Exhibition · Edition I
Ezha Syafaat
Backend systems · Music · Writing · Visual art
Co-Founder & CTO SakuCita
About
Engineer and maker working across systems, sound, words, and visual art.
Senior Backend Engineer with 7+ years of experience building and maintaining scalable systems, specializing in API integrations, payment systems, and high-availability services. Proven track record in developing and optimizing complex backend architectures, including QRIS acquiring systems and real-time transaction processing. Experienced in leading system design and contributing hands-on across the full development lifecycle, with a strong focus on reliability, performance, and maintainable architecture.
Works
Sakucita - Co-Founder & CTO
PT Saku Cita Kinarya · 2026
Architecture & Engineering Led the end-to-end development of a donation platform, covering system architecture, backend services, and infrastructure decisions Designed and implemented scalable backend services to support real-time donation flows and high concurrency Optimized backend performance by improving database queries and restructuring critical service flows Payment Integration Built and maintained integrations with payment gateways (QRIS, virtual accounts, etc.) using REST APIs Developed webhook-based architecture for reliable asynchronous payment processing Improved transaction success rate by optimizing validation and retry mechanisms in payment processing flows Reliability & Observability Ensured system reliability through idempotent processing, retry mechanisms, and transaction reconciliation Established logging and monitoring strategies to enhance system observability and debugging Leadership & Delivery Translated business and product requirements into scalable technical solutions and system design Acted as a bridge between technical and non-technical stakeholders to align product direction and execution Managed feature prioritization and oversaw project delivery to meet business objectives Contributed hands-on to backend development while leading overall technical direction
Zipay - Backend Engineer
PT Max Interactives Technologies · 2024
Architecture & Engineering Led the end-to-end development of a donation platform, covering system architecture, backend services, and infrastructure decisions Designed and implemented scalable backend services to support real-time donation flows and high concurrency Optimized backend performance by improving database queries and restructuring critical service flows Payment Integration Built and maintained integrations with payment gateways (QRIS, virtual accounts, etc.) using REST APIs Developed webhook-based architecture for reliable asynchronous payment processing Improved transaction success rate by optimizing validation and retry mechanisms in payment processing flows Reliability & Observability Ensured system reliability through idempotent processing, retry mechanisms, and transaction reconciliation Established logging and monitoring strategies to enhance system observability and debugging Leadership & Delivery Translated business and product requirements into scalable technical solutions and system design Acted as a bridge between technical and non-technical stakeholders to align product direction and execution Managed feature prioritization and oversaw project delivery to meet business objectives Contributed hands-on to backend development while leading overall technical direction
Purwantara - Backend Engineer
PT Purnama Pasifik Nuswantara · 2020
Product & Delivery Led end-to-end development of core applications, from initial concept through deployment, ensuring production readiness, system stability, and continuous improvement based on user feedback Vendor & API Integration Designed and maintained integrations with multiple financial vendors, including banks and payment gateways, ensuring secure, reliable, and efficient data exchange Managed and optimized API communication for transaction processing, including validation, error handling, and real-time data flow Identified and resolved integration issues to maintain high availability and a seamless payment experience for end users Innovation Pioneered integration between EDC (Electronic Data Capture) machines and blockchain-based systems to enable secure, transparent, and immutable transaction records Performance & Reliability Improved overall system reliability and performance by refining backend processes and handling edge cases in transaction flows
The Release
Ezha Syafaat
Exclusive Edition
Materials
Languages & Frameworks
- Laravel
- Go
- NestJS
- Python
- Solidity
- Bun
Data
- PostgreSQL
- MySQL
- Redis
- MS SQL Server
Infrastructure
- Docker
- Nginx
- Linux
- Alibaba Cloud
- Kubernetes
- Ethereum / EVM
Tools & APIs
- Git
- Claude Code
- RabbitMQ
Writing
Essays will appear here soon.
Contact
For commissions, collaborations, or conversation — send a note.
ezhasyafaat@gmail.com