Mochammad Zachri

I architect production fintech systems
and lead teams that ship them.

Engineering leader with 10+ years building scalable financial platforms.
I turn complexity into reliable, high-throughput systems people depend on.

10+ years
Building production fintech systems
5 engineers led
Led engineering teams and drove delivery
Nearly 2M JAGO Sharia users
Platform scale delivered in production

Lead Software Engineer — Experiments

Top Global Payment Gateway

2025—Now

Building a retail financial aggregator across savings and credit products.
Owned architecture, platform strategy, and end-to-end delivery.

Recent experience

I build and operate financial systems where architecture, regulation, and production reliability meet. My recent work spans retail financial aggregation, Open Banking, Core Banking integration, payments, and fraud detection.


  1. Present

    Lead Software Engineer — Experiments

    Top Global Payment Gateway

    • Architect and develop a retail financial aggregator connecting customers with multiple banks for savings and credit products.
    • Lead five engineers, translating customer needs into reliable backend services and timely delivery.
    • Contribute directly to SNAP banking interfaces, credit risk, regulatory compliance, system design, and production support.

    TypeScript
    Node.js
    React
    Go
    PostgreSQL
    Redis
    AWS


  2. Senior Software Engineer — Experiments

    Top Global Payment Gateway

    • Built an Open Banking service with Bank Sahabat Sampoerna to provide banking services to multiple partners.
    • Led two engineers and one DevOps engineer toward a scalable architecture and production delivery.
    • Owned retail Open Banking integrations, system design, and critical production support.

    TypeScript
    Node.js
    React
    Python
    PostgreSQL
    Redis
    AWS


  3. Senior Engineer

    PT Dkatalis Digital Labs
    (Bank Jago Tech Hub)

    • Contributed to the core development and launch of JAGO Sharia, which scaled to almost two million users.
    • Engineered QRIS, BI-FAST Sharia, Fraud Detection System, and Core Banking integration within the Money Movement clan.
    • Resolved complex production issues to preserve reliability and seamless transactions.

    TypeScript
    Flutter
    Kotlin
    MongoDB
    PostgreSQL
    Redis
    Kafka
    GCP

Earlier career · 2014–2021

  1. –

    Tech Lead & Co-FounderPT Indie Marketindo Ceria

    Built an ERP × POS × online store × marketplace platform from scratch, led a multidisciplinary team of 1–15 people, and scaled infrastructure supporting approximately 700 fashion retail stores across Indonesia.

    • FSB Inventory Platform sign-in screen
      FSB Inventory Management

      Inventory platform with modules for mutation, purchasing, sales, stock opname, reporting, price analysis, and master data.

      CodeIgniter · Mithril · JavaScript · MariaDB

    • Indie Omnichannel ERP and POS
      Indie Omnichannel ERP & POS

      ERP for day-to-day operations, a point of sale for the shop floor, and an online store as another sales channel.

      PHP · TypeScript · MongoDB · MariaDB

      indieomnipos.com
  2. –

    Software EngineerPT Visinesia Digital Media

    Developed a live-streaming service with integrated advertising management and ran backend operations for concert and wedding broadcasts.

  3. –

    Software EngineerPT Digitama Teknologi

    Maintained Karciscus.com and its ticketing infrastructure for events including World of Ghibli, Afgan Concert, and Color Run.

    • Karciscus homepage listing Colour Funwalk, Howl's Moving Castle, Burgerkill, and World of Ghibli Jakarta
      Karciscus

      Event listings and ticket purchase for shows including Colour Funwalk, Howl's Moving Castle, Burgerkill, and the World of Ghibli Jakarta exhibition.

    • World of Ghibli Jakarta volunteer login
      World of Ghibli JKT — Volunteer Dashboard

      Dashboard for volunteer workloads and job assignments.

      CodeIgniter · MySQL · JavaScript

  4. –

    Web DeveloperPT Konsep Digital Indonesia (Qwords)

    Improved operational efficiency through the Qwords Dashboard, an internal SSO platform, and third-party integrations including PANDI and Microsoft.

  5. –

    Software EngineerPT Digita Media Utama

    Developed mobile games, a stock-photo marketplace, point-of-sale software, and a cinema platform while supporting holding-company infrastructure.

