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Junior Mern Stack Developer Jobs in Pennsylvania

BNY

Vice President, Full-Stack Engineer

Pittsburgh, PA · On-site +1

$83K/yr

Lead the design and development of full-stack applications utilizing industry best practices and ... Conduct code reviews and provide technical mentorship to junior engineers to foster continuous ...

BNY

Vice President, Full-Stack Engineer

Pittsburgh, PA · On-site

Collaborate with DevOps engineers to define and optimize CI/CD pipelines using GitLab, ensuring ... Stay current with emerging technologies and best practices, and actively mentor junior team members.

BNY

Vice President, Full-Stack Engineer

Pittsburgh, PA · On-site

Collaborate with DevOps engineers to define and optimize CI/CD pipelines using GitLab, ensuring ... Stay current with emerging technologies and best practices, and actively mentor junior team members.

Jobsbridge

Junior Java Developer

Philadelphia, PA · On-site

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Solid understanding of web and mobile application architectures, including ...

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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 Sep 2, 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.

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 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.

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 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 job categories do people searching Junior Mern Stack Developer jobs in Pennsylvania look for?

The top searched job categories for Junior Mern Stack Developer jobs in Pennsylvania 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:

Junior Mern Stack Developer jobs near you
Infographic showing various Junior Mern Stack Developer job openings in Pennsylvania as of August 2026, with employment types broken down into 84% Full Time, 11% Part Time, 4% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $89,189 per year, or $42.9 per hour.

Senior AWS Full Stack Software Engineer

System One

Pittsburgh, PA • On-site

Other

Posted 4 days ago

Job description

Senior AWS Full Stack Software Engineer Full-time Hybrid – Knoxville, TN | Columbia, SC | Lafayette, LA | Birmingham, AL Position Overview Seeking a Senior AWS Full Stack Software Engineer to develop scalable cloud-based enterprise applications using Java, Spring Boot, Python, Angular, AWS, and Generative AI technologies. This is a hands-on role involving full stack application development, APIs, microservices, AWS deployment, AI-assisted development, and technical mentoring. Key Responsibilities

  • Develop applications using Java/Spring Boot, Python, and Angular.
  • Build cloud-native applications on AWS.
  • Develop REST APIs, Microservices, integrations, and distributed components.
  • Incorporate GitHub Copilot, ChatGPT, and LLM-based solutions.
  • Work with LLM APIs and agentic workflows.
  • Apply AI to coding, unit testing, automation, and code reviews.
  • Support CI/CD and DevOps practices.
  • Maintain application quality, security, and performance.
  • Mentor junior engineers.
Must-Have Skills
  • 5+ years of full stack software engineering experience.
  • Strong Java and Spring Boot.
  • Strong Python application development.
  • Angular, TypeScript, HTML, and CSS.
  • Strong hands-on AWS development and deployment.
  • AWS services including:
    • Lambda
    • ECS/EKS
    • S3
    • API Gateway
    • DynamoDB
    • RDS
  • REST APIs and Microservices.
  • Distributed systems.
  • Generative AI, GitHub Copilot, and ChatGPT.
  • LLMs, LLM APIs, and agentic workflows.
  • AI-assisted code generation, testing, and code reviews.
  • CI/CD, Git, automated testing, and DevOps.
  • Technical mentoring experience.
Nice-to-Have Skills
  • Financial services enterprise application experience.
  • Large-scale enterprise development experience.
Key Technologies Java | Spring Boot | Python | Angular | TypeScript | HTML | CSS | AWS | Lambda | ECS | EKS | S3 | API Gateway | DynamoDB | RDS | REST APIs | Microservices | LLMs | GitHub Copilot | ChatGPT | GenAI | CI/CD | Git | DevOps Education
  • Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related technical field.

The real hiring focus is Java/Spring Boot + Python + Angular + AWS + LLM/GenAI development experience #M1 #DI-CB2 #L1 - KB1

Ref: #404-IT Pittsburgh

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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