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Constantin Merdar

FullStack developer

$20 / hr

$5130+ earned

  United Kingdom

I am senior web developer with over 15 years of experience and more than 150 completed projects. I worked with many small-to-big companies all over the world, met hundreds of people, was part of dozens of teams and received priceless experience I use to find solutions which answers clients needs. Through the years I created custom web solution for various clients: recruiting agencies, driving school, drug-testing laboratory, wind farm, finance savings and many more. And worked with countless API's, libraries, frameworks and platforms. My current development stack is: JavaScript (jQuery/VueJS), PHP (Laravel, WordPress), MySQL. Great communication, planning skills, strong technical background, attention to details are the qualities which make me stay on top for all this years.

Dominik Volkov

FullStack developer and designer

$20 / hr

$4470+ earned

  Russian Federation

I'm an NLP developer with experience of over 6 years. Along with it I'm also a copywriter, I have been working as a freelance copywriter for the past 3 years. I have a degree in Computer Science, so developing is my first profession. Over my career I have worked with many companies and clients both local and international, delivering the best solutions to their requirements. Along with my experience, I have a deep knwoledge of development skills that I will list below: Languages: ⦁ Python ⦁ Matlab ⦁ C/C++ ⦁ Linux Data Structure and Algorithm ⦁ Object-oriented programming ⦁ shell script SQL ⦁ Ruby ⦁ Clojure ⦁ Scheme ⦁ Experience and a working understanding of natural language processing, machine- learning and other relevant AI techniques Along with programming, I do video editing as well. My background includes assembling raw footage, selecting usable sequences, tweaking content, and utilizing specialized software to produce exceptional final products for video productions in news, sports, concerts, commercials, and music videos.

Martin Sokolov

Full stack/ Mainframe Programmer and Aix Administrator

$25 / hr

$24000+ earned

  Ukraine

I am a professional Full stack developer having proven experience in Mainframe Programming and Aix Administration. I have supported system programmers and engineers to quickly address and resolve any issues generated by batch processing and automated jobs. I have performed backups on Proxy, Stock, Dividends and systems development production libraries through batch processing and automated interfaces. Improved batch processing by creating and deploying automated panels or applications, scheduled, processed and monitored thousands of batch jobs and automated panels. I have assisted production support managers and attended and participated in disaster recovery meetings held at various locations. I have performed maintenance and troubleshooting on existing applications as well as developed new applications in support of business objectives. I have generated more complex technical assessments, developed solution alternatives, evaluated options and provided recommendations considering efficiency and cost effectiveness to achieve complete solution development, problem resolution and/or system maintenance that meets the business needs. I was responsible in the support and maintenance for different sub-systems of the company, by developing new programs and/or modifying the existing ones. Developed and implemented change requests for enhancements and regular maintenance changes. Let me also mention that I have written technical design documents and program specifications. I have worked with QA analysts, business analysts and business units in resolving issues found during system testing, integration testing and user acceptance testing. For many years I have worked as an Aix Administrator and I have provided technical support on the various functions of the AIX operating system, coordinated changes and upgrades with other groups and users. I have worked with data center staff on various functions and procedures, wrote and maintained scripts to automate daily and manual procedures and maintained scripts for OS and file system backups. I have successfully upgraded AIX, coordinated upgrades with various groups and users. Worked with IBM and Vendor support and applied AIX maintenance. I have responsible for multi-million dollar software budget and negotiated contracts with vendors for equipment and software as needed. Provided leadership as well as hands-on technical support of AIX. Installed and customized all of the software listed below under Mainframe environment and was heavily involved with the selection, contract negotiations and project planning. I have designed an electronic change management process that allowed for automated fall back of programming and Job control changes. Developed improved methods for tracking storage subsystem usage, resulting in significant cost savings due to system downtime, supported AIX systems in disaster recovery exercises and performed day to day system monitoring and administration of AIX systems. I have provided a detailed documented operational procedure to the client as a part of the contract requirement and did knowledge transfer for the entire build and test environment. I have implemented and maintained several client-server applications on AIX platform and provided remote technical support for the AIX software team.

Igor Ivanov

Website (PHP/LARAVEL) Developer and UI/UX Designer

$38 / hr

$0+ earned

  Russian Federation

I am Igor. I am a highly skilled computer programmer. I am responsible for developing and designing front end web architecture, ensuring the responsiveness of applications and working alongside graphic designers for web design features, among other duties. My daily activities include: Developing front end website architecture. Designing user interactions on web pages. Developing back end website applications. Creating servers and databases for functionality. Ensuring cross-platform optimization for mobile phones. Ensuring responsiveness of applications. Working alongside graphic designers for web design features. Seeing through a project from conception to finished product. Designing and developing APIs. Meeting both technical and consumer needs. Staying abreast of developments in web applications and programming languages. I always produce high quality, fluently working codes with creative design solutions.

