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Sr Front End Developer Jobs in Massachusetts (NOW HIRING)

Blitzy

Senior Front End Engineer

Cambridge, MA · On-site

$133K - $184K/yr

About the Role We're looking for an exceptional Senior Frontend Engineer to join our founding team ... Building advanced features like real-time collaboration, AI-powered UIs, and developer tools.

Venus Consultancy

Senior Frontend Engineer

Cambridge, MA · On-site

$133K - $184K/yr

Senior Frontend Engineer (React.js) Team: Strategic Development Team Location: Cambridge (In-person) About Us We are one of the fastest-growing and most innovative GenAI startups based in Boston.

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 ownership of designing and building the user-facing components of our AI-native cloud platform. You'll ...

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 building user-facing components of their AI-native cloud platform. The role involves architecting ...

Meridian Labs

Senior Front-End Engineer

Boston, MA · On-site

$150 - $225/hr

We're looking for a Senior Front-End Engineer to help build the interfaces that researchers use to interact with complex evaluation data through tools like Inspect Viewer and Inspect Viz. You'll help ...

Motion Recruitment

Senior Frontend Engineer

Natick, MA

$126K - $174K/yr

Senior Frontend Software Engineer | Full Time | Southern MA Hybrid Join a globally recognized ... percent DevOps and testing tools Daily Responsibilities • 60 percent Hands on Development ...

Jobsbridge

Front End Developer

Boston, MA

$113K - $131K/yr

As a senior member of the Application Development team you will play a key role in our transition ... Qualifications Front End Developer Additional Information Multiple Openings for OPT/CPT/H4/L2/EAD ...

Jobsbridge

Front End Developer

Boston, MA

$113K - $131K/yr

Skill Front End Developer Location Boston, MA Total Experience 1 yrs. Max Salary Not Mentioned ... As a senior member of the Application Development team you will play a key role in our transition ...

Jobsbridge

Front End Developer

Boston, MA

$113K - $131K/yr

Skill Front End Developer Location Boston, MA Total Experience 1 yrs. Max Salary Not Mentioned ... As a senior member of the Application Development team you will play a key role in our transition ...

Saviance

Senior Front-End Engineer (React)

Boston, MA · On-site

$133K - $183K/yr

Saviance is a company seeking a Senior UI Developer (React) to lead the development of a production ... Required : • 5+ years of professional experience as a Front-End Developer, with strong focus on ...

Jobsbridge

Sr. Front End Web Developer

Burlington, MA

$125K - $164K/yr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 4-6 years' website / front-end development experience and at least 1 year ...

Jobsbridge

Sr. Front End Web Developer

Burlington, MA

$125K - $164K/yr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 4-6 years' website / front-end development experience and at least 1 year ...

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All JobsSr Front End Developer JobsSr Front End Developer Jobs in Massachusetts

Sr Front End Developer information

See Massachusetts salary details

$42.6K

$145.3K

$198.2K

How much do sr front end developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for sr front end developer in Massachusetts is $145,325.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,600.00 and $164,900.00 per year, depending on experience, location, and employer.

What is a Sr Front End Developer?

Sr Front End Developers are experienced professionals who design, build, and optimize the user interface (UI) and user experience (UX) of web applications. They use technologies like HTML, CSS, and JavaScript frameworks (such as React, Angular, or Vue.js) to create responsive and interactive websites. In addition to coding, they often mentor junior developers, collaborate with designers and backend teams, and ensure that applications are accessible, performant, and visually appealing. Their role requires strong problem-solving skills and a deep understanding of web development best practices.

What are the key skills and qualifications needed to thrive as a Sr Front End Developer?

To thrive as a Sr Front End Developer, you need advanced proficiency in HTML, CSS, JavaScript, and modern front-end frameworks such as React or Angular, often supported by a relevant degree and several years of experience. Expertise in version control systems like Git, familiarity with build tools (Webpack, Babel), and knowledge of accessibility standards are typically required, with some roles preferring certifications in web development. Strong problem-solving abilities, collaboration, and effective communication set standout developers apart in team environments. These skills and qualities are crucial for creating high-quality, scalable user interfaces and ensuring seamless integration with back-end systems in dynamic projects.

