David Shi

David Shi Email and Phone Number

Senior Full Stack Software Engineer @ Progyny, Inc.
New York, NY, US
David Shi's Location
New York, New York, United States, United States
David Shi's Contact Details

David Shi personal email

n/a
About David Shi

With over 6 years of hands-on experience in iOS and backend software development, I have honed my skills across early-stage startups, high-growth companies, and established brands like Audiomack (a music-sharing app with nearly 2 million App Store reviews) and lululemon (a global fitness apparel leader).My technical expertise is complemented by MBA-level business acumen and project management skills, enabling me to bridge the gap between technical teams and business goals. With a decade-long foundation in robotics engineering and management consulting across the U.S. and Asia-Pacific, I bring a unique, culturally informed perspective and a user-centric approach to problem-solving.My passion lies in delivering exceptional user experiences and scalable, efficient backend systems. Currently, I focus on backend development with occasional frontend contributions, while maintaining a passion for iOS development where you can check out my portfolio at https://knicks135.github.io/davidshi/Core Technical Skills:Programming Languages: Swift, JavaScript, TypeScript, PythonFrameworks & Tools: Xcode, VSCode, Node.js, React, Express, Docker, NestJS, TypeORM, Terraform, Serverless Framework, Django, Charles ProxyBackend Expertise: REST APIs, AWS, Google Cloud Platform, MongoDB, DynamoDB, PostgreSQL, CircleCI, Swagger, Automated Testing, Event Driven Architecture, Message Driven ArchitectureiOS Proficiency: SwiftUI, UIKit, Core Data, MVVM, VIPER, MVC, REST API integrationWhat Drives Me:I thrive in collaborative environments where technical innovation meets strategic execution. I’m always eager to learn, share ideas, and contribute to impactful projects. Let’s connect if you’re looking for a professional who combines technical expertise with a strategic vision to exceed user and business expectations.

David Shi's Current Company Details
Progyny, Inc.

Progyny, Inc.

