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I'm a seasoned iOS software engineer with a passion for building robust mobile apps using Swift and Objective-C, along with experience in React Native and Flutter for cross‑platform needs. I thrive in agile environments, enjoy sharing knowledge with teammates, and take pride in delivering clean, scalable code and delightful user experiences. I’m constantly learning new technologies and best practices, mentor peers, and collaborate with product and design teams to ship high-impact features. I value code quality, performance, and maintainability, and I’m excited to contribute to teams that push the boundaries of mobile development.…I'm a seasoned iOS software engineer with a passion for building robust mobile apps using Swift and Objective-C, along with experience in React Native and Flutter for cross‑platform needs. I thrive in agile environments, enjoy sharing knowledge with teammates, and take pride in delivering clean, scalable code and delightful user experiences. I’m constantly learning new technologies and best practices, mentor peers, and collaborate with product and design teams to ship high-impact features. I value code quality, performance, and maintainability, and I’m excited to contribute to teams that push the boundaries of mobile development.

William Tiou

App Developer, Web Developer, Full Stack Developer, +2

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I'm a seasoned iOS software engineer with a passion for building robust mobile apps using Swift and Objective-C, along with experience in React Native and Flutter for cross‑platform needs. I thrive in agile environments, enjoy sharing knowledge with teammates, and take pride in delivering clean, scalable code and delightful user experiences. I’m constantly learning new technologies and best practices, mentor peers, and collaborate with product and design teams to ship high-impact features. I value code quality, performance, and maintainability, and I’m excited to contribute to teams that push the boundaries of mobile development.…I'm a seasoned iOS software engineer with a passion for building robust mobile apps using Swift and Objective-C, along with experience in React Native and Flutter for cross‑platform needs. I thrive in agile environments, enjoy sharing knowledge with teammates, and take pride in delivering clean, scalable code and delightful user experiences. I’m constantly learning new technologies and best practices, mentor peers, and collaborate with product and design teams to ship high-impact features. I value code quality, performance, and maintainability, and I’m excited to contribute to teams that push the boundaries of mobile development.

Available to hire

I’m a seasoned iOS software engineer with a passion for building robust mobile apps using Swift and Objective-C, along with experience in React Native and Flutter for cross‑platform needs. I thrive in agile environments, enjoy sharing knowledge with teammates, and take pride in delivering clean, scalable code and delightful user experiences.

I’m constantly learning new technologies and best practices, mentor peers, and collaborate with product and design teams to ship high-impact features. I value code quality, performance, and maintainability, and I’m excited to contribute to teams that push the boundaries of mobile development.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior iOS Mobile Engineer at Gojek

September 1, 2021 - Present

Developing and maintaining the GoJek customer platform features including global search and home page; history order list, order summary, invoice, and user feedback form; built using Swift; applying VIPER architecture; optimized page performance; onboarding new customers; maintaining code quality, refactoring and unit testing; providing feedback and insights from iOS development and product.

iOS Mobile Engineer (Hybrid Objective-C and Swift) at Traveloka

July 1, 2018 - September 1, 2021

Developing upcoming features for the Eats iOS app; mainly using Objective-C and Swift; architectures include MVVM, MVVM-C, and MVC; leveraged IG ListKit; maintained code quality, refactoring and unit testing; contributed reusable components for improved code efficiency.

Full Stack Web Freelancer at Self-employed

January 1, 2018 - February 1, 2018

Worked as a solo web freelancer; performed backend tasks for Laravel-based projects; debugged and modified code; implemented Google Maps API for geolocation data; contributed frontend tasks as needed.

Lecturer Assistant at Institut Teknologi Harapan Bangsa

January 1, 2017 - July 1, 2017

Assisted teaching Android programming and Web Services Implementation to 30 students; supported lab sessions and student inquiries.

Android Developer - Summer Internship at Institut Teknologi Harapan Bangsa

January 1, 2017 - July 1, 2017

Summer internship project for admin systems; developed Android app backend using kSOAP2 library and SOAP Web services to receive and send data; Android frontend built in Android Studio; created a MySQL-based data model.