Founding Full-Stack Engineer — Ship Features (TS/React/Node)

REPLO; San Francisco, Northern (CA, KY); Hybrid; USD 180,000 - 300,000; Full time

Job summary

REPLO is seeking a full-stack founding engineer in San Francisco to architect and ship features using Typescript, React, and Node. You will build sandbox infrastructure, an analytics platform, and public APIs for integrations (e.g., Slack).

The role emphasizes delivering operating products with a customer-centric mindset and minimal planning cycles. Ideal candidates have built 0→1 products with real users and revenue, are comfortable working independently without heavy product/design

Qualifications

• Proficient in Typescript/React/Node.
• Ability to ship features with product focus.
• Experience building products from 0→1 with real users and revenue.

Responsibilities

• Architect and implement full-stack features using Typescript/React/Node.
• Build sandbox infra for agents, including secrets, proxies, and compute.
• Launch analytics platform on ClickHouse/MSK handling millions of events daily.
• Develop public API for Replo/Slack bots.
• Overhaul billing to support usage-based pricing.

Skills

Typescript

React

Node

Education

CS degree

Tools

Cursor

Claude Code

Job description

REPLO is seeking a full-stack founding engineer in San Francisco to architect and ship features using Typescript, React, and Node. You will build sandbox infrastructure, an analytics platform, and public APIs for integrations (e.g., Slack).

The role emphasizes delivering operating products with a customer-centric mindset and minimal planning cycles. Ideal candidates have built 0→1 products with real users and revenue, are comfortable working independently without heavy product/design