Eduardo Diaz Sancha

Director of Engineering, Post Purchase & Care

Grubhub

Present

Senior Engineering Manager, Care

Grubhub · Atlanta, GA

After an incredible four-year journey with Grubhub, I returned to take on a new leadership role within the evolving Wonder Group. I’m now leading engineering for our Care org, focused on scalability, performance, and innovation across front-end (Web, iOS, and Android) and backend. I’m grateful for the opportunity to come back and help shape the next chapter, especially during a period of transformation. It’s rare to get a second act with a company and people you care deeply about, and even rarer to return with fresh perspective onto a different organization.

Senior Engineering Manager, Diner Core - Bottom of Funnel

Grubhub · Atlanta, Georgia, United States

Managed three teams, including EMs for iOS, Android, and Web, along with backend engineers, totaling 36 members. Collaborated with Product, Analytics, and Design teams to enhance the Diner experience across menus, payments, and order history. - Improved menu conversion metrics by 200 bps, beating annual expectations midyear by increasing product development flow and reducing lead time. - Served as administrator and point of contact for several vendors across the organization, such as Contentful (content management system), Cloudinary (digital asset management), Firebase, Google Play, and Apple App Store. - Delivered an architecture transformation; migrated menu to backend for frontend (BFF), reducing costs by over $XM annually (doubling the expectations), enabling server-driven UI and eliminating legacy tech debt. - Accelerated experimentation velocity across platforms, running approximately 10 concurrent experiments per platform monthly while reducing the number of existing (idle) exp…

Senior Engineering Manager, Diner Menu & Diner Search

Grubhub · Atlanta Metropolitan Area

Engineering Manager, Diner Menu & Diner Accounts

Grubhub · Atlanta, Georgia, United States

Led two teams, totalling 16 engineers, in redesigning and modernizing the Subapp, implementing new architecture patterns and platform updates. Established the diner accounts team, fostering culture, setting SLOs, and enhancing observability and security practices. - Spearheaded company-wide experimentation focus initiative, scaling to over 40 monthly experiments and 100+ variations, resulting in a 30% lead time reduction on product iteration through better process alignment (reducing idle time and creating templates and automated experiment ingestion processes). - Led frontend work on a critical account takeover remediation project (OTP-based authorization), resulting in six-figure monthly savings. - Audited and refactored legacy frontend code, resulting in 60% fewer pages due to elevated errors in accounts.

Engineering Manager, Diner Menu

Grubhub · Brooklyn, New York, United States

Engineering Manager

Chopra Global · New York, United States

A modern healthcare company bridging science and spirituality, based on Deepak Chopra’s research to enhance holistic well-being iOS App Development & Architecture: Built and architected the Chopra iOS application (iOS 13+) using MVVM-C and GraphQL, ensuring scalable, maintainable code. Engineering Leadership: Grew the engineering team from 2 to 10 by recruiting and mentoring cross-functional talent. Established career ladders and streamlined onboarding processes. Operational Excellence: Deployed Scrum, RFCs, CI/CD, and a developer portal and a knowledge repository to foster rapid, high-quality releases in a fully remote environment. Roadmapping & Collaboration: Partnered with product and business teams to shape a forward-looking roadmap, balancing user needs with platform best practices. Mentored engineers and stakeholders on best practices, design patterns, and architectural principles, fostering professional growth and innovation. Maintained a 4.9 average App Store rating with 99.95%…

Staff Software Engineer

Moda Operandi, Inc · Greater New York City Area

Refactor the app into a modular, reactive architecture. Using MERLin (similar to RIBs as architecture design pattern), RxSwift, MVVM and others. Maintained the app with ~5 stars rating in the Appstore and 99.8% Crash-Free sessions by the end of the year. Our team raised app conversion rates 2x, sessions 3x, users 2x and revenue share 2.5x. I helped backend API integration and testing, UI testing, GraphQL requests into the app among others.

Freelance Technical Advisor, Lead Engineer

Equip · New York / Remote

Coordinate engineering efforts and supervise external agencies building native iOS app, backend in Ruby on Rails, and Frontend in Angular ensuring best practices are followed in all stacks. Rebuilt the MVP iOS app navigation to follow Apple’s Human Interface Guidelines, incorporating MVVM architecture, protocol-oriented programming, and several other modern coding paradigms. Mentored off-shore engineers in best practices Implemented CI/CD, and other productivity improvements. Created several scripts to import data from different services into Postgres databases. Implemented emails and several other functionalities in Ruby on Rails.

Senior Software Engineer

Hudson's Bay Company · New York

Moved into the mobile backend team to expand knowledge into other technologies to have a wider knowledge of the full stack technology.. Building Backend services primarily with Scala / Docker / AWS to serve Saks Fifth Avenue, Saks Off5th, Lord & Taylor and Hudson's Bay Mobile experiences. Implemented new features in the Mobile Middleware layer in Scala between the native apps and the company’s backend services. Maintained Scala Microservices hosted in AWS

Lead Software Engineer

Hudson's Bay Company · New York

Engineering Manager for the Mobile Common Platform team (5 people) in an effort to build reusable components and frameworks across HBC banners and the iOS/Android platforms. Built Scala/AWS micro-services and iOS/Swift internal libraries shared as CocoaPods

Lead Software Engineer

Hudson's Bay Company · New York, New York

Engineering Manager of the Gilt iOS team, developing and supporting the iPhone/iPad/tvOS. Lead the final efforts to update the Gilt iPhone/iPad app to Swift language. Lead the development of a user-centered approach, allocating research and development time on each sprint to user-inspired features and stories. Maintained the app with 5 stars rating in the Appstore and 99.7% Crash-Free sessions in the latest year Featured several times in the AppStore and Apple Pay events. Nominated for 2018 Webby Awards in the Shopping Mobile Apps section.

Senior Ios Developer

JackThreads · Greater New York City Area

- Lead iOS development and implementation of the new JackThreads brand - Implemented the TryOuts (get what you want, try it at home, pay it later) business model. This project involved educating users with new UI experiences, refactoring business logic on the sales, etc... all in 3 months from idea to App Store release. - Responsible for the app stack, stability, analytics, and 3rd party integrations - Maintain the app with 5 stars rating in the Appstore and 99.8% Crash-Free sessions through the years - Implement new UI-UX improvements, custom animations and components. - Integrate Swift during the last 2 years, approximately 70% Obj-C - 30% Swift Codebase. - Featured several times in the AppStore, WWDC and Apple Pay conferences. - Nominated for 2017 Webby Awards in the Shopping Mobile Apps section.

Ios Developer

Thrillist

Freelance Ios Developer

Self-Employed · New York City Metropolitan Area

Client: Qordoba (Based in United Arab Emirates) Worked on the barebones of a localization library to offer as SaaS.

Freelance Ios Developer

Self-Employed · Las Palmas de Gran Canaria, Canary Islands, Spain

Client: Canarias Mobile Worked on a Canary Islands promotional application. Designed software architecture from the scratch. Collaborated with a design team and client suggestions.. Implemented multiple networking API endpoints, beta testing platforms, analytics and other functionalities using iOS best practices, Open Source and Custom Libraries

Lead Ios Developer

Eversnap - Photo/Video Sharing App · Sunnyvale, California

Define architecture and implement Eversnap environment iPhone applications. Coordinate product creation from wireframes to final delivery together with the CTO. Design platform architecture according to business decisions. Coordinate overseas iOS team, estimate sprints and features, deliver new applications and versions. Evaluate candidates and future strategies.