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Denis V.

Denis V.

Web developer

Russia - Last active: 7 days ago - Tests: 2

Hello everyone, I'm an expert web developer with with over 9 years hands-on experience. I've build several projects as frontend engineer. Highly experienced in developing complex system to handle bulk data efficiently profoundly skilled in ASP.NET MVC, AngularJS, NodeJS. Ability to upgrade existing applications through coding and analyzing. I'm here to help you with my strong points to get your success.

$30.00 /hr
780 hours
0.00
Konstantin S.

Konstantin S.

Software developer

Russia - Last active: 1 day ago - Tests: 8 - Portfolio: 13

8+ years of experience as software engineer. I have been involved in a wide range of different projects mainly with Microsoft development stack. I have participated in many projects in different areas starting from bank software and ending with applications for small business automation. Last few years I'm developing web solutions for automation of business processes using C# and ASP.NET MVC or Java with Play! Framework with various front end frameworks (e.g. jQuery, AngularJS, KnockoutJS, Typescript etc)

$45.00 /hr
7,529 hours
0.00
Adrian C.

Adrian C.

iPhone Developer / RoR Developer

United States - Last active: 4 days ago - Tests: 2

Software developer with over 10 years of experience. I have been part of every stage of software development from idea to app store. My IOS experience spans across many built in iphone frameworks including maps, audio, video, photo processing, networking, you name it as well as other 3rd party libraries. I have apps in the app store. I can take a design and turn it into reality. Will do everything professionally. I also have experience building apis using rails, postgres, mysql.

$100.00 /hr
52 hours
0.00
Dan F.

Dan F.

Full-Stack Developer

United States - Last active: 1 day ago - Tests: 1

I’m a Pennsylvania-based full-stack web developer, so I can implement and integrate your frontend and your backend. Between my degree in Computer Science and Business, employment history, and side projects, I have about 3 years of experience in the areas of: • JavaScript with the jQuery and Backbone frameworks • PHP both stand-alone and with the CodeIgniter and Symfony2 frameworks • Java for both desktop applications and website backends using Tomcat • Databases including ElasticSearch (a NoSQL data store), MySQL, and Oracle • HTML and CSS • Social integration (Facebook Connect, etc.) To learn more about me, you can check out some open-source code that I’ve written on GitHub (https://github.com/danfinnie/) or view the specifics of past work experiences on my resume (http://danfinnie.com/resume) I’m a straight-shooter, no-nonsense type, so get in touch and we’ll see if I’m the right person for you. If I am, great! If I’m not, I’ll let you know and give you some tips on what to search for to find the right guy or gal.

$55.56 /hr
111 hours
0.00
Rogerio R.

Rogerio R.

Hardware/Firmware/Software Engineer

Portugal - Last active: 7 days ago

I am a 40-year old electrical engineer with a passion for sophistication and innovation. I have a lot of experience in many areas, a result of both my professional career as well as my own personal projects. Detailed profile information can be found at http://profile.rilhas.com I can design, test, and manufacture hardware (including PCBs) using microcontrollers, FPGAs, USB, UART, I2C, and many more, and integrate them with computers, embedded systems, mains power, motors, various sensors, etc.. It is not uncommon for hardware projects in which I’m involved to incorporate both firmware and software, or even connect to the internet or with mobile phones. I have a lot of experience in the PC world, both as a user and as a developer. I have developed high density ISDN telephony application servers (IVRs) for the main Portuguese telecom operator, with an installed base of over 2000 channels, including a voice mail system complete with voice and text fault-proof database. I have developed a large number of computer systems, both servers and clients. My work with IVR's later included testing and using various ASR and TTS technologies (for automatic speech recognition and automatic speech synthesis from the major providers like Loquendo, Nuance, Philips), applied to various areas from the IVR system themselves (directory assistance, flight booking, and more), a help support system for the elderly (consisting of an emergency telephone help server for the national Red Cross), all the way to systems for the hearing impaired (integrating with JAWS screen reader, for example). I have worked with a team to develop a tool for airport management systems, where my contribution was the development of a complete graphics subsystem based on OpenGL, which is being used up to this date (more than 10 years later), due to its capabilities not having yet been surpassed by the competition. I've developed technology to analyze video images and detect a large number of situations, including FOD at an airport in Açores, intrusion detection, early fire warning systems (marketed as CICLOPE), fire prevention systems at PORTUCEL (one of the main producer of paper and other products), illegal car parking, subterranean bus parking, automatic lane management (and infraction detection) on the 25 de Abril Bridge, and many more. I also developed technology to monitor and track bird movements using radar data. A first version used the radar image, and a more recent version uses the raw radar data (captured using a high speed data acquisition system that I also developed specifically for the radars being used). Since this system requires the display of large amounts of data (images with 30+ MPix) I also developed the visualization component (based on OpenGL). I also have some experience in CAD modeling (owing mainly to the fact that I've owned a 3D printer for several years), with which I have created numerous models for small production runs of plastic objects, mainly to assist with electronics projects but which I have also used successfully to create inexpensive plastic connectors and other components for a company that manufactures and installs solar pool heating systems, including automated 2" valves. I’ve also created custom shaped plastic cookie cutters for my wife and toys for my son. :-) I've produced several promotional 3D videos for a few companies, and I also recorded and produced music albums for a number of artists. The systems I have developed in the past make use of (of have integrated with) a wide range of languages, systems, and technologies, including C, C++, C#, JAVA, J2ME, Android, Javascript, Ruby, PIC 10/12/16/24 assembly, i386 assembly, MMX/SSE2, Verilog, TCP/IP, UDP, OpenGL, USB, WiFi, Bluetooth, Raspberry Pi, BeagleBone Black, Windows, Linux, POTS, ISDN, ASR, TTS, among many others. Many of the projects I've worked on have included other people, and I have been the project manager on most of them. For the larger projects where I was not the project manager (like those involving airport security, for example) I was the team leader of the corresponding project component. Given my extensive experience with complex and innovative projects (where a solution is not always obvious from the start and a great deal of creativity is need as the project progresses), I have also developed good skills and intuition for preventing and detecting bugs, both at a code testing stage as well as (more importantly) at a design or specification stage. These skills have proven crucial over the years, and I think that the success of all the projects I worked on depended heavily on them.