Pavel Pipov

Website (PHP/Magento) Developer and Designer

$45 / hr

$8250+ earned

  Russian Federation

I am Pavel from Russia. I am an experienced PHP/Magento developer and designer with 7 years work experience. My daily work includes the following activities: Experience with HTML, CSS, Bootstrap and jQuery Good understanding of MVC frameworks, LAMP Stack Database experience with mySQL and Postgres Knowledge of Object Oriented Programming and Application development and Design Advantageous to have experience with: Joomla / YooTheme / YooTheme Zoo / JomSocial / Mediawiki (from at least 1 would be a benefit) Ability to work independently and productively, but also to work well in a collegial, team atmosphere Work daily in PHP, MySQL, JavaScript, JQuery and with the Zend Framework Build Magento Community websites and other platforms Convert PSDs into pixel perfect responsive Magento and custom PHP sites Resolve cross-browser compatibility issues Write clean structured and well-documented code Integrate data with Sage, Quickbooks, WordPress, Salesforce and APIs in general and ERP/stock management systems Work with LAMP development environment and version control GIT / SVN I always establish a productive cooperation with my clients and produce high quality projects.

Dmitry Antonov

Devops / Python Engineer

$27 / hr

$6200+ earned

  Russian Federation

I'm a Devops / Python Developer overall 8 years of solid experience. Configured four Ubuntu OpenLDAP servers with replication.Configured Microsoft Active Directory Server; Configured Microsoft Domain Controller; Managed, developed, and designed a dashboard control panel for customers and Administrators using Django, OracleDB, PostgreSQL, and VMWare API calls. Maintained Oracle, and Postgres DB's Wrote multiple programs in Python to monitor virtual machine usage data using VMWare API calls. Wrote a program to monitor Virtual Machine performance data using VMWare API's. Developed web-based LAMD stack applications using Python and Django for large dataset analysis Created and optimized work flow automation tools to facilitate data interpretation and presentation via statistical modeling techniques. Wrote a program to use REST API calls to interface with Veeam backup server, and parse output reports of an excel file in python to monitor customer backup usages. My communication languages are English and Russian. Upwork is that platform to work on.

Rafael Brown

Software/Web & App Engineer

$20 / hr

$11360+ earned

  United Kingdom

I am a Web and Software/Script Developer and Engineer having more than 8 years development experience, having worked for various companies and individual clients, developing a wide range of websites using HMTL, DHTML, ASP, J2EE, MySQL, and MSSQL including sites and systems. I've been using Python frameworks (like TurboGears2, Flask or Django) for web development , I'm also very capable of working on a more traditional stack using WordPress, Drupal or CodeIgniter. I provide creative, high-tech solutions to your web design and programming needs. I have broad experience in Linux, Apache, MySQL and PHP / Perl. (Also known as the LAMP stack.) I adhere to industry best practices, and bring to your projects the disciplines of MVC framework design patterns such as CodeIgniter in PHP, Git version control, and project management systems such as Jira, Unfuddle, and Trac. I can do frontend development also using HTML/CSS and I'm particularly fond of jQuery for AJAX behavior and in-browser animation.

Kyle Nolan

Network diagnostics and Firewall Engineering

$25 / hr

$7296+ earned

  Ireland

I am a Network diagnostics and Firewall Engineer with great experience in writing well designed, testable, efficient code by using best software development practices; creating website layout/user interfaces by using standard HTML/CSS practices; integrating data from various back-end services and databases. I have great experience in diagnosing and repairing a network problem using a single troubleshooting tool, creating troubleshooting units- helper class extensions to provide more detailed diagnoses specific to particular software or hardware components. Also, I use NDF that can be used by any vendor's software which relies on network connectivity. I use CFNetDiagnostics API to quickly and easily help users fix their network problems with little work on your end. As a I Firewall engineer, I design, build, and manage the security infrastructure of information technology (IT) systems, that includes installing hardware, configuring firewalls, setting up virtual private networks (VPNs), and adding upgrades. I also engage with clients, relaying information about the project and troubleshooting all issues discovered.

Ernest Giles

Full Stack developer

$25 / hr

$12165+ earned

  Australia

I have 9+ years experience working in database development and graphic design, I have built numerous robust relational database. My skill set is deepest with Filemaker Pro, both desktop and mobile versions. My experience with Data Mapping mostly deals with: Object Relational Mapping in PHP; Building Data Mapper in PHP5; Extract Transforms and Load (ETL) concepts. Also, I have a HUGE experience with Diagnosing database application performance issues, and have worked with large databases and have dealt with the most common and most complex issues appearing mostly: Java 5/6/7 (JSE, Swing, CORBA, Web Services, etc.) - JEE5/6 (EJB3, JSF, Hibernate, etc.) - GWT, Spring, Struts, etc. - And other JSE/JEE-related frameworks - GlassFish, Tomcat, JBoss, Jetty, etc. - JME (CLDC 1.1, MIDP 2.0) and Android - Maven, Ant, etc. - Oracle, MySQL, PostgreSQL As a BackEnd Developer, I have great experience with Java and other script languages such as ajax, json, javascript, xml, rss, xslt and flex for active script language and with content management systems Let me tell You that I have a great experience with API integration/development, Payment Gateways and third party Software projects.

Tony Lewis

Senior Programmer

$31 / hr

$7900+ earned

  Luxembourg

I am Tony and live in Ettelbruck, Luxembourg. I am a senior Software/Web and Mobile developer with 7 years of experience. During my years' expertise I have established an effective collaboration both with teams and individuals and led many projects. The scope of my projects varie within different frameworks and scales. I have passion in graphic design. I have huge experience of work with databases. Key skills: JavaScript (React.JS, Node.JS, Vue, etc.) WIX, Perl PHP frameworks (CodeIgniter, Yii,Laravel,Slim, etc.) Shopify, Magento, Prestashop, WooCommerce Rest API, Stripe API HTML/HTML5; CSS SQL Programming; Database Programming