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Junior Mern Stack Developer Jobs in Wisconsin (NOW HIRING)

Deloitte

CyberArk Senior Consultant

Milwaukee, WI

Experience mentoring junior or mid-level developers, leading code reviews, and providing ... Hands-on experience in full stack software development across frontend and backend technologies.

FIS

Senior Backend Engineer

Milwaukee, WI

$97K - $195K/yr

Mentor junior team members and contribute to a culture of continuous learning and improvement ... Engage in full-stack development, from backend systems to user interfaces. Work with technologies ...

Worldpay, Inc.

Senior Backend Engineer

Milwaukee, WI · On-site

$97K - $195K/yr

Mentor junior team members and contribute to a culture of continuous learning and improvement ... Engage in full-stack development, from backend systems to user interfaces. Work with technologies ...

Ashley Furniture Industries, LLC.

$90K - $115K/yr

... Technology Stack * Latest warehouse automation systems and platforms * Advanced robotics (AMRs ... Mentor junior engineers and provide technical guidance * Stay current on emerging automation ...

Findhelp

Senior Staff Quality Engineer

Madison, WI · On-site

$89K - $121K/yr

... mentorship to junior and mid-level quality engineers, cultivating their technical expertise ... like Elastic Stack (Elasticsearch, Kibana) • Experience with performance, security, or ...

TEKsystems

Network Engineer (3)

Menasha, WI · Hybrid

$25 - $55/hr

Provide technical leadership, mentorship, and knowledge transfer to junior engineers and support ... As an industry leader in Full-Stack Technology Services, Talent Services, and real-world ...

TEKsystems

Network Engineer (3)

Menasha, WI · Hybrid

$25 - $55/hr

Provide technical leadership, mentorship, and knowledge transfer to junior engineers and support ... As an industry leader in Full-Stack Technology Services, Talent Services, and real-world ...

Infleqtion

Sr Software Engineer

Madison, WI · On-site

$106K - $145K/yr

Mentor and guide junior engineers, fostering their growth and enhancing the team's technical ... Support and debug all layers of the control stack from real-time embedded kernels to distributed ...

Infleqtion

Sr Software Engineer

Madison, WI

$106K - $145K/yr

Mentor and guide junior engineers, fostering their growth and enhancing the team's technical ... Support and debug all layers of the control stack from real-time embedded kernels to distributed ...

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Junior Mern Stack Developer information

See Wisconsin salary details

$24.2K

$89.8K

$138.8K

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

As of Jul 16, 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.

Can I learn MERN in 3 months?

As a Junior MERN Stack Developer, learning the core technologies—MongoDB, Express.js, React, and Node.js—can be achieved in three months with intensive study and practical projects. However, mastering advanced concepts and building a strong portfolio typically requires ongoing practice beyond this timeframe.

Will AI replace MERN?

AI is unlikely to fully replace MERN stack developers, as the role requires understanding complex application logic, coding, and problem-solving that AI tools can assist but not fully automate. Developers skilled in JavaScript, React, Node.js, and MongoDB will continue to be essential for building and maintaining web applications, especially as AI can enhance productivity and automate routine tasks. Staying updated with new tools and frameworks is important for MERN developers to remain competitive in the evolving tech landscape.

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.

Is MERN stack still in demand?

The MERN stack remains in high demand for web development roles, including Junior MERN Stack Developers, due to its popularity for building scalable and efficient applications. Skills in MongoDB, Express.js, React, and Node.js are highly valued by employers, and knowledge of JavaScript across the stack is essential for many tech companies.

Is MERN stack in demand in 2026?

The MERN stack, which includes MongoDB, Express.js, React, and Node.js, remains highly in demand for junior MERN Stack developers due to its popularity in web development and the growing need for full-stack skills. Proficiency in JavaScript and frameworks like React and Node.js are valuable for job opportunities in 2026.

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 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
CyberArk Senior Consultant

CyberArk Senior Consultant

Deloitte

Milwaukee, WI

Other

Re-posted 27 days ago

Deloitte rating

8.1

Company rating: 8.1 out of 10

Based on 90 frontline employees who took The Breakroom Quiz

59th of 148 rated financial services

Job description

Deloitte Cyber understands the unique challenges and opportunities businesses face in cybersecurity. Deloitte's Cyber team helps our clients navigate the ever-changing threat landscape. We simplify complexity, and enable businesses to operate with resilience, grow with confidence, and proactively manage their security posture.

