Blitzy
Senior Front End Engineer
Cambridge, MA · Senior
Sponsorship not specified$150k-$185kDetected 56 days ago
JavaScriptTypeScriptReactReduxwebpackViteSpringCode ReviewCI/CDAPI DevelopmentGraphQLWebSocketsDesign SystemsAccessibilityCypressPlaywrightJestLeadershipCollaborationMentoringWriting
About the role
- 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'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.
- You establish frontend engineering standards, patterns, and best practices that scale with our growing team.
Responsibilities
- We move quickly and decisively to innovate internally and deliver exceptional software externally.
- You'll work directly with our CTO to build sophisticated, responsive interfaces that make complex AI capabilities accessible to enterprise developers.
- You architect and implement sophisticated frontend solutions that handle complex state management, real-time AI agent updates, and intuitive developer workflows.
- You build responsive, performant interfaces that work seamlessly across browsers and devices while maintaining sub-second interaction speeds.
- You collaborate closely with product, design, and backend teams to deliver cohesive user experiences.
- You maintain high standards for code quality, performance, testing, and accessibility.
- As our Senior Frontend Engineer and technical lead, you'll own:
- Establishing component library and design system foundations.
- Frontend infrastructure and build tooling improvements.
- Building new platform features that showcase our AI capabilities to enterprise users.
Requirements
- 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.
Skills
- Setting up testing frameworks and CI/CD pipelines for frontend.
Compensation
- 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.
Company info
- 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.
- 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.
- Blitzy is an equal opportunity employer committed to building a diverse and inclusive team.
- We believe different perspectives make us stronger.
This listing is sourced directly from Blitzy's careers page and normalized into a canonical job model.