Eric Walker

Experience Level

Expert
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Work Experience

SENIOR IOS DEVELOPER (CONTRACTOR) at Hyatt Technologies
December 1, 2015 - April 1, 2020
Architected the flagship Hyatt iOS app using a hybrid Swift/Objective-C stack. Designed and implemented advanced UI with Storyboards, XIBs, and programmatic Auto Layout for high-density booking views. Built robust local persistence with Core Data and migrated legacy networking to modern URLSession and Codable patterns.
SENIOR IOS DEVELOPER (CONTRACTOR) at Peapod Digital Labs
April 1, 2020 - September 1, 2021
Participated in rewriting a white-label grocery app from React Native to native iOS. Wrote and executed unit and UI tests to ensure code reliability and stable releases.
IOS SOLUTIONS ARCHITECT at Big Nerd Ranch
September 1, 2021 - May 1, 2023
Developed technical strategies for Chick-Fil-A’s iOS metrics and news aggregator apps. Provided technical leadership and coached teams on robust architectures.
SENIOR IOS ENGINEER (CONTRACTOR) at Kroger
May 1, 2023 - February 1, 2024
Spearheaded modular rewrite of the whitelabel Address Book module using Clean Architecture. Applied SOLID principles to create a testable codebase, reducing regressions. Modernized data flow and networking with Combine and async/await.
IOS ENGINEERING CONSULTANT (CONTRACTOR) at Apple
October 1, 2025 - October 1, 2025
Designed and engineered high-fidelity sample apps for official Apple developer documentation. Wrote clean, production-grade code to demonstrate complex implementation patterns. Collaborated with engineering teams to translate complex system features into educational content.
LEAD AI ENGINEER at Syncopateme
November 1, 2025 - Present
Architected and deployed a custom AI chat interface for Syncopateme.com using Ollama Cloud LLMs. Utilized Retrieval-Augmented Generation (RAG) to provide context-aware scheduling assistance. Built a responsive, high-performance web platform using Django, HTMX, and Postgres. Engineered a secure, scalable billing engine integrated with Stripe.

Education

Bachelor of Science in Computer Science at Aurora University
January 11, 2030 - March 27, 2026

Qualifications

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Industry Experience

Software & Internet, Media & Entertainment, Professional Services, Retail