Ruby Developers

Stephan Kovalenko

Ukraine

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I am Full-Stack Developer, I have 7 + years experience leading both front-end and back-end development, and performing quality assurance. Throughout my career, I have been acknowledged as a solution-focused professional with the ability to design and develop innovative applications using advanced technologies. Please consider the following highlights of my career: • Relevant Coursework: Operating Systems Architecture, Linux/Unix Programming, Usability in Website and Software Design, C++ Programming I & II, Web Page Development, Relational Database Design & SQL, Data Engineering, Advanced Software Programming. • Maximized applications’ efficiency, data quality, scope, operability, and flexibility. • Used various ideas from distributed computing, large-scale design, real-time data processing, data storage, ML, and AI to solve challenging dataset problems. • Managed, optimized, and updated PHP databases as necessary. • Developed app integration with REST / SOAP and other APIs for Google Maps, social media logins, payment processors, and other services. My Skills • Google Compute Engine • Android and iOS App Development • HTML, CSS, JavaScript, PHP • Bootstrap & Angular JS • jQuery • SQL Databases

• Hourly Rate$27 / Hr
• Total Earned$17950
• Experience7 Years

Erika Volner

Czech Republic

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Hi,My name is Erika Volner.I am a highly-skilled full-stack developer with over five years of experience in back-end and front-end development.I am personable, communicates extremely well, and very punctual.My duty is to understand my client's unique needs and make them a reality.On every project, my goal is to reach max efficiency, learn from every experience, and use both to improve the product.In a nutshell, I enjoys challenges, self-improvement, and providing top services. My main skills: Languages JavaScript, Java, TypeScript, HTML, CSS, Kotlin, Objective-C, Python, PHP, GraphQLPHP, ECMAScript (ES6), T-SQL, C#, SQL, Object Pascal, Delphi, Visual Basic. Frameworks Angular, Express.js, Bootstrap, Entity 5, Entity 6, AngularJS, Entity 4, Entity Framework Core, .NET, Sails.js, ASP.NET Web API, Windows Communication Framework (WCF), Windows Presentation Foundation (WPF), NUnit, NancyFx, ASP.NET, Entity, ADO.NET, Jest, Spring Boot. Libraries/APIs React, Node.js, Ag-Grid, Moq, Sinon.JS, Chai, Socket.IO, AMQP, Entity Framework, REST APIs, Web API, Ramda, AutoMapper, ZeroMQ, RxJava, RxJS, PrimeNG. Storage AWS S3, MongoDB, Microsoft SQL Server, SQL Server 2005, SQL Server 2000, SQL Server 2008 R2, Elasticsearch, Paradox, InterBase, Azure Cloud Services, Titan Graph, JanusGraph, SQL Server Management Studio, SQL Server 2012, SQL Server 2016, SQL Server 2008, MySQL, PostgreSQL.

• Hourly Rate$23 / Hr
• Total Earned$37070
• Experience5 Years

Mark Shchofeild

United Kingdom

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I am a software engineer and entrepreneur with an MSc in theoretical physics from Imperial College London. I excel at building full-stack systems with the web, desktop and mobile apps, microservices, and external integrations. I regularly releases TypeScript packages and contributes to other open-source projects.

• Hourly Rate$30 / Hr
• Total Earned$9175
• Experience8 Years

Edwin Rowe

United Kingdom

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I am an experienced expert web developer looking for a challenging new role in the IT industry with the opportunity to work with the latest technologies on challenging and diverse projects. On time and on budget. When I undertake project or task, I don't just complete it, I go the extra mile and make it better than requested. I have more than 7 years of experience and expert knowledge in website development, web design and web programming using PHP, HTML5, Css3, Java, .NET (C#, ASP), Ruby !

• Hourly Rate$30 / Hr
• Total Earned$9450
• Experience10 Years

Harris Arling

Switzerland

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I am an experienced Graphic Designer for over 8 years. I have worked on a wide variety of projects in different spheres and I have huge experience in design. The areas of my proficiency include: Graphic, UI, UX, XD Design, Animations, Illustartion, Photoshop JavaScript (React.JS, Node.JS, Vue, etc.) PHP frameworks (CodeIgniter, Yii,Laravel,Slim, etc.) HTML/HTML5; CSS Shopify, Magento, Prestashop, WooCommerce SQL Programming; Database Programming Android App Development, Windows Mobile, iOS Development Ionic, Xamarin, Swift, PHP, HTML5, CSS, JavaScript, Java, C++, C#

• Hourly Rate$34 / Hr
• Total Earned$4800
• Experience8 Years

Gustavo Cardelle

Argentina

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I have 10,000 "Boosts" on Tradingview Every time you bookmark a script, you do a Boost. In other words, 10,000 people today use my indicators https://www.tradingview.com/u/gu5tavo71/#published-scripts Over the years, I have developed hundreds of study scripts, indicators and strategies. I am an active contributor to Stackoverflow, PineCoders, and other communities, which has given me a lot of experience in multiple trading fields.

• Hourly Rate$25 / Hr
• Total Earned$0
• Experience0 Years