Diogo Nunes

Senior Software Engineer at SumUp
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Contact Information
us****@****om
(386) 825-5501
Location
Porto, Porto, Portugal, PT
Languages
  • English Native or bilingual proficiency
  • Portuguese Native or bilingual proficiency
  • Spanish Elementary proficiency

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Daniela Dias

Diogo is one of the most hard working people I know. He is a fast learner and is always keen to learn new technologies and do new things. Loves a good challenge. He's a true puzzle solver.

Tiago Lira

I worked with Diogo in mobile app development for almost a year and I can attest that he is very competent in this field. I was frequently amazed at how he could dive in a new technology and return with an well-prepared solution in a very short time.

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Experience

    • United Kingdom
    • Financial Services
    • 700 & Above Employee
    • Senior Software Engineer
      • Feb 2022 - Present

      • Spearheaded the implementation and integration of complex business logic in KMM for the Sumup POS iOS app, resulting in improved scalability and increased efficiency in future development efforts. • Developed an iOS SDK for the Fivestars Loyalty program integration into the SumUp POS, resulting in improved user experience and increased revenue for clients.. • Collaborated effectively with the Integrations, Daily Operations, Hardware, and Transaction Teams at SumUp, ensuring timely and… Show more • Spearheaded the implementation and integration of complex business logic in KMM for the Sumup POS iOS app, resulting in improved scalability and increased efficiency in future development efforts. • Developed an iOS SDK for the Fivestars Loyalty program integration into the SumUp POS, resulting in improved user experience and increased revenue for clients.. • Collaborated effectively with the Integrations, Daily Operations, Hardware, and Transaction Teams at SumUp, ensuring timely and accurate resolution of technical issues and smooth communication across teams.. Show less • Spearheaded the implementation and integration of complex business logic in KMM for the Sumup POS iOS app, resulting in improved scalability and increased efficiency in future development efforts. • Developed an iOS SDK for the Fivestars Loyalty program integration into the SumUp POS, resulting in improved user experience and increased revenue for clients.. • Collaborated effectively with the Integrations, Daily Operations, Hardware, and Transaction Teams at SumUp, ensuring timely and… Show more • Spearheaded the implementation and integration of complex business logic in KMM for the Sumup POS iOS app, resulting in improved scalability and increased efficiency in future development efforts. • Developed an iOS SDK for the Fivestars Loyalty program integration into the SumUp POS, resulting in improved user experience and increased revenue for clients.. • Collaborated effectively with the Integrations, Daily Operations, Hardware, and Transaction Teams at SumUp, ensuring timely and accurate resolution of technical issues and smooth communication across teams.. Show less

    • Technology, Information and Internet
    • 1 - 100 Employee
    • Freelancer iOS Developer
      • 2019 - Present

    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Senior iOS Developer
      • Sep 2021 - Jan 2022

      • Implemented a medical app that allows practitioners to login into their hospital instance (canvas sandbox). • Developed a way for the practitioners to check their today’s appointments and their patient’s list. • Implemented a shortcut system using QR codes to allow practitioners to update patients information in a faster way. • Developed a dictation feature (HIPPA compliant) that transcribes what practitioners dictate about their patient medical information and allows to update the… Show more • Implemented a medical app that allows practitioners to login into their hospital instance (canvas sandbox). • Developed a way for the practitioners to check their today’s appointments and their patient’s list. • Implemented a shortcut system using QR codes to allow practitioners to update patients information in a faster way. • Developed a dictation feature (HIPPA compliant) that transcribes what practitioners dictate about their patient medical information and allows to update the current medical chart with that text. Show less • Implemented a medical app that allows practitioners to login into their hospital instance (canvas sandbox). • Developed a way for the practitioners to check their today’s appointments and their patient’s list. • Implemented a shortcut system using QR codes to allow practitioners to update patients information in a faster way. • Developed a dictation feature (HIPPA compliant) that transcribes what practitioners dictate about their patient medical information and allows to update the… Show more • Implemented a medical app that allows practitioners to login into their hospital instance (canvas sandbox). • Developed a way for the practitioners to check their today’s appointments and their patient’s list. • Implemented a shortcut system using QR codes to allow practitioners to update patients information in a faster way. • Developed a dictation feature (HIPPA compliant) that transcribes what practitioners dictate about their patient medical information and allows to update the current medical chart with that text. Show less

    • Portugal
    • Software Development
    • 1 - 100 Employee
    • Senior iOS Developer
      • Aug 2011 - Jan 2022

    • United States
    • Wellness and Fitness Services
    • Senior iOS Developer
      • Jan 2020 - Dec 2021

