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Junior Mern Stack Developer Jobs in Wisconsin (NOW HIRING)

TIER4 GROUP

Sr. Full Stack Developer

Milwaukee, WI · Hybrid

Title: Sr Full Stack Developer Location: Milwaukee, WI preferred, willing to consider remote talent ... May take on a mentoring role and provide guidance and support to junior technical talent

Dellfor Technologies

senior .net developer

Madison, WI

$55.50 - $70.50/hr

NET stack (WISA, WINS) C#, WPF * Recent 1+ years of developing web application in open source stack (MEAN, MERN) * 2+ years of writing code in JS (ES6), JQuery, HTML, CSS, C# * At Least 5+ years of ...

Continuus Technologies LLC

Jr. Data Engineer

Germantown, WI · On-site

$116.50K - $139.90K/yr

Overview The Junior Data Engineer supports the design, development, and maintenance of data ... Understanding of data lakes and modern data stack concepts * Experience working with large or ...

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$24.2K

$89.8K

$138.8K

How much do junior mern stack developer jobs pay per year?

As of May 29, 2026, the average yearly pay for junior mern stack developer in Wisconsin is $89,808.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,600.00 and $87,800.00 per year, depending on experience, location, and employer.

What is a Junior Mern Stack Developer job?

A Junior MERN Stack Developer is an entry-level software developer who specializes in building web applications using the MERN stack, which consists of MongoDB, Express.js, React, and Node.js. They assist in developing, testing, and maintaining both front-end and back-end components of web applications. Typical responsibilities include writing clean code, fixing bugs, collaborating with senior developers, and integrating APIs. Strong foundational knowledge of JavaScript, database management, and version control (e.g., Git) is essential. This role is ideal for individuals looking to gain hands-on experience and grow their skills in full-stack development.

What are the key skills and qualifications needed to thrive in the Junior Mern Stack Developer position, and why are they important?

To thrive as a Junior MERN Stack Developer, you need a solid understanding of JavaScript, React.js, Node.js, Express, and MongoDB, typically supported by a relevant degree or coding bootcamp. Familiarity with version control systems like Git, Agile development practices, and basic knowledge of RESTful APIs are highly valued, while certifications in web development can enhance your candidacy. Strong problem-solving abilities, good communication skills, and a willingness to learn enable effective collaboration and growth in this role. These skills and qualities are essential for building efficient web applications and contributing successfully to dynamic development teams.

What kind of projects or tasks might a Junior MERN Stack Developer typically work on?

As a Junior MERN Stack Developer, you will often be involved in building and maintaining web applications, implementing new features, and fixing bugs within the application stack. Your day-to-day work may include writing code for both front-end (using React.js) and back-end (using Node.js and Express), working with databases like MongoDB, and collaborating closely with other developers, designers, and project managers. You may also be asked to participate in code reviews, contribute to team discussions on architecture or user experience, and learn best practices for scalable and maintainable code. This hands-on experience helps you develop your technical skills and prepares you for more advanced responsibilities as your career progresses.
More about Junior Mern Stack Developer jobs
What are the most commonly searched types of Mern Stack Developer jobs in Wisconsin? The most popular types of Mern Stack Developer jobs in Wisconsin are:
What are popular job titles related to Junior Mern Stack Developer jobs in Wisconsin? For Junior Mern Stack Developer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Junior Mern Stack Developer jobs in Wisconsin look for? The top searched job categories for Junior Mern Stack Developer jobs in Wisconsin are:
What cities in Wisconsin are hiring for Junior Mern Stack Developer jobs? Cities in Wisconsin with the most Junior Mern Stack Developer job openings:
Junior Mern Stack Developer jobs near you
Infographic showing various Junior Mern Stack Developer job openings in Wisconsin as of May 2026, with employment types broken down into 83% Full Time, 9% Part Time, and 8% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $89,808 per year, or $43.2 per hour.
Sr. Full Stack Developer

Sr. Full Stack Developer

TIER4 GROUP

Milwaukee, WI • Hybrid

Full-time

Posted 9 days ago

Job description

Title: Sr Full Stack Developer

Location: Milwaukee, WI preferred, willing to consider remote talent

Schedule: Hybrid 2-3 days a week onsite (if local)

Hours: 40 hours per week

Duration: 6+ months


Our Client's mission is to build a fabulous and efficient experience for our Workplace Portal environments. We are looking for a dynamic and talented Senior software engineer to join Workplace Portals Engineering focusing on .NET Core and JavaScript development and application support. You will be working on a high-impact modernization effort building an application that delivers value to our field force. The ideal candidate is full-stack, and comfortable working on front-end apps as well as their backend.


What's the role? Collaborate with an engineering Scrum team, providing purpose, motivation, and alignment with objectives established by senior leadership. Ensures a high standard of reliability, performance and production stability in applications and services owned and supported by the team. Contributes to refinement of features allocated to the team, as well as solution definition and decomposition into stories for the team. Remains focused in order to overcome challenges and ensure features are completed and deployed by dates committed to in quarterly Program Increment (PI) planning. Finds opportunities for continuous improvement and owns initiatives that help the team improve. Engages and helps establish an inclusive culture within the team, models what we value and behaviors, and encourages collaboration and respect for diverse perspectives. Open to mentoring and coaching opportunities in technical and soft skills, with a hunger to grow. Qualifications Bachelor’s Degree or equivalent experience 3-5 years of professional software development experience required 3-5+ years of experience working with modern software engineering tools such as Kubernetes and AWS Lambda Experience with Javascript (React, GQL, Express) Proficient in practices such as Domain Data Modeling and API-first design. Proven track record of optimally crafting and delivering significant and impactful technology solutions. Capable of effectively communicating with product, engineering, and business partners, including proven ability to communicate to both technical and non-technical audiences in varying forms and levels of detail.


Primary Duties & Responsibilities

  • Develop and deploy applications following the software development life cycle
  • Troubleshoot and resolve technical issues that may arise during the development and deployment of software projects
  • Conduct thorough code reviews to ensure compliance with established coding standards and best practices
  • Has an evolving understanding of system-wide architectural challenges
  • Contribute to technical discussions and decision-making processes within the team
  • May take on a mentoring role and provide guidance and support to junior technical talent
  • Recommend efficiencies to current established development and continuous integration practices


Qualifications

  • Bachelor’s Degree or equivalent experience
  • 4+ years of professional application development experience
  • 4+ years of experience working with modern engineering tools, languages and practices
  • Proven track record of delivering significant and impactful technology solutions
  • 2+ years’ professional experience with .NET Core development and/or Java development
  • 2+ years’ professional experience with a JavaScript framework (React and NextJS),ES6, NodeJS, Redux, RESTful services
  • Experience working with HTML and CSS
  • Experience with cloud-based development, including PaaS and SaaS, and Docker and/or Kubernetes
  • Exposure to and understanding of CICD pipelines
  • Exposure/Understanding of automated testing concepts: unit testing and Test-Driven Development
  • Ability to communicate effectively to both technical and non-technical audiences
  • Understanding of design patterns and architecture


Nice to Haves:

  • Experience developing in a Content Management System (CMS), specifically Optimizely
  • Have a passion for operational excellence, problem-solving, and ownership in accomplishing challenging goals