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Le Chi Luan

Software Engineer

Software Engineer with nearly 3 years of experience designing, developing, and operating backend systems for high-volume e-commerce platforms. Proven track record in building scalable, fault-tolerant microservices and distributed workflows using Node.js and Python. Strong expertise in system performance optimization, asynchronous processing, and database efficiency. Graduated with First Class Honors in Bachelor of Science (Hons) in Computing from the University of Greenwich (UK), consistently ranked among the Top 3 students in the Computing program across multiple semesters. Passionate about building reliable, scalable backend systems and contributing to product-driven organizations through engineering excellence and long-term business impact.

Education

University of Greenwich (UK)

Bachelor of Science (BSc Hons) in Computing

University of Greenwich (UK)

2019 - 2023
  • Graduated with First Class Honors
  • Top 3 Student - Computing Program From 2020-2023 (Consecutive Multiple Semesters)
  • Core team member of Google Student Developer Clubs (2022-2023)
  • Third Prize Greenwich Coding Challenge V3.1 (2022)

Experience

Yes4All

Software Engineer

Yes4All

Nov 2024 - Present · 1 yr 9 mos
Ho Chi Minh City, Vietnam · Full-time
Project SOMS (Sales Order Management System)A backend system for automating order management, shipping carriers, invoicing, and transaction flows across multi-channel e-commerce platforms.
  • Integrated multiple global e-commerce platforms (Amazon Vendor, Amazon Seller, Walmart, Wayfair) and international logistics providers (USPS, UPS, FedEx) into a centralized order management system.
  • Wrote unit and integration tests using Jest and Mocha to ensure system reliability.
  • Implemented Apache Kafka to enable asynchronous, scalable communication between microservices.
  • Integrated Conductor to manage job execution and distributed workflows in microservices architecture.
Tech Stack:

Node.js, PostgreSQL, Conductor, Kafka, Jest, Mocha, AWS S3.

Finpal

Backend Developer

Finpal

Nov 2024 - Oct 2025 · 1 yr
Remote · Freelance
Project FinpalA driven financial analytics platform that transforms complex market and company data into clear insights for smarter investment decisions.
  • Designed and developed a microservice backend service using FastAPI.
  • Integrated OpenAI (function calling) into backend workflows to support financial analysis and automation. Optimized database queries to improve performance.
  • Deployed services on AWS EC2 (Ubuntu) with Nginx and automated CI/CD using GitHub Actions.
Tech Stack:

Python, FastAPI, MySQL, OpenAI, EC2, Nginx, GitHub Actions.

OnPoint E-commerce

Junior Software Engineer

OnPoint E-commerce

Mar 2024 - Oct 2024 · 8 mos
Ho Chi Minh City, Vietnam · Full-time
Project OpolloA SaaS platform aggregating multiple third-party e-commerce platforms into a unified system for enterprise operations.
  • Developed and optimized features for order management, product, inventory, customer service, and purchase orders.
  • Integrated multiple e-commerce platforms (Shopee, TikTok Shop, Lazada) and local logistics providers (GHN, GHTK) into a centralized order management system.
  • Improved system performance and scalability across high-volume workloads.
Tech Stack:

React, Node.js, Elixir, PostgreSQL, Redis, Elasticsearch, GitHub.

Project IrisDeveloped a dedicated live chat microservice extracted from the core Opollo system to handle message ingestion, storage, and delivery across multiple e-commerce platforms.
  • Implemented backend logic to receive, persist, and route customer messages from external marketplaces to the Opollo system in near real-time.
Tech Stack:

Elixir, PostgreSQL, Webhook, Microservices.

IVS Joint Stock Company

Fresher Software Engineer

IVS Joint Stock Company

Aug 2023 - Feb 2024 · 7 mos
Ho Chi Minh City, Vietnam · Full-time
Project AizenContributed to the development of an enterprise SaaS accounting system for a large construction corporation in Japan.
  • Designed and implemented backend APIs and corresponding user interfaces for core accounting workflows, collaborating with cross-functional offshore teams.
Tech Stack:

JavaScript, .NET, SQL Server, GitLab.

