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Jon Garrido

Jon Garrido

Gis Developer

Spain - Tests: 4 - Portfolio: 8

For more than 10 years working with GIS technologies. I'm expert in Web GIS development with ArcGis API for javascript and Silverlight, Openlayers, leaflet, google maps and many others. I have worked as a GIS analyst in many companies such as Bureau Veritas, Tragsa and Basoinsa. Finally I became a GIS developer, working in Tecnosylva and in Tracom Consulting as a GIS Manager. I can develope as well desktop GIS software with .NET, Arcobjects, Dotspatial and Python. I'm responsalbe of map servers maintenance such as ArcGis for Server, Mapserver and Geoserver. I have been Database manager with SGDB like MS SqlServer, MySql, PosgreSQL+Postgis. ESRI Young Scholars Award 2012-2013 winner

$39.00 /hr
183 hours

Daniel Batkilin

Daniel Batkilin

Network, Cloud , Bittorrent, mobile and anything opensource

Israel - Tests: 4

Coming from a history of open source integration and Linux software development, I can build high standard software for you on any platform (Windows/OS-X/Linux) - web-based or otherwise. Experience: 9 years PHP/Javascript 3 years PERL 2 years Python 5 years Linux/RHEL/Shell 8 years C++ 3 years C# 4 years VB6/.NET 4 years Java Programming: C++/#, Objective C++, VB6, VB.NET, Java/NetBeans,Matlab,ASMx86 Scripting: PHP,MySQL,PostgreSQL,MongoDB,PERL,Python,OpenCL,GLSL,Javascript,Lua,Bash,HTML5/CSS/jQuery,AngularJS,ActionScript(flash) Systems: Android Java, iOS/Cocoa, Qt, Qt Mobile, Symbian, J2ME, SlimDX, OpenGL, , Phonegap/XDK, FFMPEG​ Cloud Admin: Ansible, Nagios, Kubernetes, Docker My recent years of experience focused around cloud software, database and networking development over Linux. Some recent work: - LEMP stack installation, maintenance and performance tuning ( CentOS/Debian + nginx + MySQL/PostgreSQL/MariaDB/PerconaDB + PHP5/PERL/Python+Pypy ) - Development of PERL-Based search engine crawlers and front-ends (PERL/MariaDB/Sphinx) - Original Java/Netbeans BitTorrent/HTTP server+tracker coding - Development of an OpenCL based Xray/DICOM image viewer with window/leveling and filters - 3D Map editor based on C++/Ogre/windows APIs - BitTorrent search engine with torrent statistics access - J2ME IM for mobile phones - Multiple Java user interfaces designed for medical companies - Matlab database access coding for clients - Integrating copyright protection libraries in .NET managed DLLs

$45.00 /hr
331 hours

Tiffan Meloney

Tiffan Meloney

Backend Developer

United States - Tests: 1

Over the last 6 years, I have developed a wide range of websites and software using HTML, PHP and MySQL including sites for companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: SQL, Ajax, OOP, MongoDB, AngularJS and software design and testing.

