Senior Java Developer IV

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 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 front-ends. This role requires a proactive problem solver who thrives in a collaborative, fast-paced environment.

Important Details:

Onsite or Remote: 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. The selected hire can work 100% remote from within the Madison area but must be available to come into the office if needed. Candidate must be relocated 1 month after Hire Date.

Interview Process: Two Round Interview Process. Both rounds will be In-person interviews only.

Contract Duration: 6/30/2027, likely to extend.

Key Responsibilities:

• Develop

and maintain Java (8 to 21)-based backend applications, ensuring high performance and scalability.

• Unit

test and code coverage using Junit.

• Use

spring boot, messaging queues, caching and 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 Junit and 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.

• 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.

Requirements

Required Skills:

• Strong

proficiency in Java, Spring Framework (Spring Boot), Hibernate/JPA, Message queuing, and caching. (8 + yrs experience).

• Experience with web

applications development, web services, REST API, etc. (8 + yrs experience).

• 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 like Oracle.

• 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.

• Experience

using AI(Prompts/Skills/MCP) to speed up development process.

Nice to Have Skills:

• Dell Boomi,

Dynatrace, Microsoft Azure DevOps, Docker, Kubernetes.

Benefits

Hourly rate for 1099: $79.00

Hourly rate for W2: $56.00

Full-Time W2 employees may receive the following benefits:

• Health and Dental Insurance

• Life Insurance

• Short/Long Term Disability Insurance

• Simple IRA

• Referral Bonus

• Employee Assistance Program

Keystone Consulting, Inc. is an equal opportunity employer and is following Wisconsin’s Contract Compliance law. U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Keystone Consulting, Inc. participates in E-Verify. For more information, please click the following links:

E-Verify Participation

Right to Work

Derecho a Trabajar

WI Contract Compliance Law