Daffa Mumtaz
Full Stack Engineer at Kredivo Group
Jakarta Metropolitan Area Indonesia
Summary
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SeniorDaffa Mumtaz is a Full Stack Engineer with eight years of experience building performant, production-grade web applications across fintech, media, and enterprise sectors. Currently at Kredivo Group, he partners with product and business teams to design and deliver scalable solutions while continuously optimizing for performance and maintainability. Previously he rebuilt Ngopibareng.id from the ground up—achieving a 60% speed improvement via backend optimization, caching, asset reduction, and an image-processing service—and built ecommerce and CMS systems integrated with payments, shipping, and error tracking. He has a proven track record of translating complex business requirements into robust, reusable systems, including reporting and finance workflows for cooperative and healthcare apps. Based in Jakarta, Daffa blends pragmatic engineering with attention to SEO, reliability, and developer ergonomics, and often builds in-house libraries and automation to speed team delivery.
8 years of coding experience
3 years of employment as a software developer
Stackoverflow
24reputation
9kreached
2answers
1question
Github Skills (193)
mysql-database10
whatsapp-cloud-api10
databases10
prosemirror10
wysiwyg10
whatsapp10
couchdb10
javascript10
minio10
client-library10
linux10
browser-app10
single-page10
api10
appimage10
Programming languages (11)
Github contributions (5)
Zzombiee2361/whatsapp-web-electron.js
Mar 2021 - Nov 2022
A WhatsApp client library for NodeJS that connects through the WhatsApp Web in electron
Contributions:17 releases, 21 commits, 21 pushes in 1 year 8 months
whatsappelectronwhatsapp-webclient-libraryjavascript
WAClient/WALC
Apr 2020 - Dec 2022
An unofficial WhatsApp Desktop client for linux systems.
Contributions:13 releases, 2 reviews, 103 commits in 2 years 8 months
electronwhatsappwhatsapp-linuxwhatsapp-weblinux
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