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Antonio Bello

Antonio Bello

Chrzanow, Poland
Member since April 8, 2013
Antonio is an experienced, self-motivated, results-driven, flexible freelance professional who specializes in turning business ideas into software solutions. He covers the entire software development life cycle, from concept to final product, using the best technologies.
Antonio is now available for hire
  • C++, 20 years
  • C, 20 years
  • Java, 16 years
  • C#, 13 years
  • .NET, 13 years
  • JavaScript, 10 years
  • Objective-C, 4 years
  • Node.js, 4 years
Chrzanow, Poland
Preferred Environment
Xcode, AppCode, IntelliJ IDEA, Visual Studio
The most amazing...
...service I've built is the best and most used Italian free SMS service, which is capable of sending up to 700,000 SMS per day.
  • Owner, Software Engineer
    2004 - PRESENT
    • Created desktop-based applications to interface with and gather data from a laser-induced plasma spectrometer (LIPS) and an electronic microscope, perform analysis on input data, and submit results to a remote web service. The LIPS application is used to determine the chemical composition of the observed sample, whereas the microscope application reconstructs an interactive 3D model of the analyzed surface (C#, WinForms, OpenGL).
    • Developed an event organizer to record and report the organizational information related to events, such as races and marathons (ASP.NET 4, C#, SQL Server).
    • Implemented a framework to parse RSS and Atom feeds and import articles into a Goss iCM CMS, designed to be easily extensible to other feed types. Also implemented a bulk user import procedure to scan CSV files, find matches between CSV content and CMS fields, check for data errors, and import users into the CMS (ASP.NET 2.0, C#, SQL Server).
    • Developed the course administration/management module for an e-learning system built on top of the Kentico CMS (C#, ASP.NET 2.0).
    • Worked on several projects for a mortgage company to improve internal processing/task automation, many of which were created as proofs of concept and mostly with Google-related technologies (Apps Script, AppEngine, GWT, Android, Django, MS Access .NET, JSF, Google Data Library, Encompass, Java, C#, Python, VBA, JavaScript).
    • Created an App Engine Java application to pull data from an Encompass database (via MS Access and scheduled upload to/synchronization with Google Data Store) and display detailed employee/branch/company statistics, with automatic page rotation and optimization for full screen LCD TVs (App Engine, Java, JSF, MyFaces, jQuery, jQueryUI).
    • Created a web-based calendar/scheduler to pull data from an Encompass instance and publish details and totals (ASP.NET, C#, SQL Server, Encompass).
    • Developed a web-based application to send SMS messages, manage contacts and group lists, and buy and manage credit (Java, J2EE/JEE, JSF, IceFaces, MySQL).
    • Implemented a Windows mobile order entry application, ported from an existing C++ application (C#, Windows Mobile, SQL Server Mobile).
    • Re-engineered a costs and sales management application for a large Italian paper mill company/group (MS Access, VBA).
    • Developed an online monitor for credit repair software which gathered data from clients and provided real-time statistics (PHP, MySQL).
    • Created a database-driven website to search and filter a mortgage database as well as target loan officers (ASP.NET, C#, SQL Server).
    • Developed a web-based interactive door designer which allowed users to design and order doors (ASP.NET, C#, MSSQL).
    • Developed a database-driven company website with protected areas for forum discussion and more (ASP.NET, DotNetNuke, C#, SQL Server).
    • Created a job board specifically targeted at game designers and developers for the Canadian market (PHP, MySQL).
    • Developed an ad banner management system consisting of an administrative interface for publishers and advertisers and a banner engine responsible for banner provisioning (Java, J2EE, JSP, MySQL).
    • Created a website/service for a print, warehousing, and distribution service company which enabled users to order online and track previous/pending orders, and personnel to process orders (ASP.NET, C#, SQL Server).
    • Commissioned by the Newcastle Youth Council (UK) to develop a web portal with simple-to-use CMS and able-to-send SMS, ringtones, logos and WAP-push messages (ASP.NET, C#, SQL Server).
    • Developed a Windows Mobile order entry application for resellers/distributors of ice cream/frozen products. After initial development and release of version 1.0, the product evolved by gaining hundreds of new features over its 10 years of existence (C/C++, MFC, Windows CE).
    Technologies: Swift, Objective-C, C/C++, C#, Java, JavaScript, CoffeeScript, PHP, Python
  • Software Engineer
    2017 - 2017
    Apps for Gaps (via Toptal)
    • Worked on an app to discover stores around you with your favorite brands.
    Technologies: iOS, Swift, MapKit
  • Software Engineer, iOS developer
    2017 - 2017
    ILF Mobile Apps (, via Toptal)
    • Worked on a private messaging app (voice and text) and secure vault for images and videos.
    Technologies: iOS, Swift, VoIP, encryption, messaging
  • Software Engineer
    2017 - 2017
    Brave (, via Toptal)
    • Maintained an existing app (not yet launched) for connecting people that need help with people who can volunteer to provide it.
    • Fixed bugs on the app.
    Technologies: iOS, Node.js
  • iOS developer
    2017 - 2017
    MindTrust Labs (, via Toptal)
    • Worked on a medical app to track sensorial and motor activities for child patients.
    Technologies: iOS, Swift
  • Software Engineer
    2017 - 2017
    Social Scan (via Toptal)
    • Maintained the app by adding new features and fixing some problems.
    Technologies: Swift, iOS
  • iOS Software Engineer
    2016 - 2016
    Contra (; via Toptal)
    • Contributed to Contra, a social opinions platform.
