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Java Developer

Job in Madison, Dane County, Wisconsin, 53774, USA
Listing for: IO Datasphere
Full Time position
Listed on 2026-06-03
Job specializations:
  • Software Development
    Java Developer, Full Stack Developer, Software Engineer, Cloud Engineer - Software
Job Description & How to Apply Below

Our client is looking for a Java Developer to play a hands-on senior technologist/lead role in the design, development, and modernization, and support of several applications. In addition to the development of new applications and tools, the candidate will provide technical expertise for modernization efforts of Java and .NET applications, such as upgrading Java versions, migrating the identity provider, accessibility upgrades, and transforming legacy applications to microservices.

They are looking for someone with strong experience in Java, C#.NET, ASP.NET, Spring Framework, Spring Boot, full lifecycle testing, microservice architecture patterns, and Agile project management methodology.

Tasks:

  • Design and develop new applications, and enhance and modernize existing applications
  • Solve complex technical problems
  • Provide technical leadership to modernization efforts.
  • Develop testing methodology and criteria and implement them on automated build processes.
  • Lead efforts for modernizing Java and .NET applications following industry best practices.
  • Develop application presentation layers using modern JavaScript/Type Script technologies such as Angular or React.
  • Provide technical leadership to moving applications toward a microservices and modern looking architecture.



NOTE:

Must be CURRENT WI residents. No relocation allowed. Hybrid schedule. No consistent hybrid schedule; however, candidates should anticipate being onsite approximately once a month

Location:

Madison, WI

Contract:

1 year

Skills Required:

5+ years of experience in the following:

  • Java/J2EE
  • Spring Framework & Spring Boot
  • Angular
  • SQL experience
  • Experience working in Agile

3-4+ years of experience in the following:

  • C#.NET
  • ASP.NET
  • Oracle and PL/SQL stored procedure experience
  • Microservices
  • API development
  • Hands on Architecture/Design experience
  • Experience working with Maven, Intelli

    J, and Java 21
  • Experience working with industry standard patterns for modernization (i.e. lift and shift, strangler, etc.)
Skills Desired – A plus to have:
  • 4+ years - Java Batch experience
  • 5+ years - Automated Testing Best Practices
  • ArcGIS Experience
  • Experience working with Liberty
  • Leveraging Git Hub Copilot or similar GenAI based IDE tools to accelerate software development and testing practices
  • Experience working with Box APIs

*** Rate depends on experience

*** Candidates authorized to work in the US are encouraged to apply. We can accept H1b, , TN, and other valid work visas for IT. However, we cannot accept OPT or CPT visas at this time.

*** Companies submitting candidates should only submit direct W2 employees for this position.

Please submit your resume by using the "URL" below

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