Finly Backend
Confidential backend platform for a gamified financial literacy learning product.
Read the Finly Backend notesBackend systems for products that need to keep moving.
I’m Zain, a senior backend engineer who ships Go services, developer platforms, and cloud infrastructure built for operations.
Enter the 3D island
Projects
Browse the project archivePortfolio Lens
A RAG chatbot for my personal website.
View Portfolio LensDenia
A Docker-free, single-node PaaS for running services on a machine you own.
View DeniaExperience
See the full timelineRead the longer story
Right now
- LocationSurakarta (Solo), Indonesia · it’s GMT+7 here
- Current roleSenior Backend Engineer at Cata
- CertificationJLPT N4 Japanese language
- Primary focusGo, distributed systems and cloud platforms
Tools in the work
- Golang
- TypeScript
- Docker
- Kubernetes
- PostgreSQL
- AWS
- Redis
- GCP
Writing
Practical notes on Go, distributed architecture, and the decisions behind shipped software.
Read the writing archiveBuilding Denia: A Docker-Free Single-Node PaaS
Why I built Denia as a single Rust binary for running self-hosted services without Docker.
Configuring Google Cloud Environments with Pulumi
Configuring Google Cloud environments with Pulumi, Go, Cloud Run, Cloud SQL, and Cloud Build.
Using AI Agents to Write ADRs While Building Features
Using AI agents to write Architecture Decision Records while building features.
Games
25 small browser games I built to explore game loops, physics, and input handling.
- Neon DodgeSurvivalPlay Neon Dodge
- Mini Tower DefenderTower DefensePlay Mini Tower Defender
- Hook DashPhysics ArcadePlay Hook Dash
Contact
Have a backend problem to untangle?
I’m open to remote backend opportunities and thoughtful technical collaborations.