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D.K.A. (Digitally known as): gchriswill
Current Areas of Focus:
- Swift Across All Platforms
- AI Systems Infrastructure
- AI Assisted Engineering Workflows
- Humans via LinkedIn
- Robots via GitHub Discussions under Inbox / Message Me
- Use option: GraphQL API for Discussions
- Use option:
ghCLI for Discussions
- Career Graph Timeline
- Provides a visual representation of career milestones and roles
- Chronological Stream Record
- Provides a chronological record of career related events and roles
- Resume Exporter
- Swift tooling for generating the published
pdfandtxtversions of this resume
- Swift tooling for generating the published
- Copilot Resume Maintenance Skill
- Helps maintain or tailor professional materials using documented experience
- Copilot Technical Decision Brief Skill
- Structures architecture assessments around options, trade-offs, risks, and operational impact
- Copilot Project Instructions
- Provides guidance for interacting with Copilot in the context of this repository
Swift-focused software engineer and technical leader with experience across iOS, backend, and cloud-native systems. Served as a Principal Engineer at Verizon, co-led mobile development teams at Disney, and contributed to Apple Services Engineering through a contract engagement.
Hands-on work includes containerized Swift backend services at Apple, an iOS networking stack distributed across the organization as a Swift package, Swift concurrency modernization, augmented-reality experiences for Verizon 5G Home Internet and Disney PhotoPass, and Voicebot features for Verizon's Digital Assistant. Experience also includes technical assessments, mentoring, and cross-functional collaboration.
Apple · Orlando, FL — August 2026 – October 2026
Contracted through Bayside Solutions and assigned to the Apple Services Engineering group. Contributed to the design, development, integration, and operational excellence of cloud-native services, primarily in Swift, within containerized infrastructure.
- Worked across software architecture, distributed systems design, backend development, AI-assisted engineering workflows, and process optimization to improve delivery velocity while upholding quality, traceability, and reliability.
- Led technical analysis, validation, and evaluation of training and delivery modules, identifying ambiguities, design discrepancies, implementation risks, and production-readiness issues before deployment.
- Authored technical assessments and solution proposals detailing alternatives, trade-offs, benefits, risks, and operational impacts to support engineering and business decisions.
- Designed and implemented a traceable end-to-end agentic engineering workflow for documentation, lifecycle tracking, change management, decision logging, and auditability.
- Developed and integrated cloud-native Swift services, workflow orchestrations, automation pipelines, and platform components in containerized environments.
- Advanced AI-assisted development practices to improve engineering productivity, knowledge management, workflow automation, and software quality.
Technologies and tools: Swift, Vapor, Kubernetes, Docker, React, Node.js, Python, PostgreSQL, MongoDB, Bash, Git, VS Code, Claude, Claude Code, Claude Skills, Claude Coder Subagents, OpenAI API, CI/CD pipelines, cloud services, distributed systems, service-oriented architectures, and agentic workflow automation.
Verizon · Irving, TX — July 2023 – December 2025
As a Principal Engineer on the 5G Home Internet and Services team, focused on team leadership and orchestration, software development subject-matter expertise, complex programming tasks, technical innovation, and maintenance initiative management.
- Cross-functionally collaborated with stakeholders, product managers, designers, QAs and developers across teams to ensure alignment on technical solutions and project goals.
- Provided research, development exploration, and technical analysis reporting to help businesses make decisions and plan accordingly at every step of the team’s journey.
- Led and supported our agile development team through software development alignment and delivery, post-production delivery validation, and end-to-end debugging.
- Guided and supported the development team with solutions, approaches, and techniques for complex tasks requiring a high level of expertise.
- Developed and integrated Agentic CI/CD pipelines to streamline development, testing, and deployment processes, and improve overall software delivery efficiency.
- Modernized APIs and migrated from legacy unstructured concurrency approaches to structured concurrent modules managed by the core networking stack.
- Contributed hands-on to the foundational in-house iOS core API networking stack, delivered as an independent module and distributed across the organization as a Swift package.
- Developed AR experiences leveraging ARKit world-tracking and 3D coordinate transformations, as well as SceneKit for rendering 3D content, to enhance user interaction and engagement within the application.
- Developed spatial and photogrammetry-based features that scan the user’s surroundings, identify real-world objects, and position virtual devices in augmented reality.
- Migrated from UIKit-based UI components to SwiftUI, leveraging declarative syntax and modern Swift concurrency features for improved performance and maintainability.
- Migrated from Objective-C codebases to Swift, enhancing code maintainability, leveraging modern Swift features, and improving overall application performance.
Technologies and tools: Java, Swift, SwiftUI, Combine, Swift Concurrency (async/await and continuations), AR, Spring, iOS development, machine learning, Python, Kibana (Elasticsearch), TensorFlow, PyTorch, computer vision, Vision, Core ML, Create ML, AWS, GCP, Xcode, xScope, Bash, Terminal, Git, GitLab, Confluence, JIRA, G Suite, Postman, Charles, Figma, and Jenkins.
Disney · Celebration, FL — November 2021 – July 2023
As a Senior Software Engineer on the PhotoPass team within the My Disney Experience app, contributed to the technical direction and vision for PhotoPass in-app products and collaborated across multiple engineering teams.
