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Senior Java Developer C2C Jobs in Middleton, WI (NOW HIRING)

Sr. Software Engineer

Madison, WI

$123.40K - $162.70K/yr

Position Overview As a Sr. Software Engineer, this seasoned professional will demonstrate ... They would have very strong competency with Java and be knowledgeable about Spring Boot and Spring ...

... Developer to join our team. If you love data - cleaning it, digging in it, understanding what type ... Knowledge of other JVM languages like Kotlin, Java and Scala, is a plus. * You have advanced ...

Principal Software Engineer

Madison, WI

$136K - $182.40K/yr

Position Overview The Principal Software Engineer is a senior Individual Contributor and cross ... Programming languages such as C, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web ...

Principal Software Engineer

Madison, WI

$136K - $182.40K/yr

Position Overview The Principal Software Engineer is a senior Individual Contributor and cross ... Programming languages such as C, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web ...

Principal Software Engineer

Madison, WI · On-site

$136K - $182.40K/yr

Position Overview The Principal Software Engineer is a senior Individual Contributor and cross ... Programming languages such as C, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web ...

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Showing results 1-20

Senior Java Developer C2C information

See Middleton, WI salary details

$11

$63

$86

How much do senior java developer c2c jobs pay per hour?

As of May 31, 2026, the average hourly pay for senior java developer c2c in Middleton, WI is $63.05, according to ZipRecruiter salary data. Most workers in this role earn between $55.24 and $70.43 per hour, depending on experience, location, and employer.

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 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 cities near Middleton, WI are hiring for Senior Java Developer C2C jobs? Cities near Middleton, WI with the most Senior Java Developer C2C job openings:
Sr. Software Engineer

$123.40K - $162.70K/yr

Full-time, Part-time

Medical, Dental, Vision, Retirement, PTO

Posted 4 days ago


Exact Sciences rating

8.5

Company rating: 8.5 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

19th of 103 rated laboratories


Job description

Help us change lives

At Exact Sciences, we’re helping change how the world prevents, detects and guides treatment for cancer. We give patients and clinicians the clarity needed to make confident decisions when they matter most. Join our team to find a purpose-driven career, an inclusive culture, and robust benefits to support your life while you’re working to help others.

Position Overview

As a Sr. Software Engineer, this seasoned professional will demonstrate competence and creativity in a wide range of technical areas. This role will have a lead role in the design, development, and testing of software applications for Exact Sciences, creating expert design concepts and foolproof debugging.  This role will be able to resolve most issues and problems effectively with minimal oversight, communicate effectively with business stakeholders and mentor junior team members.  This role will routinely make key decisions for the team, be accountable for application quality, and be highly productive.

Working in our Software Engineering team, you will be responsible for developing, enhancing, and sustaining software systems in a cross-functional team environment through adherence to established design control processes and good engineering practices. You will design and create engineering specifications for building software programs based on a broad knowledge of information systems and determine what development methodology to use after documenting software requirements.

An ideal candidate will be comfortable growing others on the team as an informal leader. They would have very strong competency with Java and be knowledgeable about Spring Boot and Spring as it relates to building out microservices. Experience with Maven is a plus, as is experience with Kafka and/or HL7 and FHIR.

This hybrid role is based in Madison, Wisconsin.

Essential Duties

Include, but are not limited to, the following:

  • Demonstrate strong working knowledge, skills, and understanding of practices for complex programs and initiatives demonstrating creativity and substantial understanding of specialized techniques, processes, procedures.
  • Troubleshoot issues and problems of medium complexity for major software applications; break down complex tasks, make reasonable decisions, investigate and fix bugs, and operate independently.
  • Initiate independent designs that impact and influence the department’s delivery and approach. Lead reviewing design alternatives, problems, and solutions with an eye on limiting the need for later problem solving.
  • Consistently influence and make significant decisions within a project, demonstrating good judgment in selecting methods and techniques for obtaining solutions based in a solid understanding of business strategy and best practices with minimal instructions for difficult or unpredictable situations.
  • Contribute individual capabilities to the achievement of group objectives, and work effectively with others in a group setting. This includes mentoring, coaching, and technical guidance for junior members of the team.
  • Build successful internal and external partnerships with peers, SMEs, stakeholders, and decision-makers.
  • Communicate clear and concise project plans/designs and status updates for a project.
  • Ability to work nights and/or weekends, as needed.
  • Uphold company mission and values through accountability, innovation, integrity, quality, and teamwork.
  • Support and comply with the company’s Quality Management System policies and procedures.
  • Maintain regular and reliable attendance.
  • Ability to act with an inclusion mindset and model these behaviors for the organization.

Minimum Qualifications

  • Bachelor’s Degree in Data Science, Computer Science, Information Systems, Mathematics, or Engineering; or High School Diploma/General Education Degree and 4 years of relevant experience as outlined in the essential duties .
  • Complete knowledge and full understanding of software development design and development, and relevant domain specific skills.
  • Understanding of and significant experience with object-oriented programming.
  • RESTful web services, Relational Databases (Postgres, SQL Server), and ORM technologies (JPA2, Hibernate, Entities Framework). 
  • Demonstrated experience designing and developing apps that access and or utilize cloud-based frameworks (e.g., Azure, Amazon AWS Services/SDKs, etc.).
  • Agile development tools; including, but not limited to, JIRA, Confluence repository.
  • C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit.
  • Applicants must be currently authorized to work in country where work will be performed on a full or part-time basis. We are unable to sponsor or take over sponsorship of employment visas at this time.
  • Demonstrated ability to perform the essential duties of the position with or without accommodation.

Preferred Qualifications

  • 5+ years of experience in the Software Engineering discipline
  • Strong knowledge of healthcare interoperability standards such as HL7 and FHIR.
  • Experience using Java as a core language
  • Experience using Spring Boot or Spring to support Microservices
  • Experience using Maven
  • Experience using Kafka or other queuing systems
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Salary Range:

$101,000.00 - $172,000.00

 

The annual base salary shown is for this position located in US - WI - Madison on a full-time basis. In addition, this position is bonus eligible.

Exact Sciences is proud to offer an employee experience that includes paid time off (including days for vacation, holidays, volunteering, and personal time), paid leave for parents and caregivers, a retirement savings plan, wellness support, and health benefits including medical, prescription drug, dental, and vision coverage. Learn more about our benefits.

Our success relies on the experiences and perspectives of a diverse team, and Exact Sciences fosters a culture where all employees can develop personally and professionally with a sense of respect and belonging. If you require an accommodation, please contact us here.

Not ready to apply? Join our Talent Community to stay updated on the latest news and opportunities at Exact Sciences.

We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to disability, protected veteran status, and any other status protected by applicable local, state, or federal law.

To view the Right to Work, E-Verify Employer, and Pay Transparency notices and Federal, Federal Contractor, and State employment law posters, visit our compliance hub. The documents summarize important details of the law and provide key points that you have a right to know.


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