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Senior Java Developer C2C Jobs in Wisconsin (NOW HIRING)

ABC Groep

WI · On-site

$80 - $100/hr

  • Medical

  • PTO

You engage in dialogue with Senior Developers and closely follow the latest technologies. * SQL ... Our Java developers like to capitalize on their knowledge. You hold the OCP (Oracle Certified ...

New

LUMINOUSTEC LLC

Java Developer

Milwaukee, WI · On-site

$80 - $100/hr

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

ULINE

Senior Software Developer - Java

Milwaukee, WI · On-site

$96K - $148K/yr

  • Medical

  • Retirement

  • PTO

Senior Software Developer - Java Pay from $96,000 to $148,000 per year Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are you ready to design, innovate and lead in a ...

ULINE

Senior Software Developer - Java

Pleasant Prairie, WI · On-site

$96K - $148K/yr

  • Medical

  • Retirement

  • PTO

Senior Software Developer - Java Pay from $96,000 to $148,000 per year Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are you ready to design, innovate and lead in a ...

Highbrow LLC

Senior Java Software Engineer

Milwaukee, WI · On-site

$90 - $120/hr

Senior Java Software Engineer Job Location: Milwaukee, WI Key Technology: backend, Spring Boot, Kubernetes, Docker, Java 8+, REST API Job Responsibilities In this role, you will be required to ...

New

Luminoustec LLC

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 ...

ULINE

Senior Software Developer - Java

Milwaukee, WI

$96K - $148K/yr

  • Medical

  • Retirement

  • PTO

Senior Software Developer - Java Pay from $96,000 to $148,000 per year Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are you ready to design, innovate and lead in a ...

ULINE

Senior Software Developer - Java

Kenosha, WI

$96K - $148K/yr

  • Medical

  • Retirement

  • PTO

Senior Software Developer - Java Pay from $96,000 to $148,000 per year Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are you ready to design, innovate and lead in a ...

ULINE

Senior Software Developer - Java

Pleasant Prairie, WI · On-site

$96K - $148K/yr

  • Medical

  • Retirement

  • PTO

Senior Software Developer - Java Pay from $96,000 to $148,000 per year Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are you ready to design, innovate and lead in a ...

Uline

Senior Software Developer - Java

Pleasant Prairie, WI · On-site

$96K - $148K/yr

  • Medical

  • Retirement

  • PTO

Senior Software Developer - Java Pay from $96,000 to $148,000 per year Corporate Headquarters 12575 Uline Drive, Pleasant Prairie, WI 53158 Are you ready to design, innovate and lead in a ...

Qualysoft

$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 ...

Hive-X

WI · On-site

$100 - $130/hr

We are looking for a 5 Senior Java Backend Developers / Integration Engineers to strengthen the team working in pharma sector, a strategic integration platform in the healthcare ecosystem. This role ...

New

Santander

Senior Java Application Developer

Madison, WI · On-site

$175K - $220K/yr

Senior Java Application Developer Country: United States of America It Starts Here: Santander is a global leader and innovator in the financial services industry and is evolving from a high-impact ...

ENTICO ICT

WI · On-site

$90 - $130/hr

Minstens 5 jaar ervaring als Technical Analyst, Technical Designer of Senior Java Developer met analytische verantwoordelijkheden. * Ervaring met technische en/of functionele analyse binnen Agile ...

New

Sofvyr

WI · On-site

$110 - $170/hr

Pythonand Java development, strong understanding of design and explain and educatedevelopers ... Senior Developer Workspace Engineer The Senior Developer Workspace Engineer is amultifaceted role ...

New

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Senior Java Developer C2C information

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 key skills and qualifications needed to thrive as a senior Java developer C2C?

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 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 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:

Senior Java Developer C2C jobs near you
Infographic showing various Senior Java Developer C2C job openings in Wisconsin as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Medior Java Developer

ABC Groep

WI • On-site

$80 - $100/hr

Other

Medical, PTO

Posted yesterday

New

Job description

The Java team at ABC-Groep is a group of young and dynamic developers working on challenging projects for leading clients. At ABC-Groep, we are looking for a passionate Medior Java Developer with expertise in both back-end and front-end technologies. You will work at the client's site or in the office and follow the process from start to finish. As a true team player, you will be a pillar of support for our Juniors and maintain close contact with the Senior Developers.

Profile
  • You work in a structured way and have a passion for clean code.
  • Coaching and mentoring Junior Developers do not intimidate you.
  • You possess an Agile mindset and are proficient in Scrum methodology.
  • With your know-how, you have adequate knowledge of Java, Java web technologies, Spring framework, and Spring Boot. You have knowledge of at least one of the following technologies: JPA, Hibernate, GWT, Vaadin, Wicket.
  • You engage in dialogue with Senior Developers and closely follow the latest technologies.
  • SQL holds no secrets for you.
  • You have sufficient knowledge in front-end development with Angular and/or React.
  • You play it safe and subject your code to thorough testing (JUnit).
  • When problems arise, you roll up your sleeves and actively work to resolve them. Open communication is the key to success.
  • You have experience in developing high-quality software projects.
  • You speak fluent Dutch and English.
  • Our Java developers like to capitalize on their knowledge. You hold the OCP (Oracle Certified Programmer) or are willing to obtain it within a realistic timeframe.
Our offer

Growth, Trust, and Engagement

These are the core values at ABC-Groep! The personal and professional growth of our colleagues is a priority. Through personal coaching and training programs, we aim to further develop your expertise. Here, trust and open communication are the keys to success. ABC-Groep wants to be involved in the interests of its employees. We regularly make time for fun activities such as our monthly cinema visits, technical workshops including pizza, sporting challenges, and more.

At ABC-Groep, you will always find yourself in a challenging environment where you can continue to develop and are given enough responsibility to manage this effectively. Our clients are leading companies spread across Flanders and Brussels. We take into account that you can work in your own region. Of course, there is the possibility to work remotely.

Our Offer

Naturally, we offer you an attractive gross salary with additional legal benefits such as a car with a fuel card, internet subscription, home working allowance, health insurance, group insurance, and the possibility to work from home. Furthermore, you are entitled to 20 vacation days supplemented with 6 Adv-days.

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