    • Jurig Nation turn-based fight
      Jurig Nation

      Turn-based fighting game with ghost-themed characters.

      Cocos2d · C++

    • Gambar Kata draw-guessing game
      Gambar Kata

      Draw-guessing game.

      Objective-C · Node.js · MongoDB

    • Cloud Ocean company profile
      Company Profile — Cloud Ocean

      Company-profile site built from a supplied design.

      HTML · CSS · JavaScript

    • Kaninga cinema player
      Kaninga Movie Player

      Scheduled cinema player, based on VLC, with an admin dashboard.

      C++ · PHP · JavaScript · MongoDB

    • Depasaraya grocery marketplace
      Depasaraya

      Grocery marketplace.

      PHP · MySQL · JavaScript

  6. –

    Web DeveloperPT Indomatrix Mediatama

    Redesigned a quick-count application and built client demonstrations and products across hospital management, e-commerce, marketplaces, and banking services.

    • Indomatrix company profile
      Company Profile — Indomatrix

      Company-profile site.

      HTML · CSS · JavaScript

    • House developer customer dashboard
      House Developer Customer Dashboard

      Customer dashboard for tracking house-construction progress.

      PHP · JavaScript · jQuery

    • Pulpul HLR management dashboard
      Pulpul HLR Management

      Dashboard for a phone-number database organized by HLR.

      PHP · MySQL · JavaScript

    • Unreleased hotel booking site
      Hotel Website

      Hotel site with online booking. Unpublished after the client cancelled.

      PHP · MySQL · JavaScript

    • Rumah Kaos clothing catalogue
      Rumah Kaos 3D

      Clothing catalogue and showcase.

      PHP · MySQL · JavaScript

    • Quick count election site
      Quick Count

      Quick-count site used during an Indonesian presidential election.

      HTML · CSS · JavaScript

    • MedikaCom new student registration
      MedikaCom

      New-student registration platform.

      PHP · JavaScript

    • POLDA JABAR inbox system
      POLDA JABAR Inbox

      Internal mailing desk that assigns letter numbers between divisions.

      PHP · JavaScript

    • Bandoeng Info news portal
      Bandoeng Info

      News portal about Bandung.

      PHP · JavaScript

Systems expertise

Hands-on architecture stays close to delivery. I work across service boundaries, data, infrastructure, observability, and the engineering practices required to keep production systems dependable.

Architecture

  • Distributed systems
  • Event-driven architecture
  • Microservices architecture
  • Database architecture & optimization

Financial systems

  • Fintech & Open Banking
  • Core Banking integration
  • API design & development
  • Fraud detection & compliance

Engineering practice

  • Agile engineering leadership
  • Cloud infrastructure & deployment
  • System observability & monitoring
  • Production support & reliability

TypeScript · JavaScript · Go · Python · PHP · Dart · Kotlin · Node.js · Flutter · PostgreSQL · MySQL · MongoDB · Redis · Elasticsearch · RabbitMQ · Kafka · AWS · GCP · Grafana · Sentry · GitLab · Harness

Projects

Work outside a single employer: a product of my own, and a small studio whose portfolio is worth reading with the roles above.

Personal project

EntarAja — Reminder App

An end-to-end task application with automated reminders integrated with messaging services. I led the complete product lifecycle across backend infrastructure and UI/UX, including the PILO mascot and dynamic sticker states designed to encourage task completion.

TypeScript, Flutter, PostgreSQL, Redis, and RabbitMQ.

Managed self-hosted infrastructure from backend through deployment.

Published for Android on Google Play.

View EntarAja

Studio

rieProjects

A small studio for operations systems, internal tools, mobile apps, and the public face of a business. The portfolio includes client work for PT Fajar Sejahtera Bersama . Operations, people management, field apps, and a company site and smaller products such as Purrlock. EntarAja, above, is part of the same studio.

rieprojects.com

Courses & certifications

  • LeSS in Action Bootcamp · Odd-e
  • Learn Blockchain by Building Your Own in JavaScript · Udemy
  • Microsoft Technology Associate · Microsoft