      Built the Sjogren's Tracker app from the ground up using Swift 5. Sjogren's Tracker an app that allows you to manage your chronic condition by tracking your symptoms, medication intake, and aggravators. Designed and implemented all the back end using Firebase. Built cool and reusable view components to be applied all across the app like data selectors, date pickers, cells, and more. Created visual representations for data using charts, reports, insights (helpful statistics, and… Show more Built the Sjogren's Tracker app from the ground up using Swift 5. Sjogren's Tracker an app that allows you to manage your chronic condition by tracking your symptoms, medication intake, and aggravators. Designed and implemented all the back end using Firebase. Built cool and reusable view components to be applied all across the app like data selectors, date pickers, cells, and more. Created visual representations for data using charts, reports, insights (helpful statistics, and summaries of your flares). Show less Built the Sjogren's Tracker app from the ground up using Swift 5. Sjogren's Tracker an app that allows you to manage your chronic condition by tracking your symptoms, medication intake, and aggravators. Designed and implemented all the back end using Firebase. Built cool and reusable view components to be applied all across the app like data selectors, date pickers, cells, and more. Created visual representations for data using charts, reports, insights (helpful statistics, and… Show more Built the Sjogren's Tracker app from the ground up using Swift 5. Sjogren's Tracker an app that allows you to manage your chronic condition by tracking your symptoms, medication intake, and aggravators. Designed and implemented all the back end using Firebase. Built cool and reusable view components to be applied all across the app like data selectors, date pickers, cells, and more. Created visual representations for data using charts, reports, insights (helpful statistics, and summaries of your flares). Show less

    • United States
    • Spectator Sports
    • 1 - 100 Employee
    • Senior iOS Developer
      • Aug 2020 - Aug 2021

      • Created an app for the UTR (an emerging global tennis player rating system) intended to produce an objective, consistent, and accurate index of player’s skills in the game of tennis. • Developed a reactive complex post score highly dynamic system with SwiftUI. • Implemented stripe and wepay as payment options for tournament registrations. • Implemented a chat that allows tennis players to connect between them and schedule future matches. • Implemented advanced analytics for… Show more • Created an app for the UTR (an emerging global tennis player rating system) intended to produce an objective, consistent, and accurate index of player’s skills in the game of tennis. • Developed a reactive complex post score highly dynamic system with SwiftUI. • Implemented stripe and wepay as payment options for tournament registrations. • Implemented a chat that allows tennis players to connect between them and schedule future matches. • Implemented advanced analytics for tournament organisers. Show less • Created an app for the UTR (an emerging global tennis player rating system) intended to produce an objective, consistent, and accurate index of player’s skills in the game of tennis. • Developed a reactive complex post score highly dynamic system with SwiftUI. • Implemented stripe and wepay as payment options for tournament registrations. • Implemented a chat that allows tennis players to connect between them and schedule future matches. • Implemented advanced analytics for… Show more • Created an app for the UTR (an emerging global tennis player rating system) intended to produce an objective, consistent, and accurate index of player’s skills in the game of tennis. • Developed a reactive complex post score highly dynamic system with SwiftUI. • Implemented stripe and wepay as payment options for tournament registrations. • Implemented a chat that allows tennis players to connect between them and schedule future matches. • Implemented advanced analytics for tournament organisers. Show less

    • United States
    • Advertising Services
    • 700 & Above Employee
    • Senior iOS Developer
      • 2019 - 2020

      • Created an Instagram stories-like feature that has live streaming, video, and images. Text overlays were also implemented, allowing user interactions like increasing font size with a pinch, rotation, panning, and more. • Developed interactive pins and map popups where each user or business would have a personal banner on the top of their head. Image, video, item, or live streaming. • Implemented stripe as a payment option for products and developed the entire checkout system for the iOS… Show more • Created an Instagram stories-like feature that has live streaming, video, and images. Text overlays were also implemented, allowing user interactions like increasing font size with a pinch, rotation, panning, and more. • Developed interactive pins and map popups where each user or business would have a personal banner on the top of their head. Image, video, item, or live streaming. • Implemented stripe as a payment option for products and developed the entire checkout system for the iOS side of the app. • Implemented a chat that allows users and businesses to communicate, including features as sending text, images, videos, gallery items, menu items, and product lists. • Helped implement the virtual billboards feature in AR mode. Show less • Created an Instagram stories-like feature that has live streaming, video, and images. Text overlays were also implemented, allowing user interactions like increasing font size with a pinch, rotation, panning, and more. • Developed interactive pins and map popups where each user or business would have a personal banner on the top of their head. Image, video, item, or live streaming. • Implemented stripe as a payment option for products and developed the entire checkout system for the iOS… Show more • Created an Instagram stories-like feature that has live streaming, video, and images. Text overlays were also implemented, allowing user interactions like increasing font size with a pinch, rotation, panning, and more. • Developed interactive pins and map popups where each user or business would have a personal banner on the top of their head. Image, video, item, or live streaming. • Implemented stripe as a payment option for products and developed the entire checkout system for the iOS side of the app. • Implemented a chat that allows users and businesses to communicate, including features as sending text, images, videos, gallery items, menu items, and product lists. • Helped implement the virtual billboards feature in AR mode. Show less

