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Full Stack Java Developer Jobs in Waukesha, WI (NOW HIRING)

Senior Backend Engineer

Milwaukee, WI · On-site

$97K - $195K/yr

Engage in full-stack development, from backend systems to user interfaces. Work with technologies ... Strong proficiency in Java, Spring Boot, and Micronaut expertise , with a deep understanding of ...

Senior Application Developer At MGIC, we take pride in knowing that what we do matters. As pioneers ... Between 2 and 5 years of experience using Java * Experience with Agile methodology using Scrum or ...

Java Tutor

Milwaukee, WI · Remote

$40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism, interfaces, exception handling, generics, collections framework, file I/O, and multithreading.

PURPOSE MGIC is looking for a Senior Application Developer. In this role you will be responsible ... Between 2 and 5 years of experience using Java * Experience with Agile methodology using Scrum or ...

At least 5 years of hands-on experience with thorough understanding of Java/J2EE technologies ... Application Development experience in Object Oriented programming and design skills * Proficient in ...

C# Developer

Milwaukee, WI · On-site

$48.25 - $65/hr

Someone with good Full Stack , C#, Scrum and JavaScript experience . Here is the complete for your review. And would like to know your interest. Thank you Title: C# Developer Location: Milwaukee, WI ...

C# Developer

Milwaukee, WI · On-site

$48.25 - $65/hr

Someone with good Full Stack , C#, Scrum and JavaScript experience Here is the complete for your review. And would like to know your interest. Thank you Title: C# Developer Location: Milwaukee, WI ...

At least 5 years of hands-on experience with thorough understanding of Java/J2EE technologies ... Application Development experience in Object Oriented programming and design skills * Proficient in ...

Experience with Java, Python, Go, or a comparable backend language * Experience with Next.js and ... Progress toward full-stack competency (frontend, backend, integrations) * Become increasingly ...

.Net Developer

Milwaukee, WI · On-site

$47.50 - $62.75/hr

No H1B or OPT Role: .Net Developer Location: Milwaukee, WI Duration: 3+ Months Must Have: Area of ... years' experience Expertise Score (1-10) Full Stack Development Angular / Typescript Lead ...

Application Development experience in Object Oriented programming and design skills * Proficient in ... At least 4 years of experience with Java J2EE technologies. Additional Information ** U.S. citizens ...

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Full Stack Java Developer information

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

As of Jun 20, 2026, the average hourly pay for full stack java developer in Waukesha, WI is $58.13, according to ZipRecruiter salary data. Most workers in this role earn between $50.53 and $65.19 per hour, depending on experience, location, and employer.

Is Java outdated in 2026?

Java remains a widely used programming language for full stack development in 2026, with ongoing updates and a large ecosystem of frameworks like Spring. Its stability, performance, and extensive community support make it a relevant skill for full stack Java developers, especially in enterprise environments. Staying current with the latest Java versions and related tools is important for maintaining competitiveness in the job market.

Can I learn Java full stack in 3 months?

Full Stack Java Developer roles typically require a strong understanding of Java, front-end technologies, databases, and frameworks, which usually takes longer than three months to master thoroughly. While intensive learning programs or bootcamps can provide foundational skills within this timeframe, becoming proficient for a professional role generally requires ongoing practice and experience beyond three months.

What is a Full Stack Java Developer?

A Full Stack Java Developer is a software professional skilled in both front-end and back-end development using Java technologies. They are proficient in building complete web applications, handling everything from designing user interfaces and user experiences to managing databases and server-side logic. Typically, they work with frameworks like Spring Boot for the backend and technologies like HTML, CSS, and JavaScript for the frontend, ensuring seamless integration between the two. Full Stack Java Developers are valued for their versatility and ability to manage all aspects of the software development process.

Is Java full stack in demand in 2026?

Full Stack Java Developer roles are expected to remain in demand in 2026 due to the continued need for versatile developers skilled in both front-end and back-end technologies, including frameworks like Spring and tools such as Java EE. As organizations adopt cloud computing and microservices architectures, expertise in Java and related technologies will be valuable for building scalable applications.

What are the typical challenges Full Stack Java Developers face when working on cross-functional teams?

Full Stack Java Developers often collaborate with front-end designers, back-end engineers, and QA specialists, which can lead to challenges in aligning technical requirements, timelines, and coding standards. Navigating different priorities and communication styles is common, especially when integrating new features or resolving bugs that span both client and server sides. Success in this environment requires flexibility, proactive communication, and a willingness to quickly adapt to shifting project needs or technologies.

What Is a Full Stack Java Developer?

A full stack Java developer is a web developer that uses the Java language in the development of the entire technology stack of a web-based application. The job duties of a full stack Java developer are to create both front-end components, such as user interfaces and back-end components, such as application code and databases. As a full stack Java developer, you must understand how the entire technology stack functions as a whole and have deep expertise of each component. Java is a computer programming language that has become one of the most popular for web application development.

What is the difference between Full Stack Java Developer vs Backend Java Developer?

AspectFull Stack Java DeveloperBackend Java Developer
Required SkillsJava, front-end (HTML, CSS, JavaScript), frameworks like Angular/React, databasesJava, server-side frameworks (Spring, Hibernate), databases, APIs
Work EnvironmentDevelops both client and server-side applications, often in agile teamsFocuses on server-side logic, APIs, and database integration
CertificationsJava certifications, full stack development coursesJava certifications, backend-specific courses
Industry UsageStartups, tech companies, full stack rolesEnterprise applications, backend services, API development

Full Stack Java Developers work on both front-end and back-end components, requiring a broader skill set. Backend Java Developers focus solely on server-side logic and database integration. The choice depends on your interest in full application development versus specialized backend work.

