Summary
Overview
Work History
Education
Skills
Tools And Sdks
Languages And Databases
Languages
Timeline
Generic

Eric Walker

Des Plaines,IL

Summary

Skilled Senior Mobile Developer / Architect with 12 years designing native iOS and Android apps. Expert in CLEAN Architecture & SOLID principles. Adept at rapidly onboarding and mentoring junior developers. Extensive experience with Swift & Objective-C, SwiftUI, UIKit , CoreLocation, CoreData, Jet Pack Compose.

Overview

29
29
years of professional experience

Work History

Senior iOS Engineer

Kroger
01.2023 - Current
  • Worked on greenfield shopper iOS app
  • Mentored iOS developers
  • Introduced MVVM design pattern
  • Part of Agile Scrum team consisting of iOS, Android & Cloud developers.

iOS Solutions Architect

Big Nerd Ranch
01.2021 - 01.2023
  • Enhance & maintain iOS metrics / news aggregator app
  • Re-architected legacy app using CLEAN & SOLID
  • Migrated UIKit to Swift UI
  • Mentored iOS developers
  • Part of Agile Scrum team consisting of iOS Android & Cloud developers.

Senior iOS Developer

Peapod Digital Labs
01.2020 - 01.2021
  • Participated in rewrite of white label grocery app from React Native to native iOS
  • Re-architected legacy app using CLEAN & SOLID
  • Migrated UIKit to Swift UI
  • CoreLocation, CoreData
  • Mentored iOS developers
  • Part of Agile Scrum team consisting of iOS Android & Cloud developers.

Senior iOS Developer

Hyatt Technologies
01.2015 - 01.2020
  • Worked extensively on Hyatt iOS App architecture & development
  • Familiar with Hyatt Android App architecture & codebase
  • Thorough understanding of mobile systems architecture including secure communication with mobile backend
  • Proficient working in Scrum methodology.

Lead Engineer

Heliumfoot Software, Inc
01.2014 - 01.2015
  • Developed iOS Peer to Peer platform for managing swim meets Meet Central in the Apple App Store
  • Developed iOS/Android PayYourSelfie app Apple App Store, Google Play.

Senior iOS Developer

Sears Holdings Corp
01.2012 - 01.2014
  • Maintained Sears/Kmart iOS 5.8 apps
  • Sears in the Apple App Store
  • Architected 6.x Sears/Kmart mWeb and hybrid app solutions
  • Migrated SCM system from Subversion to GitHub
  • Developed COORS enabled mock middleware framework built using Node.js
  • Built Hybrid iOS Sears/Kmart apps that leveraged new mWeb framework
  • Setup Jenkins Continuous Integration environments for mWeb, iOS, and Android applications
  • Setup Testflight distribution for internal AdHoc builds.

Principal

Deterministic Inc.
01.2005 - Current
  • Developed voice memo iOS app for doctors/patients
  • Healthy-TXT in the Apple App Store.

Master Software Engineer

SPSS, Inc. (Now IBM)
01.1995 - 01.2005
  • Developed persistent project component utilizing Java XML Serialization and JDBC
  • Created JUnit tests to provide reproducible testing environment for project component
  • Developed JNI (Java Native Interface) to proprietary SPSS file API enabling java application to use C++/Win 32 DLL.

Education

Bachelor of Science in Computer Science -

Aurora University

Skills

  • Bug Fixes
  • Augmented Reality
  • Ios Testing
  • Agile Principles
  • Security Experience
  • Software Development Methodologies
  • Technical Architecture
  • Mobile App Development

Tools And Sdks

  • XCode
  • Swift UI
  • Async Await
  • Combine
  • Core Data
  • RxSwift
  • Grand Central Dispatch
  • Blocks
  • UIKit
  • CoreAnimation
  • XCTest
  • Android Studio
  • Jetpack
  • Room
  • Junit
  • JMock
  • ANT
  • JDBC
  • Hibernate

Languages And Databases

  • Swift
  • Objective-C
  • Kotlin
  • Java
  • C++
  • Python
  • HTML
  • JavaScript
  • SQL Server
  • Oracle
  • MySQL
  • Postgres
  • Core Data
  • Realm
  • NoSQL

Languages

English
Native or Bilingual

Timeline

Senior iOS Engineer

Kroger
01.2023 - Current

iOS Solutions Architect

Big Nerd Ranch
01.2021 - 01.2023

Senior iOS Developer

Peapod Digital Labs
01.2020 - 01.2021

Senior iOS Developer

Hyatt Technologies
01.2015 - 01.2020

Lead Engineer

Heliumfoot Software, Inc
01.2014 - 01.2015

Senior iOS Developer

Sears Holdings Corp
01.2012 - 01.2014

Principal

Deterministic Inc.
01.2005 - Current

Master Software Engineer

SPSS, Inc. (Now IBM)
01.1995 - 01.2005

Bachelor of Science in Computer Science -

Aurora University

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Eric Walker