Senior Java Developer

Randstad Digital Americas; Madison (WI); Remote; USD 83,000 - 96,000; Full time

Job summary

Randstad Digital Americas in Madison, WI is seeking a Senior Java Developer to design and maintain scalable backend systems using Java, Spring Boot, and Angular frontends. The role supports remote work within the Madison area with occasional in-office visits.

You will work with Kafka, Redis, and other middleware, implement RESTful APIs, ensure test coverage with JUnit and Playwright, and participate in the full software development lifecycle.

Qualifications

• Strong proficiency in Java, Spring Framework, Hibernate/JPA, messaging queues, and caching.
• Advanced skills in Angular, Typescript, HTML5, and CSS3.
• Experience designing RESTful APIs with Spring Boot and OpenAPI.

Responsibilities

• Develop and maintain Java backend applications with Spring Boot for high performance and scalability.
• Implement unit tests and ensure code coverage with JUnit.
• Develop Angular front-end interfaces with responsive design and accessibility.
• Create and maintain RESTful APIs and integrate frontend with backend.
• Collaborate with cross-functional teams to gather requirements and deliver features.
• Conduct code reviews to ensure quality and adherence to standards.
• Troubleshoot issues, ensure reliability, and participate in full software development lifecycle.
• Utilize AI prompts/skills to speed up development where appropriate.

Skills

Java

Spring Framework / Spring Boot

Messaging Queues

Caching

Angular

Typescript

HTML5

CSS3

RESTful APIs

OpenAPI

Education

High School

Tools

Kafka

Redis

BOOMI

Docker

Kubernetes

Playwright

OpenAPI

Job description

Job Summary

Candidate MUST be a resident local to Madison or near the Madison office. The selected hire can work 100% remote from within the Madison area but must be available to come into the office if needed.

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.

location: Madison, Wisconsin
job type: Contract
salary: $60 - 70 per hour
work hours: 8am to 5pm
education: High School

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, 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.

Qualifications

• 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 API 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, 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.

AWS,Angular,Kafka,Apache Kafka,AI,backend,BOOMI,Caching,CSS3,Familiarity with cloud platforms,code coverage,code reviews,containerization and orchestration tools,deployment automation,Devops,Docker,Docker and Kubernetes,Dynatrace,frontends,frontend,Google Cloud,HTML5,Hibernate,Java,expertise in Java,Java-based,proficiency in Java,JPA,Junit,Kubernetes,Microsoft Azure,Azure,middleware platforms,OpenAPI,Oracle,Playwright,Message queuing,Redis,Relational databases,system reliability,REST API,RESTful APIs,RESTful API,SCRUM teams,Agile/Scrum,software development lifecycle,code quality,spring framework,spring boot,Typescript,Unit test,Unit tests,web applications,WCAG,web services,analytical skills,proactive problem solver,Troubleshoot,problem-solving,independently,collaborative,Microsoft Azure Devops,mock-ups,high-performance applications,QA,requirements gathering,scalability,resolve technical issues,testing,usability,waterfall development methodologies

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact [e-mail].

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.