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Paul A. iOS and Swift Developer

Paul A.

  • Indonesia
  • 4+ years
  • Full-time (40 hrs/week)
Paul is now available for hire Hire Paul

Creative and focused iOS developer since 2016. Passionate with everything iOS, and Apple related. In IT since 2003 leveraging technical roles such as Web Developer, Database Administrator, and Software Configuration Specialist.

His services range from consultancy, guidance, and strategy for early startups, to early UI/UX design and proof of concept for app `drafts`, all the way to development and release to the AppStore for production ready apps. 

Skills and experiences

Skills and experiences

iOS Developer

Split Payments, Jan 2021

Responsibilities

  • Startup consultancy
  • Third party financial transaction API providers

Languages: Swift (100%)

iOS Developer and Designer

Freelancer, Apr 2016 - present

Consultancy and development services:

  • Prototyping
  • Design, Development (Swift and Objective-C)
  • Release to AppStore
  • Project risk assessment
  • Performance optimization

iOS Developer and Designer

SimplyWishes.com, Jan 2020 - Dec 2020

Responsibilities

  • iOS app bug fixes, feature development, maintenance, API design, API integration
  • Test Driven Development (TDD)
  • Design and development iterations with granular feature and work estimations, for careful project planning

Languages

  • Swift (5%)
  • Objective-C (95%)

iOS Frameworks: UIKit, XCTest
Other Tech: GIT, MVC, Sketch
 

iOS Developer and Designer

Tetsuyu Healthcare Pte Ltd., Oct 2018 - Oct 2020

- Award winning app at Ageing Asia 2020: `Innovation of the Year`, and `Best Smart Care Technology`

Responsibilities

  • Developed and integrated automatic wound measurement and annotation solution using image and depth (3D depth maps) processing, as well as connected external sensors namely Occipital Structure Sensor, and several thermal sensors
  • Collaborated with Computer Vision Doctors and Mathematicians to integrate algorithms and Machine Learning (ML) frameworks
  • Development multiple, general care, wound assessment, and treatment workflows in universal user interfaces that adapt to any device size and any orientation
  • Used MVC approach with Test Driven Development (TDD) for models and key algorithms
  • Developed several prototypes to evaluate Augmented Reality (AR) capabilities of iOS
  • Application performance research and optimisation for fast image processing and efficient downloading

Languages:

  • Swift (90%)
  • Objective-C++ (5%)
  • C++ (5%)

iOS Frameworks: ARKit, AVFoundation, Structure (Occipital), UIKit, XCTest
Other Tech: GIT, Jira, Machine Learning, MVC, Postman, Scrum, Sketch
External Devices: Occipital Structure 3D Sensor, FLIR Thermal Imaging Sensor

iOS Developer and Designer

Baseline.io, Jun 2017 - Sep 2018

Responsibilities

  • Development, and maintenance of a security API (RSA and AES-128) for transmission and reception of cyphers
  • Development of debugging API for transmission of system, device, permissions, and application states
  • Maintenance of a Telemetry SDK for automobile geo-positioning, and velocity-tracking
  • Maintenance of a Tethering SDK for connecting the iOS device to automobiles via Bluetooth
  • Development of a Continuous Integration (CI) solution, for Beta and Production environments, for releases from GIT snapshots to TestFlight uploads on the AppStore, in Jenkins
  • Maintenance, support, release, and evolution of 4 hybrid (Ionic and Cordova) iOS apps to the AppStore
  • Test Driven Development (TDD)
  • iOS translation of Android design patterns, SDKs, and APIs, written in Java to Swift 3
  • Fusion of multiple Xcode projects under one master project
  • App battery consumption optimizations
  • GCD (Grand Central Dispatch) concurrency development for scheduled debug info tramission

Languages

  • Swift (90%)
  • Bash (5%)
  • Java (5%)
  • SQL (some)

iOS Frameworks: CommonCrypto, CoreBluetooth, CoreLocation, MotionFitness, Realm, XCTest
Other Tech: AES, AndroidStudio, CI, Cordova, Fastlane, GIT, Ionic, Jenkins, Jira, MVC, Observer, RSA, Scrum, Sketch, TestFlight, XCBuild, XCodeServer
External Devices: T2 Car Telemetry Transmitter

iOS Developer and Designer

OnuView, Jan 2017 - Jun 2017

Responsibilities

  • Startup consultancy
  • Developed an iOS evolutionary prototype for the purpose of market surveying in the Retail industry
  • Technologies included are social networks integration (Facebook and Instagram), and multimedia management (images)

Languages: Swift (100%)
iOS Frameworks: UIKit, XCTest
Other Tech: GIT, MVC, Sketch

iOS Developer and Designer

Secureblocks.com, Jan 2017 - Jun 2017

Responsibilities

  • Wholly designed, and developed, two security iOS apps using a AES-256-bit military grade encryption algorithm, certified by the American Department of Justice
  • Key vault manager with keychain, task management, wallet management, and network security
  • Social network sharing mechanisms to transfer cyphers between users
  • Design and development iterations with granular feature and work estimations, for careful project planning
  • Test Driven Development (TDD)

Languages: Swift (100%)
iOS Frameworks: CommonCrypto, Keychain, UIKit, XCTest
Other Tech: AES, GIT, MVC, Sketch, TestFlight

iOS Developer and Designer

Brainconnexions, Mar 2016 - Jan 2017

Responsibilities

  • Developed an iOS evolutionary prototype for market surveying purposes in the Art industry
  • App interfaced with iBeacon devices, and geofences, for tailored user notifications
  • Other features were geolocation tracking, social network login (Facebook and Instagram), touch-id and keychain security, email/password authentications, and multimedia management (audio, video, images)
  • User metrics recorded via Google Analytics, and NoSQL (Firebase)
  • Design and development iterations with granular feature and work estimations, for careful project planning
  • 100% creative freedom for design, and development
  • Test Driven Development (TDD)

Languages

  • Swift (100%)
  • SQL (some)

iOS Frameworks: CoreBluetooth, CoreLocation, GoogleAnalytics, Ramotion, Springs, UIKit, XCTest
Other Tech: Firebase, GIT, HockeyApp, MVC, Sketch, SQLite
External Devices: Basebit technology, iBeacons

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