Senior Frontend Architect & Tech Lead — AI Platform

Blitzy; Cambridge (MA); Hybrid; USD 240,000 - 260,000; Full time

Benefits offered by this job

Bonus

Equity

Job summary

Blitzy in Cambridge, MA is seeking a Senior Frontend Engineer to join our founding team and lead frontend engineering efforts. You’ll work directly with our CTO to build sophisticated, responsive interfaces that unlock AI capabilities for enterprise developers.

This is a hands-on technical leadership role where you’ll architect frontend systems, set engineering standards, and mentor junior engineers as we scale.

Qualifications

• 10+ years frontend development experience in production-grade apps.
• Expert in modern JavaScript/TypeScript and React.js.
• Strong state management expertise and performance optimization.
• Experience with build tools and testing frameworks.
• Proven technical leadership and mentoring experience.

Responsibilities

• Own frontend architecture and technical decision-making.
• Refactor frontend systems for performance and maintainability.
• Build platform features that showcase AI capabilities.
• Establish component library and design system foundations.
• Set up testing frameworks and CI/CD for frontend.
• Mentor junior frontend engineers and define standards.
• Collaborate on API design and integration patterns.
• Write technical documentation and support onboarding.

Skills

Frontend architecture

React.js

JavaScript/TypeScript

State management

Build tools

Tools

Webpack

Vite

esbuild

Jest

Playwright

Job description

Blitzy in Cambridge, MA is seeking a Senior Frontend Engineer to join our founding team and lead frontend engineering efforts. You’ll work directly with our CTO to build sophisticated, responsive interfaces that unlock AI capabilities for enterprise developers.

This is a hands-on technical leadership role where you’ll architect frontend systems, set engineering standards, and mentor junior engineers as we scale.