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Ideas, Engineered Into Reality

Four product case studies, plus an AI-assisted QA case study that is still in progress. The drawings are studies of the idea, not captured product screens.

RIDES.study

Interface study of the trip, not a product screenshot.

Live

Shared mobility

A carpooling product for Assam, with a passenger app, a partner app for drivers, and a Next.js site for marketing and passenger booking.

Problem: A listed trip, a passenger request, and an Instant ride are different agreements. The web product should not pretend to host the driver tools.
Contribution: Frontend work across the two Expo apps, the shared mobile library, and the Next.js passenger site.
Stack: Expo
React Native
Next.js
Redux Toolkit
Client technologies. The case study separates them from the API and from payments, maps, and push.

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PHARMA.study

A study of the counter flow, not a product screenshot.

Live

Pharma Enterprise

A pharmacy operations console for counter billing, batch inventory, prescriptions, and staff permissions.

Problem: The counter sells a batch with an expiry and a quantity, not only a medicine name. Each role needs a different workspace.
Contribution: I built the client and the API myself: billing, inventory, clinical screens, and the permission model.
Stack: React
Redux Toolkit
Vite
Express
MongoDB
I built the client and the API. Billing summaries come from that API.

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ZARIYA.study

A study of the credit path, not a product screenshot.

Live

Zariya

Membership and credit software for a cooperative, with a public application and a staff desk for loans, collections, and closure.

Problem: Installments, holidays, and missed days are different states. Staff powers differ for disbursement, downloads, and closure.
Contribution: I built the client and the API myself: membership, the staff loan desk, and the repayment rules.
Stack: React
Redux Toolkit
Vite
Express
MongoDB
I built the client and the API. Schedule and credit calculations stay on the server.

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CONTRACTOR.study

A study of the job structure, not a product screenshot.

Live

Contractor Management

Construction operations software for projects, site cost, labour, challans, and profit-and-loss reporting.

Problem: Materials, wages, challans, and receipts have to agree about money before a job's cost means anything.
Contribution: I built the client and the API myself: projects, labour, challans, and reporting.
Stack: React
TypeScript
TanStack Query
Express
MongoDB
I built the client and the API. Money and permissions are shared between them.

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QA_AGENT.trace

A study of the investigation path, not a captured test run.

In progress

AI-assisted QA agent

An in-progress quality engineering agent for browser evidence, contextual failure analysis, deterministic verification, and conditional code investigation.

Problem: A failed request is not always a defect, and a page that loads is not proof the feature worked. The first target UI runs inside an iframe.
Contribution: I built this agent myself: collect redacted browser evidence, classify it, verify a suspicion, and investigate code only when the evidence warrants it.
Status: In progress. Automated Jira creation stays disabled, so a person still decides what becomes a defect report.
Stack: OpenAI APIs
LangChain
LangGraph
LangSmith
OpenAI APIs are used for analysis. LangChain, LangGraph, and LangSmith are the agent tooling around that workflow.

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