Top Upwork Freelancers

Clear all filters

Kristin L.

Kristin L. Agency Contractor

11yrs of experience in Software QA/Testing

Philippines - Tests: 7 - Portfolio: 5

I have more than 11 years of experience in a field of IT with importance on Software Testing. I have participated and headed projects ranging from SaaS, eCommerce, Security, Mobile Systems etc. I have the capability to study new technologies and tricky concepts rapidly and execute them. I can perform effectively and efficiently in team and individually and most of all I'm hardworking and honest.

Associated with: Pinoy SEM/SMM/SEO/Outsourcing Xperts

100% Job Success
$10.00 /hr
8,049 hours

Thisalaka K.

Thisalaka K. Agency Contractor

Experienced .NET/PHP (ASP.NET C# WPF) Developer

Sri Lanka - Tests: 6 - Portfolio: 7

15 + Years Experience as a Software Engineer/Team Lead/Architect Having Good Knowledge and Experience in using of Commonly used Design Patterns 8+ Years Experience in .NET Developing (C#) Web and Windows /Mobile Applications. 13 + Years Experience in Client Server Application Design and Developing with VB, SQL Server, and C++. Microsoft Certified Application Developer in .NET Stream. Having Good Knowledge of Database Design and Implementation, Dynamic Web Site Development with ASP and ASP.NET, Network Programming and Routing Algorithms, Safety Critical and Real Time Software, Distributed and Parallel Computing, PHP/MY SQL and Mobile Developments Having very good experience and knowledge in AI and Machine Learning Experienced in OOP Design with Rational Rose 2000 and MS Visio

Groups: Application Developers Alliance

Associated with: KIT Software Solutions

97% Job Success
$16.67 /hr
5,116 hours

Avtar M.

Avtar M. Agency Contractor

Advanced Asp.Net, C#, Ajax, MSSQL Developer- CEO of Future Expert Pvt

India - Tests: 12 - Portfolio: 4

After concluding my bachelor's and master's degrees in Computer Science, I Joined many local and MNC companies like Xeo Software Inc, rising to position of Project Leader. My signature accomplishment was becoming Microsoft Certified Professional Developer. Today, I am CEO of Future Expert Pvt. Ltd., India based software outsourcing company.  My core expertise lies in Microsoft Technologies like ASP.NET, C#, VB.NET, AJAX, Silver Light, SQL-Server, Desktop Application, Windows Mobile Application, Web & Windows Services, etc. We work on highly accepted Industries wide coding standards by following various Design Patterns and OOPS concepts.

Associated with: Future Expert

$11.11 /hr
2,321 hours

Ivan Kukusev

Ivan Kukusev Agency Contractor

Android Developer

Macedonia - Tests: 4 - Portfolio: 8

I’ve got a bachelor’s degree in Computer Science. In the past 2 years i have been working as a full time Android developer. I have experience in maintaining Android applications and also building them from the ground up. I have a very good understanding of the Android SDK and I also have extensive experience in almost every aspect of it.

Associated with: Mobile Dream

78% Job Success
$22.22 /hr
74 hours

Dmitry Savin

Dmitry Savin Agency Contractor

Senior iOS Developer

Ukraine - Tests: 2 - Portfolio: 17

I have 5 years experience of iOS apps development. In the work I rely on several principles: • Architecture of application should be properly designed and must allow easily extend and change parts of a application. • Following the workflow, so that will be achieved maximally precise execution of the task within the given time frame. • It is important to have a deep knowledge of applied technologies, to use all its features. • It is necessary to keep up with the latest technologies and innovations that will help solve essential problems the most appropriate way.

Groups: Application Developers Alliance

Associated with: Engineering idea

$34.00 /hr
775 hours

Volodymyr Obrizan

Volodymyr Obrizan Agency Contractor

Professional iPhone/iPad Development

Ukraine - Tests: 4 - Portfolio: 3

Design and Test Lab, LLC is an Eastern European software development company. We provide iPhone, iPad, and Android development services, including development of server-based backends using Amazon Web Services, Google App Engine, and other third-party Backend-as-a-Services vendors. We provide the following transparency options: - conference calls; - daily code commits to your repository; - weekly builds to your devices; - project management using your favorite solution. We prefer Jira, and ready to follow your choice: Redmine, Bugzilla, etc; How do we achieve high quality of software: - automated unit testing of the source code with high code coverage; - manual user acceptance testing; - architectural and code review; - continuous integration.

