Yudha Pratama

Software Engineering Manager | Leading 15 Engineers | Golang, React, Kafka, System Architecture | Legacy Modernization & Event-Driven Systems

Portfolio

Selected Projects

Each project presented a unique set of challenges — from distributed systems design to developer tooling and infrastructure.

BAF Mobile

BAF Mobile

A mobile application enabling installment payments across multiple product lines — including motorcycles, multiproduct financing, and dana syariah — built on a modern Golang and React architecture.

GoReact NativePostgreSQLApache KafkaOpenshiftAxway
Sales And Digital Integrated Assistance (SANDIA)

Sales And Digital Integrated Assistance (SANDIA)

A sales support platform for managing order data, running installment simulations across car, motorcycle, multiproduct, and dana syariah financing.

GoReact JSReact NativeMicrosoft SQL ServerApache KafkaOpenshiftAxway
Event Bus

Event Bus

An Apache Kafka-based event bus enabling reliable, real-time integration between internal and external systems, including B2B partner connections.

Apache KafkaGoPostgreSQLOpenshiftAxway
Lead Management System

Lead Management System

A high-performance lead processing system using Golang concurrency and WebSockets, ingesting leads from Google Ads, TikTok, and other channels and cutting processing time for 1,000 leads from 1 hour to under 1 minute.

GoReact JSPostgreSQLMicrosoft SQL ServerApache KafkaWebSocketOpenshiftAxway
Realtime Payment Notification

Realtime Payment Notification

An event-driven payment notification system built on Confluent Kafka, delivering highly reliable, real-time transaction updates.

Apache KafkaGoMicrosoft SQL ServerCDC
Hotwheels Product Development Portal

Hotwheels Product Development Portal

An internal portal for managing and tracking product development lifecycle and costing for Hot Wheels-related product lines.

JavaScriptJQueryPHPCodeIgniterMySQLMicrosoft SQL Server
Career

Experience

A proven track record of building software at scale across startups and established tech companies.

2021 — Present

Software Engineering Manager

PT Bussan Auto Finance

  • Lead a team of 15 engineers across core application and B2B systems, including 2 Tech Leads
  • Authored and standardized company-wide Software Engineering Guidelines
  • Reduced lead upload processing time from 1 hour to under 1 minute for 1,000 records (Golang concurrency + WebSockets)
  • Implemented Confluent Kafka for real-time payment notifications and B2B webhook infrastructure
  • Contributed to achieving ISO 27001 certification through ISMS enhancements
  • Remediated critical penetration test vulnerabilities, including Brute Force and Man-in-the-Middle (MitM) attacks on OTP requests
  • Built automated CI/CD pipelines
2020 — 2021

Software Engineer

PT Mattel Indonesia

  • Developed the Hotwheels Product Development Portal from the ground up (0 to 1)
  • Independently designed the system architecture to digitalize and automate product development processes that were previously manual
2019 — 2021

Freelance Software Engineer

Developed web applications for enterprise clients. Delivered 8 client projects on time

  • Psychological Test Web App (DISC, IST, WPT, CFIT)
  • Student Executive Board Web App
  • Kuliah Kerja Nyata Fieldwork Monitoring Web App
  • New Student Admission Web App
  • Electricity Token Vending Web App
  • Cooperative Web App
  • Computer Repair Service Web App
  • Zakat Management Web App
About

Philosophy & Experience

I believe great engineering leadership sits at the intersection of solid architecture and strong people. Systems don't scale without the right technical foundations, and teams don't scale without trust, clarity, and room to grow — I try to build both at the same time.

Over the past year leading a 15-engineer team across customer-facing and B2B systems, I've put that philosophy into practice: modernizing legacy PHP monoliths into scalable React + Golang architectures, building event-driven infrastructure with Confluent Kafka for real-time payment processing, and turning a 1-hour lead upload process into one that finishes in under a minute.

But the numbers only tell half the story — equally important has been building the guardrails that let a team move fast without breaking things: standardized engineering guidelines, clear versioning practices, and a security-first mindset that helped us achieve ISO 27001 certification and close out critical pentest vulnerabilities before they became real risks.

For me, that's the job — not just shipping systems that work, but building teams and standards that keep working long after I've moved on.

LanguagesJavaScript, Go, PHP, Python
FrontendReact, Next.js, Vue, Tailwind CSS
BackendNode.js, Elysia, FastAPI, Gin, Fiber, Laravel, CodeIgniter, MySQL, MicrosoftSQLServer, PostgreSQL, Oracle, Redis, MongoDB, Apache Kafka
InfraDocker, Kubernetes, AWS, GCP, Github Action, CI/CD, Openshift, Axway
ToolsGit, VS Code, Claude Code, Software AG, Jira
Contact

Let's Connect

Find me on these platforms. I'm always open to interesting conversations and opportunities.