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Dishant Sahu

Software that moves real money, runs real interviews, and tracks 50,000 vehicles — live.

I'm a full-stack developer at 404Minds working on realtime fleet telematics, and the solo developer behind JŪMA (healthcare payments) and WittyByte (AI interview prep). TypeScript, Next.js, Go, PostgreSQL.

Selected work ↓ dishant.sahu07@gmail.com

01Selected Work

JŪMA

Solo Developer · Live — early access

A health wallet that pays providers upfront and helps patients save for the care they actually want. Stripe-backed payments, QR-code patient onboarding, generated PDF statements, invite-only early access.

Next.js · TypeScript · Prisma · PostgreSQL · Stripe · Better Auth · Supabase · Sentry · Resend

Visit JŪMA ↗ Private repository

WittyByte

Solo Developer · Live — subscription SaaS

AI-powered interview prep for ML engineers: voice interview simulations, a Monaco-based coding workspace, a curated question bank from top tech companies, and readiness scoring — sold as monthly subscriptions.

Next.js 14 · TypeScript · Prisma · Vercel Postgres · OpenAI · Retell · Clerk · Stripe · PostHog

Visit wittybyte.ai ↗ Private repository

Realtime fleet telematics

404Minds · Client work — under NDA

Production platform tracking 50,000+ vehicles live: gRPC/Protobuf microservices on ScyllaDB and PostgreSQL, Go ingestion consumers parsing GPS tracker protocols, Google Maps clustering dashboards, and geofence alerting with ~60s latency.

TypeScript · Go · React · gRPC / Protobuf · ScyllaDB · Redis · Docker · Ansible · Nginx

Open-source component ↗

Earlier work

  • AI Resume Generator OpenAI-assisted resume writing with PDF export — React, OpenAI API Live ↗ Code
  • Crypto Dashboard Live market data from CoinGecko, built to a Figma spec — React, Tailwind Live ↗ Code
  • YouTube Clone Debounced search, nested comments, live chat — React, Redux Live ↗ Code
  • E-commerce Storefront Responsive store with persistent cart and wishlist — React Live ↗ Code
  • 100x Microblogging Full-stack micro-social platform — React, Node.js, PostgreSQL, Supabase Live ↗ Code
  • Truecaller-style API REST API with auth, spam reporting, number search — Node, Express, Sequelize Code
  • i-meet Video Chat WebRTC rooms with in-call chat — Next.js, Socket.io, PeerJS Code
More on GitHub ↗

02Experience

404Minds Technologies

May 2024 — Present

Software Developer · Remote

  • Built gRPC/Protobuf microservices on ScyllaDB and PostgreSQL with horizontal partitioning, maintaining 100% uptime in production.
  • Developed a realtime fleet dashboard in React + TypeScript with Google Maps clustering, rendering 50,000+ vehicles live.
  • Automated geofence breach alerts on a 1-minute cron, holding notification latency to ~60 seconds; cut outage detection to 2 minutes with Uptime Kuma.

Independent products

Aug 2023 — Present

Solo Developer

End-to-end ownership of JŪMA and WittyByte — product, schema design, payments, auth, observability, and deployment.

03Skills

Languages

TypeScript, JavaScript, Go, SQL, Java, HTML/CSS

Backend

Node.js, Express, gRPC/Protobuf, WebSockets (Socket.io), REST APIs

Frontend

React, Next.js (App Router), Redux, Tailwind CSS, shadcn/ui (Radix), Vite

Databases

PostgreSQL, Prisma, ScyllaDB, Redis, MySQL, Supabase

Cloud & Infra

AWS (Amplify, RDS, S3), Vercel, Docker, Ansible, Nginx

Services & Tools

Stripe, Clerk, Better Auth, Sentry, PostHog, OpenAI API, Git, Postman, Figma

04Education

Veer Surendra Sai University of Technology

2019 — 2023

B.Tech — CGPA 8.37 · Sambalpur, India

Published research: hardware implementation of image encryption/decryption with Xilinx System Generator, validated on FPGA.

Vikash Residential School, Bargarh

2017 — 2019

CBSE Intermediate — 90.4% · Achiever's Award for AISSCE-XII & JEE 2019 (top percentile)

270+ coding problems solved across platforms

05Contact

Have something worth building?

dishant.sahu07@gmail.com