Hi, I'm Gurjit Singh 👋 - an iOS Engineer with 5+ years of experience shipping, scaling, and maintaining production iOS apps. I design and build Swift/SwiftUI apps end‑to‑end—from architecture and APIs to App Store release and long‑term maintenance.

🚀 Currently open to full‑time iOS roles (remote, hybrid, or on‑site) in the EU.

15+

Apps Delivered

4.8⭐

App Store Rating

100K+

Total Downloads

View my work

Recent Work

6RPM AI

Freight & Load‑Matching Platform

iOS app for an AI‑powered freight platform connecting carriers and shippers, with an AI dispatcher to find and book loads in real time.

Implemented SwiftUI‑based UI, integrating REST APIs for loads, routes, and booking.
Built navigation and state management using MVVM and async/await for smooth updates.
Added push notifications and in‑app messaging to keep drivers and shippers informed.

iOS Swift Xcode SwiftUI

Morango Languages

Offline Language Learning

iOS language‑learning app with offline support, spaced practice, and progress tracking.

Designed the UX in Figma and implemented UI in UIKit with custom collection/table views.
Used Core Data for offline storage of lessons, words, and user progress.
Integrated StoreKit for in‑app purchases and subscription‑based content.

iOS Swift Xcode UIKit

Habitoo

Habit Tracking App

Simple habit‑tracking app to create, schedule, and complete daily routines, fostering a path towards personal growth and productivity.

Built the UI in SwiftUI with dynamic lists, custom components, and progress visualizations.
Implemented local notifications and scheduling to remind users about habits.
Persisted data is saved and maintained using Core Data and UserDefaults.

iOS Swift Xcode SwiftUI

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Latest Articles

I regularly write technical articles on Swift, SwiftUI, UIKit, and tooling, demonstrating how I approach code quality and modern iOS development practices.

Swift 6.1: New Features & Enhancements

Swift 6.1, officially released in March 2025, continues the evolution of Apple's powerful and expressive programming language....

2025-08-12 . 3 min read Swift 6.1

String Concatenation in Swift: A Comprehensive Guide

In any programming language, working with strings is essential, and Swift is no different.Whether you are building iOS apps......

2024-10-17 . 3 min read String Concatenation

Integrating SwiftUI with UIKit Using UIHostingController

With the introduction of SwiftUI, Apple has provided developers with a modern way to build user interfaces across all Apple platforms....

2024-07-09 . 3 min read UIHostingController

Deep Dive into Autorelease Pools in Swift

In the realm of software development, memory management plays a crucial role in ensuring the efficient allocation and deallocation of memory...

2024-01-28 . 4 min read Swift Autorelease

Swift enum equatable: with or without associated values

Swift enums provide a powerful way to model a set of related values. Enums can be equipped with associated values, allowing them to represen...

2024-01-24 . 3 min read Swift Enums

How to create Date Picker in SwiftUI

Use a DatePicker when creating a view that enables users to choose both a calendar date and, if needed, a specific time.In SwiftUI, you can ...

2024-01-16 . 2 min read SwiftUI DatePicker

Getting started with Swiftlint to enforce Swift style

SwiftLint is a tool that ensures Swift code adheres to defined style guidelines. It automates code review by identifying and suggesting impr...

2023-12-29 . 4 min read Swift SwiftLint

How to use Lottie animation in SwiftUI

Lottie is a fantastic tool for incorporating high-quality animations into your SwiftUI projects. There are several ways to add Lottie to pro...

2023-12-13 . 2 min read SwiftUI Lottie

How to get index in Foreach in SwiftUI

In SwiftUI, the ForEach is used to iterate over a collection of data and create views dynamically based on that data....

2023-12-07 . 3 min read SwiftUI ForEach

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Explore My Book

Writing this book demonstrates my deep, practical experience with SwiftUI and my ability to explain complex iOS topics clearly to other developers.

Mastering SwiftUI

$10.00

"Mastering SwiftUI" is a comprehensive guide that equips both seasoned and aspiring iOS developers with the knowledge and skills needed to excel in SwiftUI-based app development. This book takes a structured approach, starting with foundational concepts and progressing to advanced techniques, ensuring a holistic understanding of Apple's declarative UI framework.

Buy On Gumroad »

Career Timeline

Indie iOS Developer | Portugal(Remote)
Mar 2020 - Present
End-to-end development, App Store publishing, and maintenance of multiple iOS applications.
- Designed and built 5+ iOS apps from scratch using Swift and SwiftUI/UIKit (Habitoo, Morango Languages, Yollect, 6RPM AI).
- Integrated REST APIs, offline storage (Core Data), analytics, and in‑app purchases.
- Collaborated directly with founders and small teams, from product definition to release.
- Handled bug fixing, performance tuning, and iOS version updates post‑launch.
Projects
- 6RPM AI (Sep 2025 – Present) — iOS app for an AI‑powered freight platform (load matching, real‑time tracking, AI dispatcher).
- Yollect (Nov 2023 – Aug 2025) — Resale trading platform app for buying and selling premium items.
- Morango Languages (Feb 2021 – Oct 2023) — Offline‑first language learning app with spaced practice and progress tracking.
- Habitoo (Mar 2020 – Feb 2021) — Habit tracking app built with SwiftUI, local notifications, and persistent storage.
Web Developer, XP Consulting Pty Ltd
Jan 2017 - Dec 2019
Worked on multiple projects including Bharat Times (e-paper, matrimonial, ads), Eco Swaddles (e-commerce with PayPal), Exceed Career Coaching (Paypal), Power to the Plants, Hepburn Retreat Centre, Continental House, XP Consulting CMS, and DG Tutoring Services.
Android Developer, Tidycell
May 2015 - Dec 2016
Developed Picasta, Blast Of Struggle, SketchHD, Epic Baby Care, Best Torch Light, Bunny Go Run, and Turbanator — various Android apps and games released on the Google Play Store.
Web Developer, Qik Ads
Aug 2014 - Apr 2015
Created AMS (Attendance Management System) for Desh Bhagat University and an interactive website for SD Model School with CMS and mobile compatibility.
Junior Android Developer, ADM Systems Pvt Ltd
Jan 2014 - Jun 2014
Developed POPBAR, a social rating app, handling UI, feature design, Play Store release and integration of Crashlytics & Google Analytics.
Trainee Android Developer, Sebiz Infotech Pvt Ltd
Jan 2013 - Jun 2013
Built Anti Text Spoiler — an Android app enabling custom do-not-disturb schedules with notification, call and text blocking.

Let's work together

What I bring as an iOS Engineer

5+ years building and shipping iOS apps with Swift and SwiftUI.
Experience with both greenfield apps and long‑term maintenance.
Comfort with modern iOS tooling: Swift 6.x, Xcode, SwiftLint, async/await, Core Data, StoreKit.
Strong communication: used to working directly with founders, designers, and non‑technical stakeholders.
Portfolio of live apps on the App Store and Google Play.

If you have any queries or an interesting project idea, I'd love to hear from you.

Let's talk