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Junior Mern Stack Developer Jobs in Pennsylvania

Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Java Full Stack Developer Location: Pittsburgh Position Type: Contract Duration: 6 / 12 Month Work ... junior team members High level of accountability and commitment Good to have/ Developmental ...

(JAVA FULL STACK DEVELOPER)

Pittsburgh, PA · On-site

$51 - $65.75/hr

Mentor junior developers and provide technical guidance to the team. Continuously evaluate and adopt emerging technologies to improve development efficiency and application performance. Best regards ...

Posted today

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Junior Mern Stack Developer information

See Pennsylvania salary details

$24.1K

$89.2K

$137.8K

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

As of Aug 12, 2026, the average yearly pay for junior mern stack developer in Pennsylvania is $89,189.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,200.00 and $87,200.00 per year, depending on experience, location, and employer.

Is Junior Mern Stack Developer in demand in 2026?

Junior Mern Stack Developers are expected to remain in demand through 2026 due to the continued growth of web applications and the popularity of JavaScript frameworks like React, Node.js, and MongoDB. Strong skills in full-stack development, including proficiency with these tools, can improve job prospects as companies seek versatile developers for modern tech stacks.

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.

How much does a junior Mern Stack Developer make?

A junior MERN Stack Developer in the US typically earns between $50,000 and $80,000 annually, depending on experience, location, and company size. Entry-level developers with skills in React, Node.js, and MongoDB are often compensated within this range.

What is a junior MERN Stack Developer?

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 Pennsylvania? The most popular types of Mern Stack Developer jobs in Pennsylvania are:
What are popular job titles related to Junior Mern Stack Developer jobs in Pennsylvania? For Junior Mern Stack Developer jobs in Pennsylvania, the most frequently searched job titles are:
What cities in Pennsylvania are hiring for Junior Mern Stack Developer jobs? Cities in Pennsylvania with the most Junior Mern Stack Developer job openings:
Infographic showing various Junior Mern Stack Developer job openings in Pennsylvania as of August 2026, with employment types broken down into 1% Internship, 84% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $89,189 per year, or $42.9 per hour.

$77K - $180K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 14 days ago


Job description

Good things are happening at Berkshire Hathaway GUARD Insurance Companies—an A+ (Superior) rated, nationwide Property & Casualty insurer backed by Berkshire Hathaway. With supportive leadership, collaborative teams, and opportunities to grow, GUARD is a place where people build meaningful, longterm careers.


Good Things You Can Count On.
•  Hybrid schedule: 2 days remote / 3 inoffice
•  Predictable hours (no nights, weekends, or holidays)
•  Competitive pay + generous PTO
•  Medical, dental & vision starting day one
•  401(k), tuition reimbursement & longevity bonuses


We are growing our engineering organization and seeking Full Stack Developers across all experience levels who are excited about modern software development and AI-enabled engineering practices.

This is an opportunity to work in an environment where cloud-first architecture, automation, and AI-assisted development tools (e.g., GitHub Copilot and enterprise AI solutions) are actively embraced to improve productivity, code quality, and developer experience.

Whether you are early in your career or an experienced engineer, you’ll contribute to building scalable systems while continuously evolving your technical and AI-assisted development skills.


What You Can Expect

  • A modern engineering culture focused on:
    • AI-assisted development and productivity tools
    • Cloud-first application design
    • Continuous learning and upskilling
    • Strong mentorship and career growth paths

Role Responsibilities

Responsibilities will scale based on experience level and may include:

Core Engineering

  • Design, develop, and maintain modern full-stack applications
  • Build and integrate APIs and responsive user interfaces
  • Write clean, secure, testable, and maintainable code
  • Collaborate within Agile teams to deliver business value

Modern Engineering Practices

  • Leverage AI-assisted coding tools (e.g., GitHub Copilot) to accelerate development and improve quality
  • Contribute to cloud-first development practices using Azure services
  • Participate in CI/CD pipelines, automation, and DevOps practices
  • Help evolve engineering standards, reusable components, and best practices

Performance, Quality & Collaboration

  • Monitor and optimize application performance and scalability
  • Build and execute automated tests (unit, integration, end-to-end)
  • Participate in code reviews and knowledge sharing
  • Partner with product and business stakeholders on solution design

Advanced Contributions (Mid–Senior Levels)

  • Influence system architecture and design decisions
  • Mentor junior developers and support team growth
  • Drive adoption of modern tools, frameworks, and AI capabilities
  • Lead technical initiatives and continuous improvement efforts

We intentionally welcome candidates at different experience levels. If you meet many—but not all—of these, we encourage you to apply.

Foundational Qualifications

  • Degree in Computer Science or related field, or equivalent practical experience
  • Understanding of software development fundamentals
  • Experience or exposure to object-oriented programming and web development
  • Strong problem-solving skills and a growth mindset

Technical Skills (Experience-Based)

  • Backend development experience (C#/.NET or similar technologies)
  • Front-end development using modern frameworks (React, Angular, Vue, etc.)
  • Understanding of RESTful APIs and web services
  • Familiarity with cloud platforms (Azure preferred)
  • Experience with databases (SQL and/or NoSQL)
  • Knowledge of version control (Git) and collaborative workflows

Modern Engineering & AI (Preferred)

  • Experience using AI-assisted development tools (e.g., GitHub Copilot, ChatGPT, etc.)
  • Familiarity with cloud-native architectures and microservices
  • Understanding of CI/CD pipelines and DevOps practices
  • Exposure to application security and identity standards (OAuth, OpenID)
  • Experience working in Agile environments (Scrum, Kanban)

Career Growth & Development

This role supports a wide range of career paths:

  • Early Career: Build foundational skills with mentorship and guided development
  • Mid-Level: Take ownership of features and expand technical depth
  • Senior-Level: Lead design decisions, mentor others, and shape engineering practices

We actively invest in our engineers through:

  • Hands-on learning and real-world problem solving
  • AI and modern engineering skill development
  • Clear advancement paths across technical and leadership tracks

Salary Range $77,762.70 - $180,082.10 + bonus

In accordance with applicable pay transparency laws, this range represents a good-faith estimate. Final compensation will be determined based on factors such as experience, credentials, geographic location, and other considerations permitted by law.

This role may be based out of any of our office locations, including:

Parsippany, NJ; Conshohocken, PA; WilkesBarre, PA; Alpharetta, GA; Scottsdale, AZ

*Applicants must be authorized to work in the U.S. without current or future sponsorship.