    • France
    • Retail Luxury Goods and Jewelry
    • 700 & Above Employee
    • Senior iOS Developer
      • 2018 - 2019

      • White-label iOS-based platform that held multiple clienteling apps for different fashion brands to be used by sales assistants inside stores. • Tag Heuer. Celine, Dior, and Bulgari were some examples of apps that were created using this platform. • White-label iOS-based platform that held multiple clienteling apps for different fashion brands to be used by sales assistants inside stores. • Tag Heuer. Celine, Dior, and Bulgari were some examples of apps that were created using this platform.

    • United States
    • Hospitals and Health Care
    • Senior iOS Developer
      • Jan 2016 - Dec 2017

      • Developed the data model and the app architecture. • Built an interface for iBeacon communication. • Developed the logic and architecture of the events that should be generated by the interaction (location/proximity) of the user with the iBeacons. • Implemented the app's user interactions and design. • Implemented different algorithms to enhance the reliability of the iBeacons signal and its interaction with the app's events/logic. • Developed the data model and the app architecture. • Built an interface for iBeacon communication. • Developed the logic and architecture of the events that should be generated by the interaction (location/proximity) of the user with the iBeacons. • Implemented the app's user interactions and design. • Implemented different algorithms to enhance the reliability of the iBeacons signal and its interaction with the app's events/logic.

    • United States
    • Software Development
    • 1 - 100 Employee
    • Freelancer iOS Developer
      • Jun 2014 - Jun 2015

      Software development of advanced solutions for mobile applications - Development of Prophit, a tool that will empower you to make quick business decisions based on real information. It can also be used to calculate profitable bids on the fly using only your smart phone. (iPhone) - Development of BoatDay (iPhone) - Development of TruckFood (iPhone) (under development) - Development of UsLikey updates (iPhone) (under development) - Development of Randid updates (iPhone) (under… Show more Software development of advanced solutions for mobile applications - Development of Prophit, a tool that will empower you to make quick business decisions based on real information. It can also be used to calculate profitable bids on the fly using only your smart phone. (iPhone) - Development of BoatDay (iPhone) - Development of TruckFood (iPhone) (under development) - Development of UsLikey updates (iPhone) (under development) - Development of Randid updates (iPhone) (under development) - Development of WIN Learning updates (iPhone) (under development) - Development in Knod, TopShelf and BeerPong projects. Show less Software development of advanced solutions for mobile applications - Development of Prophit, a tool that will empower you to make quick business decisions based on real information. It can also be used to calculate profitable bids on the fly using only your smart phone. (iPhone) - Development of BoatDay (iPhone) - Development of TruckFood (iPhone) (under development) - Development of UsLikey updates (iPhone) (under development) - Development of Randid updates (iPhone) (under… Show more Software development of advanced solutions for mobile applications - Development of Prophit, a tool that will empower you to make quick business decisions based on real information. It can also be used to calculate profitable bids on the fly using only your smart phone. (iPhone) - Development of BoatDay (iPhone) - Development of TruckFood (iPhone) (under development) - Development of UsLikey updates (iPhone) (under development) - Development of Randid updates (iPhone) (under development) - Development of WIN Learning updates (iPhone) (under development) - Development in Knod, TopShelf and BeerPong projects. Show less

    • United Kingdom
    • Design
    • 100 - 200 Employee
    • Contractor iOS Developer
      • Feb 2015 - Mar 2015

      Development of a new iOS app prototype for an ASOS.com Development of a new iOS app prototype for an ASOS.com

    • Portugal
    • Software Development
    • 1 - 100 Employee
    • Freelancer iOS Developer
      • Sep 2013 - Feb 2014

      Software development of advanced solutions for mobile applications - Development of We Are On a Boat, a social sharing app about boats: http://www.weareonaboat.com/ (iPhone) - Development of the new version of n-Receitas for Nestle, an app about recipes and all type of cook tools (iPhone/iPad). Software development of advanced solutions for mobile applications - Development of We Are On a Boat, a social sharing app about boats: http://www.weareonaboat.com/ (iPhone) - Development of the new version of n-Receitas for Nestle, an app about recipes and all type of cook tools (iPhone/iPad).

