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Javascript Backend Developer Jobs in Wisconsin (NOW HIRING)

ETC

IT Developer - Mobile Apps

Middleton, WI · On-site

... back-end data sources, cloud, and RESTful web service APIs • Work with product and design teams ... • JavaScript / Typescript • SwiftUI, Android Jetpack • Angular, Node.js, jQuery • HTML ...

Eliassen Group

Mid-Level .NET Developer

Milwaukee, WI · On-site

$55 - $65/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

NET Developer to join a collaborative team supporting Finance and HR applications. The role ... back-end services and APIs using C# and .NET. * Contribute to front-end features with JavaScript ...

Eliassen Group

Mid-Level .NET Developer

Milwaukee, WI · On-site

$55 - $65/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

NET Developer to join a collaborative team supporting Finance and HR applications. The role ... back-end services and APIs using C# and .NET. * Contribute to front-end features with JavaScript ...

Snap-on Inc

Support Engineer

Kenosha, WI

Troubleshoot and resolve issues across web applications, APIs, and backend services * Analyze ... Exposure to JavaScript-based web applications or REST APIs * Experience with tools like Azure ...

Snap-on Inc

Support Engineer

Kenosha, WI

Troubleshoot and resolve issues across web applications, APIs, and backend services * Analyze ... Exposure to JavaScript-based web applications or REST APIs * Experience with tools like Azure ...

Jobtailor

Senior Software Engineer

Oregon, WI · On-site

$120 - $170/hr

Java, Python (Django/Flask), C/C++, C#, Objective C, JavaScript, or Go * 5 years in defining system ... backend * Strong proficiency in asynchronous processing and messaging: Hands-on experience with ...

Snap-on Diagnostics Inc.

Support Engineer

Kenosha, WI · On-site

Troubleshoot and resolve issues across web applications, APIs, and backend services * Analyze ... Exposure to JavaScript-based web applications or REST APIs * Experience with tools like Azure ...

Snap-on Inc

Support Engineer

Kenosha, WI · On-site

Troubleshoot and resolve issues across web applications, APIs, and backend services * Analyze ... Exposure to JavaScript-based web applications or REST APIs * Experience with tools like Azure ...

Expleo

Senior PHP Software Engineer

Milwaukee, WI · Remote

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Contribute across both front-end and back-end development initiatives * Develop enterprise ... Proficiency with JavaScript, HTML, and CSS * Experience working within Agile software development ...

Vortex Optics

Front End Web Developer

Barneveld, WI

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Integrate data from various back-end services, applications, and databases * Evaluate project ... PHP, JavaScript, CSS LESS * Hands on experience with development tools and platforms (jQuery, NGINX ...

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All JobsJavascript Backend Developer JobsJavascript Backend Developer Jobs in Wisconsin

Javascript Backend Developer information

See Wisconsin salary details

$12

$58

$85

How much do javascript backend developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for javascript backend developer in Wisconsin is $58.27, according to ZipRecruiter salary data. Most workers in this role earn between $47.79 and $68.89 per hour, depending on experience, location, and employer.

What does a JavaScript backend developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

What are the key skills and qualifications needed to thrive as a JavaScript backend developer, and why are they important?

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

What are the typical challenges a JavaScript backend developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

What is the difference between Javascript Backend Developer vs Javascript Frontend Developer?

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

What are popular job titles related to Javascript Backend Developer jobs in Wisconsin?

For Javascript Backend Developer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Javascript Backend Developer jobs in Wisconsin look for?

The top searched job categories for Javascript Backend Developer jobs in Wisconsin are:

Javascript Backend Developer jobs near you
Infographic showing various Javascript Backend Developer job openings in Wisconsin as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $121,209 per year, or $58.3 per hour.

FULL STACK DEVELOPER III

Sunrise Systems, Inc.

Milwaukee, WI • On-site

Full-time

Re-posted 5 days ago

Job description

Job Summary:
Sunrise Systems, Inc. is seeking a Full Stack Developer III to design and deliver scalable solutions in a modern enterprise environment. This role involves hands-on development, technical leadership, and collaboration with stakeholders to translate business needs into technical solutions.
Responsibilities:
• Designing and delivering scalable, end-to-end solutions across both front-end and back-end systems.
• Combining hands-on development with technical leadership, including mentoring team members and driving architecture decisions.
• Partnering with stakeholders to translate business needs into technical solutions.
• Playing a key role in digital transformation efforts by leveraging cloud-native technologies, microservices, and modern development practices.
Qualifications:
Required:
• Full-Stack Development Expertise (C#, .NET, Angular, TypeScript/JavaScript)
• System Design & Architecture (microservices, REST APIs, scalable solutions)
• Database Management (T-SQL, performance tuning, data modeling)
• DevOps & CI/CD (Git, pipelines, workflow automation)
• Problem-Solving & Technical Leadership (complex systems, mentoring, code reviews)
• Communication & Stakeholder Collaboration (translating business ↔ technical)
• Cloud & Modernization Experience (cloud-native architecture, digital transformation)
Company:
Sunrise Systems was founded in 1990 with a clear vision to deliver world-class staffing service solutions in all labor categories, including IT consulting and solutions; all with the commitment to provide service that exceeds expectations and become the most trusted name in the industry. Founded in 1990, the company is headquartered in Edison, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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