You will be responsible for individually delivering high quality products within due timelines. Need-basis you will be mentoring and/or directing junior team members/liaising with onsite/offshore teams to understand the functional requirements. 

Recruiting for this role ends on 9/30/2026.

Work you will do:

  • Working closely with business, solution engineers, team members and leadership to understand business requirements and deliver high quality technical solutions
  • Analyzing, implementing user requirements/business needs as new and/or enhanced product functionality
  • Identifying key drivers of a problem and proposes technical solutions using analysis, experience, and decision making
  • Developing solutions to client problems through application of methods and tools; validating solutions to SMEs
  • Understanding the benefits of using state of the art methods and tools and their application on a particular engagement contributes to continuous development of methods and tools
  • Demonstrating accountability and contributions to the successful realization of client goals

The Team:

Deloitte's Cyber Engineering is a new team that is spearheading the buildout of Cybersecurity technology that will underpin the next generation of our Cybersecurity services. Join us as we work with technologies shaping the future of Cybersecurity to build future capabilities today.

Required Qualifications

We require 3-5 years of experience for all skill areas below:

  • Hands-on experience in full stack software development across frontend and backend technologies.
  • Experience designing, developing, deploying, implementing, or supporting AI, Generative AI, or Agentic AI solutions and architectures in enterprise applications on AWS, Azure, or GCP.
  • Experience with object-oriented programming using languages such as Java, Python, or JavaScript/TypeScript.
  • Experience with frontend development using Angular, React, or Next.js, and with JavaScript, TypeScript, HTML5, and CSS3 in production environments.
  • Experience with at least one backend technology stack: Node.js, Python (Django or Flask), or Java (Spring Boot).
  • Experience building and consuming REST APIs and microservices.
  • Experience with relational databases such as MySQL, PostgreSQL, SQL Server, or Oracle, and with at least one NoSQL database such as MongoDB, Redis, Cassandra, or DynamoDB.
  • Experience using Git and development lifecycle tools such as Azure DevOps.
  • Experience with unit testing frameworks such as JUnit, Mockito, or equivalent, and with automated testing and CI/CD pipeline implementation.
  • Experience deploying applications, APIs, or analytics workloads to AWS, Azure, or GCP.
  • Experience working in Agile/Scrum delivery environments.
  • Cloud certification in AWS, Azure, or GCP
  • Bachelor's degree in computer science, Engineering, Information Technology, Data Science, Applied Mathematics, Physics, Statistics, or a related field.
  • Ability to travel up to 20% on average, based on the work you do and the clients and industries/sectors you serve.
  • Limited immigration sponsorship may be available

Preferred Qualifications

  • Experience with Docker, container-based application development, and serverless architectures.
  • Experience with secure development practices or cybersecurity-focused application development.
  • Hands-on experience building and deploying GenAI/LLM-powered solutions in client or production environments.
  • Experience with one of the following Frontier GenAI Platforms: Anthropic, Google or Open AI, including hands on experience with one of the following key platforms/products; Claude API, Claude for Enterprise, tool use, extended thinking, Claude Code, Gemini API, Vertex AI Agent Builder, Grounding, Google Workspace integration, GPT-4o, Assistants API, Responses API, OpenAI Agents SDK.
  • Experience contributing to project planning, estimation, or risk tracking.
  • Experience mentoring junior or mid-level developers, leading code reviews, and providing development feedback.
  • Experience partnering with product managers, designers, and business stakeholders to translate requirements into technical solutions.
  • Strong written and verbal communication skills in cross-functional team environments.
  • Cloud certification in AWS, Azure, or GCP.
  • Familiarity with OpenSearch or Elasticsearch.
  • Exposure to graph databases such as Neo4j or Memgraph.
  • Familiarity with build tools such as Maven or Gradle.
  • Experience with Bootstrap, jQuery, or JSP in legacy or mixed-technology environments.
  • Familiarity with DevOps or DevSecOps practices.
  • Knowledge of web security, GitOps, and Kubernetes customization.
  • Basic understanding of AI/ML frameworks such as TensorFlow or PyTorch.

Compensation

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions, including but not limited to skill sets, experience and training, licensure and certifications, and other business and organizational needs. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $113,100 - 208,300.

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance.

#CyberDTP27


Qualifications:

Deloitte Cyber understands the unique challenges and opportunities businesses face in cybersecurity. Deloitte's Cyber team helps our clients navigate the ever-changing threat landscape. We simplify complexity, and enable businesses to operate with resilience, grow with confidence, and proactively manage their security posture.

