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Flex Frontend Web Developer Jobs in Boston, MA (NOW HIRING)

Rockstar Games

Senior Web Engineer

Andover, MA · On-site

Rockstar Games is seeking a passionate and experienced Senior Web Engineer with a focus on the "back of the frontend" to join our online development team. This role will involve a deep understanding ...

RSA Conference

Email & Web Specialist

Boston, MA · Remote

Partner with back-end developers or a development team as needed to implement new functionality ... Working knowledge of front-end web technologies: HTML, CSS, JavaScript * Experience building ...

Rockstar Games

Senior Web Engineer

Andover, MA · On-site

$130K - $150K/yr

Rockstar Games is seeking a passionate and experienced Senior Web Engineer with a focus on the "back of the frontend" to join our online development team. This role will involve a deep understanding ...

RSA Conference LLC

Email & Web Specialist

Boston, MA · On-site +1

$90K - $110K/yr

Partner with back-end developers or a development team as needed to implement new functionality ... Working knowledge of front-end web technologies: HTML, CSS, JavaScript * Experience building ...

Rockstar Games

Senior Web Engineer

Andover, MA · On-site

$130K - $150K/yr

Rockstar Games is seeking a passionate and experienced Senior Web Engineer with a focus on the "back of the frontend" to join our online development team. This role will involve a deep understanding ...

SevenAI

Senior Frontend Engineer

Boston, MA · On-site

$133K - $183K/yr

We are seeking a Senior Frontend Engineer to join our core team. In this role, you'll take ... You'll architect scalable, high-performance web interfaces that make complex cybersecurity ...

Diverse Lynx LLC

Technical Recruiter

Cambridge, MA

A broad understanding of the standards and trends in software engineering across a variety of domains (e.g., distributed systems, mobile engineering, front-end web engineering, databases, etc.

7AI

Senior Frontend Engineer

Boston, MA · On-site

$133K - $183K/yr

Sevenai is seeking a Senior Frontend Engineer to join their core team, focusing on designing and ... The role involves architecting scalable web interfaces and mentoring other engineers while ...

Diverse Lynx

Technical Recruiter

Cambridge, MA · On-site

A broad understanding of the standards and trends in software engineering across a variety of domains (e.g., distributed systems, mobile engineering, front-end web engineering, databases, etc.

MORSE Corp

Front End Software Engineer

Cambridge, MA

As a Frontend Software Engineer at MORSE, you will play a key role in designing, developing, and deploying web-based applications that support AI model development, simulation, situational awareness ...

Blitzy

Senior Front End Engineer

Cambridge, MA · On-site

$150K - $185K/yr

Building advanced features like real-time collaboration, AI-powered UIs, and developer tools ... Strong understanding of web performance optimization including bundle size, rendering performance ...

Chewy

Senior Software Engineer - Front - End

Boston, MA · On-site +1

$141K - $225K/yr

... Chewy web and mobile apps. We help customers discover products through search results, browse ... As a senior member of the engineering team, you will work with product, design, data scientists ...

MORSE Corp

Front End Software Engineer

Cambridge, MA · On-site

As a Frontend Software Engineer, you will design, develop, and deploy web-based applications that support AI model development and mission planning capabilities for DoD customers. Responsibilities ...

MORSE Corp

Front End Software Engineer

Cambridge, MA · On-site

As a Frontend Software Engineer, you will design, develop, and deploy web-based applications that support AI model development and mission planning capabilities for DoD customers. Responsibilities ...

Staffingine LLC

Fullstack Frontend Engineer

Boston, MA · On-site

Fullstack Frontend Engineer Job Location: Hartford ,CT Job Type: Contract * Develop and maintain ... Knowledge of web accessibility standards WCAG 21 including semantic HTML ARIA attributes and ...

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Showing results 41-60

All JobsFrontend Web Developer JobsFlex Frontend Web Developer JobsFlex Frontend Web Developer Jobs in Boston, MA

Flex Frontend Web Developer information

See Boston, MA salary details

$52.1K

$110.3K

$174.4K

How much do flex frontend web developer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for flex frontend web developer in Boston, MA is $110,322.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,900.00 and $127,700.00 per year, depending on experience, location, and employer.