What are the key skills and qualifications needed to thrive as a Full Stack Java Developer, and why are they important?

To thrive as a Full Stack Java Developer, you need strong proficiency in Java, front-end frameworks (such as Angular or React), back-end technologies, and a solid understanding of databases, often supported by a degree in computer science or a related field. Familiarity with version control systems like Git, build tools such as Maven or Gradle, and knowledge of Spring Boot or similar frameworks are typically required, along with relevant certifications. Effective communication, problem-solving abilities, and adaptability are standout soft skills in this role. These skills and qualities are essential to deliver robust, user-friendly applications and to collaborate efficiently across the software development lifecycle.

Will AI replace full stack dev?

AI is unlikely to fully replace full stack Java developers, as the role requires complex problem-solving, creativity, and understanding of business needs that AI cannot fully replicate. Instead, AI tools can augment their work by automating repetitive tasks and assisting in coding, allowing developers to focus on higher-level design and architecture. Staying updated with new technologies and developing skills in AI integration can enhance a full stack developer's value in the job market.
What job categories do people searching Full Stack Java Developer jobs in Waukesha, WI look for? The top searched job categories for Full Stack Java Developer jobs in Waukesha, WI are:
Infographic showing various Full Stack Java Developer job openings in Waukesha, WI as of June 2026, with employment types broken down into 2% Locum Tenens, 81% Full Time, 7% Part Time, 1% Temporary, 5% Contract, and 4% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $120,918 per year, or $58.1 per hour.
Senior Backend Engineer

Senior Backend Engineer

Worldpay, Inc.

Milwaukee, WI • On-site

$97K - $195K/yr

Full-time

Posted yesterday


Job description

Job Description

We are FIS. Our technology powers the world's economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you're ready to start learning, growing and making an impact with a career in fintech, we'd like to know: Are you FIS?

NOTE:

  • This position is hybrid (3 days onsite) in our FIS Office locations in Chicago (Illinois), Milwaukee (Wisconsin), Atlanta (Georgia) and Jacksonville (Florida).
  • Current and future sponsorship not available for this position

About the Team:

We are the premiere digital transformation partner for financial institutions committed to the future of banking and to creating safe and personalized customer experiences that help people better manage their financial lives. Our fully integrated and flexible platform is built on years of digital lending experience, enabling digital agility within months and a full suite of end-to-end consumer, small business and embedded finance solutions that fit the way people want to bank.

FIS technology powers the world's economy and our teams bring innovation to life. If you are ready to start learning, growing, and making an impact with a career in fintech, we encourage you to apply. Are you FIS?

A DAY IN THE LIFE:

As a Senior Software Engineer, your day will be filled with exciting challenges and opportunities to shape the future of financial technology. You'll collaborate with a talented team of engineers and play a crucial role in developing cutting-edge solutions that drive innovation in the financial sector. Your responsibilities will include developing and implementing scalable software, troubleshooting complex issues, and contributing to the overall success of our products.

WHAT WE'LL TRUST YOU TO DELIVER:

  • Take the lead in developing, and delivering high-quality software solutions. Mentor junior team members and contribute to a culture of continuous learning and improvement.
  • Engage in full-stack development, from backend systems to user interfaces. Work with technologies such as Java, Javascript and Typescript, RESTful API integrations, microservices and event-driven architecture.
  • Collaborate with cross-functional teams, including product managers, UX designers, and QA engineers, to bring innovative features and products to market. Participate in agile development processes to deliver results efficiently.
  • Analyze complex technical problems and propose effective solutions. Be proactive in identifying areas for improvement and optimizing existing systems for performance and reliability.
  • Uphold high standards of code quality, security, and best practices. Conduct code reviews and contribute to the establishment and adherence to coding standards.
  • Stay abreast of industry trends and emerging technologies. Contribute to the company's technological roadmap by introducing innovative ideas and solutions.

WHAT YOU LIKELY BRING TO THE TABLE:

  • A minimum of 5+ years of experience in software engineering, with a focus on SaaS or FinTech, is preferred.
  • A degree in Computer Science, Software Engineering, or a related field is preferred.
  • Strong proficiency in Java, Spring Boot, and Micronaut expertise, with a deep understanding of RESTful APIs and microservices.
  • Hands-on experience with PostgreSQL, Redis, and cloud-native environments (AWS, Kubernetes, Docker).
  • Familiarity with CI/CD pipelines (Jenkins, Git) and modern software engineering practices.
  • Experience with Jira, Confluence, and other similar project management tools is a plus!
  • Demonstrated ability to analyze and solve complex technical problems. A track record of delivering robust and scalable software solutions.
  • Excellent collaboration and communication skills. Ability to work effectively in a team-oriented environment and contribute to a positive and inclusive workplace culture.
  • A passion for innovation and a keen interest in staying ahead of the curve with emerging technologies (like AI-assisteddevelopment tools). Proven ability to contribute to the development of forward-thinking solutions.

Tech Stack:

Java, Springboot, Micronaut, Temporal, ActiveMQ, Postgres, Redis, ReactJs, Kubernetes, AWS, Jenkins, Git

FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is $97,935.00 - $195,660.00 and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.


Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

EEOC Statement

FIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here


For positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer: In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.

Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

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