Professional App Work
A closer look at the architecture, product systems, and modernization work behind the apps shown on Home.
Synapse Tech Inc.
Aug 2024 – Present
Built and scaled
Re-architected a shared VPN foundation across multiple App Store deployments, covering monetization, reliability, secure configuration, and reusable product flows.
TomatoLink: 7.8k first-month downloads · 99.5% crash-free sessions · 38% retention improvement
Client products
Improved production cybersecurity experiences through stronger onboarding, maintainable UI, authentication, localization, and targeted reliability fixes.
Zurich Cyber: refactored key flows and resolved notification issues across an established App Store product
Modernized
Refactored and modernized a legacy Objective-C application with an iPad-focused interface overhaul and fixes across key functional paths.
Improved stability, performance, maintainability, and the overall iPad user experience
PunchLog
Legacy modernization
Showcase Projects
33VPN
UIKit app architecture built with MVVM and Clean Architecture.
Learning Archive
Structured learning paths first, followed by the notes, experiments, and repo-backed work that turned those ideas into something usable.
Learning Paths
The structured tracks that shaped the way I approached Swift, UIKit, and SwiftUI before the deeper topic notes and repo work.
Independent path
Structured Swift foundation notes based on Paul Hudson's 100 Days of Swift, covering language basics, control flow, functions, closures, structs, classes, protocols, optionals, and early projects.
Collection
Structured notes
Independent path
A learning-focused Swift playground repository covering core object-oriented programming concepts through focused examples and practice-driven code.
Collection
Structured notes
Independent path
Personal notes from Sean Allen's UIKit course, covering practical iOS foundations like layout, lifecycle, view controllers, debugging habits, and UIKit workflow details.
Collection
Structured notes
Independent path
Self-driven SwiftUI notes and experiments focused on layout, rendering behavior, navigation, component patterns, and building a stronger mental model of declarative UI.
Collection
Structured notes
Notes and Projects
The rest of the archive in one place: technical notes I wrote for myself, smaller experiments, and practical repo work where those ideas got tested properly.
Passkey
Authentication
Implementation notes covering Passkey registration and authentication on iOS, from Authentication Services and WebAuthn theory to backend validation and real-device setup details.
Resources
Notes and references
ByteForge
Compression Research
An experimental C++ project exploring whether quantized `.gguf` model files contain enough byte-level structure for meaningful lossless compression through custom binary formats and validation-heavy research.
SnapCast
Computer Vision
A prototype for gesture-based screenshot sharing between Macs over a local network using computer vision, UDP discovery, and peer-to-peer file transfer.
Resources
Code and notes
iOS Notifications Examples
UserNotifications
A learning-focused Swift repository exploring notification permissions, local notifications, scheduling, actions, and notification handling through practical examples.
iOS Combine Examples
Combine
A learning-focused Swift repository exploring reactive data flow, subjects, operators, and asynchronous state handling through practical Combine examples.
iOS Networking Examples
Networking
A learning-focused Swift repository exploring API communication, request handling, decoding, validation, and asynchronous networking patterns in iOS apps.
Widget Kit
WidgetKit
A simple SwiftUI learning project built to understand widget families, timeline-based updates, and the core WidgetKit flow in iOS.
NavKit
Navigation
A Swift learning project focused on navigation patterns, screen flow, and state-driven movement across app views.
GraphQL Lab
GraphQL
A learning-focused Swift repository exploring GraphQL queries, mutations, schema-driven APIs, and strongly typed data fetching in iOS applications.
Call Kit
CallKit
A learning-focused Swift repository exploring native iOS calling flows, CallKit configuration, call lifecycle handling, and VoIP-style system integrations.
LazyLab
SwiftUI Internals
A SwiftUI experimentation project built to study lazy containers, rendering behavior, diffing, identity, and state-driven updates under the hood.
Go-Swift Integration
Interop
A macOS integration project showing how to statically link Go code into a Swift app using cgo, a generated C header, and a bridging header workflow.
Auto Layout (UIKit)
UIKit Internals
A notes-first deep dive into Auto Layout, covering constraints, intrinsic content size, hugging and compression priorities, ambiguous layouts, conflict resolution, and debugging layout failures.
Resources
Notes and references
Dependency Injection
Architecture
A notes-first learning card covering dependency injection in Swift, including constructor, property, and method injection, with a focus on decoupling and testability.
Resources
Notes and references
Generics
Swift Fundamentals
A notes-first learning card covering generics in Swift, with a focus on reusable functions, generic types, constraints, and type-safe abstractions.
Resources
Notes and references
iOS App Lifecycle
App Lifecycle
A notes-first deep dive into iOS app lifecycle behavior, covering app states, AppDelegate and SceneDelegate responsibilities, pause and resume timing, memory behavior, and real-world lifecycle handling.
Resources
Notes and references
SOLID Principles
Architecture
A notes-first learning card covering the SOLID principles and how they shape maintainable Swift code, better abstractions, and cleaner module boundaries.
Resources
Notes and references
Stack vs Heap
Memory
A notes-first deep dive into stack and heap memory in Swift and iOS, covering value vs reference semantics, copy-on-write, ARC boundaries, and the practical performance implications for app code.
Resources
Notes and references
UIViewController Life Cycle
UIKit Internals
A notes-first deep dive into the UIViewController lifecycle, covering method order, setup responsibilities, observer timing, cleanup patterns, layout method boundaries, and deallocation behavior.
Resources
Notes and references
Menu
SwiftUI
An iOS SwiftUI app built to explore a clean food-ordering flow with multiple screens, structured navigation, and predictable state-driven UI updates.
Resources
Code and notes
Infinite Image Feed
Feed UI
A Swift project exploring infinite scrolling, paginated image loading, asynchronous updates, and reusable feed patterns for large content lists.
Resources
Code and notes
Swift Data Flow
UIKit Patterns
A learning-focused Swift repository exploring forward and backward data passing between view controllers using property assignment, callbacks, and delegate-based communication.
Core Data Demo
Persistence
A learning-focused Swift repository exploring local persistence with Core Data, including CRUD operations, fetch requests, predicates, and the Core Data stack.
Checklists
UIKit App
An iOS checklist app for creating, editing, and organizing lists and sub-lists, with reminders, date editing, and notification support.
Resources
Code and notes
Money Tracker
SwiftData
A Swift-based money tracking project exploring SwiftData persistence patterns for managing, storing, and organizing personal finance records.
Notes