About

Hi there

I'm Nuttapat Pothavichai (alias Ball at work), a Software Engineer & System Architect from Bangkok, Thailand. I have a background in Mechanical Engineering and a Master's in Software Engineering for Data Science. I'm passionate about building scalable backend systems and cloud-native architectures with AI. I work mainly with Java, Spring Boot, Next.js, TypeScript, and Google Cloud.

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  Aug 2025 – Present

  Craft iTech Co., Ltd.

  System Architect (Project-based)

  • Promoted from Software Developer to support solution-level design, system integration, and direct coordination with banking IT stakeholders.
  • Designed end-to-end integration flows for an enterprise banking purchase system using REST APIs, batch processing, and deep links — coordinating with three external parties.
  • Defined API contracts, data models, and error-handling scenarios across 40+ APIs.
  • Coordinated technical work for a team of 3–4 members; supported SIT, UAT, and performance testing up to ~50 concurrent users.
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  Jun 2024 – Jul 2025

  Craft iTech Co., Ltd.

  Software Developer

  • Lead full-stack developer delivering an enterprise banking system for purchase policy management and payment notifications.
  • Built backend services with Java & Spring Boot, integrated with frontend apps built with React & Next.js.
  • Worked with a large relational database processing ~40 GB/day through scheduled batch jobs, focusing on data consistency, performance, and fault tolerance.
  • Supported the full release lifecycle across SIT, UAT, and production, including performance tuning and production hotfixes.
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  Jun 2022 – Jun 2024

  King Mongkut's University of Technology Thonburi

  M.Sc. Software Engineering for Data Science

  • Master of Science in Software Engineering for Data Science
  • School of Information Technology, Bangkok, Thailand
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  Jan 2019 – Apr 2023

  Mitsubishi Motors (Thailand) Co., Ltd.

  R&D Engineer (Automotive)

  • Executed engineering designs and specifications from Mitsubishi Motors Japan headquarters within a formal review and approval framework.
  • Followed rigorous documentation, change request, and approval workflows ensuring full compliance with corporate engineering standards.
  • Collaborated with cross-functional teams and external suppliers under high quality and safety constraints.
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  Jun 2017 – Dec 2018

  PPSN Co., Ltd.

  Mechanical Engineer

  • First industry role after graduating from Chiang Mai University.
  • Worked as a Mechanical Engineer, applying engineering principles in a professional environment.
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  Jun 2013 – Jun 2016

  Chiang Mai University

  B.Eng. Mechanical Engineering

  • Bachelor of Engineering in Mechanical Engineering, Chiang Mai, Thailand.
  • Later transitioned into software engineering — driven by passion for building systems and solving complex problems with code.

Contact

Reach out to me at nuttapatp@outlook.co.th or find me on social media: