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Junior Frontend Developer Jobs in Chelsea, MA (NOW HIRING)

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Junior Backend Engineer

Boston, MA · On-site

$65 - $95/hr

Entry Level Boston, MA · Bedford, MA · Springfield, NJ $65-95k/year About the role As a Junior ... Collaborate with frontend engineers to integrate APIs and troubleshoot issues * Contribute to ...

ECOM

Senior Developer XT React

Boston, MA · On-site

$124K - $164K/yr

... for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional ...

Chewy

Software Engineer II - Frontend

Boston, MA · On-site

... junior engineers through technical design, code reviews, and engineering best practices. Minimum Qualifications: • 4+ years of programming experience with front-end technologies, including React ...

Chewy

Software Engineer II - Frontend

Boston, MA · On-site

... junior engineers through technical design, code reviews, and engineering best practices. Minimum Qualifications: • 4+ years of programming experience with front-end technologies, including React ...

Staffingine LLC

Fullstack Frontend Engineer

Boston, MA · On-site

Fullstack Frontend Engineer Job Location: Hartford ,CT Job Type: Contract * Develop and maintain React and Angular components for retirement account dashboards contribution workflows and investment ...

Horizontal Talent

Sr. Optimizely Developer

Boston, MA · Remote

$124K - $164K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

Horizontal Talent

Senior CMS Developer Optimizely

Newton, MA · Remote

$126K - $165K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

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Junior Frontend Developer information

See Chelsea, MA salary details

$26.1K

$96.7K

$149.4K

How much do junior frontend developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for junior frontend developer in Chelsea, MA is $96,683.00, 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 frontend developer?

A Junior Frontend Developer is an entry-level role responsible for building and maintaining the user interface of websites or web applications. They work with technologies like HTML, CSS, and JavaScript to create interactive and visually appealing experiences. Typically, they collaborate with designers, backend developers, and senior engineers to implement features and fix bugs. This role requires a good understanding of responsive design, browser compatibility, and basic version control with tools like Git. Junior developers often learn on the job and gain experience to advance to mid-level or senior positions.

What does a junior frontend developer do?

A typical day for a Junior Frontend Developer often involves writing and updating code for website layouts, implementing design changes, and troubleshooting user interface issues. You'll collaborate frequently with designers, senior developers, and back-end team members to ensure a seamless integration of features and a consistent user experience. Many junior developers also participate in code reviews and team meetings, allowing them to learn from feedback and stay aligned with project goals. It's a dynamic role that balances coding, collaboration, and continuous learning, making it engaging and rewarding for those starting their tech careers.

What skills and qualifications are needed to thrive as a junior frontend developer?

To thrive as a Junior Frontend Developer, you need a strong grasp of HTML, CSS, and JavaScript, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems (like Git), frontend frameworks (such as React or Vue), and basic debugging tools is common in this role. Attention to detail, a willingness to learn, and effective communication help junior developers work well within teams and adapt to new technologies. These technical and interpersonal skills ensure you can contribute to building user-friendly web applications and grow within a collaborative development environment.

What are the most commonly searched types of Frontend Developer jobs in Chelsea, MA?

The most popular types of Frontend Developer jobs in Chelsea, MA are:

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For Junior Frontend Developer jobs in Chelsea, MA, the most frequently searched job titles are:

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Junior Frontend Developer jobs near you
Infographic showing various Junior Frontend Developer job openings in Chelsea, MA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $96,683 per year, or $46.5 per hour.

Frontend Engineer (Boston)

General Medicine Inc.

Boston, MA • On-site

$150 - $225/hr

Other

Re-posted 27 days ago

Job description

About General Medicine

As a frontend engineer at General Medicine, you'll help build and scale a healthcare store that makes it delightfully simple to shop for any type of care. We provide upfront cash and insurance prices for virtual and in-person visits, prescriptions, labs, imaging, and more.

What we're looking for

We're looking for a frontend engineer to help us build a seamless and beautiful consumer healthcare product on the web. You'll own major surfaces of our Next.js application — from search and scheduling to provider profiles and checkout — and obsess over every detail of the patient experience.

Our ideal candidate has deep expertise in React and TypeScript, a strong eye for UI polish, and experience building fast, accessible, production‑grade web apps. You should be comfortable working closely with design to nail interactions and micro‑details, but also confident making pragmatic frontend architecture decisions — component patterns, state management, data fetching strategies, performance optimization, and testing. You should also be willing to work across the stack when needed; our frontend talks to a Rails backend, and we value engineers who can trace a bug or build a feature end‑to‑end.

Beyond frontend expertise, we're looking for someone who cares deeply about technical excellence but is also comfortable moving quickly. We are constantly navigating trade‑offs between engineering velocity and quality. Our ideal candidate is hungry, high‑agency, and aspires to be a generalist. Our engineers frequently write product requirements documents, write SQL to understand how features are performing, and own QA — no task is beneath us or outside of the scope of the role if it helps us to deliver a great product. We're looking for someone who can operate in an environment of significant ambiguity, and who is comfortable working closely with design, operations, and clinical stakeholders.

We don't expect you to have a healthcare background (though it's great if you do!). However, you should be excited by the prospect of digging into the messy complexities of the American healthcare system (integrating with EHRs, revenue cycle management, etc).

Qualifications
  • 3+ years of experience building production web applications with React
  • Strong proficiency in TypeScript and modern React patterns (server components, hooks, data fetching)
  • Experience with Next.js or a similar framework (routing, SSR/SSG, API routes, caching)
  • A strong eye for UI quality — you notice when padding is off by 4px and it bothers you
  • Experience with frontend performance optimization, accessibility, and cross‑browser compatibility
  • Comfort working with RESTful APIs and understanding backend data models
  • Familiarity with modern backend frameworks is a plus — we use Ruby on Rails and Postgres
Location & Work Arrangement

Please note that this role is based in either our SF office (near Market and Spear St) or our Boston office (Central Square, Cambridge). We expect our team to work from the office a minimum of 3 days per week, and ideally 4 or 5.

Compensation

Base is between 150-225k annually + equity options.

Why join us

We’re an experienced team that has built a company in this space before, our product has clear product‑market fit, and we’ve raised money from top investors.

We have an ambitious and distinctive vision for what can be built in consumer healthcare. We believe LLMs and price‑transparency legislation have opened up several massive opportunities.

If you’re an ambitious and entrepreneurial frontend engineer and this resonates, please apply.

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