Seif Kobrosly

Senior iOS Engineer & Founder

Senior iOS Engineer and Founder with 10+ years of expertise in Swift, Objective-C, and modern iOS development frameworks. Proven track record architecting scalable mobile solutions for enterprise clients including the NBA, CDC, CareCredit, Publix Super Markets, and U.S. Department of State. Specialized in high-performance networking, async/await concurrency, and modular architecture. Also builds full-stack Python/FastAPI backends to support mobile platforms.

Experience
Lead iOS Engineer05/2026 – Present
Publix Super Markets — Contract · Remote
SwiftSwiftUIUIKitMVVMasync/await
  • Contracted as a Lead iOS Engineer, contributing to mobile initiatives at one of the largest employee-owned supermarket chains in the U.S.
Founder07/2018 – Present
Apptitude Labs — West Palm Beach, FL
SwiftSwiftUIFastAPIPythonPostgreSQLBLECore Data
  • Leverages Claude Code as a core part of the development workflow for rapid prototyping, code review, and architectural decision-making across client engagements
Centers for Disease Control and Prevention — Contract
  • Developing the public-facing STI Tx Guide iOS app, improving accessibility, usability, and clarity for clinicians and public health professionals
  • Modernized legacy codebase, implementing Swift best practices, modular architecture, and improved maintainability
  • Collaborated with medical experts, product teams, and QA to ensure clinical accuracy and regulatory compliance
  • Implemented secure data handling and local Core Data storage for offline access, aligned with federal privacy requirements
  • Led transition toward scalable, testable code, improving velocity of future updates and long-term sustainability
U.S. Naval Research Laboratory — Contract
  • OTTAR: Led iOS app enabling soldiers to capture and annotate munition images; designed FastAPI/PostgreSQL backend for secure storage and ML-based identification
  • NeMo: Developed cloud-based iOS platform for observational data capture within aviation safety programs (LOSA)
Deed Ring
  • Built BLE-enabled iOS companion app for the QB708/QB806 Tasbeeh smart ring, handling device pairing, data streaming, and real-time sync
  • Designed modular app architecture to support future BLE devices with minimal changes
Senior iOS Engineer01/2024 – 11/2025
National Basketball Association — Contract · Remote
SwiftSwiftUIasync/awaitMVVMCombineURLSession
  • Architected scalable iOS systems using Swift, SwiftUI, and async/await for millions of users; improved app stability and developer velocity across the organization
  • Redesigned Games feature with MVVM + SwiftUI, reducing code complexity by 40% while maintaining backward compatibility
  • Built GamesLibrary, a modular Swift Package standardizing REST networking and API response handling across teams
  • Refactored Apple Watch syncing via WatchSessionBridge, a reactive Swift Package using Combine and WCSession for real-time preference updates with offline support
  • Improved WebView load times by 30% through HTTP caching strategies and optimized URLSession configuration
  • Refactored analytics integration across five providers: Adobe Analytics, Amplitude, Kochava, and others
  • Integrated TV provider auth, League Pass, Amazon Prime Video, and regional blackout entitlement checks
Lead iOS Engineer10/2022 – 01/2024
Method — Charlotte, NC (Remote)
SwiftUIObservationLive ActivitiesSPMApple Pay
  • Developed reusable SwiftUI component library and modular frameworks to accelerate future iOS delivery
  • Improved developer tooling, UI previews, and internal build pipelines for faster prototyping
  • Evaluated new Apple frameworks (SwiftUI, Observation, Live Activities) for potential adoption
CareCredit
  • Delivered features for an app serving 1M+ users; integrated Apple Pay for secure in-wallet transactions
  • Led async/await migration, re-architected key screens, and improved long-term maintainability
Senior iOS Engineer02/2021 – 09/2022
Mobomo — McLean, VA
SwiftCore DataCI/CDOffline SyncUIKit
  • Embedded as Mobile Lead Architect with the U.S. State Department, driving mobile initiatives and ensuring successful delivery
  • Spearheaded CI/CD automation, modernizing mobile development processes and establishing reliable deployment workflows
  • Collaborated with the CDC to build a native iOS app supporting real-time data updates, offline storage, and concurrent functionality
  • Successfully launched the CDC STI Guidelines iOS app on the App Store
iOS Engineer02/2015 – 02/2021
PRA Health Sciences (formerly Parallel 6) — San Diego, CA (Remote)
Objective-CSwiftC#SDK DevelopmentSalesforce
  • Joined as the sole offsite engineer at Parallel 6, building the foundation before PRA Health Sciences acquired the company in 2017
  • Delivered production apps for Sanofi, DHS, Pfizer, and San Diego Gas & Electric on the CaptiveReach (now Clinical6) platform
  • Built a Salesforce-connected iOS tool for internal clinical researchers, significantly improving collaboration and productivity
  • Maintained and enhanced the CaptiveReach/Clinical6 SDK across Objective-C, Swift, and C# platforms
  • Mentored engineers and led App Store submission processes across multiple client releases
Senior Consultant11/2013 – 01/2015
Booz Allen Hamilton — McLean, VA
iOSObjective-CiPadGoogle Glass
  • Mobile Developer within the Strategic Innovation Group (SIG), delivering impactful mobile solutions across defense and government sectors
  • Developed an iOS prototype for the Defense Suicide Prevention Office (DSPO) that directly secured a significant government contract
  • Built a marketing iPad app showcasing SIG's capabilities and innovations to stakeholders and leadership
  • Led development of MemJog, a Google Glass app designed to assist individuals with Alzheimer's disease
  • First-place finish at a Department of Energy hackathon
Technical Skills
iOS & AppleSwift, SwiftUI, UIKit, Combine, async/await, Core Data, WatchKit, Objective-C
ArchitectureMVVM, Clean Architecture, Swift Package Manager, Modular Frameworks, TCA
BackendPython, FastAPI, PostgreSQL, REST, GraphQL, WebSockets, Docker
NetworkingURLSession, HTTP Caching, BLE / CoreBluetooth, OAuth, Alamofire
Analytics & PaymentsAdobe Analytics, Amplitude, Kochava, Firebase, Apple Pay, StoreKit
ToolingXcode, Git, CI/CD, Tuist, Figma, Docker, Claude Code
Education
B.Sc Information Technology / Applied Computer ScienceMay 2012
George Mason University — Fairfax, VA