Top Upwork Freelancers

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  1. Matias Pequeno

    Matias Pequeno

    Senior iOS Architect | 15 Years of Experience

    United States - Tests: 10 - Portfolio: 14

    Energetic, passionate and creative Engineer with over 15 years of experience in the Software Industry. Currently the iOS Architect at Lyft, was a key player in rebuilding the entire application infrastructure in Swift, from scratch, to meet the demands of an incredibly successful service in need of constant evolution. With over 45 products published in its portfolio, he successfully Founded and Co-Owned three Software Development companies that were later sold to U.S. and European companies, he performed key roles on the two most acclaimed Massively Multiplayer Online Games in Latin America. Handled clients critical to the success and growth of the companies he worked at, and successfully led projects published worldwide from concept to product often receiving local and international awards. He represented his companies on numerous Newspapers and Magazine publications as well as local TV Shows. Also exceptionally versatile, he often takes charge of project management, technical/programming direction, product design and script writing. Seeking an iOS Engineering freelance position, working from distance where a strong programming record with expertise in iOS, Objective-C or Swift is required.

    $95.00 /hr
    3,548 hours
    5.00
  2. Mashhood R.

    Mashhood R.

    Fullstack Developer - Javascript, Angular, Node, Scala, iOS

    United Kingdom - Tests: 6 - Portfolio: 12

    Thanks for stopping by. I am Mashhood and I like to spend my days thinking up effective solutions and writing code to implement them. These days I am busy building applications with Scala, JavaScript, Node.js & AngularJS. I enjoy technical challenges and love to be involved in all stages of product development. My ideal collaborator is an early stage startup looking for serious development creds. I graduated from University College London in 2012 with a bachelors in Computer Science. I have worked for several venture funded startups both onsite (California and London) and remote. I have been professionally developing for 7 years. I am a TDD believer and prefer use it whenever possible. I use version control for all of my projects and am a big fan of automating tedious tasks and use grunt and bower in all web development projects.

    $50.00 /hr
    1,198 hours
    5.00
  3. Igor Z.

    Igor Z.

    Ruby on Rails, AngularJS, Ruby, CoffeeScript, jQuery, SQL

    Belarus - Tests: 3

    Over 3 years of development gave me great experience. For this period I've developed a lot of projects using different approaches and technologies. Worked on Ruby on Rails more than last two years. Backend + frontend (JS/jQuery, HTML, CSS/SCSS). Have great experience with AngularJS, Twitter Bootstrap. Can provide good solutions for existing sites or create them from scratch.

    $25.00 /hr
    314 hours
    4.58
  4. Denis Dantsev

    Denis Dantsev

    JavaScript / Unity 3D developer

    Ukraine - Tests: 1

    For last 5 years I have developed a generous amount of Web services, Web/Native Mobile games. Using: - Front-End stack: Javascript/CoffeeScript, AngularJS, BackboneJS, CreateJS, Goggle Appscript - Backend stack: NodeJS (express, mongoose) - Native stack (Unity 3D) - Hybrid stack (PhoneGap / HTML5) Interested in challenging projects and tasks. Also can help with the team assembly of any kind.

    $25.00 /hr
    304 hours
    4.70
  5. Viktor Naryshkin

    Viktor Naryshkin

    Windows Phone expert

    Ukraine - Tests: 3 - Portfolio: 20

    I'm TOP-rated Windows Phone expert on upwork and I'm open for new projects I'm degreed in Computer Science and have 7 years of background in C#., NET , Silverlight, WPF (upwork verified). In the last five years, I have been involved in Windows Phone apps development for a small and big customers. Great experience in Windows Phone allow me to make quality and high-performance applications for my clients. I'm interested in: Windows Phone 7.x Windows Phone 8.0 and 8.1 Silverlight Windows Phone 8.1 XAML Windows Phone Universal apps that target Windows and Windows Phone Windows 10 Mobile Port iOS to Windows Phone Port Android to Windows Phone If you need a skillful mobile developer, I will be glad to work with you. I'm provide safe outsourcing services, secure processes, and top quality results for your business. Strongest skills: A deep familiarity with C# and XAML Experience working with push notifications, live tiles and Windows Phone SDKs Experience with third-party libraries and APIs Solid understanding of the full mobile development life cycle

    $35.00 /hr
    528 hours
    4.98
  6. Vladimir Potapenko

    Vladimir Potapenko

    Project manager in Magora Systems, Software Development Company

    Russia - Tests: 5 - Portfolio: 20

    I am a Project Manager in Magora Systems, software development company based in Russia. I am a part of a big team that includes professional developers, QA, designers, project managers and architects. I provide consultations and manage works regarding web, desktop and mobile development for both large and small IT projects. I am here to make sure that we provide professional and high quality development and communication services. I'm fluent in both written and spoken English.

