Trần Quốc Nam

Project: Buddy Talk

An English learning mobile app empowering users to practice English through AI-driven features: free conversation with Buddy AI, pronunciation evaluation, and vocabulary bookmarking.

• ›Researched and implemented AI-powered free-talk conversation and pronunciation evaluation as primary backend developer
• ›Integrated third-party speech and pronunciation assessment services
• ›Set up CI/CD pipelines; configured app distribution via TestFlight (iOS) and Firebase App Distribution (Android)
• ›Conducted end-to-end testing and provided structured improvement feedback

Project: PIMQ

A microlearning platform built on a microservice architecture, leveraging AI for personalized content generation and intelligent recommendations.

• ›Designed and implemented a FastAPI-based AI microservice exposing REST APIs for the web app to generate microlearning content, images, quizzes, and tutoring responses
• ›Configured CI/CD to deploy service to k3s
• ›Integrated with existing services to retrieve source data and create the required learning data for AI generation workflows

Project: Mock Interview

A platform for simulating interview sessions with realistic video conferencing and AI-powered feedback.

• ›Set up backend service and CI/CD for web and backend
• ›Researched and implemented WebRTC (Janus) for real-time interview rooms
• ›Integrated Google and Azure speech services for TTS and STT

Project: Dapp

A decentralized application with ERC20 token functionality including transfer, swap, and earn features.

• ›Wrote smart contract for a token inheriting ERC20 (transfer, swap, earn)
• ›Deployed smart contract to testnet and mainnet
• ›Developed DApp interface to interact with smart contract
• ›Set up TheGraph to index contract events for transaction history

Project: Koffi

4 products built on a microservice architecture: Koffi Outbound/Inbound (invoice management), Koffi PIT (personal income tax), Koffi Sign (electronic contract signing) — unified under a single account with SSO across the entire Koffi ecosystem.

• ›Backend: Invoice management, tax declarations, digital signatures, electronic signing of XML/PDF files, invoice validation; services communicate via REST API and ActiveMQ
• ›SSO & Ecosystem Integration: Implemented and maintained single-account authentication allowing users to access all Koffi products seamlessly within the ecosystem
• ›Business Analysis: Analyzed regulations and proposed required project changes
• ›Unit testing, mentoring and onboarding new team members

Project: OMI CALL

A platform for renting phone numbers for automated/manual calls, with task and customer management across Facebook and Zalo channels.

• ›Implemented phone number rental and task management features
• ›Unit testing and technical research support

Project: OMI TRAINING

A data collection platform for AI training — collaborators transcribe audio, tag gender/region from call recordings.

• ›Implemented audio file management, task management, and collaborator performance statistics
• ›Unit testing and technical research support