Software Engineer & Technical Lead with 5+ years building scalable microservices, mobile apps, and web systems. Currently @ Bank BTPN Syariah, Jakarta.
About Me
I'm a Software Engineer & Technical Lead passionate about designing scalable systems and leading high-performance teams. With expertise in Java Spring Boot, Golang, Vue.js, and Android, I've helped build systems that serve thousands of users reliably.
Currently at Bank BTPN Syariah, I lead the technical design for web & mobile apps — architecting 20+ microservices, implementing event-driven systems with Apache Kafka, and reducing production defects by 50%.
I also love building side projects: from animated landing pages to Android family tree apps — always exploring, always shipping.
How I Work
Understanding requirements, constraints, and user needs before writing a single line of code.
Breaking down the problem — system design, data flow, and technology stack selection.
Architecting clean, scalable solutions with clear documentation and team alignment.
Delivering with code reviews, testing, and production monitoring for zero-downtime releases.
My Work
Android app for building & visualizing family trees. Kotlin, MVVM, release/1.0.0
View Project →Real-time biometric monitoring dashboard with TensorFlow OCR integration.
View Project →20+ microservices with Java Spring Boot, Kafka event-driven architecture.
View Project →Pure HTML/CSS/JS animated landing page running in Docker. Port 8080.
View Project →Personal AI agent via WhatsApp. Claude-powered, self-hosted on Linux server.
View Project →Expertise
With 5+ years of professional experience, I specialize in building robust backend systems, scalable microservices, and cross-platform mobile apps.
I bridge the gap between technical complexity and business value — designing systems that are not just functional, but maintainable and performant at scale.
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What People Say
"Alfi's technical leadership transformed our team. His microservices architecture reduced our system complexity significantly while improving performance."
"Incredibly reliable and technically sharp. The event-driven system he built with Kafka handles millions of transactions seamlessly."
"Alfi mentored our junior developers exceptionally well. Production bugs dropped by 50% after he implemented proper code review standards."
"The Android FamilyTree app Alfi built is clean, fast, and well-structured. His Kotlin + MVVM approach made it easy to maintain and extend."
Get In Touch
Have a project idea? Looking for a technical lead or backend engineer? Let's talk. I'm open to full-time roles and freelance consulting.