React Native Development Projects in JaipurReact Native Development Projects in Jaipur
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Cover image for Title: Cognitome — Gamified Cognitive
Title: Cognitome — Gamified Cognitive Assessment Platform Description: A web platform that delivers validated psychology experiments as playable browser tests, built for a research and assessment client based in Dubai. It implements eight standard cognitive paradigms — Stroop, Numerical Stroop, Flanker, Corsi Block, Attentional Blink, the Attention Network Test, the Implicit Association Test, and the Wisconsin Card Sorting Task. Each one runs as a guided flow: instructions, a worked demo, a practice round, then the timed run, ending in a results breakdown. Every trial produces a metrics record, and effect scores are computed from those rather than from summary averages, so the output is analysable rather than just a number on a screen. Administrators pick which experiments a participant should take, set an expiry, and the system generates an access-coded link. Participants open the link and begin — no account, no signup — and results are captured and stored on completion. That mattered because research participants abandon anything that asks them to register before they've seen the task. The genuinely hard part was timing. These paradigms measure differences in reaction time that are often only tens of milliseconds wide, and a browser is a hostile environment for that — variable frame rates, input latency, background tab throttling. Getting stimulus presentation and response capture accurate enough for the effect sizes to mean anything drove most of the frontend architecture. Any of these tests is easy to build badly and the result looks identical until you check whether the numbers replicate known findings. React 19 with Vite and Tailwind on the frontend, Node.js and MongoDB behind it for session generation, access control and result storage.
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Cover image for Title: KYAT Gold — Digital
Title: KYAT Gold — Digital Gold Savings & Chit Fund Platform Description: A production fintech platform for a gold trading business, built end to end — customer mobile apps plus the admin console that runs the operation behind them. The product covers three revenue lines that most gold businesses run separately. Customers buy digital gold and silver as a SIP at live MCX rates, with holdings kept in a vault ledger. They join traditional chit groups with monthly installment collection and scheduled draws. And branch staff can transact over the counter on a customer's behalf through an OTC desk, with custom price override for negotiated rates. The admin console is where the real complexity sits. Operators get one view of daily collections, overdue exposure, autopay success rate and payout queue, alongside time-series collection analytics and per-group draw progress. Because these are savings schemes members have to trust, monthly winner selection runs on SHA-256 seed verification with a downloadable audit trail — the draw is provably fair rather than something the operator can quietly influence. The hardest part wasn't any single screen. It was reconciliation: gold prices move continuously, chit installments arrive irregularly, payouts are scheduled monthly, and every one of those has to stay consistent against a vault ledger that regulators and members can both audit. Getting that right shaped most of the backend design. Mobile apps in Flutter for iOS and Android, PayU handling payment collection, and a Node.js backend managing ledgers, vault accounting, autopay retries and scheduled payouts.
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