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Senior Java Developer C2C Jobs in Wisconsin (NOW HIRING)

Java Developer

Milwaukee, WI · On-site +1

$50.25 - $65/hr

The State of Wisconsin is looking for Java Developer IV. Will close to submissions on 6/12/2025 at ... The ideal candidate will play a hands-on senior technologist/lead role in modernizing State of ...

Java Developer

Milwaukee, WI · On-site

$50.25 - $65/hr

Senior Java Programmer Job Type: Contract to Hire (6 months) Location: Menominee Falls, Wisconsin What we look for here are the following: 1. Very strong communication skills, especially over the ...

$60.25 - $76.75/hr

Fur ein langfristiges Projekt in Wien suchen wir ab sofort einen erfahrenen Java Developer (m/w/d) mit Schwerpunkt auf LibreOffice-Entwicklung und Verfahrensautomation. In dieser Rolle arbeiten Sie ...

Codeworks, an LRS company, is seeking a Java Developer for a contract position A candidate with ... The individual in this role will contribute as a senior-level technologist in the design ...

Java Developer

Madison, WI · On-site

$50 - $60/hr

Codeworks, an LRS company, is seeking a Java Developer for a contract position A candidate with ... The individual in this role will contribute as a senior-level technologist in the design ...

Codeworks, an LRS company, is seeking a Java Developer for a contract position A candidate with ... The individual in this role will contribute as a senior-level technologist in the design ...

Java React Developer

Middleton, WI

$52.50 - $67.75/hr

Java React Developer SynergisticIT is aware that the job market is challenging because of tech ... No third-party candidates or c2c candidates please only apply to the posting. No phone calls ...

Sr Software Engineer

Appleton, WI · Remote

$116K - $153K/yr

Java AND OpenShift AND Github (Devops mindset) AND Analytical/Problem Solving/Collaborative ... 1 Sr. Java (contractor) Source data and where to get it Java, OpenShift, REST API Microservices ...

Software Developer (Java/Scala)

Milwaukee, WI · On-site

$56.25 - $71.75/hr

Advanced proficiency in one or more programming languages (Java, Scala, C#, etc.). * A firm understanding of object-oriented design and development practices. * Excellent communication skills to ...

Senior Software Developer

Milwaukee, WI · On-site +1

$53.75 - $71/hr

InvestCloud (formerly Advicent) is looking for a talented and motivated Senior Software Developer ... Net Core, C++, and Java. The ideal candidate will combine their technical expertise with a passion ...

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Senior Java Developer C2C information

What is the difference between Senior Java Developer C2C vs Java Software Engineer?

AspectSenior Java Developer C2CJava Software Engineer
CredentialsJava certifications, experience in Java SE/EEJava certifications, similar experience
Work EnvironmentContract-based, client-site or remote, project-focusedFull-time, in-house or remote, development team
Industry UsageFreelance/contract roles across industriesPermanent roles in tech companies or enterprises
Search IntentContract Java roles, freelance Java jobsFull-time Java developer positions

While both roles require Java expertise and similar certifications, Senior Java Developer C2C typically involves contract-based, project-specific work often on a freelance basis. Java Software Engineer usually refers to full-time, in-house roles within organizations. The choice depends on whether you're seeking flexible contract work or a permanent position.

What are the key skills and qualifications needed to thrive as a Senior Java Developer (C2C), and why are they important?

To thrive as a Senior Java Developer (C2C), you need expert-level proficiency in Java, object-oriented programming, system architecture, and a solid foundation in computer science, usually supported by a bachelor’s degree or higher. Familiarity with frameworks like Spring, Hibernate, RESTful APIs, version control systems such as Git, and build tools like Maven or Gradle, along with experience in Agile methodologies, is typically required. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills and qualities are crucial for delivering robust, scalable software solutions and ensuring project success in dynamic environments.

What are some common challenges Senior Java Developers face when working on C2C (Corp-to-Corp) contracts?

Senior Java Developers working on C2C contracts often encounter challenges such as quickly adapting to new project environments, understanding diverse client requirements, and integrating with teams that may have established workflows or legacy systems. Additionally, they need to manage their own business operations, including invoicing and compliance, while maintaining high productivity and technical standards. Effective communication and self-management are essential, as C2C roles may offer less direct supervision compared to traditional employment.

What is a Senior Java Developer C2C?

A Senior Java Developer C2C is an experienced software engineer who specializes in Java programming and works on a 'Corp-to-Corp' (C2C) basis. This means the developer provides services through their own corporation or business entity, rather than as a direct employee or independent contractor. Senior Java Developers are responsible for designing, developing, and maintaining complex Java applications, leading projects, and mentoring junior developers. C2C arrangements are common in IT contracting, particularly in the United States, and typically require the developer to handle their own business taxes and legal compliance.
What are the most commonly searched types of Java Developer C2C jobs in Wisconsin? The most popular types of Java Developer C2C jobs in Wisconsin are:
What are popular job titles related to Senior Java Developer C2C jobs in Wisconsin? For Senior Java Developer C2C jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Senior Java Developer C2C jobs in Wisconsin look for? The top searched job categories for Senior Java Developer C2C jobs in Wisconsin are:
What cities in Wisconsin are hiring for Senior Java Developer C2C jobs? Cities in Wisconsin with the most Senior Java Developer C2C job openings:
Java Developer

Java Developer

RIT Solutions, Inc.

