Daniel Munoz, Developer in Berlin, Germany
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Daniel Munoz

Verified Expert  in Engineering

Software Developer

Berlin, Germany
Toptal Member Since
March 24, 2014

Daniel has over 10 years of experience developing mobile apps. He has built all kinds of applications—from dating apps to medical apps. He has a passion for developing engaging, state-of-the-art apps that push the limits of technological capabilities.



Preferred Environment

Xcode, MacOS, iOS

The most amazing...

...project I've worked on is an electronic medical record system to manage information for over 7,000 patients on a set of nine apps for a medical center.

Work Experience

Senior iOS Engineer

2021 - PRESENT
  • Developed new features of the Issuu iOS app within a cross-functional team.
  • Oversaw the continuous integration pipeline and releases.
  • Coordinated the UX design for refactoring new versions of the iOS app.
Technologies: iOS, Swift, Firebase, User Experience (UX)

Mobile Engineer (iOS)

2018 - 2021
  • Worked on one of the product teams that took care of implementing different new features within the app.
  • Managed the release of different versions of the LOVOO app to the App Store.
  • Oversaw the modernization of tracking and routing libraries to be shared amongst different platforms.
Technologies: Swift, iOS, UIKit, RxSwift

Lead iOS Developer

2017 - 2018
Jalasoft, Inc.
  • Led the iOS team, coordinating the new implementation of apps.
  • Build the JumpTrack Swift app from scratch, based on the old Objective-C version.
  • Worked on the integration of external Bluetooth barcode scanners and worked on the design of the API for ScanIt.
Technologies: Objective-C, Swift, iOS

iOS Developer

2014 - 2015
  • Worked on an in-house app used by election officials in the US. It makes heavy use of Core Data and network requests.
  • Optimized Core Data in order to have faster calculations.
  • Worked with another developer in a different country, fixing issues and implementing new features.
  • Improved the use of a barcode scanner using the iPad camera.
Technologies: Objective-C, iOS

iOS Developer

2013 - 2014
Xerox (via ZIA Consulting)
  • Worked as part of the team that developed the Xerox Fresh Docs app.
  • Worked on the development team of the utility app used to browse a CMIS repository. Used Alfresco to fork and open source the app code.
  • Designed and implemented a secure login solution for enterprise apps using client/server-side token authentication.
Technologies: MySQL, Objective-C, iOS, Xerox DocuShare

iOS Developer

2013 - 2014
Pfizer (via Brown Bag Marketing)
  • Developed an app with the app-within-an-app concept aimed at sales for Pfizer representatives.
  • Helped create a custom company framework to support multiple apps currently under development within the company.
  • Developed multiple apps to support sales staff in pitching new clinics to join Pfizer programs.
  • Implemented client-side code to manage database queries.
  • Worked on the design of different UI elements for different apps.
Technologies: Core Data, Objective-C, Cocoa Touch

Telecommunications Software Engineer

2010 - 2013
Nuevatel PCS de Bolivia S.A.
  • Designed and developed VIVA Smart App, allowing VIVA's clients to manage the data account of their iOS devices.
  • Worked on the team that developed V-ONE, a business support service to manage prepaid and postpaid accounts. Designed the system to hold a load of approximately 7,000 simultaneous requests and connections.
  • Contributed to the development of an SMS center. Designed and implemented multiple back-end web services for different applications within the company.
  • Participated in weekly team meetings to design UI and UX for new projects.
  • Attended Apple WWDC 2012 as a company representative.
Technologies: PHP, C++, Shell Scripting, MySQL, Java, Objective-C, iOS

Consultant for Software Development Projects

2010 - 2012
Direct Relief
  • Designed and developed a location-aware medical record system for the "Vivir con Diabetes" diabetes center.
  • Developed a set of seven iPad apps to manage all patient information on the clinic. Used iPads to serve as clients of the Java-implemented back end.
  • Oversaw the transition of the "Vivir con Diabetes" center to Mac computers.
Technologies: MySQL, Java, Objective-C, iOS


Won a grant from the World Diabetes Foundation to implement a research program based on educational mobile apps to help reduce obesity in children. This project was implemented on iPads and deployed across schools.


GoodOne inspires individuals to feel good about life through inspirational daily challenges called Daily Do's. These challenges are designed to push people to engage every day with themselves and people around them. The more meaningful a connection you create, the better you feel. Based in life experience and a body of research called positive psychology, GoodOne works on enhancing certain positive character traits to make you feel better, more present, and more aware.


GymTimer is a Fitness App for the Pebble Smartwatch that works as a timer for workouts in the gym.

Xerox DocuShare

A CMIS client developed for Xerox. It allows customers to access business data securely, complying with IT departments.

ViVA Smart

An app created for a telecommunications company that allows its customers to manage their data accounts.

Spacecraft Mode

Award winning app of the 2014 NASA Space Apps Challenge.
An app that aims to increase the interest in space exploration. The commercial version is currently under development.


PebbMorse is an app for Pebble Smartwatch that aims to help visually impaired people use watch. This app has a feature called "VibeOver" that translates the content on-screen to Morse Code using the Pebble's vibrator.

Other Projects

A more comprehensive portfolio available in PDF form.
2003 - 2009

Bachelor's Degree in Computer Engineering

Universidad Catolica Boliviana - Cochabamba, Bolivia


Firebase iOS SDK, Core Animation, Google Maps, RxSwift, Facebook API


Xcode, Adobe Illustrator, Sketch, Git


iOS SDK, Cocoa Touch, JSON Framework for Objective-C, MapKit, Core Data, RestKit, UIKit


Model View Controller (MVC), App Development, Distributed Programming, Agile Software Development, REST, Event-driven Programming, Test-driven Development (TDD)


Swift, Objective-C, Swift 5, C, C++, PHP, Java


iOS, Firebase, MacOS, Xerox DocuShare


Firebase Realtime Database, SQLite, MySQL


iPhone, App Store, Unix Shell Scripting, User Interface (UI), SOAP, Shell Scripting, User Experience (UX)

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