Prince Gupta

Senior AI Application & Full Stack Engineer (Contract)

AssistUs • Freelance

Sep 2025 - Dec 2025 • 3 mos

Hired to architect and build a complete AI-driven SaaS platform for business automation. RAG Implementation: Designed and deployed a Customer Support AI Agent using PostgreSQL (pgvector). The system successfully retrieved real-time product data to answer customer queries contextually. (Note: Optimized and later deprecated based on client business logic/cost constraints, but fully functional). AI Content Engine: Built an automated pipeline generating SEO-optimized meta titles, descriptions, and performing context-aware image search for user catalogs. System Architecture: Managed the end-to-end backend logic, API orchestration, and database design, ensuring sub-second latency for AI inferences.

Senior Full Stack Engineer

SectorSevenJapan • Full-time

Oct 2024 - Sep 2025 • 11 mos

Lead engineer for a complex event-trading platform. High-Velocity Delivery: Utilized Cursor and Claude Opus to accelerate frontend and backend development cycles by 300%, shipping a fully responsive Next.js application in record time. Complex State Management: Built real-time prediction markets handling live data updates and high-concurrency user interactions. Performance Optimization: Optimized Next.js rendering patterns to handle heavy data loads without UI lag.

Senior Full Stack Engineer (Contract)

CareForIndians • Freelance

May 2024 - Oct 2024 • 5 mos

Architected the core search and discovery engine for a high-traffic services marketplace. Geolocation Search: Engineered a location-based search algorithm using MongoDB geospatial queries to connect users with providers in milliseconds. API Performance: Built and optimized highly scalable Node.js/Express REST APIs to handle concurrent user requests with low latency. System Reliability: Designed the backend architecture on AWS to support rapid user scaling and data consistency. Stakeholder Management: Translated complex business requirements into technical specifications, acting as the bridge between product goals and engineering execution.