Andres is available for hire
Hire AndresAndres Michel
Verified Expert in Engineering
Front-end Developer
Toronto, ON, Canada
Toptal member since March 16, 2022
Bio
Andres is an experienced staff software engineer skilled in web and mobile application development. He's led successful projects at high-growth startups and global enterprises, driving revenue and optimizing operations. Andres is proficient in the entire software development lifecycle, delivering impactful solutions and solving complex challenges.
Portfolio
Frontier AI Lab
Artificial Intelligence (AI), Systems Engineering
Sage AI Labs
React Native, TypeScript, Node.js, Prisma, PostgreSQL, Expo, E2E Testing, Jest...
Warner Bros. Discovery
React Native, TypeScript, Jenkins, Amazon Web Services (AWS), Docker, Swift...
Experience
- React - 10 years
- JavaScript - 9 years
- Node.js - 9 years
- React Native - 8 years
- Git - 8 years
- TypeScript - 6 years
- Mobile Apps - 6 years
- Web Development - 6 years
Preferred Environment
React, React Native, TypeScript
The most amazing...
...achievement I'm proud of is implementing the real-time US presidential election tracking feature for CNN.
Work Experience
Staff Software Engineer
2025 - 2026
Frontier AI Lab
- Designed, developed, and maintained full-stack web applications.
- Implemented APIs and ensured type-safe, end-to-end communication across services.
- Containerized and deployed applications, ensuring smooth CI/CD pipelines.
- Collaborated with designers and other engineers to ship high-performance, scalable features quickly.
Technologies: Artificial Intelligence (AI), Systems Engineering
Mobile Team Lead
2025 - 2026
Sage AI Labs
- Collaborated directly with the founder of Waymo to translate the core product vision into a scalable technical architecture and production-ready mobile solution.
- Architected and developed a cross-platform mobile application from scratch using React Native, enabling users to discover and purchase clothing deals from multiple brands directly within the app.
- Integrated AI-driven personalization and user tracking to deliver tailored deals based on individual behavior, optimizing content discovery, and enhancing user engagement.
- Established automated CI/CD pipelines for both iOS and Android, including a comprehensive end-to-end (E2E) testing suite to ensure high application reliability and streamlined releases.
- Engineered a unified checkout experience that integrated multiple brand catalogs, allowing for direct in-app transactions and improving overall conversion rates.
Technologies: React Native, TypeScript, Node.js, Prisma, PostgreSQL, Expo, E2E Testing, Jest, Technical Leadership, Software Architecture, Payment Gateways, Native Mobile Apps, Leadership, AI Tools, Claude Code, Cursor AI, Payments, AI Automation, Artificial Intelligence (AI), Stripe API, Payment Processing, AI Integration, Full-stack Development, Team Leadership, OAuth 2, Stripe Connect, Application State Management, Push Notifications, Google Maps API, Solution Architecture, Communication, Large Language Models (LLMs), UI Components, React, Lottie, React Native for Web, RESTFul APIs, NestJS, Git, Data Analytics, Systems Engineering, Content Delivery Networks (CDN)
Senior Software Engineer
2020 - 2025
Warner Bros. Discovery
- Designed and developed a real-time election tracking feature, enhancing user engagement by providing live, interactive updates during the US presidential elections.
- Developed a new screen allowing users to access selected video clips without an account, increasing content reach and boosting ad revenue by attracting a broader audience.
- Implemented a feature enabling users to resume content from where they left off, enhancing the overall viewing experience and increasing user engagement across devices.
- Improved the podcast section by adding deep link support and transitioning to a native player, resulting in a more seamless and engaging user experience.
- Engineered a fallback mechanism to automatically resume video playback after errors, improving user experience and contributing to longer watch times and increased revenue.
- Worked with the ML team to integrate A/B testing for the "Watch Next" section, optimizing content recommendations and enhancing user satisfaction.
- Streamlined the deployment process by automating app releases with CI/CD pipelines, reducing release times and improving development efficiency.
