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Sergey Nikulin

Java, Swift Development and project management

$35 / hr

$25285+ earned

  Russian Federation

I am a mobile app and software developer with over 10 years of solid experience developing various kinds of apps ad softwares including the following industries like: Healtcare, Food and Drink, Accounting, Finance. I've programmed and debugged java and swift based loan web application, healtcare mobile app. Developed databases using SQL, Mongo DB, Maria DB; tested applications functionalites, navigation, error codes, securtity, browser capability; collaborated with programmers, project managers as well, migrated websites content to the otyher ones. My communication languages are English, Russian and am looking forward to long-term relationship and great projects programming on upwork.

Bill Grant

Software Engineer

$25 / hr

$7550+ earned

  Australia

I am Software Engineer with over 10 years professional experience in site and application development, architecture, optimization, design, maintenance, testing, and support. Data analysis, real-time back end support, and data warehousing. Analyzed new architecture and reformatted data in SQL Server for migration to new web-based platform. Designed new system in SQL Server and ported existing data for integration. Re-engineered systems and improved efficiencies of SQL Server database; provided data analysis and mining for reporting, strategy, and regulatory purposes. Analyzed transactions and data structure and reported on financial and credit data in high-volume SQL Server environment; re-engineered and retuned stored procedures and queries; migrated data across multiple platforms. Maintained Sybase mail room database both remotely and on site; maintained employee and location mailing lists, delivery status, and records archiving. Created sophisticated web-based appraisal report writing software using AJAX, PHP, My SQL to fill and generate PDF appraisal forms on demand. Provided data analysis and created sophisticated database-driven document management system in SQL Server to handle – documents were fully merge able from database into Word and Word Perfect formats.

Carl-Johan Larsson

Expert blockchain developer

$50 / hr

$0+ earned

  Spain

Healthcare, copyright protection, IoT & IIoT, supply chain management, logistics and many other industries or enterprise solutions can be transformed with distributed ledger technology by adding transparency, traceability, increased speed with reduced cost of infrastructure. For several years we've been delivering complex FinTech solutions for our customers worldwide utilizing advantages of Blockchain technologies for online banking software, p2p money lending apps, cryptocurrency trading & exchange solutions, cryptocurrency mining and more. Decentralized Applications as a product of Blockchain technology evolution deliver several benefits such as direct payments processing; secure authentication and user-data storage; making storage of big data simple and inexpensive by utilizing blockchain network capacity and more.

Eli Watson

Web Designer and Developer

$25 / hr

$0+ earned

  Austria

Hi, with over ten years experience in website content development and design for various small and mid-sized companies, I feel confident that my abilities would prove an asset to your project. I have collaborated with marketing and production managers and company executives to create user-friendly content and target specific audiences to increase website traffic and promote company brands. Hope to get great offers here!

Ryan Harding

Full-Stack Web Developer

$30 / hr

$0+ earned

  United States

I am a Full-Stack Web developer of a File management aand Inventory monitoring web application. Built an application that was backed by node server and MongoDB. Highly proficient in building websites using HTML, CSS, jQuery, BootStrap, Angular.js, JavaScript, Node.js, Video.js, Vue.js, Backbone.js. Proven experience of building responsive websites. Knowledge of writing extended CSS coding languages such as LESS/CSS or SASS. Knowledge of using Adobe software such as Photoshop or Illustrator

Franco Velez

Full Stack Developer

$25 / hr

$0+ earned

  Spain

Hello, I’m a Full Stack Web Developer. I have worked for a variety of clients on several different types of projects. I can develop database and user compulsive web interfaces and templates, external web portals, creation of company intranet, and improving existing web applications and internal systems. My technical proficiencies include demonstrated expertise in HTML/HTML5, CSS/CSS3, PHP, Flash, SQL Server and a profound knowledge of JavaScript and C++. I also have a solid foundation in Express, AngularJS, and Node.JS.I have extensive experience in software programming and design and I feel that my professional and educational background will satisfy the requirements of this position. My professional experience includes designing and crafting code for various web functions and then testing the resulting code to meet client needs.API Development. I’m with competencies in Jquery, and Ajax, knowledgeable and certified in JavaScript. I'm masterful with UI styling tool Bootstrap and the Sass CSS preprocessor. I have In-depth knowledge of security protocols, secure payment gateways and other safety components applicable for e-trading websites.My technical proficiencies include: Photoshop and Illustrator and visual design, Wordpress plugins, themes, WooCommerce, PHP, HTML/ HTML5, CSS3, SEO, JavaScript , AJAX, MySQL, SQL, MongoDB.

Alan Wales

Senior Developer

$20 / hr

$9245+ earned

  Greece

I am an experienced Software developer, with a Bachelor’s degree in Computer Science, Master’s degree in Information Technology, and hands-on experience in all levels of testing, including performance, functional, integration, system, regression and user acceptance testing. I enjoy being challenged and engaging with projects that require me to work harder. The technical skills that I master: Languages: NodeJS, React, C++, C, Java, .Net, SQL, PHP, Python, RoR, Applications: MS Visual Studio, Eclipsel Application Server: JBoss, Tomcatl Operating Systems: Windows, Unix, Linuxl Database Systems: SQL Server, MySQL, MongoDB, Ingresl Certifications: CCNA, Unicenter Certified Engineer.

Henry Bailey

Software Developer

$25 / hr

$6505+ earned

  Sweden

I am a 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. My Skills: 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. 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'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 can do frontend development also using HTML/CSS and I'm particularly fond of jQuery for AJAX behavior and in-browser animation. 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: EDI, VBA, SQL, OOP, and software design and testing.

Ernest Giles

Software Developer

$25 / hr

$11091+ earned

  Norway

I have 10+ 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.

Frank Knight

Senior Developer

$25 / hr

$0+ earned

  New Zealand

I developed several big projects including ASP.NET MVC+MSSQL websites, WinForms applications. My core competency lies in creating reliable scalable architecture, designing databases, developing complex data and graphics processing algorithms including complex stored procedures. Also I have a lot of experience in developing single page applications (backbone, knockout), managing development team and interacting with customers. Also I have some experience in OpenGL, Unity3D, WPF and always ready to expand my horizons. I have been designed and developed a variety of business applications ranging from business directory to prototyping tool. I extensively use Ruby, Ruby on Rails, NodeJS, Redis, Postgresql, MySQL and Amazon EC2 to build back-end application and RESTful web services.