Umer Nazir

Senior Software Engineer at Dubizzle Labs

Led development of a multi-tenant SaaS solution across Egypt, Saudi Arabia, and Oman, achieving a 30% increase in user engagement and a 50% reduction in load times. Architected and deployed a motor module with market-specific features, enhanced vehicle listings UI resulting in higher user satisfaction. Introduced Propfore mobile app for real estate inventories, lead management, and sales tracking across Android and iOS platforms. Mentored junior developers and enforced Agile methodologies.

Senior Software Developer at TKXELL LLC

Led cross-functional teams in developing scalable SaaS solutions from concept to deployment using Agile methodologies. Built Cafe Zupas Loyalty and Catering apps with order customization, loyalty program integration, Maps and geolocation features, and Stripe/digital wallet payment processing; achieved 5★ rating and 10k+ downloads on Play Store within 3 months. Developed Fasset fintech mobile app featuring secure crypto custody, real-time market data, and AML/KYC workflows. Implemented loyalty analytics, push notifications, and integrated Google/Apple Pay.

Junior Consultant at Systems Limited

Developed custom software solutions for government and utility sectors focusing on performance and scalability. Built Karachi Electric mobile solution for infrastructure modernization; launched an e-payments system reducing late payments by ~40%. Created Punjab Zameen – official Punjab Government app for land services and identity verification, serving 50k+ users digitally within 6 months. Implemented automated testing and managed project timelines with proactive issue resolution.

Freelance Mobile Developer at Contract Work / Remote

Delivered end-to-end mobile app development across multiple industries with ~50% average cost reduction via React Native migrations. Led development of L'invite AI-enabled social networking app, achieving ~25% increase in user retention and 50% growth in new user acquisitions. Rebuilt Smart AI Solutions and hobbyD apps from native to React Native, achieving ~60% cost reduction and 30% faster development, including real-time vehicle tracking and 2x faster barcode scanning. Engineered AI-backed Johani Home Assistant with damage detection, repair cost estimation, item detection, and smart property analytics tools.

Senior Software Engineer at Dubizzle Labs

Led development of a multi-tenant SaaS solution across Egypt, Saudi Arabia, and Oman markets, achieving a 30% increase in user engagement and a 50% reduction in app load times. Architected and deployed motor module with market-specific features, enhanced vehicle listing UI, and improved overall user experience.

Senior Software Developer at TK XELL LLC

Led cross-functional teams in developing scalable solutions from concept to deployment using Agile methodologies. Built Cafe Zupas Loyalty and Catering apps with order customization, loyalty program integration, maps, geolocation, and payment processing via Stripe and digital wallets. Achieved 5-star ratings and 10K+ downloads on the Play Store within the first 3 months of launch. Built 'L'invite' fintech mobile app in React Native featuring secure cryptocurrency trading, digital wallet management, real-time market data integration, and KYC/AML workflows. Implemented Braze for loyalty analytics and push notifications, integrated Google/Apple Pay payment systems. Mentored junior engineers and conducted comprehensive code reviews, optimizing system efficiency with focus on accessibility and scalability.

Junior Consultant at Systems Limited

Developed custom software solutions with focus on performance and scalability for government and utility sectors. Built Karachi Electric mobile solution for infrastructure modernization and upgraded service delivery.

Freelance Mobile Developer at Contract / Remote

Delivered end-to-end mobile application development services across multiple industries with approximately 50% average cost reduction through React Native migrations. Led development of L'invite AI-enabled social networking app achieving 25% increase in user retention and 50% growth in new user acquisitions. Rebuilt and published projects like Dubizzle Egypt Classifieds platform (iOS/Android) and contributed to other published apps.

Senior Software Engineer at Dubizzle Labs

Led development of a multi-tenant SaaS solution across Egypt, Saudi Arabia, and Oman; achieved a 30% increase in user engagement and a 50% reduction in app load times. Architected and deployed motors module with market-specific features and enhanced vehicle listing UI, resulting in a 20% boost in user satisfaction.

Senior Software Engineer at TKXELL LLC

Led cross-functional teams in developing scalable SaaS solutions from concept to deployment using agile methodology. Developed Cafe Zupas Loyalty and Catering apps with order customization, loyalty program integration, maps/geolocation, and payment processing through Stripe and wallet integrations.

Freelance Mobile Developer at Contract Work (Remote)

Delivered end-to-end mobile app development services across multiple industries with an average 50% cost reduction through React Native migrations.

Senior Software Engineer at Systems Limited

Developed custom software for government and utility sectors; built Karachi Electric mobile solutions for infrastructure modernization and upgraded service delivery. Launched an e-payments system reducing late payments by ~40%. Created Punjab Zameen – the Punjab Govt's official app for land services, identity verification, and transaction tracking; served 50K+ users digitally within six months, reducing on-site visits.

