Summary
Overview
Work History
Education
Skills
Soft Skills
Timeline
Generic

Hang Li

Foster City

Summary

Experienced iOS engineer with a strong background in product development, technical leadership, and app development. Passionate about delivering seamless, high-quality mobile experiences, I am seeking a senior or staff-level iOS engineer position where I can leverage my skills in building user-centric apps, driving technical excellence, and collaborating with cross-functional teams to tackle complex challenges in a dynamic, growth-focused environment.

Overview

13
13
years of professional experience

Work History

Co-Founder & CTO

CustomTee Co.
01.2024 - Current
  • Spearheaded the development of the CustomTee iOS app (2020-2022 as a side project), achieving a 4.6-star rating on the Apple Store with over 360 five-star reviews
  • Transitioned focus to web platform optimization and backend development in 2023, recognizing that print-on-demand design workflows are more efficient on desktop
  • Led the integration with Shopify, enabling users to list and sell CustomTee's products on their own Shopify stores while CustomTee handles printing and fulfillment
  • Led the web engineering team to implement the live design preview feature on the web platform, enhancing the user experience
  • Provided end-to-end backend service and API support for high performance and scalability

Senior Software Engineer, iOS

LinkedIn Corp.
03.2016 - 12.2023
  • Led development, ownership, and redesign of key revenue-generating premium features on LinkedIn's flagship iOS app, including Top Application Jobs, Company Insights, and Top Choice Jobs. Collaborated with the Careers team to optimized different placement and view styles for Top Application Jobs on the Jobs home page, resulting in a 13% increase in user engagement and a 3% increase in premium careers revenue. Spearheaded the integration of Microsoft AI for Top Choice Jobs, enabling users to generate tailored content and assess job fit, enhancing user engagement and job application effectiveness.
  • Led the creation of a unified premium upsells UI model, streamlining the integration of upsells across features like Feeds, Jobs Home, Job Search, and Notifications. This model helped engineers save over 20% of development time when adding upsells to different pages.
  • Tech Lead for iOS Premium Team: Coordinated with Product Managers and managers between the Premium and Infrastructure teams to prioritize and estimate the impact of migrations like SAAZ to Nitro and Objective-C to Swift. Successfully managed the execution of these migrations while balancing product feature delivery.
  • Cross-functional Collaboration: Worked closely with Data Relevance, Careers, Search, Messaging, and Infrastructure teams to deliver user-centric solutions. Led regular cross-team meetings to ensure alignment and resolve any blockers, driving progress across all involved teams.

Senior Software Engineer

BrightEdge
03.2015 - 03.2016
  • Re-designed and migrated the BrightEdge Dashboard from PHP to Python, integrating HighCharts and adding multi-thread processing to improve user experience and performance.
  • Built the BrightEdge Patented Share of Voice (SOV) feature end-to-end, enabling customers to track their market share against competitors.
  • Developed BrightEdge Channels, providing clients insights into their performance across multiple marketing channels (Organic, Paid, Social).
  • Resolved large-scale data storage and query performance issues, optimizing MySQL, Redis, and Impala to improve system reliability and query speed.

Software Engineer

BrightEdge
07.2012 - 02.2015
  • Developed Single Sign-On (SSO) for the BrightEdge platform using SAML 2.0, ensuring secure authentication and seamless access.
  • Integrated web analytics data to enhance the Discover Pages Component, improving the platform's insights capabilities.
  • Built a self-service data integration interface for Google Analytics, automating data imports and reducing manual effort.
  • Analyzed keyword and page data to provide website improvement recommendations, aligning insights with business objectives.

Education

M.D. - ELECTRICAL/COMPUTER ENGINEERING

COLUMBIA UNIVERSITY
NEW YORK, NY
02.2012

Skills

  • IOS Development: Swift, Objective-C, UIKit, SwiftUI, Core Data, Core Animation
  • Architecture: MVC, MVVM, VIPER, Dependency Injection
  • Networking: RESTful APIs, GraphQL, HTTP, WebSocket
  • Database: Core Data, SQLite, MySQL, Redis

Soft Skills

  • Leadership: Mentoring, Technical decision-making, Code review,
  • Communication: Cross-functional collaboration, Stakeholder presentations
  • Problem-Solving: Debugging, Performance optimization, Scalability

Timeline

Co-Founder & CTO

CustomTee Co.
01.2024 - Current

Senior Software Engineer, iOS

LinkedIn Corp.
03.2016 - 12.2023

Senior Software Engineer

BrightEdge
03.2015 - 03.2016

Software Engineer

BrightEdge
07.2012 - 02.2015

M.D. - ELECTRICAL/COMPUTER ENGINEERING

COLUMBIA UNIVERSITY

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