- Provided guidance and support to junior developers, sharing best practices, conducting code reviews, and helping them grow their technical skills and confidence.
Technologies: React Native, TypeScript, Jenkins, Amazon Web Services (AWS), Docker, Swift, Mobile Apps, UI Animation, User Experience (UX), User Interface (UI), iOS, Video Streaming, Over-the-top Content (OTT), Fire TV, Apple TV, Mobile Development, Third-party APIs, Sentry, Android, Node.js, Cross-platform App Development, Mobile App Development, Smart TV, Amazon Fire TV, Android TV, Webpack, Large-scale Projects, Pixel Perfect, Figma, Kotlin, Coroutines, Jetpack Compose, RxJava, Android SDK, CI/CD Pipelines, SDK Development, SDKs, Software Development Toolkits (SDK), REST APIs, Automated Testing, APIs, Java, Streaming, Scalability, Business to Consumer (B2C), Large-scale Distributed Systems, Amazon S3 (AWS S3), Serverless, Authentication, AVFoundation, Algorithms, Data Structures, Digital Product Development, App Store, React Query, Google Play Store, SwiftUI, iOS SDK, Architecture, Minimum Viable Product (MVP), WebView, Firebase, Web Security, React, Canvas, Mobile, API Integration, Front-end, Babel, Software Architecture, Native Mobile Apps, AI Integration, Videos, Full-stack Development, Analytics, Application State Management, Solution Architecture, Communication, Video Processing, Storybook, UI Components, HTML Canvas, Lottie, WebGL, RESTFul APIs, Git, Data Analytics, Systems Engineering, Content Delivery Networks (CDN)
Senior Software Engineer
2020 - 2021
Scalable Press
- Developed and integrated a feature for importing orders from various external eCommerce platforms, significantly increasing order volume and revenue by streamlining the order processing workflow and expanding our market reach.
- Designed and implemented a system to automatically replace out-of-stock products with suitable alternatives, which minimized the number of orders placed on hold and improved overall fulfillment efficiency and customer satisfaction.
- Created and deployed comprehensive monitoring and alerting systems, which effectively reduced the frequency of critical incidents and enhanced response times, ensuring a more stable and reliable application performance.
Technologies: TypeScript, Redis, MongoDB, Grafana, Prometheus, Docker, React, User Experience (UX), User Interface (UI), Full-stack, Third-party APIs, Sentry, Segment, Next.js, Node.js, CSS, HTML, Express.js, Pixel Perfect, Progressive Web Applications (PWAs), Tailwind CSS, Web API, WebSockets, REST APIs, APIs, Logistics, eCommerce, Startups, Shipping, B2C, Large-scale Distributed Systems, Amazon S3 (AWS S3), Authentication, React Redux, Algorithms, Data Structures, Digital Product Development, Minimum Viable Product (MVP), Web Security, Web Development, Webpack, API Integration, Back-end, Front-end, Babel, Software Architecture, Payment Gateways, Payments, Payment Processing, SQL, NoSQL, Full-stack Development, BullMQ, JSON Web Tokens (JWT), RabbitMQ, Application State Management, Message Queues, Solution Architecture, Software as a Service (SaaS), SaaS, Communication, UI Components, RESTFul APIs, Git, Data Analytics, Systems Engineering
Software Engineer
2017 - 2020
G-Global
- Designed and implemented a microservice architecture for distributed GraphQL services, enabling seamless scaling and accelerating development across various company operations.
- Led the architecture and development of a real-time, cross-platform web application designed to manage and optimize the daily operations of transportation fleets. This application enhanced operational efficiency by providing real-time insights.
- Created a mobile application that enabled customers to effectively monitor and manage their logistics operations. This app enhanced the overall customer experience by providing real-time insights and control over their operational activities.
- Designed and developed a mobile app for drivers to track their routes, log their working hours, and upload proof of delivery. This app automated daily transport operations, leading to improved accuracy and efficiency in delivery management.
