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Frontend Developer Internship Jobs in Wellesley, MA

Interns contribute directly to real-world engineering challenges across backend, frontend, infrastructure, data engineering, and developer tooling while working alongside experienced engineers and ...

Interns contribute directly to real-world engineering challenges across backend, frontend, infrastructure, data engineering, and developer tooling while working alongside experienced engineers and ...

Our Technology team is seeking exceptional college students for our Summer Internship Program ... Experience in HTML, CSS, Javascript, and other front-end technologies is an additional benefit

Our Technology team is seeking exceptional college students for our Summer Internship Program ... Experience in HTML, CSS, Javascript, and other front-end technologies is an additional benefit

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Frontend Developer Internship information

See Wellesley, MA salary details

$46.6K

$121.1K

$170.6K

How much do frontend developer internship jobs pay per year?

As of Aug 31, 2026, the average yearly pay for frontend developer internship in Wellesley, MA is $121,111.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,100.00 and $132,700.00 per year, depending on experience, location, and employer.

What is a frontend developer internship?

A Frontend Developer Internship is a temporary position designed to give aspiring developers hands-on experience building and designing user interfaces for websites and web applications. Interns typically work with HTML, CSS, and JavaScript, and may use frameworks like React or Angular. They collaborate with designers and backend developers to improve the user experience. This role helps interns develop professional coding skills and gain industry knowledge while working on real projects.

What kind of projects and responsibilities can I expect during a frontend developer internship?

As a Frontend Developer Intern, you'll typically work on real-world projects such as building user interfaces, fixing bugs, or contributing to new features under the guidance of experienced developers. Your daily tasks may include writing and testing code, participating in code reviews, and collaborating with designers and backend teams to deliver a seamless user experience. Interns often take part in agile team meetings and are encouraged to share ideas and ask questions. Working closely with your colleagues provides valuable mentorship and a chance to build both technical and teamwork skills that are vital for future roles in frontend development.

What are the key skills and qualifications needed to thrive in a frontend developer internship?

To thrive as a Frontend Developer Intern, a solid understanding of HTML, CSS, and JavaScript, along with a foundational knowledge of responsive design and web accessibility, is essential. Familiarity with frameworks like React or Angular, code versioning tools such as Git, and hands-on project experience are typically expected; relevant coursework or certifications can provide an edge. Strong problem-solving abilities, effective communication, and a willingness to learn in a collaborative environment are key soft skills. These qualities ensure interns can quickly contribute to real projects, adapt to the team's workflow, and develop the professional skills required for a successful tech career.

What cities near Wellesley, MA are hiring for Frontend Developer Internship jobs?

Cities near Wellesley, MA with the most Frontend Developer Internship job openings:

Infographic showing various Frontend Developer Internship job openings in Wellesley, MA as of August 2026, with employment types broken down into 8% Internship, 64% Full Time, 26% Part Time, 1% Temporary, and 1% Contract. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $121,111 per year, or $58.2 per hour.

Software Engineer I (Frontend, Growth)

Boston, MA • On-site

Whoop
Fitness and Sports Centers • 501 - 1,000 employees

Full-time

Re-posted 17 days ago


Job description

RESPONSIBILITIES:
  • Contribute to the development and maintenance of responsive, high-quality frontend applications that power WHOOP's web experiences
  • Partner with Product, Design, and Analytics to implement experiments (A/B tests) and iterate quickly based on measurable results
  • Write clean, maintainable, and well-tested code using modern JavaScript frameworks (e.g., React) and industry best practices
  • Integrate frontend applications with RESTful APIs and backend services to deliver seamless, performant user experiences
  • Break down feature requirements into actionable tasks, identify risks early, and iterate quickly to deliver value to members
  • Monitor and improve application performance, accessibility, and usability across devices and browsers
  • Participate in code reviews and technical discussions, proactively seeking feedback and continuously improving your craft

QUALIFICATIONS:
  • Professional experience in frontend software development (internship, co-op, or academic project experience acceptable)
  • Experience building web applications using modern JavaScript/TypeScript and frameworks such as React
  • Understanding of core web technologies including HTML, CSS, and responsive design principles
  • Familiarity with integrating frontend applications with RESTful APIs
  • Experience using version control systems such as Git
  • Strong problem-solving skills and an eagerness to learn in a fast-paced, experiment-driven environment
  • Clear communication skills and a collaborative mindset when working with cross-functional partners
  • Bonus: Experience with A/B testing frameworks or growth-focused engineering initiatives

Whoop logo

About Whoop

Sourced by ZipRecruiter

At WHOOP, we're on a mission to unlock human performance. WHOOP empowers users (Olympians, Professional Athletes, Fitness Enthusiasts, etc) to perform at a higher level through a deeper understanding of their bodies and daily lives.

Industry

Fitness and sports centers

Company size

501 - 1,000 Employees

Headquarters location

Boston, MA, US

Year founded

2012