UCLA

McGill University

Marianopolis College

Lead Mobile/iOS Engineer

Cognizant

Lead iOS Engineer / Consultant

· Principal mobile engineer for fintech wealth management company targeted at startup founders and employees
· Built out mobile app from early prototype to full-featured App Store release, including managing entire App Store submission process
· App entirely written in SwiftUI with Combine; integrated Push notifications, managed consistency of app UX across different form factors and with web client, and architected app layers and back-end integration
· Built out sophisticated charting framework for net worth, account history, and account comparison/benchmarking based on third-party Charts framework
· Built out entire continuous integration toolchain with Fastlane in CircleCI, including automated tests, VPN connectivity, certificate signing, and build uploads to TestFlight

Compound

Mobile Software Engineer

• Lead mobile engineer for team of 4-6 developers across USA and Spain
• Updated and enhanced Installer app, written in React Native, with functionality to facilitate commissioning of Span smart electrical panels with broad range of solar/battery configurations
• Led major revamp of Homeowner app, written in React Native: implemented Push notifications with Firebase and Customer.io; improved graphing/charting functionality of electrical consumption data; enhanced battery backup priorities for power outages; and animated home screen power flows with Lottie
• Managed build & reporting tooling with CircleCI, Fastlane, Instabug, and Segment

Span

Lead Mobile Engineer

• Lead iOS engineer for team of 8 developers across USA, Canada, Ukraine and India
• Worked on Motion, company’s flagship carrier-grade app for managing and monitoring vehicles via proprietary cellular-enabled IoT device connecting to vehicle OBD-II port 
• Managed multi-app branding across cellular carriers in North America and worldwide, including T-Mobile (USA, Germany, Czechia, Austria), Telus, Rogers, Bell (Canada), Telcel (Mexico)
• Collaborated in design of app frameworks, written entirely in Swift with RxSwift to facilitate real-time updates across multiple vehicle devices from Mojio platform
• Worked on other app products to extend company's line of connected devices to other asset and pet trackers using cellular, wifi, and Bluetooth connectivity

Mojio

Lead iOS Engineer

• Worked on 3.x version of Motion, company's flagship carrier-grade app product to connect to vehicle device, entirely built in Swift with React frameworks
• Worked on other app products to extend company's line of tracking connected devices

Senior iOS Engineer

• Principal iOS engineer for suite of consumer-facing apps enabling receipt capture across various demographics and psychographics in U.S. and U.K. markets
• Work on new app, Receipt Lottery, in Swift 3 to target new user demographics
• Revamping and improving functionality and design of existing ReceiptHog and Shoparoo apps, including consistency of Receipt Details screens; improvements in gameplay logic; and ability to connect to e-receipt providers
• Streamlined app delivery process with continuous integration tools: Fastlane and CircleCI

InfoScout (now Numerator)

• Lead position on team of three engineers working on significant upgrade of UrbanSitter app, a marketplace to connect trusted babysitters with parents in metro-area markets nationwide
• Revamped significant portions of existing app, including sitter search and parent booking functionality with all-new screens in coordination with product and UX designers
• Rewrote some back-end integration elements to communicate with PHP Symfony-based endpoints
• Upgraded app's Xcode project to use CocoaPods for package management
• Integrated app build processes into Jenkins continuous integration server
• Improved Java Servlet-based push notification server to sending new product-specific APN types
• Managed Push Notification certificates across multiple development and production server instances

UrbanSitter

• Developed substantial portion of new secure messaging app, released to App Store 9/2/14; app uses proprietary encoding mechanism with 256-bit encryption to conceal images and text inside "envelope" images
• Built contact matching mechanism to compare device Address Book with senders/recipients of "Whoots"
• Built screens to compose and view "Whoots"
• Built screens to manage groups of senders/recipients, known as "Loops"
• Worked on integration of server built in Node.js and connected via AFNetworking

