Contact person: Gold Trading App Maintenance

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Location: Delhi, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I manage a live gold-trading platform available on both iOS and Android, and I need a reliable and reasonable mobile developer to handle ongoing, month-to-month maintenance. Because the app already relies on payment gateways, you’ll also make sure figures remain accurate before and after each transaction.

At present, payment processing is the only integration in place, but I expect to add SMS notifications and third-party market data feeds soon, so experience with Twilio, REST or GraphQL APIs, and real-time socket streaming will be valuable.

Monthly deliverables
• Resolve all reported data-display issues on both platforms
• Perform a code review and clear out any new bugs or crashes
• Implement small enhancements or additional integrations we agree on at the start of each cycle
• Provide a concise changelog and submit updated builds to the App Store and Google Play

Acceptance criteria
• No data mismatches on price or portfolio screens during a full trading-day QA pass
• Zero critical or high-priority crashes in Firebase/Crashlytics
• Store submissions approved on the first attempt
If you’ve maintained production-grade fintech or trading apps and can commit to a dependable monthly schedule, I’d like to hear how you can help keep this platform running flawlessly." (client-provided description)