Full Stack Engineer (Backend-Focused)
Location: Hybrid San Francisco (In-office 23 days/week)
Position Type: Full-Time (Permanent)
Work Policy: Hybrid (No visa sponsorship)
Start Timeline: ASAP
About
A fast-growing AI company building a transformative platform capable of handling millions of users and
transactions per day. Backed by a16z and fresh off a successful Series A the company is preparing for a
major Series B. This is a high-intensity high-opportunity environment with a top-tier team and strong
technical leadership.
Why join
- Join a rocketship startup before its Series B
- Help scale a platform expected to serve millions of users and transactions daily
- Work directly with the CTO and co-founders
- Equity competitive comp based on Series A valuation
- Friendly collaborative top-talent culture
- Massive ownership and autonomy
Compensation
- Base Salary: $160000 $250000 (Target range: $160000 $180000; higher possible for candidates with 8 years of experience and exceptional background)
Tech environment
- Languages: Golang TypeScript
- Frontend: React TypeScript
- Infrastructure: Kubernetes cloud-native systems (e.g. AWS or GCP)
- Focus: High-scale backend systems API design infrastructure ownership
Role summary
- Hiring two backend-heavy Full Stack Engineers to help scale an AI-driven platform.
- Youll work on core backend infrastructure and contribute to frontend features. Ideal for hands-on engineers with systems expertise and a founders mindset.
Responsibilities
- Build and scale backend systems and infrastructure
- Own APIs backend services and cloud infrastructure
- Contribute to React/TypeScript frontend (30-40%)
- Collaborate closely with product and engineering leadership
- Work onsite 2-3 days/week in SF office
- Thrive in a high-performance fast-moving team
Must-have qualifications
- 4-10 years of experience in software engineering
- Minimum 2-3 years experience in Golang
- Strong coding skills with Golang
- Deep understanding of backend systems APIs and databases
- Experience with Kubernetes and cloud infrastructure
- Proficiency in React and TypeScript
- Experience building and scaling backend systems from scratch
- Experience at large tech companies or high-growth startups with high traffic/scale (e.g. Lyft DoorDash TikTok)
- Strong technical background with a degree from a top CS program (not bootcamps)
- Founder mindset: hard work independence ownership
- Willingness to work long hours
- Passion for AI-driven technologies
- Flexibility and no ego attitude
Preferred qualifications
- Experience working at social or mobility platforms (e.g. TikTok Instagram DoorDash Lyft)
- Worked in early-stage startups or Series A/B environments
- Exposure to high-scale system design and infrastructure performance tuning