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Full Stack Developer — Giridih, IN Available · IST

I build softwarethat runs realbusinesses.

I'm Amit Kumar Verma — a full-stack developer. I build the APIs, databases and payment systems businesses run on, and the web and mobile apps on top — a fintech super-app with 9,000+ users, an Ayurveda healthcare platform, a juice brand's ordering and rewards system, and a restaurant POS. All live in production.

What brings you here?

See the workGet in touch
admin.visiondreams
VDS Pay admin dashboard
VDS Pay home — quick transfers, recharges and bills
VDS Pay · live on Google Play

Screens shown with sample data.

  • 4 client products live in production
  • 9,000+ users on VDS Pay
  • ₹1 Cr+ in EMI payments collected
  • PostGIS therapist matching
  • Video consultations on Agora
  • 5×5 rewards matrix
  • Idempotent wallet ledgers
  • Restaurant POS in daily use
  • Web · Mobile · Backend · Deploy

Selected work · 04

In production, with real users.

All projects
02 / 04 — AMARAM Kottakkal Ayurveda Live · ongoing

AMARAM

Ayurveda at home: therapist matching, video consultations and prescriptions — one app for patients, therapists and doctors.

PostGIS therapist-matching radius
10 km
PostGIS therapist-matching radius
Roles in one app — patient, therapist, doctor
3
Roles in one app — patient, therapist, doctor
PostgreSQL tables
56
PostgreSQL tables
Lines of TypeScript, 3 apps
~170k
Lines of TypeScript, 3 apps
Read the case study
10 kmbidbidpatient

home session

  1. Assigned
  2. En route
  3. Arrived
  4. OTP verified
  5. In progress
  6. Completed
Video consult · presence lease active
03 / 04 — Canten Live · ongoing

Canten

Online ordering, outlet POS and a 5×5 rewards matrix for a fresh sugarcane & coconut juice brand.

Breadth-first rewards matrix
5×5
Breadth-first rewards matrix
Backend domain modules
22
Backend domain modules
Test suites — MLM, wallet, payments
28+
Test suites — MLM, wallet, payments
Real-time WebSocket gateways
8
Real-time WebSocket gateways
Read the case study
L2L1purchase5 × 5 · breadth-first · auto-placed at signup

income_ledger · append-only

  • purchasercredited
  • level 1credited
  • level 2credited
  • replayed eventignored

What I build

From the counter to the cloud.

Not just screens — the whole system, from the counter tablet to the payment webhook. Go ahead, ring up a bill.

Annapurna

Counter · Demo

Current bill

  • Masala Dosa1₹80.00
  • Masala Chai2₹40.00
Subtotal
₹120.00
GST 5%
₹6.00
Total
₹126.00

Mobile apps that run the shop floor

A playable slice of Annapurna POS — tap items, adjust the bill, print the receipt. The real one adds Bluetooth thermal printing and daily reports.

wallet_ledger · append-onlybalance ≥ 0
  • emi_commission · L1+ credit
  • recharge_commission · L3+ credit
  • wallet_purchase− debit
  • withdrawal · reservedhold
  • webhook retry · same keyignored

idempotency key · row lock · amount fixed at creation

Systems that move real money

Wallets, commissions and payouts across VDS Pay, Canten and AMARAM — append-only ledgers, idempotency keys and row locks, so a retried webhook never pays twice.

Location-aware matching

PostGIS radius search and bidding for AMARAM's at-home therapists.

Admin dashboards

Panels businesses run on — 110+ screens in VDS Pay alone.

POST /payments/webhook
→ verify signature (raw body)
→ lock payment · compare-and-set
→ settle once → ledger
✓ 200 OK

APIs & integrations

Express & NestJS, Razorpay, BBPS, Agora, S3/R2.

  • Play Store releases
  • VPS · Nginx · HTTPS
  • Docker Compose deploys
  • Runbooks & fixes after launch

Shipped, then supported

Store releases, servers, deploys and the fixes after.

Made for you

You bring the business problem. I'll ship the software — and stay after launch.

01Backends & integrationsAPIs, data models and business logic — payments, wallets, commissions, bill payments and third-party APIs, built to stay correct when real money moves.02Web apps & admin panelsDashboards and internal tools your team runs the business from — fast, clear and built to grow.03Mobile appsAndroid and iOS apps with React Native and Expo — wallets, POS, booking and field apps, including hardware like Bluetooth printers.04Business websitesFast, bilingual-ready websites for local businesses — with WhatsApp booking, dark/light mode and SEO done right.
  1. 1Understand
  2. 2Plan
  3. 3Build
  4. 4Launch
  5. 5Support
Scope your projectTalk first

Kind words

Testimonials

01 / 04
“Amit built our entire MLM platform from scratch — 18-level commission structure, EMI purchases, e-commerce, and Inspay utility payments all in one. Complex requirements, delivered cleanly. The app is live on the Play Store with real users and running.”
VVenkateshClient, Vision Dreams

Open to full-time roles & select freelance projects

Let's build something that runs.

Email

Local time

Giridih, IN · IST

Replies within 24 hours on weekdays

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