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Senior Full Stack Software Engineer
New York, NY, US
David Shi Work Experience Details
  • Progyny, Inc.
    Senior Full Stack Software Engineer
    Progyny, Inc.
    New York, Ny, Us
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  • Taptab
    Software Engineer, Co-Founder
    Taptab Oct 2019 - Present
    As a side project, I'm supporting a dine-in restaurant services SaaS startup. Since joining, I’ve helped the company scale from zero to over $2000 in monthly recurring revenue (MRR) through impactful contributions across iOS, Android, and backend development (TypeScript / Node.js / Express / Jest / Swagger / PostgreSQL / Google Cloud Platform).Notable Contributions:- Scaled active iOS app users from zero to over 60K per month while maintaining a 99%+ crash-free rate by developing the app with UIKit, SwiftUI, and Combine, including an App Clip extension.- Established agile workflows using Zenhub, improving collaboration and efficiency between development, product, and management teams.- Learned Kotlin to refactor the networking layer in the Android codebase, enhancing error handling and stability.- Initiated the shift to a more resilient backend by introducing TypeScript and NestJS, setting standards for a migration away from an error-prone JavaScript foundation.- Streamlined onboarding with a Docker-based setup script, ensuring consistency across development environments and accelerating new developer productivity.- Serve as the lead technical advisor to the founder and team, providing insights on tech strategy and operational scaling.
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  • Woebot Health
    Senior Backend Software Engineer
    Woebot Health Jul 2022 - Nov 2024
    San Francisco, Ca, Us
    - Reduced mobile app startup time by nearly 40% (from 7 seconds to 3-4 seconds) by spearheading technical optimizations, facilitating work for mobile and backend developers, and contributing directly to iOS development, Node.js backend APIs, and leveraging AWS Cloudwatch metrics and traces.- Saved approximately 30 minutes per iOS TestFlight build while maintaining and debugging CircleCI CI/CD pipelines. Leveraged Fastlane, Match, and Serverless Framework to enhance build reliability and deployment efficiency across iOS and platform workflows.- Accelerated development by several weeks by proactively learning Figma to design prototypes for a Content Management System, facilitating cross-functional discussions to align stakeholders and streamline survey creation workflows for content writers.- Led frontend development using React and CSS frameworks (MaterialUI and Reactstrap) to build a new user interface for survey creation, enhancing usability and user experience.- Enhanced user password security by implementing a blacklist of over 2 million passwords, leveraging MongoDB for efficient querying. Led technical discussions across mobile and backend development teams to revamp user security features, directly contributing to closing one of two major customer deals in Virtua Health for 2023.Technologies I work with daily include (but are not limited to) AWS (Kinesis, DynamoDB, CloudWatch, Lambda, S3, IAM, SQS, SNS), Serverless Framework, BigQuery, ETL pipelines, DataDog, MongoDB, TypeScript, JavaScript, Node.js, and React.
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  • Lululemon
    Backend Software Engineer (Lululemon Studio Formerly Mirror)
    Lululemon Nov 2021 - Jul 2022
    Vancouver, Bc, Ca
    - Increased test coverage from 0% to over 70% by refactoring buggy, class-based React components into functional components with React Hooks, making the code easier to unit test and significantly improving maintainability, performance, and user experience for the workout timer. Implemented unit tests using React Testing Library to ensure reliability.- Developed an API endpoint for partnership listing filters, including comprehensive test suites, while contributing to additional API development using Django REST Framework and Python.- Analyzed and implemented the minimum AWS IAM policies required for Zappa-based automatic deployments of AWS Lambda functions, enhancing deployment security and efficiency.- Created and deployed Terraform configurations to provision new AWS MediaConvert On-Demand queues to integrate best practices of Infrastructure as Code.
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  • Lululemon
    Ios Software Engineer (Mirror Acquired By Lululemon)
    Lululemon Feb 2021 - Nov 2021
    Vancouver, Bc, Ca
    Recognized as a top performer (top 5%) in my first mid-year performance review for outstanding contributions and measurable impact on the mobile iOS team. Contributed to the forefront of home fitness technology by developing features for the iOS companion app. Leveraged frameworks such as ReactiveSwift, Swinject, SnapKit, and architectural patterns like VIPER, MVVM, and Flow Controllers to enhance app functionality and navigation. Identified and implemented process improvements to boost team productivity.Notable Contributions:- Took ownership of and developed the Find Friends feature within the first few months, quickly ramping up on unfamiliar frameworks and a complex codebase.- Collaborated with four iOS developers to revamp the Home Screen, delivering the Welcome and Progress sections. Led the Analytics specification process across iOS and Android, and implemented analytics using Segment for iOS.- Proactively worked with product and project management to improve JIRA workflows by introducing templates for epics, stories, tasks, and bugs, significantly increasing team efficiency and clarity.
