⚡Over 4 Years of Experience • Open to New Opportunities
Hi, I'm Lê Nguyễn Thành Chung
Software Engineer (Backend Main • Frontend Sub)
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Yên Xá, Thanh Liệt, Hà Nội, Vietnam
About Me
Software Engineer with over four years of experience creating dynamic web applications. Skilled in component-based architecture, state management, and API integration, with a foundational knowledge of backend technologies like Spring Boot and PostgreSQL, allowing me to contribute to end-to-end solutions. My goal is to secure a role with opportunities for professional growth and career advancement.
👨🎓
HUST Graduate
Hanoi University of Science and Technology (08/2018 - 05/2023)
Computer Engineering - Bachelor
🌐
Language Proficiency
TOEIC 600 • CEFR - B1
Professional communication in international & cross-functional teams
⚡
Engineering Breadth
4+ Years Experience
Backend Microservices (Spring Boot, Kafka) & Modern Web (Vue, React, Angular)
🚀
Career Objective
Deliver robust, high-performance systems and drive continuous professional excellence
Skills & Expertise
Core technical expertise across Backend (Main), Frontend (Sub), Cloud DevOps, and AI-assisted workflows.
Backend (Main) Expertise
8 technologies • Average proficiency: 64%
0
Expert
3
Advanced
4
Intermediate
1
Beginner
Java Spring Boot
Framework
80%
Advanced
PostgreSQL
Database
70%
Advanced
Docker
Container
70%
Advanced
Kubernetes
Orchestration
60%
Intermediate
Apache Kafka
Streaming
60%
Intermediate
ELK Stack
Logging & Tracing
60%
Intermediate
NestJS
Framework
60%
Intermediate
Mockito & JUnit
Testing
50%
Beginner
Projects
Showcasing enterprise production platforms, microservice architectures, and academic engineering projects.
In Progress
Enterprise
SCP Monitoring
Rikkeisoft – Samsung SDS Onsite
11/2025 – Present
Software Engineer
Tech Stack
Java
Spring Boot
Kubernetes
PostgreSQL
Kafka
ELK Stack
Mockito
MCP
AI Agents
Key Highlights & Contributions
- ▸Engineered robust backend microservices with Java & Spring Boot, optimizing PostgreSQL relational schemas and query performance for high-throughput workloads.
- ▸Implemented distributed event-driven architectures using Apache Kafka to handle asynchronous data streaming and decouple service-to-service communication.
- ▸Deployed and managed containerized services on Kubernetes clusters while leveraging ELK Stack for centralized log indexing, tracing, and rapid production debugging.
- ▸Wrote comprehensive automated test suites using Mockito and JUnit to mock dependencies, validate critical business logic, and ensure high test coverage.
- ▸Hardened service security by resolving AI-scanned vulnerabilities, leveraging local MCP toolchains and AI agent skills to automate code refactoring and incident triage.
Completed
Enterprise
SSC System
Business Web Application
02/2025 – 11/2025
Software Engineer
Tech Stack
HTML5/CSS
TypeScript
VueJS 3
Vuex
Java Spring Boot
PostgreSQL
Key Highlights & Contributions
- ▸Engineered and implemented core features for enterprise web application using VueJS 3 and Java Spring Boot.
- ▸Constructed responsive, pixel-perfect website UI directly translated from Figma mock designs.
- ▸Collaborated, reviewed, and supported teammates to troubleshoot complex technical issues and ensure project milestones were met.
Completed
Enterprise
NOC System
ViettelPost – Business Product
03/2024 – 11/2025
Software Engineer / Frontend Dev
Tech Stack
Angular 14
Ionic Framework
Ant Design
Highcharts
Video.js
Map
Spring Boot
PostgreSQL
Key Highlights & Contributions
- ▸Architected and developed new features for a mission-critical business product, extending existing interfaces using Angular 14 and Ionic serving all Viettel Post employees and customers.
- ▸Built corresponding backend functionality and business endpoints using Spring Boot.
- ▸Enhanced code quality and maintainability by conducting peer code reviews and authoring thorough technical documentation.
- ▸Deployed applications to development and staging environments and resolved cross-system integration challenges.
Completed
Finance
Hofuri-M
FPT Software
03/2023 – 03/2024
Frontend Developer
Tech Stack
VueJS 3
Vuex
React
Redux
Jest
TypeScript
HTML5/CSS
Key Highlights & Contributions
- ▸Built and shipped web features for a financial platform with more than 20 developers, used daily by Japanese clients for stock comparison and trading insights.
- ▸Translated Figma designs into accessible, responsive interfaces and integrated market-data APIs with optimistic updates and error boundaries.
