Nguyen Thi Thu Ha

C.O Tech AI Co., Ltd.

• Built end-to-end features for Offspots, a location-based social and voucher platform: Django REST Framework + PostgreSQL APIs, Mapbox Search Box, and React/Next.js UI.
• Built a NestJS microservice for ConcorAI, an AI chatbot integrating the OpenAI ChatGPT API for conversation and image generation, with Free and Plus tiers.
• Designed database models, migrations, RBAC, map-pin tagging, and privacy settings.
• Deployed on a Linux VPS with Docker, Docker Compose, Daphne, and systemd.
• Took products live for search: GoDaddy domains, Cloudflare DNS/CDN, Google Search Console, sitemaps and robots.txt.
• Implemented JWT authentication, CRUD APIs, and a responsive UI.

KPI Management System, Bình Tân Ward

• Built a Django authentication and authorization microservice for a local-government KPI system in a 5-person team.
• Delivered REST APIs for register, login, and logout with RBAC, password hashing, and standardized error handling.
• Integrated the auth service with a NestJS backend and a Vite frontend.

Phu Hung Securities Corporation

• Developed a real-time trading app in Flutter using BLoC/Cubit.
• Integrated REST and WebSocket feeds for live stock data.
• Implemented UI from Figma specs.

Mini Banking Transaction System · Java, Spring Boot, Spring Data JPA, PostgreSQL

Transaction processing with optimistic locking, pessimistic locking, deadlock prevention, and transactional atomicity.

Conditional GAN Image-to-Image Translation · Python, PyTorch, GANs, Computer Vision

U-Net generator and PatchGAN discriminator for satellite-to-map translation, trained on GPU and scored with PSNR/SSIM.

Pro Trader — Trading App · Flutter, Dart, WebSocket, BLoC/Cubit

Real-time stock quotes, indices, and order books. Built with a 4-person team.