Irfan Toor

Lead Mobile Developer

Nisum • Full-time

Dec 2023 - Present • 2 yrs 10 mos

Spearheaded iOS feature development and delivery for Williams-Sonoma's Pottery Barn and Pottery Barn Teen shopping apps, consistently meeting project milestones on time and within scope. Architected and maintained comprehensive unit-test suites (XCTest / XCUITest), significantly improving code reliability, test coverage, and reducing regression bugs across major releases. Established and enforced iOS best practices, coding standards, and architecture guidelines across the engineering team through structured code reviews and mentoring sessions. Refactored legacy codebases to modern Swift / SwiftUI and Combine standards, improving app stability, performance, and App Store ratings. Conducted R&D into AI-powered feature integrations, providing data-driven technical recommendations aligned with product goals. Active member of the technical recruitment panel — designed interview frameworks and evaluated senior iOS engineering candidates.

Senior iOS developer

Technerds.com • Self-employed

Jan 2021 - Present • 5 yrs 9 mos

Designed and built multiple production iOS applications from scratch using Swift, covering full lifecycle from requirements gathering to App Store submission. Owned end-to-end app maintenance, feature development, and quality assurance across a portfolio of live consumer applications. Implemented scalable architecture patterns (MVVM, MVC) and integrated Firebase suite (Firestore, Crashlytics, Remote Config) for real-time analytics and performance monitoring. Led CI/CD pipeline setup using Fastlane and GitHub Actions, reducing deployment overhead and enabling consistent release cadences. Conducted regular code reviews, enforced coding standards, and participated in technical recruitment interviews for iOS engineering roles.