Whovoo

Senior iOS Co-Founding Engineer

• Worked on MyStream, a consumer-focused, native iOS app displaying feeds of trending content data from ShareThis analytics data; MyStream is written in new Swift programming language
• Codebase owner / designated support engineer for Socialize iOS SDK; framework enables social media integration into apps on the iOS platform with detailed analytics reporting; SDK connects to Socialize API via REST endpoints
• Performed visual/UI update of SDK for iOS 7, with class clustering logic used to load correct assets for device OS.
• Built iOS version of company's next-generation mobile social SDK, featuring enhanced analytics to cover the entire "loop" of social media sharing
• Implemented CocoaPods for package management of new SDK; performed large-scale revamp of existing SDK structure (200+ classes) to enable it to be deployed as a CocoaPod with multiple dependent projects
• Rebuilt and enhanced automated testing/mocking using GHUnit and OCMock, as well as code coverage reporting using Objective-C profiling and reporting tools gcov/lcov
• Implemented continuous integration for new SDK using TeamCity, with code coverage and testing exceeding 80% of codebase
• Coordination with Android SDK engineer to ensure equivalent functionality across both platforms

• Key engineer for UI development of company's flagship product, including mobile (iOS), web(Django/jQuery and PHP) and Adobe Flex (ActionScript) solutions
• Developed iOS app enabling customers to perform scanning and scan reporting activities via iPhone/iPad; submitted and approved by App Store 1/2013
• Worked on company initiative to build new Django/jQuery-based UI rewrite of legacy web PHP UI, including conversion of 60+ PHP screens to new framework with rich web interactivity and JSON-RPC access to product API
• Converted multiple application screens from legacy PHP/XSLT web framework to Adobe Flex
• UI developer for SCAP (Security Content Automation Protocol) module, a subsystem of main application that enabled government-compliant scanning using XML policy files to drive proprietary scanner; implemented several UI screens to support this functionality, which included XML file upload/download, GZIP compression, and Base64 encoding/decoding

nCircle - a Tripwire Company

Senior Software Engineer

• Worked on 4.0 release of SenSage Management Console, an administrator and data analyzer tool for Event Data Warehouse software product
• Developed framework and implementation for “wizard-style" Reports, enabling end-users to perform queries without knowledge of SQL
• Worked on Dashboard, a drag-and-drop-based layout tool for end-users
• Developed an implementation-agnostic framework to display tabular data, facilitating conversion from standard Java Swing JTables to more sophisticated tables built using third-part framework
• Worked closely with Director of User Experience to ensure robust technical implementation of usability designs, including alterations to look-and-feel

Sensage | a KEYW company

Software Consultant

• Worked on “COMET” (Compliance Operations Manager E-Tools, versions 3.0 and 4.0), a mutual fund portfolio compliance management system to replace legacy AS/400 product
• Developed significant portions of Time-of-Trade application, a real-time, high-availability compliance notification and violation-remedying console for use during trading hours
• Wrote numerous UI screens to display rule violation information; screens were coded using an XML-based framework for dynamic screen generation at runtime
• Implemented a framework to graphically display connections between various related business entities using JGraph charting API 
• Implemented generic adapter for a “nested table”, a Java Swing tabular component whose individual rows can be expanded tree-style to display child data; adapter allowed use of different components without exposing complexity to implementers
• Implemented various custom Swing components: a clickable multi-line tooltip; a multi-line table header; a renderer-type framework for components other than Swing tables and trees
• Implemented drag-and-drop on custom tabbed pane component

Fidelity Investments

Consulting firm specializing in UI development; clients included (see below): Wellington Management Company; Fidelity Investment; SenSage, Inc.

Holistic Ideas, Inc.

Principal

• Designed and wrote screens for Benchmark Rebalancing, a module for traders to set up, create and execute auto-generated trades used in rebalancing portfolios based on predefined guidelines
• Collaborated in development of data-object framework that allowed dynamic binding between UI components and data fields of a business object; framework allowed for easy creation of business-object-based tables, forms, and screens using a data object layer that could also be used by server-side components

Wellington Management Company

• Part of 200+ person development team on “Advantage” project, a trade entry, execution and clearing system for major investment banking unit of Bank of America

Bank of America

AVP/Consultant – Applications Development

• Part of large development team creating distributed trading applications for largest options exchange in North America; “Hybrid” application integrated Java UI and server technologies with existing mainframe and floor-based trading systems

David Jedeikin