You will be responsible for individually delivering high quality products within due timelines. Need-basis you will be mentoring and/or directing junior team members/liaising with onsite/offshore teams to understand the functional requirements. 

Recruiting for this role ends on 9/30/2026.

Work you will do:

  • Working closely with business, solution engineers, team members and leadership to understand business requirements and deliver high quality technical solutions
  • Analyzing, implementing user requirements/business needs as new and/or enhanced product functionality
  • Identifying key drivers of a problem and proposes technical solutions using analysis, experience, and decision making
  • Developing solutions to client problems through application of methods and tools; validating solutions to SMEs
  • Understanding the benefits of using state of the art methods and tools and their application on a particular engagement contributes to continuous development of methods and tools
  • Demonstrating accountability and contributions to the successful realization of client goals

The Team:

Deloitte's Cyber Engineering is a new team that is spearheading the buildout of Cybersecurity technology that will underpin the next generation of our Cybersecurity services. Join us as we work with technologies shaping the future of Cybersecurity to build future capabilities today.

Required Qualifications

We require 3-5 years of experience for all skill areas below:

  • Hands-on experience in full stack software development across frontend and backend technologies.
  • Experience designing, developing, deploying, implementing, or supporting AI, Generative AI, or Agentic AI solutions and architectures in enterprise applications on AWS, Azure, or GCP.
  • Experience with object-oriented programming using languages such as Java, Python, or JavaScript/TypeScript.
  • Experience with frontend development using Angular, React, or Next.js, and with JavaScript, TypeScript, HTML5, and CSS3 in production environments.
  • Experience with at least one backend technology stack: Node.js, Python (Django or Flask), or Java (Spring Boot).
  • Experience building and consuming REST APIs and microservices.
  • Experience with relational databases such as MySQL, PostgreSQL, SQL Server, or Oracle, and with at least one NoSQL database such as MongoDB, Redis, Cassandra, or DynamoDB.
  • Experience using Git and development lifecycle tools such as Azure DevOps.
  • Experience with unit testing frameworks such as JUnit, Mockito, or equivalent, and with automated testing and CI/CD pipeline implementation.
  • Experience deploying applications, APIs, or analytics workloads to AWS, Azure, or GCP.
  • Experience working in Agile/Scrum delivery environments.
  • Cloud certification in AWS, Azure, or GCP
  • Bachelor's degree in computer science, Engineering, Information Technology, Data Science, Applied Mathematics, Physics, Statistics, or a related field.
  • Ability to travel up to 20% on average, based on the work you do and the clients and industries/sectors you serve.
  • Limited immigration sponsorship may be available

Preferred Qualifications

  • Experience with Docker, container-based application development, and serverless architectures.
  • Experience with secure development practices or cybersecurity-focused application development.
  • Hands-on experience building and deploying GenAI/LLM-powered solutions in client or production environments.
  • Experience with one of the following Frontier GenAI Platforms: Anthropic, Google or Open AI, including hands on experience with one of the following key platforms/products; Claude API, Claude for Enterprise, tool use, extended thinking, Claude Code, Gemini API, Vertex AI Agent Builder, Grounding, Google Workspace integration, GPT-4o, Assistants API, Responses API, OpenAI Agents SDK.
  • Experience contributing to project planning, estimation, or risk tracking.
  • Experience mentoring junior or mid-level developers, leading code reviews, and providing development feedback.
  • Experience partnering with product managers, designers, and business stakeholders to translate requirements into technical solutions.
  • Strong written and verbal communication skills in cross-functional team environments.
  • Cloud certification in AWS, Azure, or GCP.
  • Familiarity with OpenSearch or Elasticsearch.
  • Exposure to graph databases such as Neo4j or Memgraph.
  • Familiarity with build tools such as Maven or Gradle.
  • Experience with Bootstrap, jQuery, or JSP in legacy or mixed-technology environments.
  • Familiarity with DevOps or DevSecOps practices.
  • Knowledge of web security, GitOps, and Kubernetes customization.
  • Basic understanding of AI/ML frameworks such as TensorFlow or PyTorch.

Compensation

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions, including but not limited to skill sets, experience and training, licensure and certifications, and other business and organizational needs. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $113,100 - 208,300.

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance.

#CyberDTP27


Education:Bachelor's DegreeEmployment Type:

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