Senior Software Engineer/Team Lead, Shopline, May 2020 - Present

• Led 14 backend engineers to deliver core e-commence features(payments, logistics, products, checkout):
  - Defined objectives and goals for team members
  - Offered guidance to team members on system design, coding style and best practices
• Led:
  - Handled daily operation troubleshooting and merchant requirements for core e-commerce domains
  - Product/inventory revamp from core RoR service to new Golang service
  - Performance enhancement of batch product upload functionality
  - Checkout revamp: allow multiple deliveries with one-time checkout
  - Payment Integration: Octopus(HK), Neweb Pay - CVS/Apple pay(TW)
• Designed, developed, coordinated:
  - Shopline Payments/Shopline Logistics (AWS Lambda) - Modularization of payments/logistics to reduce development cost for new third party integration
  - Set up terraform/helm templates for other developers to follow
  - Payment Integration: PV(Japan), FPX via Revpay(Malaysia), Asiabill Payment(China), Neweb Pay - Apple Pay(Taiwan)
  - Facebook CAPI Integration - server events to track user data
  - Reserve inventories for live streaming events

Senior Backend Engineer, Oriente, Aug 2019 - May 2020

• Designed and developed new e-commence features for lending app finmas using node.js in Indonesia: 
  integrated with third party ESPAY for prepaid mobile/electricity service
• Analyzed system performance and refactored to reduce API response speed: 30% for user APIs
• Main developer of CRM service for marketing team to send out sms/edm/push notification to app users
  Features developed:
  Frequency control for numbers sent to each user / Generating sales outbound list for Indonesia

Engineering Manager, honestbee, Feb 2019 - Jul 2019

• Led two squads(10 engineers) including FE, BE, QA to deliver software solutions of honestbee offline store - habitat in SG
• Provided technical insights for product roadmaps
• Set and reviewed goals for each team member

Senior Backend Engineer, honestbee, Aug 2018 - Feb 2019

• Collaborated with PMs/designers/business owners to clarify feature requirements
• Designed, architected and developed multiple software projects:
  Designed, developed a new Golang project as one of the main developers
  Designed, consolidated requirements and built a new panel for new web service independently

• Analyzed system performance by using monitoring tools and provided solutions: 
  Used deep plucking approach to reduce more than 50% of certain API's time and memory cost
  Refactored part of checkout flow to remove unnecessary dependencies and reduce 30% checkout API speed

• Reviewed junior engineers' technical solutions and provided advice
  

Software Engineer, honestbee, Dec 2016 - Jul 2018

• Developed web service applications with Ruby on Rails and Golang
• Implemented tests in RoR and Golang to maintain system stability
  
• Identified, analyzed and resolved software issues on production stage
• Collaborated with mobile engineers to design APIs.

Web Developer/Instructor, ALPHACamp, Nov 2015 - Nov 2016

• Built learning system, internal management system by Ruby on Rails and HTML/CSS/jQuery
• Designed/built learning materials for bootcamp students
• Lectured bootcamp students as an instructor