Building feature for users to pay house bills, buy phone credits and game vouchers. We run distributed system that makes profit, run by 10+ engineersOur product grown 3x in 4 years, as engineering team we take care of our system to be in good shape and handle increased trafficAccomplished significant cloud cost reduction by 80%Maintaining ~100 microservices, upgrading from java 8 to java 17, improve monitoringRegular 1:1s and team development, hiring engineersProtecting team from doing unnecessary tasksMaking technical decisions as a team, make everyones heardBuild internal tools for engineersCollaborate with infosec and infrastructure teamsIncident handling

Moved to GOJEK because it is merged with Midtrans

Leading Payment Gateway in Indonesia, I was building merchants dashboard, setup virtual servers, build custom solution for national airline Garuda Indonesia, build internal reconciliation tool to compare transactions with banks' reports and it handled 4 million records per day

write ruby and javascript code, deploy apps, coordinate small team of developers, client side optimization

Building project IQ300, making websites for customers

GVFS company was making unique service to send physical presents to friends in social network, it was integrated with Russian social networks odnoklasniki and vk.com, soon after launch we had millions of users and expanded products catalog to home appliances, gadgets, house needs. With team of few engineers we were able to accomodate that high load and launch new features quickly

vpodzemke.ru was a new type of social network, where users can connect with others base on their daily metro commute routes, we supported sharing pictures, customizing profiles, direct messages and group discussions, forming online communities. Besides that our company also made services for image editing, online shop creating (including live chat feature for customer support), mobile & iPad games. I did mostly PHP & Ruby programming, deployments and system administration, optimizing for high traffic (all run with nginx)