Multi-Platform Mobile Application Engineering in United Kingdom
Deliver cohesive mobile software across iOS and Android without paying double agency fees. Mr Umer Malik builds compiled Flutter and React Native applications for British enterprises and scale-ups—contracted strictly outside IR35 under English Law.
Core Capabilities & Production Deliverables
Direct architectural execution by senior engineer Mr Umer Malik with zero agency dilution.
Single-Codebase Efficiency for UK SMEs
Deploying unified Flutter or React Native codebases that run identically on British consumers' iPhones and Android devices.
UK Banking Rails & Digital Checkout
Integrating Stripe GBP, Apple Pay, Google Pay, and Open Banking APIs for instantaneous checkout without platform markups.
UK GDPR Compliant Local Caching
End-to-end encrypted local databases (Hive/SQLite) keeping personal information secure on British user devices.
Enterprise API & ERP Bridges
Connecting mobile frontends to AWS London (eu-west-2) backends, Xero accounting, and proprietary corporate databases.
Rapid Prototyping & Sprint Demos
Weekly TestFlight releases allowing UK commercial directors to review working software directly during business hours.
Outside-IR35 Commercial Terms
Fixed milestone delivery in GBP (£) with guaranteed delivery dates and full IP assignment under English Law.
Why British Businesses Choose Multi-Platform
Achieve complete UK market coverage on iOS and Android with a streamlined budget.
UK Business Hours Collaboration
Direct Slack, Teams, and phone access with senior engineer Mr Umer Malik throughout UK working hours.
100% Outside-IR35 Compliance
Fixed milestone delivery in GBP (£) with guaranteed delivery dates and full IP assignment under English Law.
Halve Long-Term Maintenance Costs
One codebase means bug fixes and new features deploy once, saving thousands annually in contractor fees.
Direct Senior Developer Access
Work directly with the engineer building your mobile software with zero agency overhead.
Phased Delivery Roadmap & How This Project Runs
Structured from initial discovery call to production deployment and 100% intellectual property transfer.
Phase 01: Technical Scoping & Design Alignment
Agreeing on cross-platform stack, user journeys, and fixed pricing milestones in GBP (£).
Phase 02: Prototype Build on UK Staging
Developing core navigation, biometric auth, and distributing weekly builds via TestFlight.
Phase 03: Feature Sprints & UK Gateway Integration
Engineering business features, offline synchronization, and UK payment integration.
Phase 04: Dual Store Submission & UK Code Transfer
Submitting production builds to iOS and Android review queues, transferring private repository ownership, and initiating post-launch UK warranty.
Commercial FAQs for British Businesses
Clear answers on UK business hours alignment, fixed stage pricing in GBP (£), and outside-IR35 contracting.
Can cross-platform apps meet strict UK enterprise security standards? ▼
How do you distribute test versions to our UK team? ▼
Can cross-platform apps integrate with UK payment gateways? ▼
Are cross-platform projects contracted outside of IR35? ▼
What warranty is included after app store launch? ▼
Who owns the source code and developer accounts? ▼
Great dreams deserve craftsmanship, not compromises. Let’s build yours.
© 2026 UMER XPERT. SERVING THE UNITED KINGDOM — LONDON TO EDINBURGH. All rights reserved. Contracts compliant with English Law & outside IR35.