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  • Majestyk Apps
    Ios Software Developer
    Majestyk Apps Jan 2020 - Feb 2021
    New York, Ny, Us
    Contributed to the development of the Audiomack app, a leading music sharing and discovery platform with over 4 million daily active users on iOS and more than 1 million ratings on the Apple App Store (as of February 2021).Notable Contributions:- Designed and implemented the Premium Downloads feature, delivering a key value proposition for Audiomack's premium subscription model.- Introduced SwiftUI to the codebase by developing interactive widgets with WidgetKit, seamlessly integrating them with core app features.- Refactored the API layer, migrating from Objective-C to Swift, and contributed to the Swift migration of the music player, a core user-facing component of the app.
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  • Self-Employed
    Freelance Ios Software Developer
    Self-Employed Apr 2019 - Apr 2020
    Built and contributed to a variety of iOS applications, working with digital product agencies and early-stage startups to deliver high-quality, user-focused mobile solutions.- Designed and developed a personal finance and retirement planning app in Swift, aimed at guiding professionals toward financial independence through low-cost mutual and index fund investing. Successfully launched the app on the App Store before retiring it in 2021.- Contracted with leading digital product agencies, including HappyFunCorp and Majestyk Apps in New York City, collaborating on innovative app development projects for diverse clients.- Partnered with several early-stage startups to design and develop their initial iOS applications, contributing to the foundation of their digital products.
  • Happyfuncorp
    Ios Software Developer
    Happyfuncorp Nov 2019 - Jan 2020
    Brooklyn, New York, Us
    I was a part-time contractor for a digital product agency working with one of their client's expense reporting app where the codebase is primarily written in Objective-C and building the UI programmatically on a distributed team with product managers, project managers, UX designers, QA engineers and developers across the US, India and Brazil.
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  • Jetsweat
    Ios Software Developer
    Jetsweat Jul 2019 - Oct 2019
    New York, Us
    Promoted to lead iOS developer within four months, mentoring junior team members and driving key feature development.- Expanded app functionality to support iPads by implementing Auto Layout and Adaptive Layout, transforming the app from iPhone-only to a universal iOS experience.- Developed an offline mode, enabling users to download and play video content without an internet connection. Utilized the Alamofire networking framework for file downloads, Core Data for offline storage, and AVPlayer for seamless offline video playback. Optimized performance by caching images with Alamofire and saving them to disk.
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  • Career Break
    Career Transition
    Career Break Jun 2018 - Jun 2019
    Embarked on an enriching journey of exploration and personal growth, immersing myself in diverse cultures across China, Japan, Thailand, Italy, Spain, France, Switzerland, Tunisia, and Kenya. Throughout this period, I embraced the opportunity to expand my horizons while preparing to transition into the dynamic field of software development. Leveraging the vast resources and connections within the online community of software developers, I actively pursued avenues to enhance my skills and knowledge, particularly focusing on iOS software development.
  • Covestro (Formerly Bayer Materialscience)
    Digital Strategy Project Manager
    Covestro (Formerly Bayer Materialscience) Apr 2016 - May 2018
    Leverkusen, Nrw, De
    - Lead digital strategist for the polycarbonates business focusing on improving customer service by managing the process to integrate artificial intelligence technologies on all digital platforms.- Spearheaded a multidisciplinary, cross-functional initiative, guiding the upper management team in Southeast Asia to develop a high-level strategic plan tailored to the region's diverse markets.- Led the change management process to secure alignment and buy-in across business units, service functions, and Southeast Asian countries, driving the formulation of a comprehensive strategy roadmap for the polycarbonates business.
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  • Covestro (Formerly Bayer Materialscience)
    Apac Regional Management Trainee
    Covestro (Formerly Bayer Materialscience) Mar 2015 - Mar 2016
    Leverkusen, Nrw, De
    I participated in a 12-month management trainee program for MBA graduates with rotations in marketing, supply chain, and product management through Covestro (Bayer MaterialScience) APAC headquarters in Shanghai and Hong Kong. I was selected as one of three management trainees out of a pool of more than 80 applicants from top MBA graduate programs around the world.- Conducted a market research study on the high-solid polyol market in China for the coatings business, focusing on the Auto Refinish and Wood Furniture segments. Identified opportunities to address low VOC emission regulations through collaboration with polyol suppliers.- Led a cross-functional effort to analyze the profitability of the Qingdao System House, collaborating with controlling, management support, and sales teams to develop an as-is business case scenario.
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  • Career Break
    Career Transition
    Career Break Jun 2013 - Mar 2015
