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Javascript Backend Developer Jobs in Wisconsin (NOW HIRING)

TIER4 GROUP

Sr. Full Stack Developer

Milwaukee, WI · Hybrid

NET Core and JavaScript development and application support. You will be working on a high-impact ... their backend. What's the role? Collaborate with an engineering Scrum team, providing purpose ...

InterGame Ltd

WI · On-site

$90 - $120/hr

Develop and integrate backend services, front-end features, messaging systems and background ... JavaScript, HTML and CSS. * Proficiency in C# , .NET technologies ,ASP.NETMVC, Service Oriented ...

New

Standard Process

WI · On-site

$120 - $160/hr

  • Medical

  • Life

  • Retirement

  • PTO

This role operates across both front-end and back-end systems, with a strong emphasis on enterprise ... Develop and support enterprise applications using PHP, Oracle PL/SQL, JavaScript, HTML, and CSS.

New

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 ...

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 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 ...

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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

Foundation Finance Company, LLC

Rothschild, WI • On-site

$75K - $85K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 28 days ago

Job description

A final in-person interview maybe required for this position.
Full Stack Developer Description & Duties:
The Full Stack Developer is a highly skilled individual proficient in various areas of focus, including Front-End, Middleware, and Back-End development. Responsible for designing and developing front-end web architectures driven by middleware to retrieve information from back-end sources.
This role will excel in our evolving technology stack, which currently includes JavaScript, GraphQL, Jest, Kafka, MERN (MongoDB, Express, React, Node.js), NestJS, Redis, SQL, and TypeScript, and demonstrate proficient skills in test-driven development, RESTful APIs, collaboration, communication, security best practices, and performance optimization.
Pay Range
USD $75,000.00 - USD $85,000.00 /Yr.
Essential Duties and Responsibilities included the following. Other duties may be assigned.
  • Design and develop front-end web architectures driven by middleware to retrieve information from back-end sources.
  • Develop software in our technology stack, which is constantly evolving but currently includes JavaScript, GraphQL, Jest, Kafka, MERN (MongoDB, Express, React, Node.js), NestJS, Redis, SQL, and TypeScript.
  • Complete test-driven development and write unit tests.
  • Maintain working knowledge of RESTful APIs and formats (JSON, XML).
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Maintain knowledge of security best practices in web development to safeguard customer and company data.
  • Design performance optimized and scalable web applications.
  • Utilize agile methodologies and scrum planning tools like Jira to help the development team meet its sprint goal.
  • Other duties as assigned by management.

Must be able to come to work promptly and regularly. Must be able to take direction and work well with others. Must be able to work under the stress of deadlines. Must be able to concentrate and perform accurately. Must be able to react to change productively.
Minimum Qualifications:
  • Bachelor's degree in Computer Science, Engineering or similar relevant field.
  • 2 years of relevant experience in front end, middleware, or backend development, OR combination of education and experience.
  • Any technical certifications from Amazon, Atlassian, Google, Microsoft, or in an essential duty mentioned above are a plus.

About Foundation Finance:
Foundation Finance Company (FFC), a Great Place to Work® certified company since 2017, is a fast-growing consumer finance company working with home improvement contractors across the U.S. to drive sales through flexible, customer-focused financing options.
Available Benefits:
• Day-one Health Benefits (medical, dental, vision, and flexible spending options like HSA or FSA accounts).
• 401(k) with company match enrollment on day-one.
• Paid, Sick and Volunteer Time Off
• Paid Parental Leave Options
• Employer Paid Life and Disability
• Wellbeing on Demand Program
• Flexible Work Environment with a casual dress code
*Employment status (full-time or part-time) may affect eligibility for certain benefits. Some benefits become available only after a specified period of employment. Please refer to our Benefits page for details.
Office environment with significant time spent sitting, typing and talking on the telephone.
Foundation Finance Company provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.
If you reside in the state of Colorado, please click on the following link to review our benefits: Foundation Finance Benefits
These benefits are designed to support our employees in their professional growth, health, and overall well-being. Eligibility, coverage details, and enrollment processes will be provided during the onboarding process. At Foundation Finance Company, we are committed to fostering a positive work environment where employees can thrive both personally and professionally.
Remote Work Disclaimer
Foundation Finance Company LLC requires that remote employees must reside in one of the following states to be considered for any of our remote positions: AL, AR, AZ, CO, FL, GA, IL, IN, KY, LA, MD, MI, MN, MO, MS, NC, NJ, NV, NY, OH, OK, OR, SC, TN, TX, UT, VA, WA, and WI.

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