Milwaukee, WI • On-site, Remote

$50.25 - $65/hr

Other

Posted 12 days ago


Job description

JAVA OPENING - Remote
Remote - WI Resident
Exempt
The manager has requested a bid limit of 1 per vendor to ensure only the top candidate from each vendor is submitted. This is a true new need.
The State of Wisconsin is looking for Java Developer IV.
Will close to submissions on 6/12/2025 at 4:00PM CST.
Top Required Skills & Years of Experience:
- 5+ years' experience with Java/J2EE
- 5+ years' experience with Spring boot
- 5+ years' experience with Angular
- 4+ years' hands on Architecture/Design experience
- 4+ years' experience with microservices
Nice to Have Skills:
- 4+ years' experience with AWS Cloud based development
- 3+ years' experience with DevSecOps Best Practices, including leveraging SonarQube
- 5+ years' experience with Automated Testing Best Practices
- 4+ years' experience with Oracle and PL/SQL stored procedure
Interview Process: Online interview
Duration: 6/30/25 with extensions possible
Remote or On-site? Candidates must be WI residents or willing to relocate to WI prior to starting the role at their own expense. This position will work mostly remote from within the State of Wisconsin. There may be a requirement to come into the office as needed, likely no more than twice per year.
Project details: The ideal candidate will play a hands-on senior technologist/lead role in modernizing State of Wisconsin, Department of Transportation web application(s). Within this modernization effort the candidate will provide technical expertise in migrating application(s) to Spring Boot, upgrading Java versions, updating presentation layer technologies, migrating applications to container hosted environments, and provide guidance in the development of a DevSecOps and CI/CD development pipeline following industry best practices.
Required Skills
5+ years' experience with Java/J2EE
5+ years' experience with Spring boot
5+ years' experience with Angular
4+ years' hands on Architecture/Design experience
4+ years' experience with microservices
Preferred Skills
4+ years' experience with AWS Cloud based development
3+ years' experience with DevSecOps Best Practices, including leveraging SonarQube
5+ years' experience with Automated Testing Best Practices
4+ years' experience with Oracle and PL/SQL stored procedure
The ideal candidate will play a hands-on senior technologist role in modernizing, enhancing, and
maintaining State of Wisconsin, Department of Transportation web application(s). Within this effort the
candidate will provide technical expertise in developing solutions in Spring Boot, upgrading Java versions,
updating presentation layer technologies, migrating applications to container hosted environments, and
provide guidance in the development of a DevSecOps, and CI/CD development pipeline following
industry best practices. The candidate will be responsible for the design, development, and support of
enterprise-wide application(s). We are looking for someone with strong hands-on development
experience in Java, SQL, PL/SQL, MVC pattern implementation (Spring), full lifecycle testing,
microservice architecture patterns, and Agile Scrum project management methodology. Strong
experience in analyzing and dealing with complex SQLs and nested queries is a MUST. Strong
candidates should also have experience with container creation and deployment, DevSecOps best
practices, and modern presentation layer technologies.
Responsibilities:
- Enhance existing application(s) with new features as well as modernizing existing application(s)
s needed.
- Solve complex technical problems
- Architect, Design, develop and implement application development solutions independently.
- Develop testing methodology and criteria and implement them on automated build processes.
- Develop solutions in Spring Boot, Java, SQL following industry best practices.
- Develop application presentation layers using modern JavaScript/TypeScript technologies such
s Angular.
- Mentor others in the team and function as Senior technologist that others including the lead can
rely on.
Required Experience:
- Java/J2EE (5+ years)
- Spring Framework (5+ years)
- Spring boot (5+ years)
- SQL experience (5+ years)
- Oracle and PL/SQL stored procedure experience (5+ years)
- Java Script (5+ years)
- Creating reports using Jasper (2+)
- Experience working with creating and troubleshooting complex nested SQL queries in a Jav
based web application (5+ years)
- Hands on Architecture/Design experience (4+ years)
- Micro services (4+ years)
- API development (4+ years)
- Angular (5+ years)
- Experience working in Hybrid and Agile Methodologies (5+ years)
- Experience working with industry standard patterns for modernization (i.e. lift and shift, strangler,
etc.)
Nice to Have Experience:
- JPA (3+ years)
- Java Batch experience (4+ years)
- DevSecOps Best Practices (3+ years) including leveraging SonarQube
- Automated Testing Best Practices (5+ years)
- Technical leadership experience leading team members and moving application(s) toward
microservices and modern looking architecture (4+ years).
- AWS Cloud based development experience (4+) years
- Experience working with Liberty, Maven, IntelliJ, Java 21
- Leveraging GitHub Co-Pilot or similar GenAI based IDE tools to accelerate software development
nd testing practices
- Experience working with Box APIs