Join a small, senior team founded by former Visa and LinkedIn executives building the Graph Semantic Layer for the AI era. As a founding product engineer, you will own the frontend architecture and user experience, creating complex data visualizations that enable autonomous agents to reason over fragmented enterprise data with precision at scale.
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San Mateo, United States$180k-$220k + Equity
Senior Frontend Engineer at Series A VC-backed context infrastructure startup
Enterprise AI is failing because agents can't reason over data they don't understand. Join a senior team founded by the former Chief Architect of Visa and LinkedIn’s knowledge graph lead to build the infrastructure layer the next decade of AI will run on. As a Senior Frontend Engineer, you'll own the Graph Semantic Layer experience, building complex visualizations for major enterprise partners. With a $180k-$220k base plus early-stage equity, this San Mateo-based role offers the chance to define the interface of the agentic era.
Overview
Role overview
Company
zaimler
Technology
Series A VC-backed context infrastructure startup for agentic AI
Responsibilities
What you will do
- Lead the frontend development of the Graph Semantic Layer, making key architectural decisions and ensuring UI consistency across all surfaces.
- Build sophisticated data visualization tools using React and TypeScript to help users interact with complex graph and network data.
- Partner with co-founders and design partners to translate user research into intuitive interfaces for high-stakes enterprise AI operations.
Candidate profile
Who this is a fit for
- 5+ years of experience with deep React/TypeScript expertise and a background in building data products like dashboards or analytics tools.
- Proficiency with data visualization libraries such as D3, Recharts, or ECharts and experience working in fast-paced startup environments.
- A product-minded engineer comfortable contributing to backend APIs (Python/Java) and driving technical decisions without heavy external direction.
What makes it remarkable
Why this role is remarkable
- Work directly with founders who built world-scale data infrastructure at Visa and LinkedIn, including one of the industry's largest production knowledge graphs.
- Ship critical infrastructure that solves the primary bottleneck for enterprise AI: the lack of domain context and semantic understanding in agentic systems.
- Enjoy high autonomy and equity in a senior 3-person frontend team, shaping a product already being deployed by major enterprises in insurance and travel.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
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