NGUYEN HOANG PHUC

SOFTWARE ENGINEER | BACKEND / FULLSTACK

Ho Chi Minh City, Vietnam +84 376 096 328 hoangphucseisza@gmail.com linkedin.com/in/hoangphucseiza

Professional Summary

Software Engineer with 2+ years of experience building backend and full-stack applications. Skilled in .NET/C#, distributed systems, Microservices, SQL/NoSQL databases, cloud platforms, event-driven architecture, and AI integrations.

Technical Skills

Languages: C#, JavaScript, Python, SQL

Backend: .NET, C#, Node.js, Python, REST APIs, Microservices

Frontend: Nuxt 3, Vue.js, Pinia, Tailwind CSS, HTML/CSS

Cloud / DevOps: Azure Functions, Azure Service Bus, Azure WebJobs, AWS S3, Docker

Data / Messaging: SQL Server, MongoDB, Redis Cache, Redis Pub/Sub, MassTransit, indexing, SQL execution plans

Architecture / Security / AI: Clean Architecture, DDD, CQRS, Modular Architecture, Actor Model, Options Pattern, OAuth2, OIDC, IdentityServer4, JWT, 2FA/TOTP, RAG, Agentic Workflows, OpenAI API, Claude API

Education & Achievement

University of Information Technology (UIT - VNUHCM)

Bachelor of Information Systems | GPA: 3.4/4.0 | Top 5 Students Academic Scholarship, 2024

Experience

BIGIN Software Company

Software Engineer, promoted to Tech Lead / Middle 1 responsibilities

Virgil Sep 2025 - Present | 1 year

Full-stack role | 13 Vietnamese members + India development team + US PM team

  • Reduced login latency from 20s to 5s through database and caching improvements for a high-traffic healthcare platform.
  • Improved report search from 6s to 2s by improving data access and search performance.
  • Architected a Stripe Add-ons payment and webhook system with MassTransit and Actor-based event coordination to preserve payment consistency and prevent race conditions.
  • Built distributed synchronization and testing capabilities with Redis Pub/Sub; mentored 7 Vietnam developers within a multi-region team.
Pags Mar 2025 - Sep 2025 | 6 months

Full-stack role | Education project | 3 people: 2 full-stack developers + 1 PM

  • Improved core business flows and database performance, reducing calculation lookup complexity from O(n) to O(1).
  • Delivered AI prompt, Vector Embeddings, cloud worker, and SSO security capabilities with Azure Functions, Storage Queues, and WebJobs.
  • Led project delivery and developer support while contributing to production releases and security remediation.
InstaChart Jan 2025 - Mar 2025 | 2 months

Backend role | Built from scratch | 1 backend developer + 1 frontend developer + 1 PM | MVP to client project

  • Built identity, role-based access, and OAuth2 integrations across multiple healthcare data centers and portals.
  • Integrated Stripe $30 authorize charges and AWS S3 storage; enabled fast search across approximately 200,000 hospital and clinic records.
ScreenPlayer Dec 2024 - Jan 2025 | 1 month

Full-stack role | MVP project | 2 people + 1 PM

  • Integrated OpenAI-powered PDF understanding and Text-to-Speech capabilities for an MVP product.
  • Built Python automation for supporting data collection workflows.
XBackup Sep 2024 - Dec 2024 | 3 months

Full-stack role | 5 people: 4 full-stack developers + 1 PM

  • Initialized an internal full-stack platform with Clean Architecture, CQRS, DDD, authentication, and caching.
  • Delivered MongoDB-based identity and search capabilities with a Nuxt 3 frontend.

Personal Projects

Microservices Starter Kit | Cloud-NativeAWS + Azure

Solo project | Azure + AWS

  • Architected a cloud-native Micro Backend and Micro Frontend system across AWS and Azure using Redis, Azure Functions, and Azure Service Bus.
Graduation Project | AI-Powered Social NetworkSep 2021 - Sep 2025 | 4 years

Full-stack role | 2 people | Thesis score: 9.1/10

  • Built an AI-powered social network with real-time communication, social graph-based recommendations, security features, and deep-learning models using ResNet50 and LSTM.