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

SynergisticIT

Junior Fullstack Engineer

Madison, WI

... Java/Full stack/Devops Positions Associate or Bachelors degree or Masters degree in Computer ... No third party or agency candidates or c2c candidates Embrace Your Future! We also assist with F1 ...

Verint Systems

Sr. Engineer, Software

Madison, WI

$123K - $162K/yr

Design, develop, and maintain production-grade full-stack features spanning Java/C# backend ... Build and maintain CI/CD pipelines (Jenkins, GitHub Actions, Azure DevOps); containerize services ...

Datavant

Senior Software Engineer

Madison, WI

$180K - $220K/yr

... Senior Software Engineer, you will lead major initiatives that advance Datavant's platform ... Python, Go, Java; microservices; REST and GraphQL * Frontend: TypeScript, React, Next.js

Exactsciences

Sr. Software Engineer

Madison, WI

$123K - $162K/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 ...

Exact Sciences

Sr. Software Engineer

Madison, WI · On-site

$123K - $162K/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 ...

Exact Sciences

Sr. Software Engineer

Madison, WI

$123K - $162K/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 ...

Imedica

Senior AI Engineer

Madison, WI

$113K - $194K/yr

Medica is seeking a hands-on Senior AI Platform Engineer to help build and scale our next ... Proven expertise in Java development and related technologies * Experience working in Agile ...

Eliassen Group

Senior AI/ML Engineer

Madison, WI · Remote

$90 - $100/hr

Java, Spring Boot, Spring/JPA, Hibernate/MyBatis, JBoss/Fuse Camel/AMQ, SQL, Oracle, REST services ... AWS certification required such as Solutions Architect Associate, Developer Associate, Machine ...

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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 Jun 20, 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 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 popular job titles related to Senior Java Developer C2C jobs in Middleton, WI? For Senior Java Developer C2C jobs in Middleton, WI, the most frequently searched job titles are:
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:
Senior Java Developer C2C jobs near you
Senior Android Application Developer

Senior Android Application Developer

Johnson Health Tech North America Inc

Cottage Grove, WI

$55 - $69.50/hr

Other

Medical, Dental, Life, Retirement, PTO

Posted 11 days ago

Johnson Health Tech rating

8.1

Company rating: 8.1 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

123rd of 418 rated machine equipment manufacturers

Job description

Description


Position Overview:

Under the direction of the Sr. Director of Electrical Engineering, the Senior Android Developer will lead the development of native Android applications that integrate seamlessly with our fitness equipment, enhance customer engagement, and support our retail and e-commerce platforms. This role is ideal for someone passionate about fitness, mobile innovation, and creating intuitive digital experiences that motivate users to reach their wellness goals.


Responsibilities:

Design, develop, and maintain native Android applications for fitness tracking, equipment integration, and retail engagement.

Collaborate with cross-functional teams including product, design, and hardware engineering to deliver cohesive user experiences.

Integrate with fitness APIs (e.g., Google Fit, Health Connect), Bluetooth-enabled fitness equipment, and IoT platforms.

Optimize app performance across a wide range of Android devices and screen sizes.

Ensure secure handling of user data, especially health and fitness metrics.

Lead code reviews, mentor junior developers, and contribute to architectural decisions.

Stay up-to-date with Android development trends and fitness technology innovations.

Requirements


Education:

Bachelor's or Master's degree in Computer Science, Engineering, or related field.


Experience:

7+ years of experience in native Android development using Kotlin and Java.

Strong knowledge of Android SDK, Jetpack libraries, and MVVM architecture.

Familiarity with RESTful APIs, third-party SDKs, and Google Play Store deployment.

Excellent communication and problem-solving skills.


Benefits:

We offer an excellent compensation package and team-oriented work environment with growth opportunities. Some of our outstanding benefits include:

Health & Dental Insurance

Company paid Life Insurance

401(k)

Paid Time Off benefits

Product discounts

Wellness programs



 Equal Opportunity Employer, including Veterans and Individuals with Disabilities 

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