← Back to portfolio

Seif Kobrosly

Senior iOS Engineer & Founder
West Palm Beach, FL github.com/seifscape linkedin.com/in/skobrosly seifkobrosly.com

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, 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
Founder 07/2018 – 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 Engineer 01/2024 – 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 Engineer 10/2022 – 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 Engineer 02/2021 – 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 Engineer 02/2015 – 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 Consultant 11/2013 – 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 Science May 2012
George Mason University — Fairfax, VA