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Internship Junior Mern Stack Developer Jobs in Milwaukee, WI

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

Hydrite

Junior IT Developer

Brookfield, WI

$63K - $82K/yr

JOIN A TOP WORKPLACE - JUNIOR IT DEVELOPER The Junior IT Application Developer is a curious ... internships, co-ops, and entry-level roles count. * Experience with at least one programming ...

Hydrite

Junior IT Developer

Brookfield, WI · On-site

$63K - $82K/yr

JOIN A TOP WORKPLACE - JUNIOR IT DEVELOPER The Junior IT Application Developer is a curious ... internships, co-ops, and entry-level roles count. * Experience with at least one programming ...

Hydrite

Junior IT Developer

Brookfield, WI

$63K - $82K/yr

JOIN A TOP WORKPLACE - JUNIOR IT DEVELOPER The Junior IT Application Developer is a curious ... internships, co-ops, and entry-level roles count. * Experience with at least one programming ...

Uline

Outside Sales Internship - Summer 2027

Kenosha, WI · On-site

$14.75 - $19.75/hr

... stacked with 43,000+ quality products. * Take part in weekly sales team meetings to learn from ... This full-time internship is open to college Sophomore and Junior-status students only.

ULINE

Outside Sales Internship - Summer 2027

Milwaukee, WI · On-site

$14.75 - $20/hr

... stacked with 43,000+ quality products. * Take part in weekly sales team meetings to learn from ... This full-time internship is open to college Sophomore and Junior-status students only.

ULINE

Outside Sales Internship - Summer 2027

Kenosha, WI

$14.75 - $19.75/hr

... stacked with 43,000+ quality products. * Take part in weekly sales team meetings to learn from ... This full-time internship is open to college Sophomore and Junior-status students only.

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All JobsMern Stack Developer JobsInternship Junior Mern Stack Developer JobsInternship Junior Mern Stack Developer Jobs in Milwaukee, WI

Internship Junior Mern Stack Developer information

See Milwaukee, WI salary details

$23.6K

$87.7K

$135.5K

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

As of Aug 26, 2026, the average yearly pay for internship junior mern stack developer in Milwaukee, WI is $87,662.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,000.00 and $85,700.00 per year, depending on experience, location, and employer.

What is an internship junior MERN Stack developer?

An Internship Junior MERN Stack Developer is an entry-level developer who is learning to build web applications using the MERN stack, which includes MongoDB, Express.js, React.js, and Node.js. During their internship, they assist with coding, debugging, and testing web applications under the guidance of senior developers. This role helps interns gain practical experience with full-stack JavaScript development and prepares them for more advanced positions in web development.

What are the key skills and qualifications needed to thrive as an internship junior MERN Stack developer?

To thrive as an Internship Junior MERN Stack Developer, you need a foundational understanding of JavaScript, HTML, CSS, and core concepts of MongoDB, Express.js, React, and Node.js, usually gained through coursework or self-study. Familiarity with version control systems like Git, as well as experience using code editors and basic debugging tools, is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you integrate with teams and adapt to new challenges. These skills are essential for building functional web applications, collaborating in agile environments, and growing into more advanced development roles.

What types of projects can an internship junior MERN Stack developer expect to work on, and how are tasks typically assigned within the team?

As an Internship Junior MERN Stack Developer, you will often work on real-world web applications, assisting with both front-end and back-end development tasks using MongoDB, Express.js, React, and Node.js. Tasks are usually assigned by senior developers or a project manager, and may include bug fixing, implementing new features, writing unit tests, or improving user interfaces. You'll likely participate in daily stand-up meetings and collaborate closely with other developers, designers, and sometimes even clients, gaining exposure to agile development practices. This collaborative environment helps you build both technical and teamwork skills, preparing you for more advanced roles in the future.

What are popular job titles related to Internship Junior Mern Stack Developer jobs in Milwaukee, WI?

For Internship Junior Mern Stack Developer jobs in Milwaukee, WI, the most frequently searched job titles are:

What job categories do people searching Internship Junior Mern Stack Developer jobs in Milwaukee, WI look for?

The top searched job categories for Internship Junior Mern Stack Developer jobs in Milwaukee, WI are:

Internship Junior Mern Stack Developer jobs near you
Infographic showing various Internship Junior Mern Stack Developer job openings in Milwaukee, WI as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $87,662 per year, or $42.1 per hour.

Sr. Full Stack Developer

Milwaukee, WI • Hybrid

TIER4 GROUP
IT Services • 51 - 200 employees
Learn more about TIER4 GROUPexternal

Full-time

Re-posted 8 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