Weave · 6 hours ago
Staff Frontend Engineer
San Francisco, CA
Full-time
Hybrid
Lead/Staff
$200K/yr - $250K/yr
10+ years expWeave Bio is dedicated to evolving therapeutic knowledge through AI tools in drug development. They are seeking a Staff Frontend Engineer to lead the technical direction of their frontend platform, focusing on architecture, engineering standards, and collaboration with cross-functional teams.
BiotechnologyArtificial Intelligence (AI)Life Science
Responsibilities
Define and evolve the frontend architecture for our platform, making decisions that balance velocity today with maintainability at scale
Establish engineering standards, patterns, and best practices across the frontend codebase
Drive technical strategy and roadmap for frontend infrastructure, architecture, tooling, and developer experience
Be the technical decision-maker on high-stakes, ambiguous problems and document the 'why' behind those decisions
Design and build the core systems that product engineers depend on: component libraries, shared abstractions, performance infrastructure, and testing frameworks
Own the architecture of our document editor experience, including real-time multi-player collaboration, conflict resolution, and extensibility
Improve frontend build, deployment, and observability tooling to keep the team fast and confident
Partner with Product, Design, and backend engineering to shape technical approaches to complex product problems
Mentor and elevate other engineers through code review, pairing, architectural guidance, and thoughtful feedback
Participate in hiring and help build a high-caliber frontend engineering team
Qualification
Required
10+ years of professional software engineering experience
Deep expertise in TypeScript, React, and the modern web platform
Experience designing and building frontend systems at scale
Understanding of the tradeoffs between different state management approaches, rendering strategies, and API patterns
Experience building complex, interactive applications (rich text editors, real-time collaboration, or similarly stateful UIs strongly preferred)
Expert at integrating AI-powered development tools (Cursor, Claude, etc.) into workflow
Ability to leverage AI for code generation, exploration, debugging, and documentation
Experience operating at a Staff+ level (or equivalent scope) at a high-growth startup or technology company
Ability to communicate technical concepts clearly to both engineers and non-engineers
Default to collaboration over authority; lead through quality of ideas, not title
Preferred
Experience building products in regulated domains (healthcare, finance, legal) or environments where data privacy and security are non-negotiable
Contributions to open-source projects or frontend infrastructure tools
Experience with WebSocket-based real-time systems, CRDTs, or operational transforms
Benefits
Comprehensive health, dental and vision insurance
Generous PTO, parental leave, OneMedical, TalkSpace, Teladoc
Career development opportunities within a company entering a growth phase.
Company
Weave
Weave Bio is an AI-native platform transforming regulatory workflows and accelerating how novel therapies reach patients faster.
11-50 employees
H1B Sponsorship
Weave has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Early StageTotal Funding
$43MKey Investors
U.S. Venture PartnersInnovation Endeavors,Magnetic Ventures
2025-10-16Series A· $20M
2024-05-30Seed· $10M
2023-12-22Seed· $11.4M
Leadership Team
Ari Caroline
CEO, Co-founder
Umut Eser
CTO and Cofounder
Recent News
thesaasnews.com
2025-10-18
2025-10-18
2025-10-18
Company data provided by crunchbase