How do you keep a real-money wallet consistent under concurrent load?

Wallet operations run inside database transactions with row-level locking or serializable isolation, every credit and debit is idempotent so a retried request can never double-apply, and balances are backed by an append-only history so any figure can be audited. Concurrency bugs in wallets are the one class of defect a real-money platform cannot tolerate — the architecture has to make them impossible, not unlikely.

How do live odds and in-play updates reach players fast?

Odds are ingested from the provider feed, normalized, and fanned out over WebSockets, with pub/sub infrastructure so the system scales horizontally across server instances. On the client, caching keeps the interface responsive — the pattern behind Dollar365's live odds combines WebSocket updates with IndexedDB caching for offline support.

Can the payment stack survive a big event night?

That's the design target. Deposits and withdrawals go through queued, idempotent processing so retries and provider hiccups can't duplicate money movement, load is absorbed horizontally rather than by a single bottleneck, and reconciliation jobs verify that provider records and platform records agree — every day, not just when something looks wrong.

What about licensing and regulatory compliance?

Licensing sits between you and your regulator — I don't provide legal advice. What I build are the technical controls your compliance requirements specify: KYC integration points, geo-restriction, deposit and session limits, self-exclusion, and immutable audit logs that give your compliance team the evidence trail they need.

Do you build the back office too?

Yes. A betting platform is run from its back office: player account management, manual adjustment flows with dual-control and audit trails, limit configuration, and operational dashboards. It gets the same engineering standard as the player-facing product, because that's where mistakes are most expensive.

What does an iGaming build cost?

Most engagements start around $5K; smaller well-scoped work is considered case-by-case. Book a call or email me and you'll have a reply within 24 hours.

Service · iGaming

iGaming & Betting Platform Development

Real-money wallets. Live odds. Payments that hold up under load.

Betting platforms are real-time financial systems with an audience that notices every dropped update. I build the engineering core: real-money wallet systems with transactional integrity, live odds delivery over WebSockets, and payment processing designed for high throughput on peak event nights.

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55+

Projects Shipped

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Job Success

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The challenge

An odds feed that lags, a wallet that double-credits under concurrent requests, or a cashier that buckles during a big event will cost you players and regulator goodwill. iGaming engineering is about consistency under concurrency — transactional wallet operations, idempotent payment handling, and real-time infrastructure that stays up when traffic spikes.

What I build

Real-Money Wallet Systems

Transactional balance management with idempotent credits and debits and a full audit history

Odds Feed Integration

Ingest and normalize live odds from providers and push updates to players in real time

Live Betting Infrastructure

WebSocket delivery, bet placement flows, and settlement pipelines built for in-play speed

High-Throughput Payments

Deposit and withdrawal flows engineered for peak-event traffic, with reconciliation built in

Player Accounts & Back Office

Account management, limits, and the operational tooling your team runs the platform with

Compliance Tooling

KYC hooks, geo-restriction, self-exclusion, and audit logging built to your regulator's spec

Tech stack

TypeScriptAngularNode.jsExpressPostgreSQLWebSocketsIndexedDBRedisDocker

Relevant work

Dollar365 — Sports Betting Platform

Real-time sports betting platform with live odds, WebSocket updates, IndexedDB caching for offline support, and secure wallet management. Live platform — external link.

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Stake.us — Online Gaming Platform

High-traffic gaming platform with real-time WebSocket updates, IndexedDB for performance, and secure transaction processing. Live platform — external link.

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How we work

Most MVPs ship in 3–6 weeks; complex platforms are scoped individually once the requirements are clear.

Intro Call

A 30-minute conversation about your project, goals, and timeline. No commitment either way.

Scoped Proposal

A written scope, architecture outline, and quote. I respond to every message within 24 hours.

Weekly Demos

You see working software every week, with written progress updates in between. No black boxes.

Ship & Handover

Deployment, documentation, and a clean handover — you own everything I build.

Compliance & standards

KYC integration patternsGeo-restriction controlsResponsible gaming toolingImmutable audit logging

Frequently asked questions

Ready to start?

Book a free 30-minute call. No sales pitch — just a direct conversation about your project.

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Or email: contact@waseemahmad.dev