Michael Loh

Singapore ยท michaellohsy@gmail.com

Senior Software Engineer with expertise in backend development, distributed systems, and cloud solutions. Strong analytical and troubleshooting skills, with a collaborative mindset and excellent communication abilities.

Experience

Staff Software Engineer

Visa Worldwide
  • Led development of features and bug fixes for Visa Installments, while driving the migration from monolith to microservices to enhance system stability and scalability.
  • Designed and led development of features for Visa Click to Pay, including the migration of 70 million profiles, enabling checkout via both email and phone.
  • Optimized regression testing, reducing execution time by 75% and significantly accelerating deployment cycles.
  • Led a team of 3-8 engineers, conducting PR reviews and providing technical guidance to improve code quality and best practices.
  • Collaborated with teams across multiple global offices, working closely with QA, DevOps, and Security teams to ensure seamless development and deployment.
  • Partnered with product managers and architects for grooming, technical design; led stakeholder demos for completed features.
Sep 2022 - Present

Senior Software Engineer

Funding Societies
  • Led a team of 5 to develop a Virtual Credit Card provisioning service.
  • Integrated with an external partner API for user, wallet and card provisioning.
  • Developed webhooks to authorize or reject card transactions in a timely manner.
  • Automated an application registration process, reducing setup time from weeks to minutes.
  • Built and launched Buy Now Pay Later (BNPL) in Indonesia, securing 50,000+ applications.
  • Delivered new features for Trade Finance SaaS platform for small businesses in 5 SEA countries.
Sep 2019 - Sep 2022

Senior Software Engineer

Plunify
  • Developed a web platform enabling users to launch AWS cloud instances for FPGA chip optimization.
  • Designed and built a credits and cloud instance management system within the web platform.
  • Integrated payment processing and OAuth authentication for secure user access.
  • Created machine learning algorithms reducing FPGA chip optimization times by 20%.
May 2016 - Sep 2019

Software Engineer

Bioinformatics Institute
  • Implemented a novel microscopy screening algorithm and helped reduce acquisition time by 40%.
  • Performed image registration on biomedical image slices for drug analysis.
  • Developed image processing algorithms and software for fly specie detection with 99% accuracy.
  • Analysed and provided machine learning solutions for FPGA timing and optimization problems.
August 2013 - April 2016

Intern

Citibank
  • Performed source code migration from CVS to Perforce.
  • Maintained an electronic trading simulator.
  • Tested and analysed two electronic trading simulators by different vendors.
  • Designed a Wiki learning platform to improve knowledge transfer among 10 IT staff.
  • Gained familiarity of FIX protocol.
January 2012 - June 2012

Education

National University of Singapore (NUS)

Bachelors in Computer Engineering
August 2009 - May 2013

University of California, Berkeley, San Francisco

Summer Exchange
May 2011 - July 2011

Skills

Programming Languages

Java, Go, JavaScript, Python, C++

Frameworks & Tools

Spring Boot, NodeJS, AWS, Git, Jenkins, Maven, Kubernetes, Kafka, SQL

Certifications

AWS Certified Developer - Associate

Publications

Side Projects

  • Weather app using National Environment Agency (NEA)'s weather api. Also made using AngularJS. The git repository can be found here.

Interests

In my free time I attend online courses or work on small projects to learn new technology. I am interested in the Internet of Things (IOT) and how this can be applied to home automation. My other hobbies include (in no particular order) reading, biking, manga, anime and gaming.