$33.33 /hr
388 hours

Maksym Skliarov

Maksym Skliarov

Senior iOS and Ruby on Rails developer, 5+ years of experience

Ukraine - Tests: 7 - Portfolio: 1

Over the last 5 years I was building iOS apps with Ruby on Rails backend on daily basis, 11 years total in programming on different languages: Swift, Objective C, C, Ruby, Python, bash, Pascal, Delphi, Assembly (Assembler, ASM), Processing. Also I build Mac OS utility apps time to time. I really like my job and iOS with Ruby on Rails makes development process very fast and enjoyable. Here is the list of major technologies I use (I like to learn new technologies too): - social SDKs: Facebook, Twitter, Google Plus, LinkedIn, Vk, Upwork, Elance; - cloud storages: iCloud, Amazon Web Services, Parse; - push notifications: Urban Airship, Parse, Infobip, custom web services; - analytics: Flurry, Adjust, Google Analytics, Fabric (Crashlyticts), Urban Airship, Parse; - payments: Paypal, Balanced payments, Braintree, Stripe, LiqPay; - SMS and voice: Twilio, Nexmo; - maps: Google, Apple, Yandex, Open Street Map; - databases and RDBMS: - on iOS: SQLite + CoreData, Realm; - on Ruby on Rails: PostgreSQL, MySQL, SQLite; - custom UI controls: custom transitions, animations, customization of default UI controls; - web: HTTP requests, development and usage of RESTful JSON and XML APIs; - RESTful JSON API: Jbuilder, RABL, MultiJson, YAJL, Oj; - HTML template engines: ERB, Slim, HAML; - stylesheets: CSS, SASS, SCSS, Twitter Bootstrap, FontAwesome and many others; - JavaScript libraries: jQuery, Angular, React, Twitter Bootstrap, HTML5Shiv, Respond.js, Highlight.js, CKEditor, TinyMCE, Owl Carousel and many others; - deployment of Ruby on Rails projects: VPS, Heroku; - programming design patterns: MVC, Active Record (Core Data), Singleton, Decorator (Category, Delegation), Adapter (Protocols), Observer (Notifications and Key-Value Observing), Memento (saving and restoring state of object), Facade; - programming principles: REST, DRY, KISS; - version control: git, SVN (I prefer git). Please, check my portfolio here: http://www.iosonrails.com/portfolio to see my latest published projects. Thanks for reading this! Best regards, Maksym.

$50.00 /hr
1,051 hours

Kirill S.

Kirill S.

Web (Python/Django, Javascript), Mobile (Android, Windows)

Ukraine - Tests: 3 - Portfolio: 7

I have 14+ years experience in software industry. I worked in different areas such as web development, desktop development, databases, mobile apps. I like to explore new technologies and to solve complex tasks. I know how to maintain good code quality and lower time-to-market at the same time. My attitude is to view a problem as a whole and provide some input besides just coding, giving you a solution for your exact needs. I can work either alone or in a team, including managing small teams of developers.

$35.00 /hr
2,431 hours

Tyler Kresch

Tyler Kresch

Full-Stack Javascript and Ruby Developer, New Venture Consultant

United States - Tests: 1

Connect with me on LinkedIn: https://www.linkedin.com/in/tylerkresch My development philosophy is simple: "Communicate effectively to complete projects on time, under budget, and without headache." I was born and raised in the US and graduated from the University of California, Santa Barbara with a degree in Philosophy and Technology Management, focusing on New Venture Creation. I am classically trained in Computer Science, having worked for the past three years as a freelance software developer and technology consultant. I have helped hundreds of companies upgrade their technical infrastructure and move it to the cloud as well as streamline and automate their workflows with new web applications. I have developed custom proprietary software systems for multi-million-dollar companies that are active today with thousands of users. I am happy to work on both new and existing projects. I am also happy to get involved early on in the project lifecycle to assist with technical feasibility, selection of appropriate technology stack, and creation of specifications. *** Technical Skills *** Lately, I have been working primarily in Ruby on Rails and JavaScript. I focus on modular design and Service-Oriented Architecture. I am also skilled in the following technologies: -Ruby -Python -Haskell -Java -C -JavaScript (See below for JS frameworks) -HTML5 -CSS/SCSS/SASS -Postgres/MySQL -Git/Github -Heroku -Amazon Web Services I use a number of different JavaScript libraries, frameworks, and tools and am happy to learn new ones for longer-term projects. Here are some of my favorites: -Angular -Ember -React -Node -Handlebars -Express -Meteor -Grunt *** Communication, Organization and Project Management Skills *** I have excellent communication skills and habits which means that my clients spend zero time "managing" me. If specifications are not clear, I work with my clients to help them figure out what they really want so that there are no surprises upon delivery. If something comes up that puts a deadline in jeopardy, I let my clients know well in advance. I am well versed in Agile development as well as more traditional "waterfall" approaches. I complete quick iterations and provide roadmaps and development timelines, involving clients at every step. *** Why Me? *** I have managed sales teams, contractors, consultants, and have experience working as a freelance software developer myself, so I understand what is important in remote management situations such as Upwork. This allows me to help my clients avoid common pitfalls and ensure that projects are delivered on time, under budget, and without headache.

