Full-Stack Software Engineer

HyperFiSan Francisco, CA, United States

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We're building the kind of platform we always wanted to use : fast, flexible, and built for making sense of real-world complexity. Behind the scenes is a robust, event-driven architecture that connects systems, abstracts messy workflows, and leaves room for smart automation. The surface is clean and simple. The interactions are seamless and intuitive. The machinery underneath is anything but. That’s where you come in.

We’re a well-networked founding team with strong execution roots and a clear roadmap. We’re backed, focused, and delivering fast.

We're looking for a Full-Stack Software Engineer to join early. Someone who’s eager to learn, ready to contribute, and excited to work on real systems alongside experienced engineers. You’ll touch every layer of the stack — from UI components, API endpoints, deployment pipelines, and AI-based workflows — and play a critical role in shipping features, fixing bugs, and helping the team move fast without breaking things.

💥 What You’ll Do

Build features across the stack : React UI, Python APIs, agentic workflows, MCP server integrations, database models, and everything in between
Pair with senior engineers to implement scoped tickets and stretch into bigger ones
Write testable, maintainable code that fits into the broader architecture
Participate in planning, code review, and strategy — we’re a tight team, everyone has a voice
Learn rapidly by doing, and contribute ideas as you grow
React (frontend)
gRPC + REST interfaces
Terraform, GitHub Actions, GCP

You don’t need to know all of this on day one — just be honest with us and yourself, and ready to dive in and learn.

Engineers come first : your time, focus, and judgment are respected

Deep work >

chaos : fixed cycles & cooldowns protect focus and keep context switching low

Autonomy is the default : trusted builders who own outcomes, no babysitters

Ship daily, safely : merge early, integrate vertically, ship often, use feature flags, and keep momentum

Outcomes over optics : solve real problems, not ticket soup

Voice matters : from week one, contribute, improve something, and shape how we build

Senior peers, no ego : collaborate in a high-trust, async-friendly environment

Bold problems, cool tech : work on complex challenges that actually move the needle

Fun is part of it : we move fast, but we also celebrate wins and laugh together

✅ What We’re Looking For

2–5 years of professional software engineering experience (startup or fast-paced environment a plus)

Comfortable working across both frontend and backend, even if you lean one way

Experience with modern JS frameworks (React, Vue, etc.) and backend service patterns

A desire to write clean code, ask good questions, and keep getting better

Team player mindset — curious, proactive, and humble

Confident English skills to collaborate clearly and effectively with teammates

Have shipped features that spanned frontend + backend

Have worked in an event-driven or microservice architecture

Are familiar with Python, Postgres, or TypeScript

Have side projects or open-source work you’re proud of

Must be based in San Francisco, Las Vegas, or Tel Aviv

Full-time role with competitive comp

Flexible hours, async-friendly culture, engineering-led environment

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Software Engineer Fullstack • San Francisco, CA, United States