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Full Stack Developer Startup Jobs in Wisconsin (NOW HIRING)

C# Developer

Milwaukee, WI

$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 ...

Web Development Tutor

Madison, WI · Remote

$18 - $40/hr

... full-stack development roles and software engineering careers. * Conceptual Teaching & Problem ... startup technology, e-commerce, and SaaS product creation. * Curriculum Awareness & Adaptive ...

... full-stack development roles and software engineering careers. * Conceptual Teaching & Problem ... startup technology, e-commerce, and SaaS product creation. * Curriculum Awareness & Adaptive ...

Java Developer

Madison, WI · On-site

$55 - $65/hr

Codeworks, an LRS company, is seeking a Senior Java Full Stack Developer for a contract role. In this role, you will contribute to the design, development, and support of scalable, secure, and high ...

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 ...

As a full stack developer, the selected candidate will work closely with the rest of the team in designing and developing web applications. Routine team tasks include requirements analysis, design ...

Web-based (Camera ON) Due Date: 12/01/2025 Position Overview The State of Wisconsin DCF is seeking a Full Stack .NET Developer to support multiple high-profile web application initiatives. The ...

As a full stack developer, the selected candidate will work closely with the rest of the team in designing and developing web applications. Routine team tasks include requirements analysis, design ...

.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 ...

We're a well-funded startup with 9 employees and a sister company to Lucida, with shared ownership ... Full-Stack Engineer (Denari) Location: Madison, WI (Hybrid) Employment Type: Full-time About Denari ...

Senior Staff Engineer

Madison, WI · On-site

$105K - $144K/yr

Design, build, test, and ship production-ready full-stack features across React/Next.js, Node.js, ... Previous experience in an early-stage or high-growth startup, building marketplace products ...

Senior Staff Engineer

Madison, WI · On-site

$105K - $144K/yr

Design, build, test, and ship production-ready full-stack features across React/Next.js, Node.js, ... Previous experience in an early-stage or high-growth startup, building marketplace products ...

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Showing results 1-20

Full Stack Developer Startup information

What is the difference between Full Stack Developer Startup vs Front End Developer?

AspectFull Stack Developer StartupFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, databases, and server managementSpecialized in client-side technologies like HTML, CSS, JavaScript, and frameworks like React or Angular
Work EnvironmentFast-paced startup setting, often wearing multiple hats, involved in full project lifecyclePrimarily focused on designing and implementing user interfaces and user experience
Common UsageUsed in startups needing versatile developers capable of handling entire applicationsUsed in teams focusing on UI/UX and front-end development within startups or larger companies

In summary, a Full Stack Developer Startup has a broader skill set covering both front-end and back-end development, suitable for dynamic startup environments. A Front End Developer specializes in creating engaging user interfaces, often working within larger teams or specific projects. The choice depends on the scope of work and technical expertise required.

What cities in Wisconsin are hiring for Full Stack Developer Startup jobs? Cities in Wisconsin with the most Full Stack Developer Startup job openings:
Infographic showing various Full Stack Developer Startup job openings in Wisconsin as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Software Engineer II (Java)

$136K - $204K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted yesterday


Job description

Why Sony Interactive Entertainment?

Sony Interactive Entertainment isn't just the Best Place to Play - it's also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we're part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity.

We are seeking an experienced Java Full stack Developer to join our dynamic development team. This role involves creating seamless and secure solutions and ensuring delivery of exceptional user experiences. As a full-stack developer, you will work across the stack, contributing to both the front-end and back-end architecture and implementation. You will work closely with front-end developers, product managers, and other stakeholders to deliver scalable and reliable software solutions. The ideal candidate will have a strong background in Java programming, experience with microservices architecture, and a passion for building robust systems that drive our business forward.

Responsibilities:

  • Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems
  • Design, develop, and maintain backend services and APIs using Java and Spring.
  • Collaborate with front-end developers and other team members to integrate user-facing elements with server-side logic.
  • Create automated unit tests using a Test-Driven Development approach
  • Implement and maintain microservices architectures that are scalable, reliable, and efficient.
  • Doing robust delivery of code into the production environment with zero tolerance for post implementation issues
  • Take part in decisions affecting long range organizational goals & strategic planning.
  • Proactively look to develop, implement and further development best practices across the group.
  • Contribute to quality improvement, code reviews, code and architecture standards, code reuse etc.
  • Experienced with handling integrations from any Content Management System and headless JSON framework
  • Troubleshoot and resolve issues in a timely manner, ensuring the stability and reliability of the backend systems.
  • Stay up-to-date with the latest industry trends and technologies to continuously improve our systems.

Experience:

  • Bachelor's degree or equivalent
  • Hands-on practical experience in system design, application development, testing, and operational stability
  • Strong core Java experience with clear understanding of advanced concepts in collection framework, garbage collection, multi threading etc.
  • Hands on experience in Java\J2EE, Spring Boot, Database knowledge, Kafka, React JS, CI\CD, designing features, AWS cloud experience
  • Strong problem solving, analytical and communication skills (both verbal and written)
  • Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages
  • Overall knowledge of the Software Development Life Cycle
  • Solid understanding of agile methodologies such as CI/CD, Applicant Resiliency, and Security
  • Ability to take on difficult and complex large scale problems and provide end to end solutions.
  • Ability to build and maintain strong relationships with stakeholders in business, operations, operate etc.

Preferred Qualities & Experience

  • Exposure to DevOps methodology and AWS concepts
  • Having an Adobe Experience Manager (AEM) is a plus
  • Strong debugging and performance optimization skills
  • Experience with data pipeline tools and familiarity with Databricks and Power BI

At SIE, we consider several factors when setting each role's base pay range, including the competitive benchmarking data for the market and geographic location.
Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location.
In addition, this role is eligible for SIE's top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Clickhere to learn more.

The estimated base pay range for this role is listed below.
$136,400-$204,600 USD

Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks.

Please refer to ourCandidate Privacy Noticefor more information about what personal information we collect, how we use it, who we share it with, and your data protection rights.

Equal Opportunity Statement:

Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category.

We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond.

Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.