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Senior Full Stack Java Developer Jobs in Franklin, WI

Apex Systems

Senior Java Developer

Milwaukee, WI · On-site

$56.50 - $72/hr

Senior Application Developer (Java) PURPOSE We are seeking a Senior Application Developer ... You can access a full list of our benefits, programs, support teams and resources within our ...

Sonoma Consulting Inc.

Java Developer

Waukesha, WI

$51 - $66/hr

This Senior Java Developer will join the Global Service Technology team and will work on a Scrum team in a highly collaborative environment building next generation enterprise service platforms for ...

Luminoustec LLC

Java Developer

Milwaukee, WI

$50.25 - $65/hr

Role: Senior Java Programmer Job Type: Contract to Hire (6 months) Location: Menominee Falls ... Involved in the full systems life cycle and is responsible for designing, coding, testing ...

VeeRteq Solutions Inc.

Java Developer

Waukesha, WI · On-site

$51 - $66/hr

... Senior Engineer. * Experience designing and delivering enterprise-scale applications. * Proven ... Experience collaborating directly with business stakeholders and product teams. * Tech Stack - C# ...

ADDSOURCE

Java Developer

Waukesha, WI · On-site

$51 - $66/hr

... Senior Engineer. * Experience designing and delivering enterprise-scale applications. * Proven ... Experience collaborating directly with business stakeholders and product teams. * Tech Stack C# ...

Luminoustec LLC

Java Developer

Milwaukee, WI · On-site

$50.25 - $65/hr

Role: Senior Java Programmer Job Type: Contract to Hire (6 months) Location: Menominee Falls ... Involved in the full systems life cycle and is responsible for designing, coding, testing ...

Dellfor Technologies

Senior JAVA Developer

Milwaukee, WI · On-site

$80K/yr

... Java, J2EE and web/internet based programming experience (both client and server side) 5+ Experience with OOA/OOD, distributed systems/software, real time processing, relational database systems ...

Deloitte

Cyber Full Stack Manager

Milwaukee, WI · On-site

... Java, or Node.js, and 2+ years of experience delivering solutions on Amazon Web Services (AWS ... engineering assets, and experience working with senior client stakeholders to facilitate ...

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How much do senior full stack java developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior full stack java developer in Franklin, WI is $53.92, according to ZipRecruiter salary data. Most workers in this role earn between $46.88 and $60.48 per hour, depending on experience, location, and employer.

What is a senior full stack Java developer?

Senior Full Stack Java Developers are experienced software professionals who design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They typically work with frameworks such as Spring Boot for the backend and may use JavaScript frameworks like Angular or React for the frontend. In addition to coding, they often lead development teams, make architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a senior full stack Java developer?

A Senior Full Stack Java Developer needs advanced proficiency in Java, front-end frameworks (such as Angular or React), and a solid understanding of databases, supported by a bachelor’s degree in computer science or related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required, along with relevant certifications. Strong problem-solving, communication, and teamwork skills help developers effectively collaborate and deliver robust solutions. These competencies are crucial for building scalable applications, leading projects, and ensuring efficient development processes.

What are some common challenges senior full stack Java developers face when balancing backend and frontend responsibilities?

Senior Full Stack Java Developers often encounter the challenge of staying up-to-date with both backend Java frameworks and rapidly evolving frontend technologies. Balancing deep expertise in server-side development with proficiency in modern JavaScript frameworks (like React or Angular) can be demanding. Additionally, these professionals often need to effectively prioritize tasks between client and server development while collaborating with specialized frontend or backend team members. Time management, clear communication, and a willingness to learn new tools are essential for success in this multifaceted role.

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Senior Full Stack Java Developer jobs near you

Full Stack Developer with AI - Hybrid

Cognizant Technology Solutions

Milwaukee, WI • On-site

$55K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 16 days ago

Cognizant rating

7.0

Company rating: 7.0 out of 10

Based on 87 frontline employees who took The Breakroom Quiz

59th of 72 rated business consultants

Job description

Full Stack Developer with AI - Hybrid
Important Disclaimers:
Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.
Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future
In this role, you will:
  • Design, develop, and maintain applications using .NET / .NET Core (C#) following best practices and coding standards.
  • Build and deploy cloud-based solutions leveraging Microsoft Azure services (App Services, Functions, Azure SQL, Storage, etc.).
  • Design, develop, and maintain full-stack web applications across front-end and back-end layers.
  • Build responsive, user-friendly UI components using modern front-end frameworks (React, Angular, or Vue).
  • Develop and maintain back-end services, APIs, and databases to support application functionality.
  • Integrate AI/ML capabilities and third-party AI APIs (e.g., OpenAI, Azure AI, LLM-based services) into existing applications and workflows.
  • Collaborate with product, design, and data teams to translate business requirements into technical solutions.
  • Write clean, scalable, and well-tested code following best practices across the stack.
  • Participate in code reviews, troubleshooting, and performance optimization for both front-end and back-end systems.
  • Stay current with emerging AI tools and frameworks, proposing opportunities to enhance products with AI-driven features.

Location: Milwaukee, WI
Work model: Hybrid
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Milwaukee, WI . Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
What you need to have to be considered:
  • 3-5 years of experience as a Full Stack Developer, working across front-end and back-end technologies.
  • Proficiency in front-end frameworks (React, Angular, or Vue) and back-end languages/frameworks (Node.js, .NET, Python, or Java).
  • Experience designing and consuming RESTful APIs, and working with relational or NoSQL databases.
  • Practical experience integrating AI/ML services or LLM APIs (e.g., OpenAI, Azure OpenAI, LangChain) into applications.
  • Proficiency with RESTful APIs, Web API development, and integration with third-party services.
  • Familiarity with cloud platforms (Azure, AWS, or GCP) for deployment and hosting.
  • Understanding of version control (Git), CI/CD pipelines, and Agile development practices.
  • Strong problem-solving skills with the ability to work across the full technology stack independently.
  • Experience with prompt engineering, AI workflow design, or building AI-assisted features is a plus.

Salary and Other Compensation:
Applications will be accepted until 9/17/2026.
The annual salary for this position is between $55K - 114K depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
Disclaimer : The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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