GCalls company

Intern Customer Success Engineer

GCalls company

May 2023 - Jul 2023 · 3 mos
Remote · Internship
Training and Development
  • Developed full-stack web applications using MERN Stack.
  • Deployed applications on AWS EC2 (Ubuntu) and Cloudflare.
  • Implemented automation testing for several modules of the GCalls.
Tech Stack:

Node.js, Express.js, React.js, MongoDB, Mocha, EC2, Cloudflare.

BIWOCO company

Intern Backend Developer

BIWOCO company

Apr 2023 - May 2023 · 2 mos
Ho Chi Minh City, Vietnam · Internship
Project VoltaRocksDesigned a FastAPI backend to ingest, process, and serve government energy data collected through scraping and NLP pipelines.
Tech Stack:

Python, Pandas, JusText, Sumy, FastAPI

Skills

Python

Python

JavaScript

JavaScript

TypeScript

TypeScript

Node.js

Node.js

Express

Express

FastAPI

FastAPI

Django

Django

React

React

PostgreSQL

PostgreSQL

MySQL

MySQL

MongoDB

MongoDB

Redis

Redis

Elasticsearch

Elasticsearch

Kafka

Kafka

Conductor

Conductor

Nginx

Nginx

Git

Git

GitHub

GitHub

Ubuntu

Ubuntu

Jest

Jest

Mocha

Mocha

Pandas

Pandas

OpenAI

OpenAI

Elixir

Elixir

Projects

VisAI Claims Agent

VisAI Claims Agent

Yes4All Hackathon - Developed an AI agent to assess delivery package damage and identify carrier vs. vendor responsibility, enabling claim verification for returned goods. Uses Computer Vision and OpenAI Vision.

LCL Shop

LCL Shop

Developed an ecommerce system for selling technology devices with chatbot integration and data analysis (Final Year Project). Features include product recommendations, export invoice, and chatbots using Django and Dialogflow.

FPT Book

FPT Book

Built an online bookstore for FPT University using ASP.NET MVC 5 and Entity Framework. Features include book catalog browsing, category filtering, search by book, author, or category, user authentication, shopping cart, checkout, order history, feedback, and admin management for books, users, authors, publishers, categories, and orders.

Ideas Portal

Ideas Portal

Built a PHP-based ideas management system for university departments with Staff, Quality Assurance Coordinator, and Quality Assurance Manager roles. Features include topic deadlines, anonymous idea submission, file uploads, likes/dislikes, comments, email notifications, idea export to CSV, document downloads, and admin management for accounts, roles, departments, and topics.

ATN Store

ATN Store

Developed a PHP and PostgreSQL toy store application with product browsing, category pages, search, product details, customer registration/login, session-based cart, checkout with delivery and payment selection, order tracking, feedback, and an admin dashboard for products, categories, suppliers, branches, customers, orders, and revenue.

Mobile World Group

Mobile World Group

Created a PHP and MySQL retail website inspired by Mobile World Group for browsing smartphones, tablets, watches, and accessories. Features include product search, category filtering, product details, user registration/login, cart management with stock checks, checkout with delivery information, order history, feedback, and admin tools for products, categories, customers, orders, and reports.

Group Projects

UoG Event Portal

UoG Event Portal

Group Projects - Built a PHP-based University of Greenwich event attendance portal with user and admin roles, event management, student/member management, RFID device integration, attendance logs, profile updates, and password management.

IT Club Web

IT Club Web

Group Projects - Developed a PHP-based IT Club website for University of Greenwich with member login, event listing, profile updates, password changes, user management, device management, attendance logs, and Excel export support.

Blog

Thoughts, insights, and stories from the world of software engineering and design.

Contact Me

I am always open to new opportunities and collaborations. Feel free to reach out through any of the platforms below!