9+ Years experience
150M+ Users reached

Mahbub Zulkarnain

Project Manager & Solution Architect

Embedded at Telkomsel — Indonesia's largest telco. Delivering enterprise-scale products across telecom, fintech, and IoT.

Mahbub Zulkarnain

9+ years spanning software engineering and project management — from building backends at startups to delivering enterprise infrastructure at Indonesia's largest telco. Currently embedded as Project Manager & Solution Architect at PT Telekomunikasi Selular (Telkomsel), leading a 20+ person cross-functional team across application development, platform engineering, and telecom infrastructure.

Deep technical roots, and combined with hands-on experience in telecom protocols, private cloud deployment, and fintech compliance (PCI DSS 4.0). Fluent coordinating with international vendors including Tencent, Huawei, Titanicom, and H3C.

Jakarta, Indonesia Indonesian Bahasa Indonesia & English
2021 — Now PT Code Development Indonesia Embedded at Telkomsel, 150M+ subscribers

Project Manager & Solution Architect

  • SISCAMLING — AI-based anti-scam system on MyTelkomsel; blocks ~1.4 billion scam attempts/year for 150M+ subscribers, running on VoLTE/non-VoLTE/Whatsapps.
  • CloudX — Core infrastructure (HLR, SBC, IMS, SCC-AS, PBX, GMSC, and others) powering Telkomsel's enterprise UCC product line — Virtual PABX, Hosted Contact Center, Unified Communication — serving corporate, government, and SME clients.
  • Duwit (with MCash) — Bank Indonesia-regulated e-money wallet: QRIS, PPOB, and cashless COD (with SiCepat); double-entry ledger architecture on Kubernetes, PCI DSS 4.0 compliant.
  • Echo — Captive portal system on IndiHome ONT (Huawei), integrated into Telkomsel's IndiHome billing/payment flow via QRIS & Finpay with OTP verification — reducing manual collection touchpoints for subscribers.
  • Tencent Co-CDN — 3TB CDN co-location across Telkomsel datacenters, sustaining MAXStream TV's FIFA World Cup 2026 streaming surge (104 matches, official Telkomsel×TVRI rights).
  • Palm Scan Solutions — Palm Vein Recognition (PVR) identity verification deployed across 3 clients: BGN (Free Nutritious Meal program beneficiary verification, part of the BGN×Peruri GovTech initiative), Telkomsel (enterprise sites, on-prem Cloud Enterprise), and Maluku Utara Provincial Government (civil servant attendance, launched May 2025).
  • In-Car WiFi — Connected-vehicle data service with Toyota (via mTOYOTA app); part of Telkomsel Enterprise's Advanced Network Services for the automotive sector.

Tech Lead Earlier role

  • Volta — Consumer mobile app for EV customers: real-time charging station discovery, live availability, transaction/usage history, start/stop charging control — part of Volta Indonesia's national charging infrastructure buildout (with PLN & 28 partners).
  • Fleet Management — B2B/B2G fleet monitoring API & super-app for Volta EV enterprise partners, supporting deployments like SiCepat Ekspres's 10,000-unit electric motorbike fleet.
  • Semolis — EV rental platform for online ride-hailing drivers (path to ownership), IoT-integrated location/battery monitoring, free battery swap via SGB network — live in Bali, Surabaya, Medan & Jabodetabek.
  • SGB — Smart battery exchange system managing swap stations & battery health monitoring.
2020 — 2021 PT Bank MNC International Tbk.

Software Developer

  • Motion Banking — Digital banking app for MNC Bank: 43 features across transfers, e-wallet top-up, bill payment, and credit card management; drove 77% user growth within its first year.
2019 — 2020 PT Hacktivate Teknologi Indonesia

Software Developer

  • Hacktiv8 Campus Platform — LMS for Indonesia's first coding bootcamp: curriculum access, assignment submission & progress tracking, supporting a network that now places graduates in jobs within ~6 weeks via 750+ hiring partners.
  • Hacktiv8 Bootcamp Application — Cohort enrollment & graduation assessment platform, including Indonesia's first Income Share Agreement (ISA)/study-now-pay-later payment flow.
  • Kode ID — Self-paced e-learning spin-off of Hacktiv8, expanding beyond programming into business, marketing, design & leadership courses.
2018 — 2019 PT Smooets Teknologi Outsourcing

Tech Lead

  • Redstorm — Bug bounty marketplace connecting security researchers with companies (incl. crypto exchange Indodax) for continuous vulnerability testing, with cash/crypto rewards.
  • Timah — Internal enterprise application for PT Timah Tbk employees.
2017 — 2018 PT Made in Bandung Solution

Software Developer

  • Tettot UMKM — Digital marketing & catalog platform for Indonesian UMKM (small/medium enterprises), with social media integration; recognized at Indonesia Website Awards 2017.

Languages

Golang JavaScript TypeScript

Infrastructure & Cloud

Kubernetes Docker AWS GCP Azure Tencent Cloud VMWare Proxmox VE IoT

Database & Messaging

PostgreSQL MySQL MongoDB Redis Kafka RabbitMQ MQTT

Telecom

SIP SS7 DIAMETER VoLTE / IMS OpenSIPS

Management

Project Management Agile / Scrum Solution Architecture Vendor Management Stakeholder Management

Fintech & Compliance

PCI DSS 4.0 QRIS ISO 8583 Digital Wallet PPOB Biometric Verification

Open to Solution Architecture & Project Management opportunities in telecom, fintech, and IoT — let's talk.