Founding Frontend Software Engineer role at Rec Gen involves building and shipping complex UI on top of API-driven systems, translating real-world workflows into intuitive frontend experiences, and defining frontend patterns and components. The ideal candidate has 3+ years of experience building production, user-facing web applications, and strong React and TypeScript experience. The role offers a competitive salary and benefits package.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Founding Frontend Software Engineer
Full-time | On-site | San Francisco, CA
Comp: $160k–$225k base + equity
Visa sponsorship available
The opportunity
I’m working with a well-funded, early-stage technology company building mission-critical software in a massive, non-obvious industry. They’re hiring a Founding Frontend Software Engineer to own and scale core user-facing product surfaces from the ground up.
This is a rare role that combines founding-level ownership with a business that already has real customers, revenue, and product-market validation.
What you’ll do
Own the frontend architecture and implementation of new, customer-facing products
Build and ship complex UI on top of API-driven systems and large data models
Translate real-world workflows into intuitive, scalable frontend experiences
Refactor and modernise existing frontend code to improve performance and developer velocity
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Define frontend patterns, components, and best practices as the product surface area scales
Work closely with backend engineers and product to deliver end-to-end features
Tech environment
TypeScript
React
Modern state management (MobX or similar)
API-heavy, data-intensive products
High-scale production systems
What they’re looking for
3+ years building production, user-facing web applications
Strong React and TypeScript experience
Product-minded engineer who cares deeply about UX and system design
Comfortable operating in ambiguity and taking full ownership
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Experience at early-stage startups (Seed–Series B) strongly preferred
Ability to work on-site in San Francisco, 5 days per week
Why this role stands out
Founding-level ownership with real influence over product direction
Early-stage upside without early-stage chaos
Technically challenging problems that don’t exist at most companies
Highly technical, in-person engineering culture
Backed by top-tier investors and experienced operators
Compensation & benefits
$160k–$225k base salary
Meaningful equity ownership
Healthcare coverage
401k with employer match
Relocation support
Visa sponsorship available (H1B, TN, etc.)
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