Jorge is available for hire
Hire JorgeJorge Luis Lopez Aguilar
Verified Expert in Engineering
Mobile Developer
Culiacán, Mexico
Toptal member since May 2, 2025
Bio
Jorge is a senior mobile engineer with 14+ years of experience specializing in iOS and React Native. He has led mobile teams and built scalable apps for companies like Univision, Coppel, and Gentera, including building a secure, cross-platform video player with digital rights management (DRM) and adaptive HLS used by millions. With a focus on clean architecture, performance, and innovation, Jorge has delivered impactful solutions across the finance, retail, legal, and government sectors.
Portfolio
Gentera
React Native, iOS, Android, Team Leadership, Leadership, Unit Testing...
Active Tek Corporation
iOS, Android, Swift, Kotlin/Native, React, C#.NET, Python, JavaScript...
3Pillar Global
iOS, Android, Figma, React, React Native, Code Review, GitLab CI/CD...
Experience
- iOS - 10 years
- React Native - 7 years
- Swift - 7 years
- Python - 5 years
- Node.js - 5 years
- Android - 5 years
- React - 5 years
- SwiftUI - 3 years
Availability
Part-time
Preferred Environment
MacOS, iOS, React, React Native, Swift, SwiftUI, Android, Node.js, Python, Microservices, Mobile App Development, PHP
The most amazing...
...thing I've built is a secure, cross-platform video player with DRM and adaptive HLS, used by millions at Univision.
Work Experience
Senior Mobile Developer | Tech Lead
2023 - PRESENT
Gentera
- Led the mobile architecture redesign for Gentera's main app, improving modularity and enabling parallel development across multiple teams.
- Integrated secure communication modules using certificate pinning and encrypted storage, aligning with Gentera's financial compliance requirements.
- Collaborated with back-end teams to implement GraphQL APIs, reducing app data load by 35% and improving performance in low-connectivity regions.
- Implemented feature flagging and remote config tools, enabling dynamic feature rollouts and reducing production incidents by 70%.
- Automated crash reporting and analytics using Firebase and Sentry, cutting issue resolution time by 40% and improving app stability KPIs.
Technologies: React Native, iOS, Android, Team Leadership, Leadership, Unit Testing, Code Review, GitLab, GitLab CI/CD, Google Cloud Platform (GCP), Swift, Kotlin, JavaScript, API Integration, Microservices, Technical Leadership, MongoDB, PostgreSQL, TypeScript, Online Payments, Mobile Development, Test-driven Development (TDD), ESLint, Front-end, APIs, MacOS, Mobile Apps, Databases, CSS, REST, Mobile App Development, GitHub, Google Maps, A/B Testing, Software Development, Firebase, Git, Redux
Senior Mobile Developer | Tech Lead
2021 - 2023
Active Tek Corporation
- Developed and deployed a case management mobile app used by Department of Homeland Security (DHS) field agents across NYC, reducing manual data entry time by over 50%.
- Integrated secure offline storage and biometric authentication, enabling agents to operate safely and efficiently in low-connectivity urban areas.
- Collaborated with cross-agency teams to streamline beneficiary intake workflows, cutting processing time from 30 minutes to under 10 minutes per case.
- Led the implementation of role-based access controls and audit logging, ensuring compliance with DHS/DSS data governance and security policies.
Technologies: iOS, Android, Swift, Kotlin/Native, React, C#.NET, Python, JavaScript, API Integration, Microservices, Technical Leadership, FastAPI, Combine, StoreKit, UIKit, Consumer-facing Products, Mobile Development, Test-driven Development (TDD), ESLint, Front-end, APIs, SwiftUI, MacOS, Mobile Apps, Back-end, SQL, HTML, CSS, Next.js, Mobile App Development, Full-stack, .NET, GitHub, A/B Testing, Subscriptions, Software Development, Firebase, Amazon Web Services (AWS), Git, Full-stack Development, GraphQL, Redux
Senior Software Engineer | Mobile Developer
2020 - 2021
3Pillar Global
- Built and optimized a custom video player with HTTP live streaming (HLS) support, integrating FairPlay on iOS and Widevine on Android, enabling secure DRM streaming to millions of users.
- Improved video start time by 35% and reduced buffering by 50% through adaptive bitrate tuning and performance profiling.
- Led the integration of audience measurement and ad-tracking SDKs such as Nielsen and Google Interactive Media Ads, ensuring accurate data collection across platforms.
- Collaborated with back-end teams to implement real-time analytics and content delivery strategies, scaling live event streams with zero downtime.
