Ricki Bin Yamin

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Resume ​

Ricki Bin Yamin
Sr. iOS Software Engineer
Jakarta, Indonesia

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Summary ​

Software Engineer with over 6 years of hands-on experience specializing in building iOS Native Apps. Proficient in crafting intuitive user interfaces programmatically using UIKit, SwiftUI, SnapKit, and AsyncDisplayKit (Texture). Skilled in developing high-scalable applications integrating customer-centric 3rd party frameworks such as Firebase, CleverTap, OneSignal, AppsFlyer, Split.io, among others. Also experienced in DevX/Infra stuff such as setting up CI/CD, managing provisioning profiles and certificates, Push Notification, modularization design system, scripting in shell and ruby, and releasing apps in App Store Connect.

Experience ​

TIP

If a link is included in the list below, you can tap it to see my detailed achievements.

Stockbit - Sr. iOS Engineer Core/Infra ​

Jakarta, Indonesia (March 2022 - Present)

  • Responsible to maintain project architecture and modularization.
  • Maintain and Set Up CI/CD Workflow (XcodeCloud and Gitlab-CI, previously with Bitrise).
  • Write script in shell and ruby to support CI/CD Workflow.
  • Support and maintain certificates and auth key (.p12 and .p8) for fastlane integration authentication (code signing), Push Notification authentication, etc.
  • Maintain project’s secret keys for development process.
  • Involved in Push Notification Service migration (from OneSignal to FCM) resulting in a significant reduction of subscription fees by approximately USD 20,000 per year.
  • Develop bilingual engine on iOS to support English-Indonesian language content wording.
  • Develop Dependency-Injection (DI) Engine to support cross module class sharing and to prevent circular dependency of importing between modules.
  • Involved in improving security for iOS.
  • Migrate the usage of Realm into native CoreData which cut apps build size for about 10-15 MB.
  • Develop UI Design System component for iOS and its component’s showcase apps (UI full programmatically using UIKit).
  • Involved as Release Manager, maintain apps release cycle, and submit apps to the App Store Connect.

Traveloka - iOS Engineer | Financials Service Team ​

Tangerang, Indonesia (September 2021 - March 2022)

  • Handle relayout Financial Service feature page.
  • Handle new user challenge (PIN challenge) for known HTTP status code.
  • Implement MVVM-C architecture, with modular based using Development Pods.
  • Build UI programmatically using SnapKit.
  • Implement Unit Test on every new line written code.
  • Migrate legacy Objective-C code into Swift.
  • Migrate xib view into UIKit or SnapKit programmatically.

RCTI+ - iOS Engineer | Part Time ​

Jakarta, Indonesia (August 2021 - February 2022)

  • Work with Video teams.
  • Develop new capability on RCTI+ video player: user interaction on video player such as fast forward by double tapping, lock window to prevent unintentional user interaction, etc.
  • Develop security to prevent from screen recording and screen capturing.
  • Manage JavaScript - bridge to handle communication between web apps content and native apps interaction.

DANA Indonesia - iOS Engineer | Payment Team, Lifestyle Team ​

Jakarta, Indonesia (July 2020 - September 2021)

  • Work with Core-Payment team to develop Send Money features.
  • Work with Lifestyle team to maintain “All Services” features section.
  • Involved in developing E-Money feature.
  • Implement MVVM-C architecture, framework integration using Carthage.
  • Build UI programmatically using AsyncDisplayKit (Texture).
  • Implement Reactive Programming using RxSwift.
  • Manage Javascript - bridge to handle communication between web apps container (WebView) and native apps.
  • Implement Unit Testing as well as mocking API service.

Apple Developer Academy @UC - iOS Developer | Internship ​

Surabaya, Indonesia (March - December 2019)

  • Implement Git Workflow in every project.
  • Learn iOS Development Life Cycles.
  • Learn build UI programmatically using UIKit instead of drag and drop using Storyboard/XIB.
  • Learn build UI programmatically using SwiftUI.
  • Learn CoreData and CloudKit integration.
  • Learn CoreML.
  • Build apps for guiding user to learn writing Kanji, based on CoreML. (Final Project)
  • Build apps for managing boarding house rental. (Final Project)

Volunteer Experience ​

PLC (Programmable Logic Controller) Trainer - ITS Campus ​

At Siemens SciTech Competition Event, Held by ITS x Siemens (2017)

  • As trainer of Programmable Logic Controller (PLC) using Ladder Diagram (PLC programming language)
  • As trainer of Human Machine Interface (HMI), a companion for PLC as User Interface.
  • Composing training materials.
  • Material covered: basic I/O, basic logical gate (AND, OR, NOT, XOR, XNOR), sequential logic (Flip-Flop), Timer, Counter.

Education ​

Institut Teknologi Sepuluh Nopember ​

Electrical Engineering (Bachelor) - GPA 3.84

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