- ▸Increased test component coverage by 100% using Jest, ensuring fewer production bugs and stronger client confidence.
- ▸Coordinated weekly demos with Japanese clients to iterate quickly and deliver SLA-compliant requirements.
Completed
Finance
Myforex
Rikkeisoft
03/2022 – 03/2023
Frontend Developer
Tech Stack
VueJS 2
NuxtJS
Vuex
TypeScript
HTML/CSS
MySQL
Key Highlights & Contributions
- ▸Developed SEO-friendly, server-rendered pages with Nuxt, Vue 2, Vuex, and TypeScript for a high-traffic Forex content site.
- ▸Translated mock designs into functional web screens with responsive layouts.
- ▸Improved Lighthouse scores through code-splitting, asset optimization, and architectural review checklists.
- ▸Onboarded and mentored new team members, guiding them on project architecture, reusable UI primitives, and coding standards.
Completed
Academic
Time Keeping Management System
Graduation Thesis – HUST
10/2022 – 02/2023
Fullstack Developer
Tech Stack
VueJS
NuxtJS
NestJS
MySQL
TypeScript
HTML5/CSS
Key Highlights & Contributions
- ▸Engineered responsive user interface using VueJS and NuxtJS for staff time-keeping and attendance tracking.
- ▸Architected RESTful backend APIs with NestJS and managed schema and relational queries using MySQL.
- ▸Designed system operations and wrote comprehensive technical reporting documents for the Graduation Thesis.
Completed
Academic
Project III – E-Commerce Website
Hanoi University of Science and Technology
06/2021 – 08/2021
Fullstack Developer
Tech Stack
Angular
C# .NET
ASP.NET Core
Entity Framework Core
TypeScript
Key Highlights & Contributions
- ▸Constructed responsive e-commerce web interface using Angular and modern CSS styling.
- ▸Engineered backend REST APIs with C# .NET Core and handled object-relational mapping via Entity Framework Core.
- ▸Designed database schema, system workflow diagrams, and authored technical project report documents.
Experience
My professional journey and track record in delivering software engineering solutions.
Rikkeisoft – Samsung SDS Onsite
11/2025 – Present
Software Engineer
- • Designed and deployed scalable new cloud modules and functional enhancements aligned with business and customer requirements.
- • Maintained and refactored legacy core systems to eliminate technical debt, enhance stability, and optimize runtime performance.
- • Handled product-level incident resolution, performing root-cause analysis (RCA) on customer-reported issues and delivering SLA-compliant hotfixes.
- • Remediated application vulnerabilities and third-party dependency CVEs flagged by automated AI-driven security scanners.
- • Integrated AI coding agents, Model Context Protocol (MCP), and custom agent skills into daily engineering workflows to accelerate debugging and task execution.
ViettelPost – NOC System
03/2024 – 10/2025
Software Engineer
- • Built new product interfaces and extended core operational UI serving all Viettel Post employees and customers.
- • Developed scalable frontend architecture with Angular 14 & Ionic Framework and implemented backend microservices with Spring Boot.
- • Conducted rigorous peer code reviews and authored technical documentation for maintainability.
- • Handled continuous deployment pipelines to development and staging environments.
FPT Software – Hofuri-M
03/2023 – 03/2024
Software Engineer
- • Built web features for an enterprise Japanese financial platform using Vue 3, translating Figma designs into accessible, responsive interfaces.
- • Integrated financial market-data APIs with optimistic updates and resilient error boundaries.
- • Wrote Jest tests to lift test coverage by 100%, ensuring zero regression and coordinating weekly demos with Japanese clients.
Rikkeisoft – Myforex
03/2022 – 03/2023
Developer
- • Developed SEO-friendly, server-rendered pages using Nuxt, Vue 2, Vuex, and TypeScript for a high-traffic Forex portal.
- • Improved Lighthouse performance scores through code-splitting, asset optimization, and architectural review checklists.
- • Onboarded and mentored new engineers on frontend component architecture and coding standards.
VTI Corporation
07/2021 – 12/2021
Software Engineer Intern
- • Built and tested full-stack features across Angular front ends and .NET back ends.
- • Collaborated in Agile/Scrum stand-ups, followed sprint plans, wrote unit tests, and deployed to staging environments.
Trí Nam
03/2021 – 06/2021
Software Engineer Intern
- • Interned on an Angular and .NET stack, implementing CRUD modules, fixing defects, and adhering to Git Flow.
- • Wrote integration tests and technical hand-off documentation for senior engineers.
Get in Touch
Feel free to reach out if you have opportunities, technical questions, or want to connect.
Contact Information
Yên Xá, Thanh Liệt, Hà Nội, Vietnam