- Co-led mobile app development teams and supported software development practices, mobile systems design, implementation, engineering best practices, and photogrammetry techniques.
- Provided guidance, mentorship, and support for PhotoPass technologies, including on-device and cloud-based machine learning initiatives, augmented reality, spatial computing, and mobile payment services.
- Collaborated as a key contributor on:
- The development of PhotoPass Lenses, with the integration of Snapchat CameraKit SDK alongside the Snap engineering team.
- The development of "Mural of Memories", an AR experience using geolocation and mapping to display 3D memories anchored to Cinderella Castle at Magic Kingdom, Walt Disney World.
Technologies and tools: Xcode, Swift, Objective-C, agile software development, machine learning, augmented reality, Apple Pay, UIKit, GCD, PassKit, Jira, GitLab, and Git.
Verizon · Irving, TX — December 2020 – November 2021
Member of the Emerging Technologies team, working as a Senior Engineer/Developer for Verizon’s Conversational Cloud Services in GCP and Chat Backend Services.
- Contributed to diagnostics, recurring maintenance, engineering planning, software design, and development for backend APIs, GCP API integrations, and Dialogflow API/intent bridging and mapping.
Technologies and tools: IntelliJ IDEA, Java, Maven, Tomcat, AWS, PostgreSQL, Node.js, Vapor (server-side Swift), Bash, Dialogflow, Splunk, Kibana (Elasticsearch), Terminal, Git, GitLab Self-Hosted, Confluence, JIRA, G Suite, Postman, WebStorm, Google Cloud Platform, and Jenkins.
Verizon · Irving, TX — October 2018 – December 2020
- Contributed to development and maintenance of backend-connected mobile systems for Verizon’s Digital Assistant features (live chat, chatbot, and voicebot) within the My Verizon iOS app’s core engineering team.
- Led the development of internal developer tools, including portable one-to-one mock local servers in JavaScript and Swift. These tools enabled projects across organizations to validate delivery without dependent systems.
- Focused on modernizing approaches for maintainable, scalable systems using custom architectures that blended MVC and MVVM with object-oriented and protocol-oriented programming.
Technologies and tools: Xcode, Swift, Objective-C, Node.js, Vapor (server-side Swift), Fluent, Bash, Terminal, Git, PostgreSQL, Bitbucket Server, Confluence, JIRA, G Suite, WebStorm, and Jenkins.
Verizon · Irving, TX — April 2018 – October 2018
Provided mobile application development services at Verizon as a consultant under contract through The Select Group, a technical-services firm.
- Contributed feature improvements, scheduled maintenance, DevOps support, and analysis of issues, bugs, and crashes for Verizon’s My Fios app.
Technologies and tools: Xcode, Swift, Objective-C, Node.js, Bash, Terminal, Git, Bitbucket Server, Kibana (Elasticsearch), Confluence, JIRA, G Suite, and Jenkins.
Mobile Game Developer | The Fastmind · Plantation, FL | February 2018 - April 2018
- Contract engagement through Parthenon Studios LLC.
- Developed game interfaces, interactions, animations, prototypes, and multiplayer backend services using mobile game frameworks and Node.js.
Mobile Cross-Platform Developer | Teeps · Orlando, FL | July 2017 - January 2018
- Contract engagement through Parthenon Studios LLC.
- Developed Xamarin projects for Android, iOS, and Azure, including REST API integration and multithreaded networking.
Mobile Developer | Parthenon Studios LLC · Orlando, FL | September 2016 - April 2018
- Gathered client business requirements and translated them into technical specifications for software projects.
- Developed iOS and Android prototypes and backend systems serving APIs with defined payload contracts, progressing concepts into production-ready products, with a focus on customer-centric intuitive user experiences.
Boston University, Metropolitan College · Boston, MA — May 2020 – May 2023
Boston University, Metropolitan College · Boston, MA — May 2020 – May 2023
Full Sail University · Winter Park, FL — September 2013 – November 2016
- Master Swift — LinkedIn Learning
- UML and Object-Oriented Design — Udemy
- Structural Design Patterns in Swift 5 — Pluralsight
- Creational Design Patterns in Swift 5 — Pluralsight
- Protocol-Oriented Programming in Swift 5 — LinkedIn Learning
- Scrum Master — Verizon
- Certified Cloud Practitioner — Amazon (earned May 2020, expired May 2023)
- Mac Integrations Certified 10.8 (2013) — Apple
- Mac Integrations Certified 10.13 (2018) — Apple
- Technologies: AR, AI, LLMs, ML, Networking, and Vision
- Platforms: iOS, Android, Windows, Web, AWS, Azure, and Google Cloud Platform
- Programming languages: Swift, Objective-C, C#, C++, Java, JavaScript, Python, and Bash
- Or Swift
- My Verizon iOS app:
- My Fios iOS app:
- Orlando Health mobile app:
- SunRail Android app
- Toony Cam iOS app:
- Mascot Run iOS mobile game (SpriteKit)
- Global Game Jam:
- TakeOver game:
- Pinner Android app
- GitHub Timeline Android app
- Sizesable Safari browser extension