Job Description - 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


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About the Company

Keystone Consulting Llc

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