Muhammad Abubakar Siddique β Co-Founder
I built a multi-terminal Android POS system that ran on 100+ devices and processed over $1.5M AUD in 10 days. That's not a side project. That's production-grade, high-stakes engineering β offline-first architecture, Stripe Terminal, RFID integration, real-time sync across 100 devices, zero tolerance for failure. That's the standard I bring to every engagement. What I do: I'm a Senior Fintech & Mobile Engineer with 8+ years building scalable Android, iOS, and cross-platform applications for startups and enterprises across the US, EU, and UAE. I specialize in the hard problems β payment systems, hardware integrations, offline-first architectures, and high-performance mobile at scale. I'm a vetted member of Toptal (top 3% globally) and founder of Blenzo.io, a mobile & fintech development studio. I also integrate AI tooling throughout my engineering workflow β from architecture planning to code generation and testing β which consistently accelerates delivery without cutting corners on quality. Where I've built: π¦ Fintech & Payments β Stripe Terminal, Tap-to-Pay, POS systems, offline transactions π± Mobile β Android (Kotlin/Java), iOS (Swift), React Native, Kotlin Multiplatform βοΈ Backend β Node.js, NestJS, REST APIs, Firebase π Hardware β RFID, BLE, serial/UART, kiosk & scanner integrations ποΈ Architecture β MVVM, modular systems, CI/CD, offline-first sync Industries I know deeply: Fintech Β· POS & Kiosk Β· Event Platforms Β· IoT & Access Control Β· E-commerce Β· Travel & Loyalty π Coding competition winner β Geek Coding 2k17 (1st), Funky Apps 2k17 (1st), Speed Programming 2k16 (2nd) Working with me: I think in systems, not isolated features. I care about business outcomes, not just clean code. I've worked with global clients remotely across time zones and consistently deliver under tight deadlines. If you're building something in fintech, payments, or complex mobile β or you need a senior engineer who ships fast with AI-augmented workflows β let's talk. π© abubakar@blenzo.io π www.blenzo.io
Stackforce AI infers this person is a Fintech and Mobile Engineering expert with a focus on high-performance systems.
Location: Lahore, Punjab, Pakistan
Experience: 7 yrs 8 mos
Skills
- Fintech
- Mobile Engineering
- Cross-platform Development
- Event Platforms
- Backend Development
- Team Management
- Security Systems
- Application Development
Career Highlights
- Built a multi-terminal Android POS system processing $1.5M AUD in 10 days.
- Vetted member of Toptal, top 3% globally.
- Expert in offline-first architectures and payment systems.
Work Experience
Toptal
Senior Mobile Engineer β Android Β· iOS Β· React Native Β· KMM β Journey (9 mos)
Android Integration Engineer β Fintech POS Platform β Sendrato Australia PTY LTD (2 mos)
Senior Fintech & Mobile Engineer β Android Β· iOS Β· React Native Β· KMM (4 yrs 8 mos)
Blenzo.io
Co-founder & Lead Engineer (1 yr 1 mo)
Evento Solutions LLC
Senior Mobile Engineer β Event Platforms & Enterprise Apps (1 yr 7 mos)
Enjoy Deals Marketing Ltd
Mobile Team Lead β Android Β· iOS Β· Node.js (7 mos)
E2E Solution Providers
Mobile Team Lead β Enterprise & Consumer Applications (1 yr 9 mos)
Halim Sol
Mobile Application Developer (1 yr 6 mos)
Black Storm Technologies
Mobile Application Developer β Android Β· Multi-domain Consumer Apps (1 yr)
Lead Dev's
Android Developer β Internship (10 mos)
Education
Bachelor of Science (BS) at The University of Lahore