2026
Cutr - Shared Household Finance SaaS
Cutr is a SaaS app I built and released for individuals and families to track income, expenses, budgets, and accounts together in one shared workspace.
Rust
Axum
PostgreSQL
Redis
Flutter
SaaS
LLM
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Available for new opportunities
Available for work
Hi, I'm Rizky Kurniawan
Backend Software Engineer
4+ years building and shipping production APIs and backend systems in .NET Core, Go, and Node.js. I also ship production Rust — see Cutr below, a SaaS I built and deployed solo.
Featured Projects
Recent work showcasing backend development, open-source contributions, and innovative solutions.
2025
Open Framebox
A collection of open source libraries and tools for application development, covering authentication, caching, storage, validation, queues, and more.
Go
Opensource
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2025
ASP.NET Core Command
The ASP.NET Core Command Package is an open-source project I built to bring the convenience of Laravel’s Artisan-like command-line features into ASP.NET Core applications.
.NET
Opensource
C#
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Technical Expertise
The languages, frameworks, and tools I use to build and ship backend systems.
Languages & Frameworks
C# / .NET
ASP.NET Core Web API
Go (Golang)
Go (Fiber, Gin)
TypeScript / JavaScript
Node.js (NestJS, Express.js)
Rust
Axum & SeaORM (Rust)
PHP
Laravel
SQL
Databases & Caching
PostgreSQL
MySQL
MsSQL
MongoDB
Redis
Architecture & API Design
RESTful API Design
Clean Architecture & Domain-Driven Design
Background Job Processing & Async Workflows
Cloud & DevOps
AWS S3
Docker
Firebase
GitHub Actions
AI & LLM Integration
LLM API Integration (Cutr, CIAS Platform)
ML & Deep Learning Fundamentals (Dicoding Certified)
Latest Blog Posts
Insights, tutorials, and thoughts on software development and backend technologies.
The Real Cost of Context Switching as a Developer
Context switching is not just losing a few minutes. It compounds. A personal story about the day I did everything and nothing, and three things that actually helped.
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Productive Procrastination: Busy Every Day but Results Nothing
Feeling busy all day but getting nowhere on what actually matters? That’s productive procrastination: staying active to avoid the stuff that’s actually important.
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Why I Never Finished My SaaS (and Maybe You Didn't Either)
Developers don’t fail to finish SaaS because they’re lazy, they fail because they overthink. Perfectionism and engineering habits often delay shipping. The real progress starts when you focus on users, not perfect code.
Read MoreBeyond the Day Job
Open Source Contribution
VS Code extensions, Golang packages, and more
Tech Blogger
Articles on backend development and software architecture
YouTube Content Creator
Talks and tutorials on programming and software development
Primarily looking for full-time remote roles right now. Occasionally open to select freelance projects and 1:1 mentoring.
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