$60.00 /hr
72 hours

Alexey P.

Alexey P.

Full-Stack Developer (PHP, JS, Yii, ExtJS and so on)

Russia - Tests: 7 - Portfolio: 2

Hi. I have started programming in childhood and since 2005 I have focused on web development. Now I have great experience both in client and server side programming. I always try to improve my skills and it gives me great pleasure. My primary skills: - PHP (I follow PSR Coding Standard) - Yii since 2009, Yii2 - JavaScript (and sometimes CoffeeScript) - ExtJS from 3 to 6 version - Backbone.js - jQuery & jQuery UI - Twitter Bootstrap - HTML, CSS, SASS - MySQL - Ionic framework Also, I have many secondary skills: - AngularJS - Zend Framework - Python - Less - node.js - PhoneGap / Cordova - PostgreSQL - Redis - Sphinx - C# & ASP.NET - Linux administration basic skills, shell scripts - Photoshop

$35.00 /hr
2,345 hours

Daniel Beck

Daniel Beck

Data Mining Expert

United States - Tests: 3 - Portfolio: 3

I have nine years' experience in data extraction, data analysis, and network security. These skills enable me to quickly and reliably perform data extraction and analysis tasks. Examples of pervious projects include: - Monitoring price changes across 100,000's of products - Analyzing app rankings on the Google Play, iTunes and Amazon app stores - Transforming data on websites into an Excel spreadsheet In your message please include some mention of having read my profile as spam messages will not receive a response. Thanks!

$75.00 /hr
28 hours

Sergey M.

Sergey M.

Software Engineer | Master's Degree in CS

Belarus - Tests: 9 - Portfolio: 4

Highly skilled Software Engineer with 5+ years of experience in developing application for customers from different parts of the world. I am an expert in API implementation. And I am familiar with wide range of technologies mainly focused on .Net C# desktop and Web applications. My strong analytical skills combining with real practical experience allow me to provide you perfect solutions in reasonable period of time.

$33.33 /hr
1,795 hours

Wesam D.

Wesam D.

Sr. Developer

Canada - Tests: 1

HIGHLIGHTS OF QUALIFICATIONS • Degree in IT Systems Engineering with strong research and analytical skills • Designer and developer for several projects implemented using Python/Django/PostgreeSQL and MySQL stack • Proficiency in Virtualenv, South, Gunicorn, Swagger, and Django REST framework • Administrative experience in AWS (EC2, RDS, S3, and ELB) and Linux environment • Hands-on experience with mobile programming: Android and iOS (Swift) • Expert with Cloud computing, large-scale applications architectures, virtualization, dynamic scalability, databases and physical infrastructure planning • Experience working with remote and distributed teams • Strong theoretical and practical experience in data structure, algorithms, artificial Intelligent, security, and networking • Up-to-date on latest cutting edge technologies and trends. • Active scientist with more than 15 peer reviewed publications (http://scholar.google.ca/citations?user=5elE6w8AAAAJ) TECHNICAL SKILLS Languages: Python, Django, C/C++, HTML5, CSS3, JQuery, XML, ActionScript, PHP and Java Databases: MySQL, Oracle, MongoDB, PostgreSQL and Microsoft SQL Operating systems & Virtualization technology: Windows, Linux, OSX, VMware, Xen and KVM Servers: Apache2, Nginx, Tomcat, Solr, Openfire, and Red5 Media Server Collaboration tools: JIRA, Github, Google Docs, Confluence, and teamwork Networking: TCP&IP, DNS&DHCP, NAT, Access Points, Switches, Routers, and Firewalls Mobile development: Android and iOS (Swift)

$60.00 /hr
451 hours