    $45.00 /hr
    997 hours
    5.00
  7. Douglas Spence

    Douglas Spence

    Skilled UK Developer - T-SQL, C#, VB, Delphi, OOP

    United Kingdom - Tests: 9

    I live on a sailing yacht I am preparing to cruise with and am working to be able to travel and earn a living at the same time. I am very motivated to achieve this through online freelancing.I have extremely strong technical skills and always enjoy being challenged to expand my knowledge and develop those skills further. I started programming over 20 years ago when I was 14 and knew immediately it would be my future career.

    $27.78 /hr
    4,739 hours
    5.00
  8. Alex Vanov

    Alex Vanov

    Just done it

    Russia - Tests: 13 - Portfolio: 1

    [no skype interviews, no online tests and example jobs, etc, but just code, deeds and fulfilments] I have 7+ years Python experience (and some java, tcl, javascript, but prefer python strongly). I'm good in developing and creating complex web architectures, various APIs handling and creation, data processing (xml/html/xpath/custom formats), web crawlers and data miners, python-based services, e.t.c. I have developed a wide range of websites using Python with Django/Flask, and Google App Engine including sites for B2B solutions, startup companies and small but growing businesses. Also i have experience in the following areas: Storage Area Networks, backup solutions, applications clustering, SQL, os administration, shell scripting, software design and testing, but atm this is only a background, cause of I love Python coding. I'm a reliable and responsible programmer, so am I seeking opportunities to help and support Your business.

    $25.00 /hr
    519 hours
    4.94
  9. Saul H.

    Saul H.

    Java/C++/.Net Software Engineer/developer/integrator/consultant

    Venezuela - Tests: 3

    Knowledge Areas and skills Custom Software Development, POS, intranet system, administrative systems and integration with intelligent software solutions consolidate, organize and centralize amount of information located in different divisions and departments, so that executives make decisions about payments, suppliers , prices, materials management, promotions, etc. Algorithms and programming skills, strong knowledge of C/C++ and Java. Strong knowledge of data structures, strings, sorting, arithmetic and algebra, combinatorics, number theory, backtracking, graph traversal, Algorithms for graphs, dynamic programming and computational geometry. Accounting area, experience in handling all movement of materials between stores and shops, all the accounting related to its retail. Point of sale Area, experience with integration between POS software and label printers, fiscal printers, barcode readers, fingerprinter and keyboards for point of sale. Oriented Object Programming and Low-level: exprienced in Java and C/C++/C#. QT libraries and Visual Basic. Scientific Programming: Matlab. IDES: Intellij Idea, Eclipse, Netbeans, Kile, Quanta. Servers: Apache-Tomcat. Functional Programming and AI: Haskell and Prolog. Database: MySql Oracle, Postgres, SQL Server and FoxPro. Web Development/Frameworks: Php, Struts, Vaadin, ZK, html and css.

    $30.00 /hr
    1,808 hours
    5.00
  10. Kirill P.

    Kirill P.

    Asterisk Expert and System Administrator

    Russia - Tests: 10

    I work on IT more than 12 years. VOIP/Asterisk Developer, Expert System Administrator and Network Administrator, Perl Programmer. Generally, I develop solutions based on Asterisk and speech technologies (speech synthesis and speech recognition systems), complex IVRs, integration with external sources and databases, custom click-to-call and callback systems, etc. I prefer custom development for Asterisk and FreeSWITCH. Usually, I use Perl for development. I have huge experience in solutions based on Asterisk such as FreePBX, Elastix, Trixbox, vicidial, etc. Also I support critical 24x7 systems, administration networks and servers, perform IT consulting, etc.

    $25.00 /hr
    10 hours
    5.00