Technologies: iOS, Android, Figma, React, React Native, Code Review, GitLab CI/CD, Google Cloud Platform (GCP), Objective-C, Java, JavaScript, API Integration, Microservices, MongoDB, PostgreSQL, TypeScript, Online Payments, StoreKit, UIKit, Consumer-facing Products, Mobile Development, Test-driven Development (TDD), ESLint, Video Streaming, Front-end, APIs, MacOS, Mobile Apps, Databases, HTML, CSS, REST, AVFoundation, Mobile App Development, PHP, Full-stack, Video Processing, GitHub, Google Maps, A/B Testing, Subscriptions, Software Development, Firebase, Amazon Web Services (AWS), Git, Full-stack Development, GraphQL, Redux
Senior iOS Developer | Tech Lead
2017 - 2020
Coppel
- Led the development of Coppel’s first native eCommerce app, driving 500,000+ downloads and increasing mobile transactions by 120% in the first year.
- Built a modular architecture in Swift using MVVM and dependency injection, enabling faster feature delivery and better testability.
- Mentored and grew the iOS team from one to six developers, establishing coding standards, continuous integration practices, and a scalable development workflow.
- Integrated analytics, push notifications, and deep linking to boost user engagement and retention, increasing monthly active users by 35%.
Technologies: iOS, Objective-C, Model View ViewModel (MVVM), VIPER Architecture, Team Leadership, SDKs, JavaScript, API Integration, eCommerce, Microservices, Technical Leadership, FastAPI, MongoDB, PostgreSQL, TypeScript, RxSwift, Online Payments, StoreKit, UIKit, Consumer-facing Products, Mobile Development, Test-driven Development (TDD), Front-end, APIs, SwiftUI, MacOS, Mobile Apps, Back-end, SQL, Databases, HTML, CSS, REST, AVFoundation, Mobile App Development, PHP, Full-stack, HTML5, Expo, GitHub, Google Maps, A/B Testing, Subscriptions, Software Development, Firebase, Git, Redux
Senior Full-stack Developer | Lead | Owner
2012 - 2017
Techne Mobile Consulting
- Founded Techne to deliver end-to-end mobile and web solutions, leading 15+ successful projects across fintech, retail, and public sector clients.
- Delivered a government platform for managing citizen services in under three months, reducing administrative workload by 40%.
- Built and deployed cross-platform apps using React Native and native code, enabling clients to cut development costs by up to 60%.
Technologies: iOS, Android, Node.js, Python, C#, Visual Basic .NET (VB.NET), Java, Swift, Objective-C, Kotlin/Native, JavaScript, TypeScript, API Integration, Microservices, FastAPI, UIKit, Consumer-facing Products, Mobile Development, Test-driven Development (TDD), Front-end, APIs, MacOS, Mobile Apps, Back-end, SQL, Databases, HTML, CSS, REST, AVFoundation, Mobile App Development, PHP, Full-stack, HTML5, Video Processing, .NET, Stripe, Stripe API, Expo, GitHub, Google Maps, A/B Testing, Software Development, Git
Lead Developer
2011 - 2012
EHT Motor
- Developed a digital inventory and vehicle tracking system, reducing manual errors by 80% and improving operational visibility across dealerships.
- Designed and launched a client-facing mobile app for booking test drives and managing service appointments, increasing customer engagement by 145%.
- Integrated back-end systems with external financing APIs, streamlining credit application processes and cutting approval times from days to hours.
- Led digital transformation initiatives across sales and service departments, contributing to a 20% increase in monthly lead conversions.
- Implemented centralized dashboards and data tools that enabled real-time monitoring of KPIs across new franchise locations, supporting a threefold expansion in under 12 months.
Technologies: PHP 6, JavaScript, HTML5, iOS, On-board Diagnostics II (OBD-II), API Integration, Microservices, Consumer-facing Products, Front-end, MacOS, Back-end, SQL, Databases, HTML, CSS, PHP, Full-stack, GitHub, Software Development, Git
Junior Developer | Project Leader
2009 - 2011
Innova Web
- Developed an official iOS app for the Congreso del Estado de Sinaloa, providing real-time access to legislative sessions, news, and public resources.
- Designed and built an educational platform in .NET for the Museo Interactivo sobre las Adicciones (MIA), integrating interactive games to raise awareness about substance abuse.
- Created a suite of 3D educational games using Blender and Unity, enhancing visitor engagement and increasing average session time by over 70%.
- Delivered custom web and mobile solutions for government and cultural institutions, improving citizen interaction and educational outreach in Sinaloa.
Technologies: WordPress, PHP 6, JavaScript, iOS, Objective-C, Blender, Python, API Integration, Microservices, Consumer-facing Products, Back-end, SQL, Databases, HTML, PHP, HTML5, GitHub, Software Development, Git
Experience
ERP Newkontrol
https://www.newkontrol.mxA modular enterprise resource planning platform developed for the manufacturing and distribution industry.
