• Created and maintained a protocol-oriented (PoP) Swift client SDK that exposed and streamlined the use of PubNub’s real-time cloud infrastructure; generates millions of API calls per month• Developed unidirectional state management framework using ReSwift (based on Redux flow) & Combine to manage local PubNub state along with a SwiftUI reference application to model best architectural and design practices• Company wide Apple platform domain expert providing guidance on design & functional best practices, latest technology trends, and proposed solution improvements to both internal stakeholders and external customers• Worked with stakeholders to estimate, prioritize, and develop real-time Chat solutions (Swift & Objective-C) for iOS: UI & Data component frameworks (UIKit/SwiftUI & Combine + Core Data), blogs, tutorials, and sample apps• Provided technical leadership, mentorship, and guidance to a fully remote, international team of 8 engineers, and coordinated feature compatibility and development across aligned iOS, Android, and web (React) deliverables• Created new-hire onboarding process that provided targeted training on supported APIs, was fully integrated into team’s agile process, and provided valuable usage feedback to developers and stake-holders• Worked across team and service boundaries to mitigate large risks, determine architectural strategies, and solve complex problems

• Technical iOS Lead responsible for architecture and direct development of 5 Public Safety apps and 2 SDKs  ◦ Reactive Swift/Obj-C app suite with shared ‘App Group’ data (Realm, UserDefaults, Keychain)  ◦ Push-to-talk using mix VoIP-socket/PushKit integration, and real-time audio streaming  ◦ Cross-platform XMPP based messaging with support for audio, video, and file based attachments  ◦ Real-time location-based map tracking using Esri’s ArcGIS mapping library and CoreLocation  ◦ SDKs and App Extensions to provide core functionality to third-party developers and apps• Automated CI/CD process to test, build, and release multiple apps to App Store, Enterprise white-labeling, and releasing SDKs to Cocoapods and as static binary• Assists in architecting scalable server-side REST, WebSocket, SCIM, and XMPP based APIs supporting mobile/web apps and services• Collaborate with business and customers to translate technical challenges & limitations into feasible requirements, and provide roadmap estimations for future features

• Technical lead of ~4-8 person project team creating mobile/web personal health management   ◦ Developed 3 iOS & 2 Android mobile apps, mobile libraries packaged using CocoaPods/Maven, service, and numerous supporting web applications and RESTful services   ◦ Made full-stack architectural decisions that balanced the needs of mobile and web-based platforms• Drove projects by creating code specifications & tech docs, controlled scope, being accountable for software design & code quality, and ensuring tasks are delivered on time for all engineers on the project• Directed work efforts & results for other engineers; developed team through goal setting, performance reviews, career development planning, and modeling writing readable, reusable, & maintainable code• Awarded title of “Distinguished Engineer” for being ranked in top percentile of engineers company-wide

• Developed Django based web applications and services to assist congressional members and their staff.• Designed and developed web application to track the status of legislative bills & resolutions using Angular and Django REST framework. • Optimized speed and efficiency of Apache Solr search index, and developed its corresponding web-client.

• Created web application to visualize and manipulate graph algorithms by altering GPS data plots using Google Maps• Assisted with researching resilient, survivable, and disruption tolerant networks.

• Developed Java web applications and services using the Spring framework.• Converted Flash applications to mobile-friendly HTML5/Javascript based components