Senior Backend Software Engineer (Python, FastAPI) - AI-Native Startup

Senior Software Engineer (Python / FastAPI)

$150,000 – $250,000 + 401(k) + Medical + PTO + Equity + Relocation + Career Growth

Miami, Florida – Onsite

Opportunity for a strong backend engineer to accelerate their technical growth by working with modern, forward-leaning technologies inside an AI-native startup.

This role offers the chance to build 0→1 systems, deepen your expertise across Python, FastAPI, cloud infrastructure, and scalable architectures, and establish a long-term career within a company built from the ground up around AI innovation.

Backed by major investors and supported by respected leaders across the tech landscape, this forward-thinking start-up is on track to become Miami’s flagship AI organisation. You’ll work with cutting-edge technologies while collaborating with some of the brightest minds shaping the future of AI.

Within this elite engineering team, you will help build an AI-driven SaaS platform designed to deploy next-generation conversational AI into the mainstream. The tech stack includes (but is not limited to): React, TypeScript, Tailwind, Python, FastAPI, AWS, DevOps, and more!

Be part of a tight-knit, high-performing group at the forefront of bringing voice-enabled AI products to market!

The person:

• Strong Python development experience (FastAPI)
• Solid SQL skills; hands-on PostgreSQL
• Highly motivated to learn
• Thrives in a fast-paced startup setting
• Genuine passion for AI
• Comfortable building 0–1 systems with full ownership

The role:

• Take ownership of building an AI-powered SaaS platform that deploys voice AI agents
• Frontend: React, TypeScript, Tailwind
• Backend: Python (FastAPI)
• Database: PostgreSQL, Edge Functions
• Cloud & DevOps: AWS, CI/CD
• Collaborate closely with a small, high-calibre engineering team
• Fully onsite in Miami, working alongside world-class talent