Role: Senior iOS Engineer.

Highlights

• Own iOS development for the Energy domain: contracts, tariffs and consumption insights.
• Implemented a new visual identity together with the design team.
• Improved accessibility to meet WCAG 2.2 AA, including VoiceOver.
• Work closely with Android, Backend, Design and Product to solve problems, improve existing features and deliver new ones.

Tech

Swift, UIKit, Swift Concurrency, MVVM, Swift Package Manager, Firebase (Analytics, Crashlytics, Remote Config), GitHub Actions, REST APIs, WCAG 2.2 AA, OWASP MASVS

Role: Founder and sole developer, from product and design to both native apps and release.

Highlights

• Shipped native apps on both platforms: Swift and SwiftUI on iOS, Kotlin and Jetpack Compose on Android.
• Built a multi-source import pipeline that turns tracks from different platforms into one consistent library.
• Built CI/CD pipelines for different app variants: Debug, QA, Alpha and Release (Prod).
• Designed a custom dark design system (amber accent) applied across Library, Now Playing and Search.
• Growing an organic early user base with no paid promotion.

Design

• Designed the UI in Wonder: one “Mojo Player” file with an artboard per screen (Library, Album Detail, Artist Detail, Now Playing), in dark and light variants.
• Design tokens (colors, typography, shapes) were read straight from the artboards into a token layer in code, so screens never use raw hex values.
• Reusable Wonder pieces (tab bar, mini player, pills, media cards, track and album rows) became a shared component layer, and each screen is composed from it.
• Every screen and component is guarded by screenshot tests, so the build stays faithful to the design.

Backend

• Built the MOJO backend in Python with Flask, exposing a REST API consumed by both the iOS and Android apps.
• The API receives a track link, resolves it on the source platform and returns the audio and metadata for the app to store locally.
• Hosted on a self-managed Linux Mint server.

Tech

Swift, SwiftUI, SwiftData, AVFoundation, Kotlin, Jetpack Compose, Firebase (Auth, Analytics, Crashlytics), Kingfisher, Python, Flask

Role: Senior iOS Engineer.

Highlights

• Built and maintained iPadOS apps for ground and flight crews, supporting safety-critical load and balance workflows.
• Connected the apps to REST APIs and backend systems providing aircraft weight, passenger, luggage, cargo and fuel data.

Tech

Swift, UIKit, iPadOS, MVVM, XCTest, REST APIs, CI/CD, Git

Role: Sole developer, from concept and sound design to both store releases.

Highlights

• Built the original app in Godot with GDScript and shipped it to the App Store and Google Play from one codebase.
• Integrated the Freesound API: text search plus a “word + number” syntax that finds sounds around a given BPM (for example “Techno 120”).
• Every search result becomes a draggable sound object with its own audio bus, so each sound gets independent volume, pitch, looping and effects.
• Covered the core (effects, sound objects, API, input) with unit tests using the GUT framework, run on GitHub Actions.

Native Android rewrite

• Rebuilt the app in Kotlin and Jetpack Compose to get true multi-touch: every bubble handles its own pointer events, so several sounds can be dragged at once with different fingers, which Godot’s input model did not allow cleanly.
• Wrote the audio effects by hand as Media3 audio processors: reverb (Freeverb, with room, hall and plate presets), delay (slapback, ping-pong, tape), chorus, phaser, flanger, distortion, filter, compressor, bitcrush glitch and stutter/repeat.
• Designed a custom rotary knob control and a color-coded effects panel in a bottom sheet.
• Added recording of the full mix with Android’s playback capture, saved as WAV and ready to share.
• Multi-touch dragging is covered by instrumented UI tests.

Tech

Godot, GDScript, GUT, Freesound API, Kotlin, Jetpack Compose, MVVM, Media3 ExoPlayer, Retrofit, OkHttp, GitHub Actions

Role: iOS Lead.

Highlights

• Built video processing for live matches, combining video with Vision body-pose detection and gyroscope data for real-time sports analysis.
• Set up CI/CD and App Store release automation with Azure DevOps.

Tech

Swift, SwiftUI, Clean Architecture, video processing, Vision, CoreMotion, Swift Package Manager, XCTest, Azure DevOps, App Store Connect

Role: iOS Engineer.

Highlights

• Built enterprise iOS applications for internal use.
• Built an app that uses Vision and CoreML to recognise and report defective machines at the office.

Tech

Swift, UIKit, Vision, CoreML, MVVM, XCTest, CI/CD

Role: iOS developer, responsible for UI components and screens.

Highlights

• Part of the team that created the app from scratch.
• Built the UI components: custom alerts, virtual keyboard, buttons, styles and menu.
• Built screens for billing, transfers, chat, payments and favorite shortcuts.

Tech

Objective-C

Role: iOS developer on the prototype team.

Highlights

• Built a detailed prototype with the main features and screens: invoice, investment charts, card billing, chat, payment log and shortcuts.
• Interviewed users with the prototype in hand, collecting instant feedback on what they liked, disliked and wanted improved for the next version.

Tech

Objective-C

Role: iOS developer in a small team that built the app from scratch.

Highlights

• Augmented Reality furniture and décor placement built on ARKit.
• Universal app, supporting both iPhone and iPad.
• Structured with the VIPER architecture.
• Worked with CI/CD, code reviews and unit testing as part of the team workflow.

Tech

ARKit, SceneKit, VIPER, ReplayKit, CoreData, CI/CD, unit testing

Role: Sole developer.

Highlights

• Single-page React app with no backend: it runs entirely in the browser and is deployed as a static site on GitHub Pages.
• Photos auto-advance every 10 seconds and are centered on screen whatever their orientation, portrait or landscape.
• Started with Unsplash as the photo source, then moved to the Google Photos Picker so people can use their own photos.
• Picked photos are downloaded once and cached in IndexedDB, so the screensaver keeps working after a reload without signing in or picking again.
• Google sign-in is handled with Google Identity Services and silent token renewal, with no server-side secret.

Tech

React, JavaScript, Google Photos Picker API, Google Identity Services, IndexedDB, GitHub Pages