- Developed a mobile chat application for customer support, replacing traditional email communication. This change significantly reduced response times and improved the efficiency of customer support interactions.
- Built a mobile app that allowed for the scanning of packages and direct integration of the data into the internal system. This solution streamlined the inventory management process by removing the need for external imports.
Technologies: Docker, GraphQL, Express.js, Flask, Jenkins, Electron, Socket.IO, React Native, Mapbox, Twilio, Python, Celery, Laravel, React, SendGrid, Mobile Apps, UI Animation, User Experience (UX), User Interface (UI), Pub/Sub, Messaging, Mobile Development, Full-stack, Third-party APIs, PostgreSQL, Android, iOS, Node.js, Cross-platform App Development, Mobile App Development, SQL, UI Design, CSS, HTML, Redux, Expo, Pixel Perfect, Progressive Web Applications (PWAs), Kotlin, Android SDK, Web API, WebSockets, REST APIs, Microservices, APIs, Logistics, eCommerce, Shipping, B2C, Large-scale Distributed Systems, Amazon S3 (AWS S3), Authentication, React Redux, Algorithms, Data Structures, Digital Product Development, App Store, Google Play Store, Architecture, Mobile App Design, Location Tracking, Minimum Viable Product (MVP), Material UI, Web Security, Web Development, Webpack, Mobile, API Integration, Back-end, Front-end, Babel, Software Architecture, Native Mobile Apps, Django, NoSQL, Full-stack Development, JSON Web Tokens (JWT), Application State Management, Push Notifications, Google Maps API, Solution Architecture, SendGrid API, Software as a Service (SaaS), SaaS, Communication, UI Components, RESTFul APIs, Git, Systems Engineering, Mapbox GL
Software Engineer
2015 - 2017
IP Media River
- Worked closely with clients to understand their needs and deliver tailored web solutions that met their business goals. Maintained regular communication to ensure solutions addressed their specific requirements and challenges.
- Created a custom service ticket system tailored to the company's needs, eliminating the reliance on 3rd-party solutions.
- Reduced monthly expenses by removing the need for external service providers, leading to significant cost savings.
- Improved operational efficiency by offering better control and flexibility in managing service tickets and customer support.
Technologies: Laravel, MySQL, Vue, User Experience (UX), User Interface (UI), Full-stack, Node.js, SQL, UI Design, CSS, HTML, Redux, Express.js, Pixel Perfect, Next.js, Web API, REST APIs, APIs, Authentication, React Redux, Algorithms, Data Structures, Digital Product Development, Web Security, React, Web Development, Webpack, API Integration, Back-end, Front-end, Babel, Full-stack Development, Application State Management, UI Components, RESTFul APIs, Git, Systems Engineering
Experience
CNN | Live and Breaking News
https://apps.apple.com/us/app/cnn-breaking-us-world-news/id331786748Enhanced user engagement and revenue by implementing real-time US presidential election tracking, a new unauthenticated content screen, a content resume feature, podcast functionality improvements, playback error handling, A/B testing for content recommendations, and automated app deployment.
GOLD | Shop Your Favorite Brands
https://shopongold.comI collaborated with the founder of Waymo to transform product vision into a scalable architecture and cross-platform mobile app built with React Native. I developed AI-driven personalization, a unified multi-brand checkout experience, and automated CI/CD pipelines with end-to-end testing, improving user engagement, reliability, and conversion rates.
Yahoo Mail | Email With Smart Features
• Identified and resolved critical system bottlenecks to ensure application stability for a global user base.
• Led Privacy UX improvements and Mail Editor optimizations to enhance user experience, transparency, and performance.
• Collaborated across teams to solve complex technical challenges and deliver impactful features throughout the software development lifecycle.
• Led Privacy UX improvements and Mail Editor optimizations to enhance user experience, transparency, and performance.
• Collaborated across teams to solve complex technical challenges and deliver impactful features throughout the software development lifecycle.