I led the full-stack development of the system, which includes modules for billing, payroll, purchasing, and warehouse management. The back end was built in PHP and Core Python with an SQL Server database, while the front end was developed using Angular. I designed custom user roles and access control and integrated reporting tools for operational insights. The system enhanced administrative efficiency, improved traceability, and supported the company's rapid growth across multiple locations.
I also deployed the solution on a secure cloud environment, incorporating CI/CD pipelines and automated backups. As the lead architect, I worked closely with stakeholders to ensure scalability and compliance with internal auditing standards.
I led the full-stack development of the system, which includes modules for billing, payroll, purchasing, and warehouse management. The back end was built in PHP and Core Python with an SQL Server database, while the front end was developed using Angular. I designed custom user roles and access control and integrated reporting tools for operational insights. The system enhanced administrative efficiency, improved traceability, and supported the company's rapid growth across multiple locations.
I also deployed the solution on a secure cloud environment, incorporating CI/CD pipelines and automated backups. As the lead architect, I worked closely with stakeholders to ensure scalability and compliance with internal auditing standards.
App Grupo Premier
A native iOS application developed for one of Mexico's largest automotive dealership networks.
I led the app's mobile architecture and Swift-based implementation, enabling users to browse vehicles, schedule test drives, manage service appointments, and track purchase history. The app also integrates with multiple internal APIs for inventory, financing, and CRM systems, enabling seamless data flow between clients and dealership staff.
As the lead developer, I implemented biometric login, push notifications, and real-time status updates for service and sales events. I also collaborated with UX designers and back-end teams to ensure a smooth and responsive user experience, increasing mobile lead conversions by 30% within the first quarter after launch.
I led the app's mobile architecture and Swift-based implementation, enabling users to browse vehicles, schedule test drives, manage service appointments, and track purchase history. The app also integrates with multiple internal APIs for inventory, financing, and CRM systems, enabling seamless data flow between clients and dealership staff.
As the lead developer, I implemented biometric login, push notifications, and real-time status updates for service and sales events. I also collaborated with UX designers and back-end teams to ensure a smooth and responsive user experience, increasing mobile lead conversions by 30% within the first quarter after launch.
PSA Abogados App
A cross-platform mobile app built with React Native for the law firm Partida Soberanes y Asociados.
The app allows clients to securely track the progress of their legal cases in real time, view important deadlines, and receive updates from their attorneys. I led the full-stack development, integrating biometric login, push notifications, and custom APIs for legal case tracking and document management.
The UI was designed for simplicity and clarity, allowing users to navigate complex legal timelines easily. I also implemented secure data encryption and role-based access, ensuring compliance with legal confidentiality standards. The app improved client transparency and reduced administrative workload by over 40%.
The app allows clients to securely track the progress of their legal cases in real time, view important deadlines, and receive updates from their attorneys. I led the full-stack development, integrating biometric login, push notifications, and custom APIs for legal case tracking and document management.
The UI was designed for simplicity and clarity, allowing users to navigate complex legal timelines easily. I also implemented secure data encryption and role-based access, ensuring compliance with legal confidentiality standards. The app improved client transparency and reduced administrative workload by over 40%.
Education
2006 - 2011
Bachelor's Degree in Computer Science
National Institute of Technology of Mexico Culiacán Campus - Culiacán, Sinaloa, Mexico
Skills
Libraries/APIs
React, REST APIs, Google Maps, Node.js, RxSwift, PHP 6, Stripe, Stripe API
Tools
GitLab, GitLab CI/CD, Expo, GitHub, Git, Figma, Blender
Languages
Swift, Python, Objective-C, JavaScript, TypeScript, HTML5, HTML, CSS, PHP, Java, Kotlin, SQL, GraphQL, C#.NET, C#, Visual Basic .NET (VB.NET)
Frameworks
React Native, SwiftUI, StoreKit, UIKit, Redux, Combine, Next.js, Angular, .NET
Paradigms
Web Architecture, Unit Testing, Model View ViewModel (MVVM), VIPER Architecture, Agile, Microservices, Mobile Development, Test-driven Development (TDD), REST
Platforms
MacOS, iOS, Android, Mobile, Web, Firebase, Google Cloud Platform (GCP), Amazon Web Services (AWS), WordPress
Storage
MongoDB, Databases, PostgreSQL
Other
Mobile Apps, Software Engineering, Software Architecture, Team Leadership, Leadership, Code Review, Consulting, Push Notifications, API Integration, eCommerce, Inventory Management, Technical Leadership, FastAPI, Consumer-facing Products, Front-end, APIs, Back-end, Mobile App Development, Full-stack, A/B Testing, Software Development, Full-stack Development, Kotlin/Native, Online Payments, Video Streaming, AVFoundation, Video Processing, Subscriptions, SDKs, On-board Diagnostics II (OBD-II), Sales, Payroll & Benefits, Biometrics, ESLint
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