Joshua Basumatary, freelance developer for software, 3D assets and Roblox games

Hi, I’m

I’m a freelance software developer in Guwahati, Assam, with 3+ years of experience. Hire me to build your app or website, your 3D assets, or your Roblox game.

Hire me See my work

--:-- in GuwahatiTaking on freelance projects

Services

Pick one, or bring me something that needs all three. Each links to work I’ve already shipped.

Next.js, React Native, Node.js, PostgreSQL

Software

Websites, web apps and mobile apps, with the backend and database behind them.

See it shippedNowToolSpace, Resume Maker, WasteFlow

Tralalero Shark, one of the cars Joshua modelled for Ultimate Battle Cars

Blender, Three.js, glTF

3D assets

Game-ready models for Roblox, Three.js and the web: vehicles, arenas, props and pickups.

See it shippedThe twenty Battle Cars models

An Ultimate Battle Cars match in the Lava Factory arena

Roblox Studio, Luau, Rojo

Roblox games

A whole game, start to finish: gameplay scripted in Luau, the maps, the models and publishing it.

See it shippedUltimate Battle Cars, live on Roblox

Have something in mind?

Tell me what it is and roughly when you need it.

Start a project

Work

Four of them are live, so open them and look around. The other two are here as screens.

Live at nowtoolspace.com

Most of what happens here never leaves your browser

Visit nowtoolspace.com

NowToolSpace home page with the headline “Simple online tools for your images”, a Merge PDF preview and shortcuts to popular tools — nowtoolspace.com

On Google Play, 1K+ downloads

It never asks who you are

View on Google Play

Resume Maker home screen on Android with tools to build, import and browse resume templates, plus the ATS checker, cover letter, career guide and interview prep — From the Google Play listing, phone number on the sample blurred

Resume Maker ATS Checker screen asking for a resume and a target role before analysing — From the Google Play listing, phone number on the sample blurred

Built for NESFIC 2026, challenge I-10

Built to follow Guwahati’s waste from the street to wherever it ends up

The source is private. Ask me for a walkthrough

WasteFlow Assam operations dashboard: stops completed 26 of 40, delayed, missed and flagged counts, a progress bar, and a list of open incidents such as missed collections and a rainfall waste hotspot — Operations, on demo data

WasteFlow Assam command centre showing a street map of Guwahati with three ward boundaries, collection points coloured by status, routes and material flow lines between facilities — The map, on demo data

Frontend prototype

Which salesman walks which beat, and which shops are on it

Source on GitHub

FMCG distributor beat planning table listing beats in Chandmari and Kahanpara with their assigned retailer and salesman — Beat planning, with sample entries

Live on Snapchat, 2.18M people reached, 3.99M plays

Thirteen faces you can borrow for a selfie

See them on Snapchat

Smile Please lens icon — Thirteen published lenses, by Josh Jordan on Snapchat

Beautification lens icon — Thirteen published lenses, by Josh Jordan on Snapchat

Live on Roblox

Five minutes on the clock, and whatever comes out of the lucky block

Play on Roblox

Ultimate Battle Cars running in Roblox Studio: a kart drives past a glowing lucky block in the Lava Factory arena, with the Kart Battle timer, kill bar, nitro meter and a bullets pickup on screen — Lava Factory, a Studio test against bots

Ultimate Battle Cars lobby with arena voting for City, Lava Factory and Container Yard above a row of cars on display stands — The lobby, in Studio

The 3D models I made for it

All 20 of them: seven cars, three arenas, and the abilities and pickup crates from an earlier mode. Pick one, then drag to turn it.

Junkyard CarCar

Drag to turn

Cars (7)

Arenas (3)

Abilities (5)

Pickup crates (5)

Expertise

Grouped by layer, next to the projects where you’ll find each one running.

Languages
- TypeScript
- JavaScript
- SQL
- Luau
- HTML
- CSS
Shipped in NowToolSpace, Resume Maker, WasteFlow, FMCG, Battle Cars
Web
- React
- Next.js
- Astro
- Tailwind CSS
- Three.js
Shipped in NowToolSpace, WasteFlow, FMCG
Mobile
- React Native
- Expo
- EAS Update
- SQLite
Shipped in Resume Maker, WasteFlow, XamTech
Backend
- Node.js
- Express
- Fastify
- Hono
- REST API design
Shipped in NowToolSpace, WasteFlow, XamTech, XamMusic
Data
- PostgreSQL
- PostGIS
- Prisma
- Drizzle ORM
- Knex.js
- Redis
- MongoDB
- Firebase
Shipped in NowToolSpace, WasteFlow, XamMusic
Infrastructure
- Cloudflare Workers
- D1
- R2
- Containers
- AWS
- Google Cloud
- BullMQ
Shipped in NowToolSpace, WasteFlow, XamMusic
Payments
- RevenueCat
- Dodo Payments
- Razorpay
- UPI
Shipped in NowToolSpace, Resume Maker
Testing
- Vitest
- Playwright
- Integration tests on a real database
Shipped in NowToolSpace, WasteFlow
AI
- Gemini API
- OpenRouter
- RAG
- Model Context Protocol
- Claude Code
Shipped in NowToolSpace, Resume Maker, XamCampus AI

GitHub

404 contributions in the last year

Most of my product work is in private repositories, so what you see on github.com/josh8471 is the smaller part.

Each square is one day, brighter means more contributions

Public repositories: 24
On GitHub since: 2019

Open GitHub profile

Recently pushed public repositories

Contact

Got something to build? Write to me

Software, 3D assets or a Roblox game. Tell me what it is, roughly when you need it, and send a link or a sketch if you have one.

Email: basumatarijoshua@gmail.com
LinkedIn: Joshua Basumatary(opens in a new tab)
GitHub: josh8471(opens in a new tab)
Time zone: Guwahati, India Standard Time (UTC+5:30)

Joshua Basumatary

What I can build for you

Software

3D assets

Roblox games

Products I own

NowToolSpace

Resume Maker

WasteFlow Assam

FMCG Distributor Management

Snapchat Lenses

Ultimate Battle Cars

The 3D models I made for it

What I build with

Languages

Web

Mobile

Backend

Data

Infrastructure

Payments

Testing

AI

404 contributions in the last year

Recently pushed public repositories

Got something to build? Write to me