What is the difference between Flex Frontend Web Developer vs React Frontend Web Developer?

AspectFlex Frontend Web DeveloperReact Frontend Web Developer
Required SkillsHTML, CSS, JavaScript, Flexbox, responsive designHTML, CSS, JavaScript, React.js, component-based architecture
Work EnvironmentWeb development teams, UI/UX design, cross-browser compatibilitySingle-page applications, dynamic interfaces, client-side rendering
Industry UsageVarious industries including e-commerce, finance, and techTech startups, SaaS companies, modern web applications

Flex Frontend Web Developers focus on layout and responsive design using Flexbox and traditional web technologies, while React Frontend Web Developers specialize in building dynamic, component-based interfaces with React.js. Both roles require strong HTML, CSS, and JavaScript skills but differ in frameworks and application types.

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

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

What cities near Boston, MA are hiring for Flex Frontend Web Developer jobs?

Cities near Boston, MA with the most Flex Frontend Web Developer job openings:

Flex Frontend Web Developer jobs near you

Senior Web Engineer

Rockstar Games

Andover, MA • On-site

Full-time

Re-posted 9 days ago

Job description

At Rockstar Games, we create world-class entertainment experiences. 

Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly motivated environment where you can learn and collaborate with some of the most talented people in the industry. 

Rockstar Games is seeking a passionate and experienced Senior Web Engineer with a focus on the "back of the frontend" to join our online development team. This role will involve a deep understanding of how high-profile frontends are delivered, secured and integrated via services and APIs with less focus on the presentation. 

The successful candidate will be working on innovative technology with an internationally established team, while having great attention to detail, being a strong collaborator and have outstanding communication and interpersonal skills.

We are looking for someone who is passionate about games, eager for new challenges, and ready to continue our legacy of creating the greatest games in the world. 

This is a full-time, in-office position based out of Rockstar's game development studio in Andover, MA. 

WHAT WE DO 
  • The Rockstar Games Online Services team creates connected experiences that are found across our game franchises.
  • We architect and maintain high-impact features to support the development of the Rockstar community and websites.
  • We create innovative in-game experiences, including user-generated content.
  • We build services and tools that support our consumer-facing experiences and our internal business needs. 
RESPONSIBILITIES 
  • Development of accessible front-end components and applications using React.
  • Integrating front-end applications with Next.js and ASP.NET Core (C#).
  • Develop comprehensive test suites.
  • Web performance optimization.
  • Collaboration with other Rockstar technology teams across our worldwide studios. 
REQUIREMENTS
  • A degree in computer science or 5+ years of experience in professional web development.
  • 5+ years of experience using React.
  • 5+ years of experience using Node.js or C#. 
  • Extensive experience in accessible web development.
  • Ability to effectively facilitate communication with teams in various locations worldwide.
  • Experience with automated testing, shared code, and source control, preferably Git.
  • Knowledge of Agile, software development, and web-security best practices.
  • Passion for web technologies and a desire to remain up to date with the latest technologies.  
PLUSES 

Please note that these are desirable skills and are not required to apply for the position. 

  • Experience working on high-traffic, responsive websites and applications.
  • Experience with Next.js SSR/ISR.
  • Exposure to Elasticsearch/OpenSearch.
  • Exposure to observability tools.
  • Knowledge of Rockstar's game titles and passion for playing video games. 
HOW TO APPLY

Please apply with a resume and cover letter demonstrating how you meet the skills above. If we would like to move forward with your application, a Rockstar recruiter will reach out to you to explain next steps and guide you through the process.

Rockstar is committed to creating a work environment that promotes equal opportunity, dignity and respect. In line with this commitment, Rockstar will provide reasonable accommodations to qualified job applicants with disabilities during the recruitment process in order for such applicants to be considered for the position for which they are applying, as well as to qualified employees to enable them to perform the essential functions of their roles. If you need more information about Rockstar's reasonable accommodation policies or process, or need to request an accommodation, please notify your recruiter during the interview process.                          

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