What are some common challenges Sr Front End Developers face when working on large-scale projects?

Sr Front End Developers often encounter challenges such as maintaining code quality across large teams, ensuring consistent user experiences, and managing complex state in modern JavaScript applications. Keeping up with evolving front-end frameworks and integrating with backend systems can also be demanding. Collaboration with designers, backend engineers, and QA specialists is crucial to address these challenges, and effective communication skills help streamline the development process.

What are popular job titles related to Sr Front End Developer jobs in Massachusetts?

For Sr Front End Developer jobs in Massachusetts, the most frequently searched job titles are:

What job categories do people searching Sr Front End Developer jobs in Massachusetts look for?

The top searched job categories for Sr Front End Developer jobs in Massachusetts are:

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Cities in Massachusetts with the most Sr Front End Developer job openings:

Sr Front End Developer jobs near you
Infographic showing various Sr Front End Developer job openings in Massachusetts as of August 2026, with employment types broken down into 75% Full Time, 18% Part Time, 2% Temporary, 4% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $145,325 per year, or $69.9 per hour.

Senior Front End Engineer

Blitzy

Cambridge, MA • On-site

$133K - $184K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 days ago

Job description

Blitzy is a Cambridge, MA based AI software development platform on a mission to revolutionize the software development life cycle by autonomously building custom software to unlock the next industrial revolution. We're transforming how enterprises build software, turning enterprise requirements into production-ready code with an agentic software development platform that can autonomously execute 80% of the quantum of software development work. We're backed by multiple tier 1 investors, and have proven success as founders of previous start-ups.
Our Culture
Who we are:
Led by two pioneering co-founders we are one of the fastest growing companies in the U.S., creating our own category of enterprise autonomous software development. We automate thousands of hours of software development for our customers, which includes strong representation within the Fortune 500.
How we work:
  • We move Blitzy Fast: Time is both our company's and our clients' most precious asset. We move quickly and decisively to innovate internally and deliver exceptional software externally.
  • Championship Mindset: We operate like a professional sports team. We win as a team by holding ourselves and each other to high standards, collaborating in-person, and remaining focused on the mission.
  • Passion for Invention: We're pushing the frontier of what's possible, requiring constant innovation and iteration.
  • We Work for the Customer: We focus on delivering outsized value to the customers we work with and expanding those relationships into deep, meaningful partnerships.
  • We believe in being 'everyday athletes': taking care of ourselves so we can bring our best minds to work. We promote great sleep, movement, and restorative activities for optimal mental performance. It makes for a happier and more productive team.
About the Role
We're looking for an exceptional Senior Frontend Engineer to join our founding team and lead our frontend engineering efforts. You'll work directly with our CTO to build sophisticated, responsive interfaces that make complex AI capabilities accessible to enterprise developers. This is a hands-on technical leadership role where you'll architect our frontend systems, establish engineering best practices, and mentor junior engineers as we scale.
You'll be the frontend technical authority-making critical architectural decisions, building new platform features, refactoring existing systems, and defining how we approach frontend engineering at Blitzy. You're equally comfortable debugging a complex state management issue, architecting a component library from scratch, or mentoring a junior engineer through their first major feature.
What Success Looks Like
  • You architect and implement sophisticated frontend solutions that handle complex state management, real-time AI agent updates, and intuitive developer workflows.
  • You establish frontend engineering standards, patterns, and best practices that scale with our growing team.
  • You build responsive, performant interfaces that work seamlessly across browsers and devices while maintaining sub-second interaction speeds.
  • You refactor and modernize existing frontend code, eliminating technical debt while shipping new features.
  • You make architectural decisions that balance immediate product needs with long-term scalability and maintainability.
  • You mentor junior frontend engineers, conducting code reviews and elevating the team's technical capabilities.
  • You collaborate closely with product, design, and backend teams to deliver cohesive user experiences.
  • You evaluate and introduce new technologies and frameworks that improve our development velocity and product quality.
  • You maintain high standards for code quality, performance, testing, and accessibility.
  • You become a trusted technical advisor to leadership on all frontend architecture decisions.

