Full-stack developer

Vikrant Kumar — Full-stack developer
Full-stack developer. Backend at heart.
I focus on APIs, databases and reliable systems, and build the interfaces that bring them to life.
VIKRANT KUMAR
I’m Vikrant Kumar, Founder of MiidayStudio and a backend-focused Full Stack Developer. I specialize in building fast, optimized web applications and fine-tuning databases for performance at scale.
Built from an idea.
Made to work.
- BCA student
- Manipal University Jaipur
- Mathura, India
Every detail matters — from the interface to what powers it.
02 / Selected work
IDEAS. BUILT.

Rizzoto
Offline-first restaurant POS
A restaurant POS that keeps billing, KOTs and the kitchen screen running even when the internet goes down.
Next.js / TypeScript / NestJS / PostgreSQL
Open-source issues and code battles platformOpenSourceHub
Open-source issues and code battles platform
A developer community for discovering open-source issues, chatting with contributors, and competing in fairly judged code battles.
Next.js / TypeScript / NestJS / Fastify
PostgreSQL-compatible database in GoNoVacDB
PostgreSQL-compatible database in Go
Under development
A PostgreSQL-compatible database built from scratch in Go that updates rows in place and keeps old versions in an undo log, so tables don't bloat and never need VACUUM.
Go / PostgreSQL wire protocol / B+Trees / Write-ahead log
Desktop SQL client for NoVacDB and PostgreSQLNoVacDB Studio
Desktop SQL client for NoVacDB and PostgreSQL
Under development
A lightweight Windows desktop SQL client for NoVacDB that also works with any PostgreSQL server.
Go / Wails / TypeScript / CodeMirror
Live classroom platform for teachersLyven
Live classroom platform for teachers
Under development
A live classroom platform where a teacher runs a shared whiteboard, polls and lecture slides for the whole class from one dashboard, and AI grades handwritten homework in the background.
React / Vite / Tailwind CSS / Framer Motion
Custom ecommerce store with RazorpayMiidayShop
Custom ecommerce store with Razorpay
A custom ecommerce platform for one brand, with its own storefront, admin panel and payments, so it doesn't have to rent a store from Shopify.
Next.js / React / TypeScript / NestJS
Internal CRM for MiidayStudioAgency CRM
Internal CRM for MiidayStudio
An internal CRM for a design-and-dev studio that turns inbox enquiries into a tracked pipeline, from lead to project to paid invoice.
React / TypeScript / Vite / Tailwind CSS
Movie metadata and streaming backendCutCrew
Movie metadata and streaming backend
Practice project · Not maintained
A movie and series streaming app that pulls IMDb details and playable links from dozens of sources and shows them in one place.
Node.js / Express / TypeScript / MongoDB
03 / The toolkit
WHAT POWERS THE BUILD.
The tools behind the interfaces, APIs and systems I build.
01 /Languages
- TypeScriptRizzoto · OpenSourceHub · NoVacDB Studio · MiidayShop · Agency CRM · CutCrew
- GoNoVacDB · NoVacDB Studio
- JavaScript
- SQL
More languages +
- PythonCutCrew
02 /Frontend
- ReactLyven · MiidayShop · Agency CRM · CutCrew
- Next.jsRizzoto · OpenSourceHub · MiidayShop
- ViteLyven · Agency CRM · CutCrew
- Tailwind CSSRizzoto · OpenSourceHub · Lyven · MiidayShop · Agency CRM · CutCrew
More frontend +
- ElectronRizzoto
- WailsNoVacDB Studio
03 /Backend & data
- NestJSRizzoto · OpenSourceHub · MiidayShop
- ExpressLyven · CutCrew
- PostgreSQLRizzoto · OpenSourceHub · MiidayShop
- PrismaRizzoto · OpenSourceHub · MiidayShop
- RedisOpenSourceHub · Lyven
- BullMQOpenSourceHub · Lyven
More backend & data +
- FastifyOpenSourceHub
- HonoAgency CRM
- FastAPICutCrew
- RazorpayMiidayShop
- Gemini APILyven
- MongoDBLyven · CutCrew
04 /Infra & tools
- Cloudflare WorkersOpenSourceHub · Agency CRM
- Cloudflare D1Agency CRM
- DockerLyven
More infra & tools +
- SupabaseOpenSourceHub
- PlaywrightRizzoto
- Git
DEEPER UNDER THE HOOD
Also familiar
Django / Flask / React Native / ScyllaDB / Elasticsearch
I know these, but haven’t shipped a project with them yet.
04 / Start a conversation
LET’S BUILD SOMETHING.
Open to internships & freelance work
Have an idea?
Let's make it work.
Have an internship, a freelance project or just a question about something I've built? Send me a message and I'll reply by email.
[email protected]Mathura, India