Software Engineer & Product Builder

Preet Singh

Shipped consumer apps at scale, developer tools, and cloud infrastructure. Equal parts engineer and product thinker, building at the intersection of mobile architecture, privacy-first design, and AI. Focused on delivering impactful, well-crafted software

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Experience

J.B.S. Ltd

Software Engineer / Techincal Lead

Led the full product lifecycle, from requirements through architecture to a live App Store release.
Designed scalable, modular systems that supported rapid feature delivery and long-term maintainability.

Apple Inc.

iOS Software Engineer

Jan 2021 – Sep 2022

Built and shipped features in consumer apps used by millions, working in scalable Swift and Objective-C codebases with Agile workflows.
Collaborated with QA, designers, and partner teams to triage, prioritize, and resolve bugs, improving quality and release confidence.

Apple Inc.

Technical Specialist

Sep 2019 – Dec 2020

Resolved complex technical issues across Apple platforms with a 95% first-contact resolution rate.
Delivered structured feedback and detailed repro cases to engineering teams, improving product quality and customer experience.

Causemo Inc.

IT DevOps Engineering

Jun 2017 – May 2018

Managed IT infrastructure, automated cloud provisioning, and maintained CI/CD pipelines to support continuous delivery and team productivity.

Technical Skills

Languages

Swift Objective-C Python Bash C++ JavaScript

iOS Frameworks

UIKit SwiftUI AVFoundation Core Animation Auto Layout MapKit WidgetKit AppIntents

Architecture

VIPER MVVM Clean Architecture Dependency Injection Coordinator Protocol-Oriented

Performance

Instruments Memory Graph Time Profiler async/await Swift Concurrency

Data & Networking

SwiftData Core Data CloudKit REST APIs GraphQL URLSession Firebase

Testing & CI/CD

XCTest XCUITest Snapshot Testing TDD GitHub Actions Jenkins Fastlane TestFlight Xcode Cloud

Product & Leadership

Product Ownership A/B Testing Roadmap Planning Code Review Cross-Functional Collaboration Agile / Scrum

Infrastructure & Cloud

AWS EC2 Terraform Firebase Crashlytics Node.js Docker

Education

Master of Science in Computer Science

University of Massachusetts Boston

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