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Junior Mern Stack Developer Jobs in Fountain Inn, SC

INFINTIUM INC

Staff Mechanical Engineer

Greenville, SC · On-site

You will drive mechanical design and integration across multiple FCPS configurations, mentor junior ... stack-ups, and pressure system calculations (e.g., PRV sizing per API 520). * Design hydrogen ...

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

As of Aug 7, 2026, the average yearly pay for junior mern stack developer in Fountain Inn, SC is $79,419.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,800.00 and $77,700.00 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 cities near Fountain Inn, SC are hiring for Junior Mern Stack Developer jobs? Cities near Fountain Inn, SC with the most Junior Mern Stack Developer job openings:
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Staff Mechanical Engineer

INFINTIUM INC

Greenville, SC • On-site

Full-time

Re-posted 23 days ago

Job description

INFINTIUM INC is an EEO Employer - M/F/Disability/Protected Veteran Status
Summary:
infintium's mission is to be the leader in power production through use of hydrogen fuel cell technology. infintium leverages innovative engineers from industries demanding superior design capabilities with talented green energy experts to rethink delivering the power of hydrogen from the ground up. The result is a growing portfolio of best-in-class solutions for the world's most demanding industrial applications.
We are seeking a Staff Mechanical Engineer to serve as a senior technical leader on our Fuel Cell Power Systems (FCPS) development program for powered industrial trucks. This is a hands-on, high-ownership role. You will drive mechanical design and integration across multiple FCPS configurations, mentor junior engineers, and act as the mechanical discipline's technical authority through the full product development lifecycle from concept through design freeze, validation, and production readiness.
The company's corporate headquarters is in Greenville, SC just minutes from the Greenville Spartanburg International Airport.
Responsibilities / Duties:
This role at Infintium is expected to:
    • Lead mechanical design of fuel cell power systems, including structural frames, enclosures, ballast and counterweight integration, thermal management, and hydrogen storage and delivery hardware.
    • Own mechanical work products through the phase-gate process, including design reviews, drawing releases, and engineering change control.
    • Lead and influence development and maintenance of 3D CAD models, 2D drawings with GD&T, BOMs, and engineering documentation to release-quality standards.
    • Perform and review engineering analysis: structural (FEA), thermal, vibration/shock, tolerance stack-ups, and pressure system calculations (e.g., PRV sizing per API 520).
    • Design hydrogen-wetted components and plumbing in compliance with applicable codes and standards (NFPA 2, UL 2267, IEC 62282, CGA guidance); enforce hydrogen-compatible material selection and fitting practices.
    • Lead root cause analysis and corrective action for mechanical failures in test and field units; feed lessons learned back into design standards.
    • Define and support DV test plans; participate in design verification and production readiness reviews.
    • Interface with suppliers to improve product design.
    • Mentor and technically guide mechanical engineers and designers; review work products and raise the team's design standards.

Required Qualifications / Experience:
The applicant for this position must meet these requisites:
    • Bachelor's degree in mechanical engineering (M.S. Preferred)
    • 10+ years of mechanical design engineering experience
    • Working knowledge of pressure systems design, fittings and tubing practices, and material compatibility for gaseous service.
    • Strong fundamentals in structural and thermal analysis; able to perform hand calcs and direct FEA work.
    • Proficiency in 3D CAD (SolidWorks, Creo, or NX) and drawing standards including GD&T (ASME Y14.5).
    • Experience with formal engineering change control (ECO/CCB processes) and configuration management.
    • Experience leading design reviews and mentoring engineers.
    • Strong written and verbal communication, teamwork, and technical analysis.
    • Ability to critically analyze data, new processes, and technical documents
    • Innovation and growth mindset
    • Desire to work in a hands-on environment

Preferred Qualifications
In addition, the ideal applicant would also meet the following:
    • Experience with hydrogen systems, fuel cells or compressed gas.
    • Familiarity with NFPA 2, UL 2267, IEC 60079.
    • Experience with powered industrial trucks (forklifts) or comparable motive applications.
    • Experience with DFMEA, root cause analysis methods (5 Whys, fishbone, 8D), and reliability engineering.

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