Associated with: Design and Test Lab

88% Job Success
$25.00 /hr
43 hours

Pavlo H.

Pavlo H. Agency Contractor

Professional .NET developer ASP.NET, MVC, EF, SQL, JS

Ukraine - Tests: 3

Specialist in the field of IT technologies with 8+ years experience. A Software Developer with over 5 yrs commercial experience in the web/internet area primarily with ASP.NET and SQL Server. 3 yrs - DeskTop application. Within this area has successfully completed a number of different commercial projects. As a result of working on a variety of projects both within a team and individually using emerging technologies such as .NET 2.0/3.5/4.0/4.5 has the necessary skills and experience to work in areas of web/internet development. • Good insight into design patterns and designing applications using an OOPS • Experience of developing business applications using in C#/VB, . Net ramework, ASP.NET, ASP.NET MVC, Web Api, WPF, WCF, ADO.NET, LINQ, EF, AJAX, JavaScripts • Experienced working with Git, Perforce SVN, TFS • SQL programming experience, wrote back-end Procedures, Functions, Triggers and query optimization techniques • Experience in implementing reporting using Crystal and Microsoft Reports • Experience integrating open source tools and libraries in the .NET application project • Experience in front-end level: AngularJs, jQuery

Associated with: SmartApes

100% Job Success
$30.00 /hr
1,855 hours

Juan Bautista Cabral

Juan Bautista Cabral Agency Contractor

Senior Python Programmer

Argentina - Tests: 2 - Portfolio: 2

Born in Argentina, working in python sice 2007. His main interest are: data mining, business intelligence and machine learning. I'm have my Mg Software Engineering degree from the Technological University in Argentina and my postgraduate degree in Statistics analysis from the National University of Córdoba. Actually I am PhD student and my research is about "machine learning and data mining for astrophysics database. The last 5 years i working as researcher in the UTN and we develop a new paradigm in analysis databases ( I work for many startups mainly in python an java always working i data analisis from diferent sources; probably this is the most interesting project of all is a plataform for create olap-cubes with videogames ( sorry only in spanish)

Associated with: Cordatazo

100% Job Success
$30.00 /hr
585 hours

Bruno F.

Bruno F. Agency Contractor

Information Technology Consultant, Odoo Expert

Uruguay - Tests: 4

My objective is to help people understand what technology can do for them. The past year I've been deep diving both Odoo (v8) and openerp (v7), doing extensive customizations on the base modules (especially the accounting related modules), plus developing a custom tailored application with over 2000+ total programming hours, serving as the lead programmer and technical analyst. I'm a top of the line programmer, with varied experience, ranging from web programming, server infrastructure, enterprise workflows, ERPs and databases, up to openGL based games, scientific computing and machine learning. While I'm technically proficient, the main attribute that differentiates me from most programmers is that I dig deep when thinking about businesses, using my skills as leverage to help clients make more money. Drop me a line at if you want to discuss a project.

Associated with: TDT Consultants

$100.00 /hr
225 hours

Donovan D.

Donovan D. Agency Contractor

Experienced SalesForce Administrator/Developer

United States - Tests: 4

I have worked with the SalesForce CRM for the past 5 years as a SalesForce Administrator as well as a Sales Operations Analyst. I have experience working with front end support and configuration as well as back-end development work. My skills include the following: - General Administration - Security Settings - User Role and Profile Administration - Data Management - Report and Dashboard Creation - Custom Object Creation - Apex Classes - Apex Triggers - Workflow Configuration - Customer Portal Setup - VisualForce Pages - Custom Controllers I have lots of experience using Dataloader with large amounts of data for mass updates or de-duplication. I also have experience designing and implementing projects to improve or automate a particular business process. I have created custom Apex Triggers and Classes to accomplish the businesses goal, but I prefer to use standard configurations for usability. I have worked in highly customized and more standard instances so I am able to speak to the best practices for both.

Associated with: Callowhilll Developers

94% Job Success
$35.00 /hr
346 hours