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Junior Mern Stack Developer Jobs in Springfield, PA

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 ...

Vantage

PHP/React Developer, Team Lead

New Hope, PA

Architect full-stack solutions deployed to the cloud. * Debug time-sensitive issues. * Lead a team ... and junior developers). * Relaxed yet enthusiastic and motivated attitude towards the craft ...

CoServe Global Solutions

Jr. DevOps Engineer

Cherry Hill, NJ · On-site

$52.25 - $71.50/hr

Experience configuring and deploying Ruby & NodeJs web application stacks * Excellent communication skills via email and online chat, in addition to in person and via phone Extreme attention to ...

CoServe Global Solutions

Jr. DevOps Engineer

Cherry Hill, NJ · On-site

$52.25 - $71.50/hr

Experience configuring and deploying Ruby & NodeJs web application stacks * Excellent communication skills via email and online chat, in addition to in person and via phone Extreme attention to ...

Red Rover Technologies

Senior Software Engineer

Exton, PA · On-site

$160K - $185K/yr

This is for a full-stack engineer who can work on different parts of the technology stack to ... You lead by example and proactively mentor junior team members for the betterment of the team. What ...

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Junior Mern Stack Developer information

See Springfield, PA salary details

$22.6K

$83.9K

$129.7K

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

As of Aug 10, 2026, the average yearly pay for junior mern stack developer in Springfield, PA is $83,935.00, according to ZipRecruiter salary data. Most workers in this role earn between $63,200.00 and $82,100.00 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 job categories do people searching Junior Mern Stack Developer jobs in Springfield, PA look for? The top searched job categories for Junior Mern Stack Developer jobs in Springfield, PA are:
What cities near Springfield, PA are hiring for Junior Mern Stack Developer jobs? Cities near Springfield, PA 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 Springfield, PA as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 7% Part Time, 5% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $83,935 per year, or $40.4 per hour.

Sr. Full Stack Software Developer

Holtec International

Camden, NJ • On-site

Full-time

Re-posted 24 days ago

Holtec International rating

8.0

Company rating: 8.0 out of 10

Based on 16 frontline employees who took The Breakroom Quiz

174th of 487 rated machine equipment manufacturers

Job description

Job Summary:
Holtec International is a company focused on innovative solutions in the engineering sector. They are seeking a Senior Full Stack Software Developer to design, develop, and maintain enterprise applications while serving as a technical subject matter expert and partnering with stakeholders to deliver high-quality software solutions.
Responsibilities:
• Serve as the technical subject matter expert across a portfolio of enterprise applications
• Partner with internal stakeholders to gather requirements, define scope, and identify risks early
• Translate complex business processes into sound technical designs and deliver solutions independently
• Design and document application architecture and database structures
• Enforce coding standards, architectural patterns, and development best practices
• Architect scalable, maintainable solutions and evaluate existing systems for optimization
• Perform peer code reviews and uphold high standards of code quality
• Apply and promote secure software development practices
• Identify technical risks and provide clear, actionable solutions
• Develop well‑structured, efficient, and maintainable code
• Estimate and scope work independently in planning sessions
• Maintain and enhance system and code documentation
• Mentor and support junior developers where applicable
Qualifications:
Required:
• Bachelor’s degree in Computer Science, Engineering, or a related field, with 10+ years of professional software development experience in enterprise environments
• Deep expertise in C#, .NET Core, and .NET Framework, with experience developing, maintaining, and modernizing both modern and legacy codebases across full‑stack applications
• Strong full‑stack development and architecture experience, including RESTful APIs, front‑end technologies (Blazor, HTML5, CSS3, JavaScript, Bootstrap), and scalable system design utilizing SOLID principles, design patterns, dependency injection, and CQRS
• Advanced SQL Server expertise, including schema design, index strategy, stored procedures, query optimization, and execution plan analysis
• Experience with enterprise authentication and authorization (OAuth2, OIDC, Azure AD / Entra ID or similar), along with secure development practices
• Proven ability to lead and own architectural decisions at both application and database levels, while working effectively across complex, multi‑application enterprise environments
• Strong experience improving and navigating legacy codebases, with a focus on enhancing performance, scalability, and maintainability
• Experience with Git-based version control, collaborative code review, DevOps practices (CI/CD pipelines), and containerization technologies (Docker)
• Familiarity with performance profiling and troubleshooting tools, application modernization/migration (.NET Framework to .NET Core), and emerging development practices including AI-assisted coding tools
• Strong communication and stakeholder management skills, with the ability to translate business requirements into technical solutions, work independently, manage priorities, and deliver high-quality outcomes
• High attention to detail with a strong focus on code quality, documentation, and user experience, including UI/UX considerations
Company:
Holtec International is a global turnkey supplier of equipment and systems for the energy industry. Founded in 1986, the company is headquartered in Jupiter, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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