Areas of Ownership
As our Senior Frontend Engineer and technical lead, you'll own:
  • Frontend architecture and technical decision-making for our core platform.
  • Refactoring existing frontend systems to improve performance and maintainability.
  • Building new platform features that showcase our AI capabilities to enterprise users.
  • Establishing component library and design system foundations.
  • Setting up testing frameworks and CI/CD pipelines for frontend.
  • Code review processes and engineering standards.

Growing Responsibilities
  • Mentoring and providing technical guidance to junior frontend engineers.
  • Performance optimization and monitoring systems.
  • Frontend infrastructure and build tooling improvements.
  • Cross-team collaboration on API design and integration patterns.
  • Technical documentation and onboarding processes.

Long-term Vision
  • Scaling the frontend engineering team and practices.
  • Defining frontend engineering hiring standards and interview processes.
  • Contributing to product and technical strategy discussions.
  • Building advanced features like real-time collaboration, AI-powered UIs, and developer tools.

Required Experience
  • 10+ years of frontend development experience with a proven track record of building complex, production-grade applications.
  • Expert-level knowledge of modern JavaScript/TypeScript with deep understanding of language features, patterns, and best practices.
  • Deep expertise in React.js and its ecosystem including hooks, context, performance optimization, and modern patterns.
  • Strong understanding of state management (Redux, MobX, Zustand, or similar) and when to apply different patterns.
  • Experience with modern build tools (Webpack, Vite, esbuild, etc.) and their configuration.
  • Proven ability to architect scalable frontend systems that handle complexity while remaining maintainable.
  • Experience with responsive design and cross-browser compatibility, ensuring consistent experiences across devices.
  • Strong understanding of web performance optimization including bundle size, rendering performance, and Core Web Vitals.
  • Experience with frontend testing frameworks and methodologies (Jest, React Testing Library, Playwright, Cypress).
  • Track record of technical leadership including mentoring, code reviews, and establishing engineering standards.

What Makes You Stand Out
  • Experience with GraphQL and real-time data handling (WebSockets, Server-Sent Events).
  • Knowledge of WebAssembly and its applications in frontend development.
  • Experience with micro-frontend architectures or monorepo management.
  • Contributions to open-source projects, especially in the React or JavaScript ecosystem.
  • Experience with advanced animations and complex UI interactions (Framer Motion, React Spring).
  • Deep knowledge of accessibility standards (WCAG) and practical implementation.
  • Experience with design systems at scale and component library architecture.
  • Speaking engagements or technical writing demonstrating thought leadership.
  • Experience at high-growth startups or in technical leadership roles.
  • Experience working effectively with AI coding tools (Blitzy, Copilot, Cursor, Claude, etc.) to accelerate frontend development without compromising code quality or engineering standards.
  • Proven ability to review and validate AI-generated code-identifying subtle logic errors, security gaps, and style inconsistencies that automated tools routinely miss.
  • Track record of writing precise, reusable prompts for frontend tasks including component generation, test writing, refactoring, and PR documentation to get consistent, production-ready output.
  • Experience establishing team-wide processes for AI-assisted development-defining when to use AI, how to review its output, and how to integrate it cleanly into existing PR and code review workflows.

What Makes This Role Different
  • You'll be the first dedicated frontend engineering lead, shaping the entire discipline from the ground up.
  • Direct collaboration with the CTO and founders-your architectural decisions will define how the product scales.
  • You'll build interfaces for one of the most technically ambitious AI platforms in enterprise software development.
  • Competitive compensation ($140K-$165K) with significant equity upside at an early-stage, high-growth startup.
  • Comprehensive benefits including health, dental, vision, 401(k) with match, generous PTO, and parental leave.
  • A clear path to Staff Engineer, Principal Engineer, or Engineering Manager based on your strengths.
  • Modern in-person office in Cambridge's innovation hub at 1 Kendall Square with a strong team culture.

Base Salary Range: $150,000 - $185,000
Blitzy is an equal opportunity employer committed to building a diverse and inclusive team. We believe different perspectives make us stronger. Base salary ranges are determined by country, role, level, experience, and skills. The range displayed on each job posting reflects Blitzy's good faith determination of the minimum and maximum targets for new hire salaries across all US locations. Individual pay is determined by related factors, including job skills, experience, and relevant education or training, which may impact a final offer. Your Talent Partner can share more about the specific salary range during the hiring process.

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