    • United States
    • Software Development
    • 1 - 100 Employee
    • Freelancer iOS Developer
      • May 2013 - Oct 2013

      Software development of advanced solutions for mobile applications - iOS application development to Nemetschek/BimPlus. bim+ Explorer and bim+ Connect. (iPhone/iPad) Software development of advanced solutions for mobile applications - iOS application development to Nemetschek/BimPlus. bim+ Explorer and bim+ Connect. (iPhone/iPad)

    • Portugal
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Freelancer iOS Developer
      • Mar 2013 - May 2013

      Software development of advanced solutions for mobile applications - iOS application development to Lisbon Municipal Council. To be released. (iPhone) Software development of advanced solutions for mobile applications - iOS application development to Lisbon Municipal Council. To be released. (iPhone)

    • Software Development
    • 1 - 100 Employee
    • Freelancer iOS Developer
      • Apr 2012 - May 2013

      Software development of advanced solutions for mobile applications - iOS application development for Sony Music. A complete solution showing music tops and artists information. (iPhone & iPad) - iOS application development for KPMG. A complete multi-documents reader (PDF). (iPad) - iOS application development for Sanofi (Upgrade Version). A complete document reader (PDF). (iPad) - Development of new features for Braintoss (iOS application). "Speak, snap or type your… Show more Software development of advanced solutions for mobile applications - iOS application development for Sony Music. A complete solution showing music tops and artists information. (iPhone & iPad) - iOS application development for KPMG. A complete multi-documents reader (PDF). (iPad) - iOS application development for Sanofi (Upgrade Version). A complete document reader (PDF). (iPad) - Development of new features for Braintoss (iOS application). "Speak, snap or type your thoughts & Braintoss will send it to your inbox. Braintoss helps you capture what you need to do or remember and sends it straight to your inbox. Now you can immediately get it off your brain but not forget about it!" http://braintoss.com/ (iPhone) Show less Software development of advanced solutions for mobile applications - iOS application development for Sony Music. A complete solution showing music tops and artists information. (iPhone & iPad) - iOS application development for KPMG. A complete multi-documents reader (PDF). (iPad) - iOS application development for Sanofi (Upgrade Version). A complete document reader (PDF). (iPad) - Development of new features for Braintoss (iOS application). "Speak, snap or type your… Show more Software development of advanced solutions for mobile applications - iOS application development for Sony Music. A complete solution showing music tops and artists information. (iPhone & iPad) - iOS application development for KPMG. A complete multi-documents reader (PDF). (iPad) - iOS application development for Sanofi (Upgrade Version). A complete document reader (PDF). (iPad) - Development of new features for Braintoss (iOS application). "Speak, snap or type your thoughts & Braintoss will send it to your inbox. Braintoss helps you capture what you need to do or remember and sends it straight to your inbox. Now you can immediately get it off your brain but not forget about it!" http://braintoss.com/ (iPhone) Show less

  • LANDKA
    • Porto Area, Portugal
    • Software Engineer - iOS Developer
      • Sep 2010 - Aug 2011

      - Mobile development (iOS for iPhone and iPad) - Master's Thesis/Internship Project specification and Development with the following subject: "Architecture Engineering Projects Applications on Mobile Platforms". - Mobile development (iOS for iPhone and iPad) - Master's Thesis/Internship Project specification and Development with the following subject: "Architecture Engineering Projects Applications on Mobile Platforms".

    • Portugal
    • Transportation, Logistics, Supply Chain and Storage
    • 700 & Above Employee
    • Freelancer Web Developer
      • Mar 2010 - Oct 2010

      FedEx Golf Fan Website/Game/Portal. Php and Mysql. FedEx Golf Fan Website/Game/Portal. Php and Mysql.

Education

  • Faculty of Engineering, University of Porto
    Master's degree, Informatics and Computing Engineering
    2006 - 2011
  • Catholic University in Porto
    The Art and Science of Music Mixing, Music Production
    2013 - 2013
  • ESMAE - Music and Arts School
    Production and Music Technology, Music Production
    2011 - 2014
  • Escola Secundária Carolina Michaëlis
    High School, Informatics Technological Course
    1997 - 2006
  • Rumos
    Flash Animation Programmer, Adobe Flash
    2003 - 2003
  • Rumos
    Junior Programmer, Web Programming
    2002 - 2002
  • Unicenter
    Master Internet Course, Windows, Java Script, Outlook, Internet Explorer, Photodraw e Frontpage
    2001 - 2002

Community

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