No: 10609WI
Position Java Developer Client Name Wisconsin Department of Justice (DOJ) Requisition 167610 Location Madison, WI Duration 1 year Due Date 11/10/2026 C2C Possible Yes. Rate depends on experience Interview Method Two rounds, both in-person
NOTE: Candidate MUST be a resident local to Madison or near the Madison office, or willing to relocate to Madison prior to starting the role at their own expense. Position is 100% remote from within the Madison area but must be available to come into the office if needed. Candidates MUST be available for both in-person interviews, even if out of State. No exceptions. We can accept H1b, H4, TN and other valid work visas for IT. However we cannot accept OPT or CPT visas at this time.

Description

Our client is looking for 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 client's 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.

Tasks

• 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, 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 development process.

Knowledge, Skills And Abilities Required

• Experience developing wire frames and mock-ups as a tool to communicate design concepts with stakeholders.
• Familiarity with cloud platforms like AWS, Azure, Google Cloud.
• Proactive problem solver who thrives in a collaborative, fast-paced environment.
• 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

Skills Required

• 8+ years - Experience working with Java (8 to 21) and spring framework/spring boot
• 8+ years - Experience in web applications development, web services, REST API, and etc.
• 5+ years - Experience with messaging Queues and Caching and related tools like Kafka and Redis
• 5+ years - Experience working in Angular 21
• 8+ years - Experience working in Relational databases like Oracle
• 5+ years - Experience using Junit and Playwright.
• 1+ years - Experience with AI - Prompts/Skills/MCP
• 5+ years - Experience working in SCRUM teams.
• Advanced skills in Typescript, HTML5, and CSS3.
• Strong proficiency in Hibernate/JPA, Message queuing, and caching.
• Bachelor's Degree (Provide Information in Resume)

Skills Desired

• 5+ years - Experience with Docker, Kubernetes and Microsoft Azure Devops
• Experience with Dynatrace
• Experience with Dell Boomi