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Junior Mern Stack Developer Jobs in Boston, MA (NOW HIRING)

Senior Full Stack Software Engineer

Boston, MA · On-site +1

$160K - $210K/yr

Mentor junior engineers and contribute to a strong engineering culture Tech Environment The engineering team works with a modern startup stack, including: * Frontend: React, TypeScript, Next.js

NET Full Stack Engineer to build and deliver scalable, enterprise-grade digital solutions that ... Mentor junior engineers and contribute to a culture of continuous learning and knowledge sharing.

Position Name: Jr. Systems Engineer Reports to: Client Technology Manager Location/Type: Hybrid ... Support of primarily Microsoft 365 stack (Exchange Online, SharePoint Online, Intune, Azure AD)

Position Name: Jr. Systems Engineer Reports to: Client Technology Manager Location/Type: Hybrid ... Support of primarily Microsoft 365 stack (Exchange Online, SharePoint Online, Intune, Azure AD)

They are seeking a Jr. Systems Engineer to provide IT support services to users onsite, manage ... Microsoft 365 stack (Exchange Online, SharePoint Online, Intune, Azure AD) • Systems ...

Junior Support Engineer

Waltham, MA · On-site

$55K - $65K/yr

As a Junior Support Engineer, you will be the technical support line to our Customer Success Team ... stack. You will also work closely with Product Managers, Developers, Dev Ops and other experts to ...

Junior Support Engineer

Waltham, MA · On-site

$55K - $65K/yr

As a Junior Support Engineer, you will be the technical support line to our Customer Success Team ... stack. You will also work closely with Product Managers, Developers, Dev Ops and other experts to ...

Junior Support Engineer

Waltham, MA · On-site +1

$55K - $65K/yr

As a Junior Support Engineer, you will be the technical support line to our Customer Success Team ... stack. You will also work closely with Product Managers, Developers, Dev Ops and other experts to ...

Senior Full Stack Engineer

Boston, MA · On-site

$170 - $180/hr

Demonstrated ability to lead technical projects and mentor junior engineers * Experience with ... Stack * Backend - Django, Airflow, Postgres * Frontend - React * Infrastructure - Docker, ECS ...

We're seeking a future team member for the role of Director, Full Stack Engineer to join our Data ... Excellent communication, organizational, and interpersonal skills with the ability to mentor junior ...

We're seeking a future team member for the role of Director, Full Stack Engineer to join our Data ... Excellent communication, organizational, and interpersonal skills with the ability to mentor junior ...

Showing results 21-40

Junior Mern Stack Developer information

See Boston, MA salary details

$26.1K

$96.7K

$149.4K

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

As of Aug 19, 2026, the average yearly pay for junior mern stack developer in Boston, MA is $96,663.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,800.00 and $94,500.00 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 Boston, MA?

The most popular types of Mern Stack Developer jobs in Boston, MA are:

What job categories do people searching Junior Mern Stack Developer jobs in Boston, MA look for?

The top searched job categories for Junior Mern Stack Developer jobs in Boston, MA are:

What cities near Boston, MA are hiring for Junior Mern Stack Developer jobs?

Cities near Boston, MA with the most Junior Mern Stack Developer job openings:

Infographic showing various Junior Mern Stack Developer job openings in Boston, MA as of August 2026, with employment types broken down into 82% Full Time, 10% Part Time, 2% Temporary, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $96,786 per year, or $46.5 per hour.

Senior Full Stack Software Developer

Waters Corporation

Milford, MA • On-site

Other

Vision, Life

Re-posted yesterday


Job description

Overview
Waters Corporation is currently seeking a Full Stack Software Developer to join our organization in Milford Global HQ, with the flexibility of a hybrid schedule.
You will join our QA/QC organization which develops liquid chromatography instrumentation hardware and software in a dynamic and collaborative environment. In this role you will join an agile team focused on developing our next generation Empower data systems and data collaboration software Apps for a cloud computing environment.
To be successful in this role, you need to have a solid full stack software development talent for cloud applications. You also need to be comfortable with developing complex software systems from scratch as well as maintaining legacy code.
Responsibilities
As a Software Engineer you will participate in team meetings and ceremonies, take ownership on identified features and deliver on assigned tasks:
Evaluate and translate system and product requirements to task specifications
Design, develop and maintain software for server-side logic and frontend user interface
Design and implement unit and system tests for new and existing functionality. Collaborate with automation engineers to generate automated system tests
Investigate, diagnose and troubleshoot applications and system problems
Provide work estimation and tracking information to support management decisions and planning
Maintain a positive attitude and willingness to take on multiple tasks as needed on the frontend, backend, or system level
Provide product specific and technical support, documentation and presentations to internal and external users where appropriate
Mentor junior engineers and external contractors. Review pull-requests and provide effective feedback to ensure continuous improvement of the software and processes
Qualifications
Required
Bachelor's Degree (preferably in Computer Science, Software Engineering or related field)
5+ years of experience in software engineering preferably in a regulated development environment
Strong Frontend development experience using Angular 16 or later
Server technology development with Microsoft stack: C#, .NET Core and Object-Oriented Design
Good understanding of multi-threading & async programming
Experience with Angular testing frameworks Jasmine, and Karma
AWS Cloud Experience. Docker, Containers and Microservices
Experience with relational and non-relational databases
Excellent written and verbal communication skills
Desired:
Development tools including Visual Studio, GitHub, Spinnaker, YAML, Jenkins
Experience with Python
Experience with Charting and Plotting using D3 (SVG and Canvas)
Experience with UX and Styling
Atlassian Tools (Confluence and Jira)
Prior experience with Chromatographic data systems is highly desirable for this role
Company Description
Waters Corporation (NYSE:WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide.
Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.