Sothy Sek — Software Engineer

Profile

Software engineer with 10+ years of experience building backend systems, data infrastructure, and web/mobile applications. Specialized in microservices architecture, data lakehouse design, and regulatory compliance platforms.

Proven track record delivering scalable APIs, mobile apps, and government digital platforms across public and private sectors in Cambodia. Skilled in system architecture, ETL pipelines, and cross-ministry API integrations.

Experience

Software Engineer

2025 — Present

Financial Technology Center, FSA · Phnom Penh, Cambodia

Design and develop Data Lakehouse infrastructure for regulatory data management
- ETL pipelines with Airflow for multiple data sources
- Data models optimized for analytics and dashboards
- Data quality, validation, and governance implementation
Digital Reporting Platform for non-bank financial institutions
- Configurable reporting schedules (monthly, quarterly, annual)
- Automated submission deadlines and notifications

Software Engineer

2023 — 2025

Digital Economy and Business Committee (DEBC) · Phnom Penh, Cambodia

Built backend services with NestJS, microservices architecture, and PostgreSQL/Mongoose
Developed Digital Platform for Informal Economy, MAFF Permit/License platform, GDPP Construction Registration APIs
Project Evaluation Platform with Flutter web
Logging & monitoring integration with PinoLog and Elasticsearch
Cross-ministry API design for inter-departmental data exchange

Full-Stack Developer (Freelance)

2015 — Present

Freelance / Contract Projects · Cambodia

Developed e-commerce platforms with WordPress, WooCommerce, Laravel, and NestJS backends
Built cross-platform mobile apps using Flutter
Digital menu and hospitality solutions for coffee shops and restaurants
Consulted SMEs on digital transformation and tech integration

Skills

Languages

JavaScript TypeScript PHP

Frameworks & Libraries

Node.js NestJS React Next.js React Native Flutter Laravel

Databases & Data

PostgreSQL MongoDB Mongoose Data Warehouse ETL Pipelines Elasticsearch

DevOps & Tools

Docker Linux Git Logging & Monitoring

Other

WordPress WooCommerce UI/UX Collaboration System Architecture