Marco Abundo
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Marco Abundo Email & Phone Number

Senior iOS engineer at UnitedHealth Group (Optum Digital) at Freelance
Location: San Francisco, California, United States 9 work roles 1 school
1 work email found @uhc.com 2 phones found area 415 and 904 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email m****@uhc.com
Direct phone (415) ***-****
LinkedIn Profile matched
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Current company
Role
Senior iOS engineer at UnitedHealth Group (Optum Digital)
Location
San Francisco, California, United States

Who is Marco Abundo? Overview

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Quick answer

Marco Abundo is listed as Senior iOS engineer at UnitedHealth Group (Optum Digital) at Freelance, based in San Francisco, California, United States. AeroLeads shows a work email signal at uhc.com, phone signal with area code 415, 904, and a matched LinkedIn profile for Marco Abundo.

Marco Abundo previously worked as Senior iOS engineer at Unitedhealth Group and iOS Developer at Expedia, Inc.. Marco Abundo holds B.S., Imaging Science from Rochester Institute Of Technology.

Company email context

Email format at Freelance

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{first}_{last}@uhc.com
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AeroLeads found 1 current-domain work email signal for Marco Abundo. Compare company email patterns before reaching out.

Profile bio

About Marco Abundo

Ambitious, passionate, and pragmatic iOS developer with a commitment to clean design and robust code.Specialties: iOS SDK, Swift, SwiftUI, Xcode, Interface Builder, RESTful web services integration, MapKit, Core Data

Listed skills include Objective C, Agile Methodologies, Ios Development, Xcode, and 21 others.

Current workplace

Marco Abundo's current company

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Freelance
Freelance
Senior iOS engineer at UnitedHealth Group (Optum Digital)
San Francisco, CA, US
AeroLeads page
9 roles

Marco Abundo work experience

A career timeline built from the work history available for this profile.

Role listed

Freelance

San Francisco, CA, US

Senior Ios Engineer

Current

US

Team member architecting new features in UHC's Rally iOS app, to include:- Health Survey, generating personalized recommendations based on overall health score- Find Care, locating hospitals, specialists and treatment facilities, both in and out of network- Viewing digital medical ID card and plan details- Integrating RESTful API for new features- Writing.

Feb 2016 - Present

Ios Developer

Seattle, WA, US

Team member on the iOS team in Expedia. This means tackling engineering challenges around Expedia's flagship iOS app and rolling out features and bug fixes. Projects/roles included:- Integrating Apple Pay into the app- Integrating new web API for typeahead and current location searches- Writing unit and UI tests in Swift- Analytics tracking and A/B.

Jul 2015 - Jan 2016

Senior Software Engineer

Cupertino, California, US

  • Design, development and maintenance of iLog, an internal OS X CRM application used by members of the AppleCare support team.
  • Work with several teams to integrate with large scale distributed web services
  • Own and review deliverables for accuracy, performance and completeness
  • Work with project managers and technical teams in a cross-functional environment, to implement quality products that met business goals
  • Design and implement next-generation application via modular service-oriented architecture.
  • Handle app-to-app integration, including launch, service discovery and socket-based communication.
Jul 2014 - Jun 2015

Senior Ios Developer

Hotwire
  • Spearheaded the creation of the company's flagship iOS application, Hotwire Hotels app.
  • Executed design cycle from concept to coding to shipping universal iOS app
  • Conceptualized user experience and graphical user interfaces
  • Implemented hotel search, booking, user sign-in, input validation, and list and map views including overlays for neighborhoods.
  • Set up automated testing with KIF iOS integration testing framework
Jan 2012 - Jun 2014

Front-End Ios Engineer, Contract

New York, NY, US

Team member on StubHub's Event Discovery project. Developed ConcertFinder iPad app, an event and artist discovery app which consumes JSON from RESTful web services. Implemented tab-based navigation interface, event search, Facebook sharing of events, in-app personalization settings, music library scanning and suggested itinerary based on location.

Jul 2011 - Dec 2011

Founder, Developer

Shrtlist

I have been immersed in the iOS ecosystem since mid-2009, publishing multiple apps on the App Store and open-source projects on GitHub (username: shrtlist).

Dec 2009 - Jul 2010

Web Support Engineer

San Francisco, California, US

Provided 20-member help desk team Level II/III technical support to resolve advanced, escalated issues for Wells Fargo online banking customers. Other responsibilities included OS customization, certificate maintenance and setting up server support.

May 2005 - Sep 2009

Web Engineer

Oakland, California, US

Responsible for 24x7 monitoring and support of WebLogic environments for PG&E's customer-facing bill payment web application. Coordinated technical activities among developers, internal clients and 3rd-party vendors.

Aug 2002 - Sep 2004
1 education record

Marco Abundo education

  • Rochester Institute Of Technology
    Rochester Institute Of Technology
    Imaging Science
FAQ

Frequently asked questions about Marco Abundo

Quick answers generated from the profile data available on this page.

What company does Marco Abundo work for?

Marco Abundo works for Freelance.

What is Marco Abundo's role at Freelance?

Marco Abundo is listed as Senior iOS engineer at UnitedHealth Group (Optum Digital) at Freelance.

What is Marco Abundo's email address?

AeroLeads has found 1 work email signal at @uhc.com for Marco Abundo at Freelance.

What is Marco Abundo's phone number?

AeroLeads has found 2 phone signal(s) with area code 415, 904 for Marco Abundo at Freelance.

Where is Marco Abundo based?

Marco Abundo is based in San Francisco, California, United States while working with Freelance.

What companies has Marco Abundo worked for?

Marco Abundo has worked for Freelance, Unitedhealth Group, Expedia, Inc., Apple, and Hotwire.

How can I contact Marco Abundo?

You can use AeroLeads to view verified contact signals for Marco Abundo at Freelance, including work email, phone, and LinkedIn data when available.

What schools did Marco Abundo attend?

Marco Abundo holds B.S., Imaging Science from Rochester Institute Of Technology.

What skills is Marco Abundo known for?

Marco Abundo is listed with skills including Objective C, Agile Methodologies, Ios Development, Xcode, Ios, User Experience, Mobile Applications, and Rest.

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