Senior Fullstack Developer (Python + LLMs) – Contract to Hire

Senior Fullstack Developer (Python + LLMs) – Contract to Hire

Location: Remote (LATAM preferred)

Rate: Up to USD $65/hour (Contract, with potential full-time conversion)

About the Opportunity

G2i is partnering with an innovative, fast-growing AI startup building cutting-edge solutions focused on intelligent document (PDF) processing. This is a high-impact role for a senior engineer who thrives in early-stage environments and has hands-on experience building and deploying LLM-powered systems from the ground up.

You’ll work directly with a highly energetic and driven founder, so we’re looking for someone who matches that enthusiasm and enjoys fast-paced, collaborative environments.

What You’ll Do

Design and build scalable backend systems using Python

Develop and deploy LLM-based features from 0→1 (prompting, fine-tuning, orchestration, etc.)

Integrate LLMs into production-grade applications

Architect and implement APIs and services for AI-driven workflows

Collaborate closely with the founder and product team to shape the technical direction

(Optional) Contribute to frontend development using React/Convex

What We’re Looking For

Strong experience as a Senior/Staff-level Fullstack or Backend Engineer

Deep expertise in Python

Proven experience working with LLMs in production (OpenAI, open-source models, or similar)

Experience building and launching LLM products from scratch (0→1)

Solid background in startup environments (early-stage, high ownership)

Strong backend and system design skills

Ability to independently build integrations and ship quickly

Nice to Have

Experience with React and/or Convex

Familiarity with AI-driven document processing or similar domains

Behavioral Fit

High energy and proactive mindset

Comfortable working closely with a passionate, fast-moving founder

Strong communication skills and ownership mentality

Engagement Details

Contract role (up to USD $65/hour) with strong potential to convert to full-time

Fully remote, with preference for candidates based in LATAM

If you’re excited about building AI products from the ground up and want to work in a fast-paced startup environment, we’d love to connect.