ExpressVPN

• Developing an internal skill directory tool using Typescript, React, Redux, and Go. The tool will allow us to track engineering skills across teams to facilitate team formation and drive engineer upskilling efforts.

• Spearheaded a team of six senior software engineers in redesigning our monolithic API service written in Lua into smaller and better scoped microservices using Go. The initiative resulted in
a significant reduction in system complexity and a substantial improvement in overall reliability.

• Designed and developed new features for ExpressVPN’s API gateway, which serves as the primary interface for all client applications to communicate with our backend services. We were also responsible for maintaining the gateway’s stability, scalability, and security, ensuring seamless and secure access for millions of users worldwide.

• Architected and implemented an AWS ECS/Fargate based platform to support our microservices, enabling seamless deployment, monitoring and management of the services in a cost effective manner.

Staff Software Engineer | Lead

• Lead the development of ExpressVPN’s first Software Engineer Growth Path thus improving retention and hiring by providing clarity, consistency and transparency into career paths within the company.

• Our team built a cost effective log analytics and real time dashboard system enabling ingestion of TBs of logs/day at a fraction (0.3%) of cost of a third party solution potentially saving more than $190,000 annually and providing critical observability into our API Gateway.

• Successfully upgraded two Tier 1 services from Ruby on Rails 4 to 5, enhancing performance, reliability and maintainability.

Staff Software Engineer | Lead | Engineering Manager

• Assumed ownership of a mission critical legacy application (Ruby on Rails) that was key to managing our fleet of VPN servers, and led efforts to improve its stability, security, and operational maintainability.

• Developed a high performing team that consistently met SLA requirements for owned services and delivered all committed objectives throughout the year, earning recognition as one of the most effective teams in the company.

• Our team built tools to orchestrate the rolling update of ExpressVPN’s fleet of 2000+ Trusted Servers globally.

• Our team enabled ExpressVPN’s OEM partnerships with HP, ACER and Toshiba increasing sales, awareness and trust in the brand.

Senior Software Engineer | Lead | Engineering Manager

• Contributed to building and maintaining the infrastructure for ExpressVPN’s frontend facing websites. The system supported millions of requests/minute and included critical features such as signup, payment, login, split testing, and sales attribution.

• Led the migration of ExpressVPN’s frontend websites from multiple thirdparty hosting solutions to a multi region setup on AWS, resulting in a highly reliable, costeffective, and scalable system that improved website performance, improved our ability to handle DDoS attacks and improve end user latency.

• Managed operations for several hightraffic Ruby on Rails applications, achieving 99.99% uptime through effective security, budgeting, cost optimization, monitoring, and alerting.

• Designed and built the backend for ExpressVPN’s DNS Leak Checker.

Software Engineer | Lead | Engineering Manager

Nixplay

• Contributed to building and maintaining the "Nixplay Frame” software (running Android OS)
• Worked in cross functional teams to design, build and ship new features following both an agile development methodology and a test driven development (TDD) approach.

• Conducted extensive research and development to implement offline voice recognition (using Pocketsphinx) in Nixplay frames, enhancing the user experience by enabling voice commands without requiring an internet connection.

• Overhauled Nixplay’s image carousel software, leveraging LibGDX and OpenGL ES2.0 to improve overall functionality and aesthetics. Explored and tested new possibilities, including a LibGDX Video based prototype for a video carousel.

Junior Android Developer → Software Engineer

Kerry Logistics

Worked with internal stakeholders and vendors to build and/or maintain the following applications,
• Global Human Resource Database System (.net, C#, SQL )
• eOrgChart (electronic Organizational Chart) (Java, Javascript)
• ePR (electronic Purchase Requisition) Workflow (.net, C#, SQL)
• Kerrier eCard (mobile e-Greeting Card App) (iOS)
• KL Club (exclusive online shopping platform for Kerry Logistics staff and associates) (C#, MVC)

Programmer

Academic Liason Section of the Registry, The University of Hong Kong

Contact point for enquiries related to undergraduate admission from prospective students and their families

Tasks including but not limited to 
• Enquiry desk 
• Responding to Admission Related Queries through phone or email
• Campus tours 
• Sharing sessions

Student Research Assistant

J.P. Morgan

• Member of Research Publishing, Client Technology Group. Built and Tested Report Publishing Tools for in-house use.
• Member of IB Technology Intern Group. Built a Generic Lookup Platform to retrieve and visualize data from internal systems for use by traders.

Summer Intern of CIB Technology

The Electrical and Electronic Engineering Department, The University of Hong Kong

• Supervised practical laboratory training for students. 
• Included Basic Electronic Circuit Practicals using Breadboards and FPGA Boards.
• Fostered students’ interest and logical thinking through interactive conversations and leading question

Lab Assistant

With over nine years of diverse experience in the field, I have served as a Software Engineer, People Manager, Department Head, Project Manager, and Product Owner. During this time, I have led teams, developed products, and engineered solutions. I am excited to bring my expertise to new challenges and opportunities.

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