Selected work

Project experience

Enterprise projects I've delivered as an engineer and sub-lead — cloud infrastructure, IoT, generative AI and large-scale system integration.

2025.10 – 2026.03

Cloud infrastructure for a retail electronic shelf-label platform

Led requirements-to-delivery of a new multi-tenant AWS infrastructure supporting an electronic shelf-label (ESL) system for a major retail client. Owned the cloud architecture, built the environment with Infrastructure-as-Code and automation scripts, and set up the CI/CD pipeline as sub-lead of a 6-person infrastructure team.

Role: Sub-lead, Infrastructure team (6)

AWS Lambda Amazon S3 Amazon SQS DynamoDB Docker CI/CD IaC
2025.01 – 2025.10

Facility HVAC management system — full-stack development

Built a new web system for monitoring and controlling building HVAC equipment for a major manufacturer, covering system/API/DB design through Python backend and Angular frontend development, and unit/integration testing, as sub-lead of a 7-person team.

Role: Sub-lead, Dev team (7)

Python Angular DynamoDB AWS Docker OpenSearch
2024.06 – Present

In-house generative AI & RPA efficiency initiative

Investigated and prototyped generative-AI and RPA applications to streamline internal operations: built AI features with the OpenAI API and LLaMA, designed a Retrieval-Augmented Generation (RAG) pipeline, and trained/evaluated ML models on AWS.

Role: AI engineer, Team (7)

Python OpenAI API LLaMA RAG AWS S3 AWS Lambda
2023.10 – 2024.12

SAP core-system enhancement for automotive parts manufacturing

Added features and improved performance for a core SAP system supporting an automotive-parts manufacturer's back-office operations: developed business logic in ABAP and VBA, and optimized processing of datasets with 100M+ records.

Role: Member, Team (6)

ABAP VBA SAP
2022.10 – 2023.09

IoT-connected "Smart Mirror" application for the beauty industry

Developed an information-display application connected to IoT devices for a beauty-industry client: backend development in Java (Spring), frontend development in Vue, unit/integration/system testing, and post-release maintenance.

Role: Member, Team (15)

Java Spring Vue.js PostgreSQL