Portfolio

Darren WuAnalyst Programmer

I help teams ship reliable mobile products through native iOS development, React Native adoption, CI/CD workflows, release operations, and cross-functional collaboration.

Mobile Delivery Profile

For mobile product work, release operations, or technical collaboration, reach me directly by email.

Contact Darren Read Writing

Experience

Production mobile engineering across commerce and sports technology.

Senior iOS Programmer → Analyst Programmer

Shoalter Technology

2022-06 -2026-04

Developed and maintained e-commerce mobile features across native iOS and React Native surfaces.

Helped introduce React Native into the mobile development workflow for cross-platform feature delivery.
Built and improved GitLab CI workflows, reducing release iteration time by approximately 50%.
Expanded responsibilities into requirement analysis, task breakdown, and implementation planning for mobile features.
Supported junior developers through task guidance, code review, and technical troubleshooting.

React NativeSwiftTypeScriptXcodeGitLab CI

Senior iOS Developer

新儀科技

2017-09 -2021-04

Built and maintained mobile software services in the sports technology domain with cross-functional product teams.

Maintained multiple production iOS applications, including new feature development, bug fixes, release support, and App Store submission workflows.
Extracted reusable modules and documented shared implementation patterns for team reuse.
Built CI/CD workflows with Jenkins and Bitrise, reducing product iteration time by around 50%.
Created prototypes, internal tools, and demo services to help PM, design, backend, and QA teams validate ideas faster.

SwiftXcodeRxSwiftFigmaJenkinsBitrise

Junior iOS Developer

酷客移動

2016-11 -2017-08

Started professional iOS development by delivering assigned mobile app features and third-party integrations.

Developed features for a shared ride mobile application.
Integrated third-party services including Facebook login and Google Maps.

SwiftXcodeGoogle MapsFacebook SDK

Selected Project

Applied mobile product work.

Pose Coach

A sports motion analysis side project using Apple Vision-related technology to explore pose detection and coaching workflows.

Visit project

Role

Mobile product implementation and maintenance

Approach

Built around iOS app development, motion detection exploration, local data handling, and product iteration.

Result

Live product and continuing technical exploration across mobile UX, sports coaching needs, and production maintenance.

SwiftUIVisionCoreDataiOS

Skills

Tools and practices used to ship production mobile apps.

Core Mobile

SwiftSwiftUIUIKitObjective-CXcodeApp Store release workflow

Cross-platform

React NativeReactTypeScriptJavaScript

Architecture and Quality

MVVMRxSwiftCI/CDCode ReviewTestingPerformance Debugging

Tools

GitGitLab CIJenkinsBitriseDockerFigmaPostmanProxymanVim

Selected Writing

Notes on CI/CD, release work, and developer tooling.

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AI Coding

deirenwu1101@gmail.com