About

Call me, Leo 👋

I’m a Senior Software Engineer based in Bangkok, Thailand, with 6+ years of hands-on experience across the software development lifecycle. I specialize in building scalable, high-performance backend systems, with a strong focus on the advertisement industry.

I care deeply about robustness, scalability, and performance optimization — and I have a keen eye for the details that keep systems reliable under real-world load.

Beyond writing code, my passion is translating ideas into action. I love using my engineering and leadership skills to solve meaningful problems and make people’s lives better.

What I’m working on now

• 🏢 Senior Software Engineer @ LSEG (London Stock Exchange Group) — Oct 2024 to present
• 🚀 Part-time Engineer @ Fastwork — Feb 2025 to present

Career highlights

At LINE MAN Wongnai, I led a team to build the ad system architecture for food delivery services — here are a few outcomes I’m proud of:

• 💰 Led the design & implementation of the ad platform (ad serving, price engine, pacing, reporting & packages), driving ad revenue up by 100%+
• 📊 Built a real-time tracking system for traffic reports, improving data quality and accuracy by 24×
• ⚡ Built data aggregation apps that cut API response time by 50%+ and reduced third-party costs (Python, Apache Airflow, BigQuery)
• 🤝 Mentored junior engineers and helped shape their technical growth and career paths

Tech I work with

Find me online

• 💼 LinkedIn
• 🐙 GitHub — @hokkung
• ✍️ Medium — @hokkung

Let’s connect! I’m always open to exploring how my experience and passion for excellence can add value to your team, project, or organization. 🤝