    I undertook a transformative journey by pursuing an MBA at CEIBS in Mainland China, driven by a desire to broaden my skill set beyond engineering and immerse myself in a new culture and language. This break in my career was a deliberate step towards exploring opportunities in business management in China, aligning with my aspirations for professional growth and cultural exploration.
  • Amphenol Ltd
    Global Mba Intern Consultant
    Amphenol Ltd Jun 2014 - Sep 2014
    Whitstable, Kent, Gb
    I performed market research and analysis on international distribution channels in close cooperation with the Shanghai manufacturing site by identifying new key opportunities and applications in the export markets within the military and telecom industries.
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  • Siemens Industry
    Consulting Sales Application Engineer
    Siemens Industry Aug 2011 - Jun 2013
    Munich, De
    - I served as the technical lead for Siemens industrial factory automation products in the eastern Pennsylvania, Delaware, and Maryland regions, consulting with customers and sales channel on industrial factory automation applications by providing pre-sales technical support to help close business on significant sales opportunities. I also planned and executed activities to coach and mentor channel partners' technical personnel, helping enhance the sales channel's ability to support customers.- Converted 2 accounts that ranked among the top 10% of FY12 account conversions within the US East Region – generating sales of $1.5 million.
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  • Siemens Industry
    Engineering Leadership Development Program
    Siemens Industry Jul 2009 - Aug 2011
    Munich, De
    I successfully completed a two year entry-level leadership development program that consisted of four rotations, each six months long, within the Industry Automation and Drive Technology Divisions across various fields of industrial manufacturing. 1st rotation: Factory Automation, Marketing and Sales Support - Atlanta, Georgia2nd rotation: Motion Control Solutions, Application Engineering - Atlanta, Georgia3rd rotation: Machine Tools, Application Engineering - Chicago, IL4th rotation: Process Automation, Project Engineering - Philadelphia, PANotable Achievements:• Received You Answered Award for customer excellence, the first rotational engineer recognized with this honor for going above and beyond customer expectations in Machine Tools rotation.• Won First Place out of 15 cross-functional project teams in business case competition for helping devise new methodology to increase cost accuracy on motor options in Norwood motor manufacturing plant. • Improved process efficiency by 75% in Process Instrumentation Analytics business segment by leading development and implementation of automated process to load bill of materials into SAP system.
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  • Siskon
    Controls Engineer
    Siskon May 2008 - Aug 2008
    For this internship, I implemented a remote monitoring and fault messaging system using industrial manufacturing controllers and GSM modems. I adapted to living and working in an entirely unfamiliar culture in a relatively low per-capita GDP Eastern European country.
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  • General Motors
    Manufacturing Engineer
    General Motors Aug 2007 - Dec 2007
    Detroit, Michigan, Us
    In this role, I gained technical experience and knowledge on error-proofing techniques in manufacturing processes utilizing programmable logic controllers, vision systems, and sensors. I enabled knowledge transfer and best practices sharing for new employees by interacting with machine operators and technicians to develop job instruction sheets for a variety of plant operation tasks. Notable Achievement:• Reduced production rejects by approximately 10% and improved product quality across assembly operations by leading implementation of quality control improvement program.
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David Shi Skills

Project Management Strategy Automation Manufacturing Engineering Cross Functional Team Leadership Engineering Management Project Engineering Technical Project Leadership Cross Cultural Communication Skills Software Project Management Change Management Electrical Engineering International Project Management China Business Development Chinese Culture Strategic Planning Vba Global Strategy Global Business Development Technology Integration Business Development Product Management Business Strategy Mobile Application Development Ios Development Swift Python C Sql Swift

David Shi Education Details

  • China Europe International Business School (Ceibs)
    China Europe International Business School (Ceibs)
    General
  • Virginia Tech
    Virginia Tech
    Electrical Engineering

Frequently Asked Questions about David Shi

What company does David Shi work for?

David Shi works for Progyny, Inc.

What is David Shi's role at the current company?

David Shi's current role is Senior Full Stack Software Engineer.

What is David Shi's email address?

David Shi's email address is sh****@****ens.com

What schools did David Shi attend?

David Shi attended China Europe International Business School (Ceibs), Virginia Tech.

What skills is David Shi known for?

David Shi has skills like Project Management, Strategy, Automation, Manufacturing, Engineering, Cross Functional Team Leadership, Engineering Management, Project Engineering, Technical Project Leadership, Cross Cultural Communication Skills, Software Project Management, Change Management.

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