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Founding Full-Stack Engineer (Python / Django / Go / React)

Weekday
Posted 6 months ago, valid for 16 days
Location

New York, New York 10008, NY

Salary

Competitive

Contract type

Full Time

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Sonic Summary

info
  • This role is for an early hire or founding engineer position located in San Francisco, requiring 3–10 years of experience.
  • The selected candidate will design and build systems that power the product, including APIs, data models, and secure infrastructure.
  • Key responsibilities include architecting backend services, building scalable APIs, and directly collaborating with the founders on technical direction.
  • Strong skills in Python (Django/FastAPI) or Go, along with solid React experience, are essential for this role.
  • The salary range for this position is competitive and commensurate with experience.

This role is for one of our clients


Location: San Francisco (On-site)

Experience: 3–10 years

Stage: Seed → Series B

Role Type: Early hire / founding engineer

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Why This Role Exists

You’ll design and build the systems that power the product — from APIs and data models to real-time pipelines and secure infrastructure. You’ll be a core technical owner working directly with the founders.


What You’ll Do

Architect backend services and distributed systems

Build scalable APIs and async workflows

Ship full-stack features when needed

Own performance, reliability, and security

Work directly with founders on technical direction

Set engineering standards and tooling

Leverage AI developer tools to accelerate delivery


What We’re Looking For

Strong Python (Django/FastAPI) or Go

Solid React experience

Proven production system design

Cloud-native on AWS

Startup mindset and comfort with ambiguity


Nice to Have

Kafka / message queues

Postgres / DynamoDB

Terraform / Kubernetes

Regulated environments (healthcare / fintech)

LLM integrations, AI observability, or internal AI tooling




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