    • Helped improve the app, add new features, and fix bugs.
    Technologies: iOS, Objective-C, Node.js, JavaScript
  • iOS Software Engineer
    2016 - 2016
    Keepy (; via Toptal)
    • Contributed to Keepy, a kids’ artwork, schoolwork, and mementos organizer.
    • Helped improve the app and fix some bugs.
    Technologies: iOS, Swift, Objective-C, Node.js, JavaScript, MySQL
  • iOS Software Engineer
    2016 - 2016
    Blue Lasso (; via Toptal)
    • Contributed to Blue Lasso, an iPad client for a training and advisory service, focusing on projects, people, and planning tools.
    • Added new features and fixed bugs.
    Technologies: iOS, Swift, iPad
  • Freelance Software Engineer
    2014 - 2016 (
    • Implemented a task/goal tracking service.
    • Worked with beacons to implement basic indoor positioning.
    • Created a watchOS app to start/stop trackers, linked to the iOS app.
    • Designed and implemented a Node.js back-end, exposing REST APIs.
    • Developed the iOS app.
    Technologies: iOS, tvOS, watchOS, Node.js, MongoDB, Swift, Objective-C, CoffeeScript, Beacons
  • Freelance Software Engineer
    2013 - 2016
    ByteFactory (
    • Fixed bugs and made improvements on a dating service with clients for both iOS and Android and a Java/Spring-based back-end.
    Technologies: Objective C, iOS, Android, Java, JavaScript, Spring, MongoDB
  • iOS Software Engineer
    2015 - 2015
    RAD Fitkey (; via Toptal)
    • Contributed to RAD Fitkey, a body measurement app to create a body profile with just three pictures.
    • Joined the team for bug fixing and for adding new features.
    Technologies: iOS, Swift
  • iOS Software Engineer
    2015 - 2015
    Crowdservice (; via Toptal)
    • Contributed to Crowdservice, a platform for customers to post tasks where providers can bid and do the task when selected.
    • Helped fix bugs and add new features.
    Technologies: iOS, Objective-C, PHP
  • Freelance Software Engineer
    2015 - 2015
    PooledHouse (; via Toptal)
    • PooledHouse is a service to track jobs, tips, and earnings.
    • Designed the architecture and developed an iOS app for jobs and tips/earnings management.
    Technologies: iOS, Swift,, Google Maps, JavaScript
  • CTO, Software Engineer
    2012 - 2015
    Ubersimple, LLC (
    • Designed the high-level architecture of a mobile service used to share lists of apps and digital business cards.
    • Implemented the server in Node.js, using both Javascript and CoffeeScript.
    • Implemented the native iOS client app, written in Objective C and Swift.
    • Implemented the native Android client app, written in Java.
    Technologies: Java, Objective-C, JavaScript, CoffeeScript
  • Freelance Software Engineer
    2014 - 2014
    Burnbook (via Toptal)
    • Designed the architecture and developed the iOS app for anonymous posting at Mashable (
    • Began development in Objective-C, later progressively replaced by Swift for new features.
    Technologies: iOS, Objective C, Swift,, JavaScript
  • Freelance Software Engineer
    2013 - 2013
    • Created new features and fixed bugs on a previously developed app, whose purpose is to promote a healthy lifestyle.
    Technologies: Objective C, iOS, Node.js, JavaScript
  • Analyst, Lead Developer
    2003 - 2003
    AG Team S.r.l. (
    • Redesigned an existing COBOL ERP application in Java/J2EE.
    • Performed maintenance on a Windows CE order entry application.
    Technologies: Java, C++
  • Project Leader, Analyst, Senior Developer
    1997 - 2002
    Ksolutions S.p.A.
    • Created the first and most popular Italian free SMS service (Kataweb FreeSMS).
    • Involved in strategic/pilot workforce management projects using mobile technologies (commissioned by the largest Italian mobile operator and railway company).
    • Designed and developed applications on a variety of mobile platforms, such as Apple Newton, Palm Pilot, and Windows CE.
    • Designed and implemented an SMS engine to target Windows CE platforms, capable of sending and receiving SMS using a GSM card/mobile phone connected to the device.
    Technologies: C/C++, Java, Pascal, SQL, PL/SQL, HTML, XML, NewtonScript
  • IT Consultant
    1996 - 1996
    Zappalà S.p.A.
    • Designed and implemented a controller for product delivery automation, identifying products by reading bar codes from a conveyor belt, assigning a client/destination basing on an orders database, and routing them accordingly.
    Technologies: C++
  • Languages
    SQL, HTML, C#, Objective-C, C, Java, Swift, JavaScript, C++, CoffeeScript
  • Frameworks
    ASP.NET, iOS SDK, .NET, Android SDK
  • Libraries/APIs
    Node.js, Microsoft Foundation Class Library (MFC), OpenGL, jQuery UI, jQuery
  • Tools
    Git, Subversion (SVN), Adobe Photoshop, CVS
  • Paradigms
    Object-oriented Programming (OOP), Agile Software Development, Test-driven Development (TDD)
  • Platforms
    Windows, iOS, Java EE, Linux, watchOS, Android, tvOS, Oracle
  • Storage
    MongoDB, MySQL, Microsoft SQL Server, PostgreSQL
  • (Not completed) Bachelor's degree in Computer Science
    1988 - 1995
    University of Pisa - Pisa, Italy
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