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Le Chi Luan

Software Engineer

Software Engineer with nearly 3 years of experience designing 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. Seeking to contribute to a product-driven organization by delivering reliable, scalable backend systems that support long-term business growth and operational excellence.

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 3 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 - AI Claims Agent (Yes4All Hackathon)

VisAI - AI 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.

View Project
E-commerce System with Chatbot Integration

E-commerce System with Chatbot Integration

Developed an e-commerce 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.

View Project

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!