Senior Backend Software Engineer (Python, PostgreSQL) - AI Start-up

Senior Software Engineer (Python / PostgreSQL)

$150,000 - $250,000 + 401(k) + Medical + PTO + Equity + Relocation Support + Progression

Miami, Florida – Fully Onsite

Do you have strong backend engineering experience and want to join a well-funded AI start-up where you can own high-impact, technically fascinating 0→1 platform development?

This is a rare chance to join a VC-backed team on a mission to become Miami’s AI leader, offering huge autonomy, a high-performance culture, and unlimited career growth.

Backed by $50M in funding, YC professionals, and AI visionaries, this early-stage startup has proven product-market fit and seven-figure customers. They’re seeking a software developer to join their high-impact, close-knit team, where you’ll help shape the future of enterprise AI from the ground up!

You’ll join a small, high-impact development team onsite in Miami, taking ownership of building cutting-edge internal AI tools that drive quality, reliability, and performance. You’ll work across backend (Python/FastAPI), data (Supabase/PostgreSQL), cloud platforms, observability, and messaging/telephony. You will be able to make meaningful impact from day one!

This is the perfect opportunity for an ambitious developer looking to make a significant impact within a rapidly growing startup, with excellent long-term career prospects!

The person:

* Strong Python experience ( FastAPI preferred)

* Strong SQL skills; hands-on PostgreSQL schema design

* Looking to join an early well-funded AI Start-up

* Able to build 0-1 systems quickly with full ownership!

* Happy to be onsite in Miami downtown 5 days a week.

The role

* Take ownership in building new AI platform performance tools that drive quality and reliability.

* Backend – Python (FastAPI)

* Data - PostgreSQL / Supabase

* Platform : CI/CD / AWS / Terraform/ CDK

* Observability: OpenTelemetry / Prometheus / Grafana

* Fully onsite in Miami working alongside a highly skilled team!