$40.00 /hr
54 hours
0.00
Edmond B.

Edmond B.

Software & Web Application Developer

United States - Last active: 11 days ago - Tests: 3 - Portfolio: 1

A developer with many years of experience building and supporting software and systems for small business and enterprise clients. In addition to contract web and software development, I have a professional background in Systems Administration and security. This allows me to leverage a holistic level of understanding and experience across your entire technology stack. Languages: Python, C++, HTML/CSS, Javascript. Specialties: Flask application development. Linux systems administration, strong Linux/Bash command line skills. Well versed in open-source tools and the OSS ecosystem, security best practices & hardening, authentication, MongoDB and MySQL databases, REST APIs (particularly Twitter), nginx, server scripting/automation, server deployment, usability and design concepts, and full-stack web application deployment.

$33.33 /hr
135 hours
0.00
Hen S.

Hen S.

Web Developer

United States - Last active: 1 day ago - Tests: 1

I am currently a student at the University of Michigan - Ann Arbor pursuing a BS in Computer Science. I have extensive web development experience. I am very familiar with HTML, CSS and Javascript (jQuery). I have used Bootstrap a lot. I know and stick to good design principles. My back-end experience includes Python (Flask) and PHP (Wordpress). I have experience with SQLite, MySQL and PostgreSQL. I have extensive experience traversing and scraping data from web sites using Python (beautifulsoup & scrapy) and Java (jSoup and HtmlUnit). I currently working part-time as a web app developer for the University of Michigan College of Engineering and am looking for more web development work to do in my spare time. I am a native English speaker. I am always available to speak and meet on Skype.

$35.00 /hr
77 hours
0.00
Paul Korzenecki

Paul Korzenecki

Machine Design Professional

United States - Last active: 1 day ago - Tests: 1 - Portfolio: 4

Machine design engineer with proven abilities to create innovative solutions. Diverse and progressive international experience in new product development and machine design. Designed, built and installed electro-mechanical products, machinery and control systems for a wide variety of industries. Generated winning proposals and developed customer relationships. Innovative conceptual designer. Inventor of patented industrial machinery products. Solid track record leading profitable new product development. Registered Professional Engineer. Specialties: Machine designer with proven abilities to drive innovative new product development

$83.33 /hr
65 hours
0.00
Tamas Tiboldi

Tamas Tiboldi

Web developer with PHP, Ajax, Javascript experienc...

Hungary - Last active: 1 day ago - Tests: 1 - Portfolio: 1

During the last 7 years I managed and developed many web pages starting from simple blog-like ending with webshops. In this period i developed my own webshop engine with many functionalities and easy modifications. I used mainly PHP, HTML, Javascript, Ajax, Jquery and Mysql during these developments. The website creation included: - the full software design based on customer needs, - database design - the developments - UI implementation based on the inputs, drawings from designers - participation in tests and error analysis I have also experience in server configuration and project management.

$39.00 /hr
331 hours
0.00
Michael Perrotto

Michael Perrotto

Software/Game Developer

United States - Last active: 6 days ago

Mike is a software developer with 14+ years professional experience whom also enjoys voice over acting, cooking and project and development management. He has built and managed teams both onshore and offshore of over 30 developers, QA analysts and configuration managers. His heart is in the creation of video games and he is very excited to be focusing more time in that arena.

$40.00 /hr
1,054 hours
0.00