Hey, I'm GeryGery Yulianto,
Product Manager.
I build product requirements and operating workflows for technical systems.
I'maProductAssociatewithasoftwareengineeringbackground
product, crypto,
engineering, and whatever
I'm currently obsessed with.
My Experience
Product work backed by operations, automation, and technical delivery.

Product Associate (Converted from Intern)
PT CENTRAL FINANSIAL X (CFX) • Jakarta
- Owned product requirements for a perpetual futures trading engine deployed across 6 licensed Indonesian exchanges, covering balance management, risk controls, and post-trade flows.
- Initiate an optimization initiative across the derivatives product contracts, streamlining 178 contracts down to 40 and driving ~$71,000/month in cost efficiencies while maintaining trading volume.
- Built the trade surveillance function from 0 to 1. Defined SOPs, designed surveillance algorithms, and shipped monitoring dashboards to support compliance operations for a regulated market.
- Identified gaps in order book depth and uptime, built alert-based monitoring for the liquidity team to achieve ~99% market-making SLA compliance for the first time.
- Designed balance reconciliation logic between the trading engine and custody infrastructure, ensuring client funds stayed accurate and consistent across trading, settlement, and custodial systems.
Key Metrics
Latest from the blog.
Sharing my thoughts, practical lessons, and the occasional deep dive into whatever I'm working on.
B2B Virtual Card Infrastructure for Durianpay
Building upon the Sub-account model, this study case explains how "Virtual Corporate Card" can help clients fund daily operational expenses directly from their clearing balances, without leaving Durianpay Ecosystem
So... What If Tilaka Built a Fraud Detection Product?
Here's how I would design a fraud detection product for Tilaka, building on its existing trust lifecycle
Designing External Prescription Experience for GoApotik
Exploring how GoApotik can design external prescription fulfillment while maintaining patient safety and compliance.
"Parkir Gaji" as the Salary Ecosystem for Superbank
This case introduces “Parkir Gaji”, a salary routing feature designed to create stronger user stickiness through early salary access, automated salary allocation, and financial insights
B2B Virtual Card Infrastructure for Durianpay
So... What If Tilaka Built a Fraud Detection Product?
Designing External Prescription Experience for GoApotik
A few projects worth a closer look.
A regulated trading platform, a revenue-generating e-commerce build, and an applied machine learning project.
Perpetual Futures Trading Platform
Owned product requirements for a perpetual futures trading engine deployed across 5 licensed Indonesian exchanges, covering order lifecycle management, risk controls, post-trade accounting, surveillance, and liquidity monitoring.
Baby Branded Shop E-Commerce
Delivered a Laravel-based e-commerce platform for a baby brand, covering catalog, cart, Midtrans checkout, order tracking, bulk SKU uploads, and Google Cloud media storage.
Context Aware Driving Assistance System
Built a multi-module perception pipeline that fuses object proximity, motion, and lane overlap into a real-time contextual risk score for developing-country roads absent from standard autonomous vehicle datasets.