Founding Frontend Software Engineer

Rec Gen San Francisco Bay Area
Visa Sponsorship Relocation
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AI Summary

Founding Frontend Software Engineer role at Rec Gen involves building and scaling core user-facing product surfaces from the ground up. The ideal candidate will have 3+ years of experience in building production, user-facing web applications, and strong React and TypeScript skills. This is a rare role that combines founding-level ownership with a business that already has real customers, revenue, and product-market validation.

Key Highlights
Founding-level ownership
Building and scaling core user-facing product surfaces
Strong React and TypeScript skills
Key Responsibilities
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
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
Technical Skills Required
TypeScript React Modern state management (MobX or similar) API-heavy, data-intensive products
Benefits & Perks
$160k–$225k base salary
Meaningful equity ownership
Healthcare coverage
401k with employer match
Relocation support
Visa sponsorship available
Nice to Have
Experience at early-stage startups (Seed–Series B)

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

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

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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