ActimateAI
https://apps.apple.com/ca/app/actimate-adhd-planner/id6636555402As a mobile React Native expert, I played a key role in the Android release of a digital assistant app. My contributions included optimizing performance for a smoother user experience, aligning UI functionality between iOS and Android, and ensuring feature parity. Additionally, I successfully guided the app through the release process, guaranteeing a seamless deployment.
G-Global
Streamlined operations with a comprehensive suite of web and mobile apps, encompassing customer management, driver tracking, package scanning, and customer support chat, resulting in elevated efficiency and enriched customer experience.
Fuel | Print-on-demand App for Shopify
https://apps.shopify.com/fuel-print-on-demandEnhanced eCommerce operations by engineering advanced systems for order import, out-of-stock product replacement, and real-time monitoring/alerting. These innovations optimized processes, increased revenue through improved sales, minimized stockouts, and reduced incidents, resulting in heightened efficiency and customer satisfaction.
Education
2013 - 2017
Bachelor's Degree in Computer Systems and Networks
National Technological Institute of Mexico - Tijuana, Mexico
Certifications
DECEMBER 2014 - PRESENT
Intensive English Program
University of Southern California
Skills
Libraries/APIs
React, Node.js, REST APIs, Web API, React Redux, React Query, Stripe API, Google Maps API, Socket.IO, Vue, RxJava, Stripe Connect, SendGrid API, WebGL, React Native for Web, Mapbox GL
Tools
Git, Sentry, Expo, Figma, WebView, Webpack, Babel, Xcode, Slack, Grafana, Jenkins, Celery, SendGrid, Canvas, Prisma, Claude Code, RabbitMQ
Languages
JavaScript, TypeScript, Swift, SQL, CSS, HTML, Python, GraphQL, Kotlin, Java
Frameworks
React Native, Express.js, Electron, Next.js, Redux, Android SDK, Tailwind CSS, Django, JSON Web Tokens (JWT), Flask, Laravel, SwiftUI, iOS SDK, Material UI, Jest, OAuth 2, NestJS
Paradigms
Mobile Development, B2C, Microservices, UI Design, Automated Testing, Mobile App Design, E2E Testing
Platforms
iOS, Apple TV, Android, Android TV, Mobile, Mapbox, Amazon Web Services (AWS), Docker, Twilio, Visual Studio Code (VS Code), Firebase
Storage
MongoDB, PostgreSQL, Amazon S3 (AWS S3), NoSQL, Redis, MySQL
Other
Web Development, Mobile Apps, UI Animation, User Experience (UX), User Interface (UI), Video Streaming, Full-stack, Third-party APIs, Cross-platform App Development, Mobile App Development, Smart TV, Amazon Fire TV, Large-scale Projects, Pixel Perfect, APIs, Logistics, Shipping, Scalability, Algorithms, Data Structures, Digital Product Development, API Integration, Front-end, Software Architecture, Full-stack Development, Application State Management, UI Components, Systems Engineering, English, Pub/Sub, Messaging, Over-the-top Content (OTT), Fire TV, Progressive Web Applications (PWAs), CI/CD Pipelines, SDK Development, SDKs, Software Development Toolkits (SDK), WebSockets, eCommerce, Streaming, Business to Consumer (B2C), Large-scale Distributed Systems, Authentication, AVFoundation, App Store, Google Play Store, Architecture, Location Tracking, Minimum Viable Product (MVP), Back-end, Technical Leadership, Payment Gateways, Native Mobile Apps, Leadership, Payments, Artificial Intelligence (AI), Payment Processing, AI Chatbots, AI Integration, Videos, BullMQ, Team Leadership, Analytics, Push Notifications, Solution Architecture, Software as a Service (SaaS), SaaS, Communication, Storybook, Lottie, RESTFul APIs, Data Analytics, Content Delivery Networks (CDN), Prometheus, Segment, Coroutines, Jetpack Compose, Startups, Serverless, Supabase, Web Security, AI Tools, Cursor AI, AI Automation, Message Queues, Video Processing, Large Language Models (LLMs), HTML Canvas
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