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

About the role

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.

Responsibilities

• 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

Requirements

• 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
• 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.

Benefits

Additional Information

Senior Fullstack Developer (Python + LLMs) - Contract to Hire Location: Remote (LATAM preferred) Rate: Up to USD $65/hour (Contract, with potential full-time conversion)

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