Mid Full-Stack Engineer (Python/FastAPI/React)

Remote, Worldwide

We're looking for a mid-level full stack engineer to build features end to end across a Python/FastAPI backend and a React/TypeScript frontend. A large share of the work involves LLM-powered product features: an AI agent that calls tools to read and write real project data, and pipelines that pull structured data out of messy documents.

Location:LATAM 100% Remote. Working hours are based on the US Central Time Zone. Minimum 6-hour overlap.

About us:

Abstra is a fast-growing, Nearshore Tech Talent services company, providing top Latin American tech talent to U.S. companies and beyond. Founded by U.S.-bred engineers with over 15 years of experience, Abstra specializes in sourcing skilled professionals across a wide range of technologies to meet our clients’ needs, driving innovation and efficiency.

Key Responsibilities:

• Build and ship full-stack features.

• Create fast proof-of-concept work for demos and client feedback. • Extend the AI agent: add and maintain tools with typed input and output schemas, refine system prompts, and keep model outputs grounded in data from the database. • Measure LLM behavior with evaluation suites and use the results to guide changes to...