Case Study: Saving $3,456/year by Upgrading AWS RDS PostgreSQL
How a standard feature request led to an infrastructure audit that eliminated unnecessary AWS Extended Support fees through a PostgreSQL 16 migration.
Read ArticleHello, I'm
Building scalable backends, intuitive UIs, and high-performance systems — fueled by Code & Coffee.
Who I am
Full-stack developer with 5+ years building modern web apps across Japan and Central Asia. Passionate about clean architecture, performance, and developer experience.
Enthusiasm in every project, every line of code.
Great products need great teams working as one.
Clean, maintainable, scalable code — no shortcuts.
Always exploring better ways to solve hard problems.
My journey
Tech Lead at Quinque building high-quality web & mobile products. Focus on backend architecture, reliability, and engineering leadership.
Backend Developer & CI/CD Specialist focused on intuitive, accessible software at scale.
Developed responsive, user-friendly web apps using modern frameworks. Delivered high-quality code through cross-functional collaboration.
Led a team building 20+ educational tools, doubling student usage and making Algorithm a top coding learning center.
Employment support specialist for the Uzbek community in Japan — bridging culture, language, and professional integration.
What I've built
Projects that showcase real-world skills across the full stack.
Architected a zero-downtime migration from legacy PostgreSQL 13 to 16, eliminating $3,456/year in AWS Extended Support fees for a production environment.
Reduced monthly AWS expenditure by 30% through automated infrastructure scheduling, strategic instance tiering, and unused resource reclamation.
Technical leadership for Japanese market entry, overseeing product strategy, localization infrastructure, and multi-tenant system scalability.
Engineered a high-performance DevX infrastructure shifting cloud RDS dependencies to containerized local databases, cutting build latency by 60%.
Developed a standardized 'Session Handoff' protocol to maintain high-fidelity context between human and AI agents in large-scale codebases.
A full-stack blogging platform built with React and Firebase, featuring real-time updates, authentication, and content management.
A React application demonstrating advanced Redux state management patterns, including async actions and middleware integration.
A modern, responsive portfolio website built with Next.js, TypeScript, and Tailwind CSS, featuring dark mode and smooth animations.
A scalable REST API built with NestJS and Node.js, featuring authentication, WebSocket support, and MongoDB integration.
Activity
Want to see more of my work?
View All on GitHubDeep dives into backend architecture, AWS cost optimization, and technical leadership.
How a standard feature request led to an infrastructure audit that eliminated unnecessary AWS Extended Support fees through a PostgreSQL 16 migration.
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Read ArticleHow switching to local-first development and implementing resource scheduling saved 30% on monthly AWS costs while increasing dev velocity.
Read ArticleHave a project in mind or want to collaborate? I'd love to hear from you!
I'm always interested in new opportunities and exciting projects. Whether you have a question or just want to say hi, I'll try my best to get back to you!