Top Upwork Freelancers

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Stephen F.

Stephen F. Agency Contractor

Senior Software Engineer/Database Engineer/Project Manager

Canada - Tests: 15 - Portfolio: 14

Software Engineer, Database Engineer, and Linux Administrator. I'm always seeking exciting new opportunities, particularly working with modern web applications. I have 16 years experience in software development, working with a number of technologies such as: Node.js / AngularJS / PHP / MySQL / Cassandra / MongoDB / Oracle / Java / Android / C/C++ / Objective C / Laravel / CakePHP / .Net and more... I'm a firm believer in agile development, TDD/BDD testing, and following best practices. I also have a wealth of experience managing and deploying high-availability server clusters, and developing scale-out ready web applications on CoreOS/Docker, Red Hat, CentOS, & Ubuntu servers. I specialize in SaaS based applications deployed on cloud platforms like Amazon Web Services, Rackspace Cloud, and Google Cloud. I can also assist you in deploying devops, continuous integration (Bamboo, Jenkins, TravisCI, etc), continuous deployment, and other automations.

$55.56 /hr
3,849 hours

David B.

David B.


United States - Tests: 13 - Portfolio: 1

Over the past several years I've been trying to keep on top of emerging tech such as ruby, jquery and other frameworks so that I can help my clients. I'm been growing my small business to a more online business for web and software development. I also have experince in: Ruby, Perl, Python, Visual Basic, GNU C, Visual C++, Schema, PHP, MySQL, PostGreSQL, Microsoft SQL Server, Ajax, OOP, JavaScript, Java, and wxWidgets (A Framework for python/perl)

$50.00 /hr
17 hours

Vassiliy Shvetsov

Vassiliy Shvetsov

Software Architect

Kazakhstan - Tests: 9 - Portfolio: 3

I have hands-on experience with wide variety of technologies, deep enough to solve any sort of tasks and problems my team and I are facing every day. Good interpersonal skills, curiosity, enthusiasm and dedication - these skills help me inspire my colleagues, accomplish tasks and meet deadlines. Currently I have more than 7 years of professional experience in development of enterprise-level applications. Hands-on experience includes: - C# .Net, WPF, WCF, Java EE, jBPM, Oracle Fusion Middleware; - Ruby, Rails, JavaScript, PHP, Python; - MS SQL, Oracle, MySQL, PostgreSQL, Redis, MongoDB; - Linux administration, etc., etc. Current area of interests includes distributed systems, cloud computing and data mining. I always strive for further advancement of my personal and professional skills.

$50.00 /hr
3,948 hours

Muhammad A.

Muhammad A. Agency Contractor

iPhone/iPad/Android and Web Developer

Pakistan - Tests: 10 - Portfolio: 14

I've 3.5+ years experience in iPhone/iPad app development including game development. I also have 1 year experience in Android development. In addition I've experience in web development using PHP. I am interested in iOS and Android development job opportunities. If you need a mobile app that may or may not need to communicate with web using web services/APIs, I've got all that you need.

$22.22 /hr
125 hours

Peter Park

PHP/MYSQL/C#/Java/Python/HTML/CSS/AJAX - software engineer

Canada - Tests: 7 - Portfolio: 2

Over the last years, I have developed wide range of softwares from DNA alignments to websites. The websites I made were in HTML, JS/Ajax, PHP, and MySQL mostly for small businesses starting up their expansion of business to the world wide web. I enjoy solving algorithmic problems for efficiency and completeness in various languages. I am seeking for opportunies in virtually any areas of computer programming. I am proficient or higher in the following languages: PHP/SQL, C, C++, C#, Java, Javascript/Ajax, Python, (X,D)HTML I also have some experience in Ruby, Prolog & ML.

$55.00 /hr
977 hours

Dmitriy Dovgiy

Dmitriy Dovgiy Agency Contractor

Web Developer (php,html5,css,mysql,js,Yii,Drupal,Joomla,WordPress)

Ukraine - Tests: 10 - Portfolio: 16

I am a professional software engineer who has special talents in creative thinking and problem solving. My 7 years of technical and managerial experience in the IT industry has qualified me to solve any issues and deliver guaranteed products to my company customers.

Groups: Drupal

$25.00 /hr
2,478 hours

Taka M.

Software developer, musician, sound engineer

Australia - Tests: 16 - Portfolio: 3

Professional software developer with 30 years experience, specializing in hard-core, high performance server software and highly technical applications e.g. search engines, database servers. Expert in C/C++, Python, assembler; competent in C#, Java, VB, PHP. I also alternate as a professional musician and recording engineer. My work is here:

$40.00 /hr
220 hours

Alexander Zhdanovich

Alexander Zhdanovich

Developer with a focus on web development using .NET, Sharepoint, MSD

Belarus - Tests: 5 - Portfolio: 5

Developer with a focus on web development, particularly in .NET, SharePoint, javascript, microsoft dynamics AX technologies. 9 years of experience in development on .NET Framework 3.5/4.0/4.5. Most experienced in development of ASP.NET-based applications with MS SQL Server as database. Entity Framework as ORM layer. Skilled and experienced in OOP and OOD. An adept in system architecture design aspects: Design Patterns, Enterprise Architecture Patterns, Test Driven Development, Domain Driven Design. Experience of creating and maintaining functional and technical specifications. Technical Skills Programming languages and technologies: JavaScript – 7 years, CSS – 9 years, AJAX - 5 years, jQuery - 5 years, HTML – 9 years, XSLT – 1 year, Java – 1 year, C# – 9 years, C/C++ – 2 years. DBMS: MS SQL Server – 4 years, MongoDB – 1 year, Oracle – 2 year. .NET technologies: Entity Framework - 4 year, ADO.NET - 4 years, ASP.NET – 9 years, LINQ – 5 years, WCF – 3 years, WPF – 2 years, Windows Forms – 3 year. SharePoint Products and Technologies: SharePoint Designer, SharePoint Server 2007/2010/2013 – 5 year. Development: • Web Parts • Workflows (Sequential & State machine) with custom forms, workflow custom actions • Site Pages, Application Pages • Event Receivers • Custom Field Types, Content Types • Custom Actions • Lists, document libraries • Features, Packages Administration: • SharePoint Server 2013 installation & configuration • Web applications, site collections, sites management • PowerShell scripts • Reporting services

$25.00 /hr
0 hours