Senior Software Engineer at Dubizzle Labs

Led the development of a multi-tenant SaaS solution across Egypt, Saudi Arabia, and Oman markets, achieving 30% higher user engagement and 50% faster app load times. Architected and deployed market-specific features and enhanced vehicle listing UI. Designed a comprehensive mobile inspections tool for insurance and asset management, boosting reliability and user trust. Introduced PropForce mobile app for real estate inventories, lead management, and sales tracking across Android and iOS platforms.

Senior Software Developer at TKXELL LLC

Led cross-functional teams in developing scalable SaaS solutions from concept to deployment using Agile methodologies. Built Cafe Zupas Loyalty & Catering iOS/Android apps with order customization, loyalty program integration, maps, geolocations, and payment processing via Stripe and digital wallets. Implemented a Flutter fintech mobile app in React Native featuring secure currency trading, digital wallet management, real-time market data, and KYC/AML workflows. Implemented Braze for loyalty analytics and push notifications; integrated Google/Apple Pay. Led the development of L'invit é AI-enabled social networking app, achieving 25% retention increase and 50% growth in new user acquisitions. Mentored junior engineers and conducted comprehensive code reviews to improve accessibility and scalability.

Junior Consultant at Systems Limited

Developed custom software solutions with a focus on performance and scalability for government and utility sectors. Built Karachi Electric mobile solution for infrastructure modernization and upgraded service delivery. Launched an e-payments system that lowered late payments by nearly 40%.

Freelance Mobile Developer at Contract Work (Remote)

Delivered end-to-end mobile application development services across multiple industries with ~50% average cost reduction through React Native migrations. Mentored junior engineers and enforced Agile practices.

Senior Software Engineer at Dubizzle Labs

Led development of a multi-tenant SaaS solution across Egypt, Saudi Arabia, and Oman markets; architected and deployed modules that improved user engagement and performance, including a motors module and vehicle-inspection tooling; introduced PropForce mobile app for real estate inventories, lead management, and cross-platform support. Mentored engineers and emphasized accessibility and scalability.

Senior Software Developer at TKXELL LLC

Led cross-functional teams in developing scalable SaaS solutions from concept to deployment using agile methodologies. Built Cafe Zupas Loyalty and Catering apps with order customization, loyalty integration, maps/geolocation, and Stripe/digital wallet payments. Achieved a 5-star rating and 10K+ downloads on the Play Store within three months of launch. Built a fintech mobile app in React Native featuring secure cryptocurrency trading, digital wallet management, real-time market data, and KYC/AML workflows. Implemented Braze for loyalty analytics and push notifications; integrated Google/Apple Pay.

Junior Consultant at Systems Limited

Developed custom software solutions for government and utility sectors. Built Karachi Electric mobile solution for infrastructure modernization and upgraded service delivery. Launched Punjab Zameen – Punjab Government's official app for land services, identity verification, and transaction tracking. Digital adoption: served 50K+ users within six months, reducing on-site visits and saving time for staff and users. Implemented automated testing for higher code quality and managed project timelines with prompt issue resolution.

Freelance Mobile Developer at Freelance

Contract work delivering end-to-end mobile application development across multiple industries with an average 50% cost reduction via React Native migrations. Led development of L'invit AI-enabled social networking app achieving 25% increase in user retention and 50% growth in new user acquisitions. Rebuilt Smart AI Solutions and HobbyDB apps from native to React Native, achieving 60% cost reduction and 30% faster development, with features such as real-time vehicle tracking and 2x faster barcode scanning. Engineered AI-backed Johani Home Assistant with damage detection, repair-cost estimation, item detection, and smart property analysis tools for homeowners.

Senior Software Engineer at Dubizzle Labs

Led development of a multi-tenant SaaS solution across Egypt, Saudi Arabia, and Oman, achieving a 30% increase in user engagement and a 50% reduction in app load times. Architected and deployed market-specific features, enhanced vehicle listing UI, and introduced real-time data flows to improve user satisfaction by ~20%. Introduced real-estate inventory, lead management, and sales tracking features across Android and iOS platforms. Mentored junior developers and promoted Agile best practices.

Senior Software Developer at TKXELL LLC

Led cross-functional teams in developing scalable SaaS solutions from concept to deployment using Agile methodologies. Built Cafe Zupas Loyalty and Catering apps with order customization, loyalty program integration, Maps/geolocation, and Stripe/digital wallet payments, achieving a 5-star rating and 10K+ downloads on the Play Store within 3 months. Developed L'invit é AI-enabled social networking app and a fintech mobile app with real-time market data, KYC/AML workflows, and Braze loyalty analytics; integrated Google/Apple Pay payments. Mentored junior engineers and conducted comprehensive code reviews to improve accessibility and scalability.

Junior Consultant at Systems Limited

Developed custom software for government and utility sectors with focus on performance and scalability. Built Karachi Electric mobile solution for infrastructure modernization and upgraded service delivery; launched Punjab Zameen – Punjab Government’s official app for land services, identity verification, and transaction tracking; served 50K+ users digitally within 6 months, reducing on-site visits. Implemented automated testing and managed project timelines with prompt issue resolution.