Fresh Backend Developer with ASP.NET Core Expertise

Tôn Viết Tri

FRESHER BACKEND DEVELOPER

081*-***-*** **************@*****.*** Ho Chi Minh city

SKILLS

• ASP.NET Core

• SQL server, PostgreSQL

• RESTful API Design, JWT Authentication

• Git, Postman, Docker

EDUCATION

BACHELOR OF COMPUTER SCIENCE

Bach Khoa Ho Chi Minh University - HCMUT

EXPERIENCE

BACKEND DEVELOPER INTERN Gia Lai, QUY NHON

TMA Solution July 2025 – October 2025

• Learn how to operate the software development process.

• Developed and tested RESTful APIs to improve data retrieval speed and enhance system responsiveness for end-users.

• Optimized database queries to reduce latency and increase backend throughput, improving overall application performance. PERSONAL PROJECTS

MOTELMATE May 2025 – October 2025

Boarding House & Tenant Management System

Technologies: ASP.NET Core, EF Core, SQL Server, Angular, SignalR, QuestPDF.

• Developed a multi-role platform (Admin, Landlord, Tenant) with ASP.NET Core Identity for authentication and JWT access/refresh tokens for stateless API authorization.

• Implemented real-time notification and chat features using SignalR WebSocket hubs, enabling instant updates on rental requests and payment status.

• Built PDF invoice and contract generation with QuestPDF, and integrated Cloudinary for room image uploads with automatic optimization.

Link GitHub

VIETEDU October 2025 – Present

E-Learning Marketplace with AI Video Analysis

Technologies: ASP.NET Core, EF Core, PostgreSQL, Redis, Lucene.NET, Docker, Nginx, Python (FastAPI).

• Designed a Modular Monolith architecture with 7 service modules (Content, Identity, Interaction, Learning, Notification, Ordering, Search), each split into API, Application, Domain, and Infrastructure layers with a shared kernel for cross-cutting concerns.

• Built a Lucene.NET full-text search engine with custom Vietnamese analyzers, faceted filtering, and background re-indexing via Hangfire; benchmarked at 13.6x faster than PostgreSQL ILIKE on 10,000 records.

• Implemented Hangfire + Redis for asynchronous job processing (AI transcription, search indexing) with typed job serializa- tion to ensure reliable queue execution.

• Integrated VnPay/SePay webhook payment flows, SignalR role-based real-time notifications, JWT access/refresh token rotation, Google OAuth 2.0, and RBAC authorization.

• Deployed on Google Cloud VM using Docker Compose with GPU passthrough for Whisper AI, persistent volumes, and Nginx reverse proxy with SSL auto-renewal and endpoint security policies. Link GitHub Link Deploy

CERTIFICATIONS

• Toeic 650

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