Crystal Developers

Karl Fischer

Germany

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I am a full-stack developer with 8+ of experience. I have worked on a lot of full-stack projects, ensured compatibility with browsers on both desktop and mobile platforms, resolved bugs in projects to improve both visuals and functionality. I have built and back-end and developed and designed front-end of numerous websites and webapps, platforms, softwares, mobile apps for IOS and Android etc. My skills include programming languages and frameworks like JavaScript, PHP, SQL, HTML5, CSS3, Python, C, C++, C#, Next.js, Vue.js, Bootstrap, Laravel, CodeIgniter, Django, React-Native, Asp .Net Core, Asp .Net MVC, Node.js, Express, Adonis, Nest.js, Java, Spring, Spring boot, Spring MVC, Ruby on Rails. I also have experience in working with databases (PostgreSQL, MongoDB, MariaDB, MySQL, Oracle, Microsoft SQL Server, MongoDB, Redis, Elasticsearch, Cassandra, IBM Db2) and APIs (Discord, GitHub, PayPal, eCommerce, YouTube, Google Search, Google Earth, Instagram, Twitter etc.) I have built and optimized data models, schemas and database systems to ensure responsiveness of web pages, writing clean and efficient code that follows established standards, solved complicated backend tasks and much more.

• Hourly Rate$25 / Hr
• Total Earned$23520
• Experience8 Years

Mia Yevtushenko

Ukraine

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I am a Full Stack Developer with more than 6 years of career experience. Throughout my career I have participated in many big and successful projects. I have worked with many worldwide companies and can insure you that I am very experienced and skilled! Please notice and consider the following skills, which I have developed throughout my career: CSS, PHP, HTML(Laravel, CodeIgniter) JavaScript(Angular, Next, React, Vue) CMS systems - Drupal, Shopify, Wix, Joomla, WebFlow, WordPress Web Design –UI/UX, Adobe XD, Illustrator, Mockup Design,Wireframe Design, Graphic Design Mobile Developer/Designer- Swift, Objective-C, Ionic, React Native

• Hourly Rate$20 / Hr
• Total Earned$1280
• Experience7 Years

Agmund Alfson

Norway

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Hey there! I am an Full Stack Developer with over 8 years of experience and a deep passion for programming. I focus on responsive web and application development for small to medium length businesses. I Launched multiple projects from the empty repository to fully-functional production deployments. I really like solving problems and tackling new troubles, constantly striving to discover the most efficient solutions. I am experienced with Full Stack Development: Frontend - Languages - JavaScript, TypeScript. Libraries, frameworks and tools - HTML/CSS, React, Tailwindcss, Bootstrap. Backend - Languages - Java, Kotlin, JavaScript, TypeScript. Libraries, frameworks and tools - Spring, Express. Database systems - MySQL, Cassandra, MongoDB, sqlite. Mobile - Languages - Java, Kotlin, JavaScript, TypeScript, Dart. Libraries, frameworks and tools - Android, React Native, Flutter. I always deliver great quality and I really care about getting the result right.

• Hourly Rate$30 / Hr
• Total Earned$0
• Experience8 Years

Louis Romano

France

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I am a full-stack developer having 9 years of experience in web and mobile app development technologies. I have worked on many projects, from small start-ups to big organizations. I keep myself updated with the latest updates in technology and try to sync my work. This helps in making a product future-ready and updated, also keeps me challenged and motivated. In my carrier, I have got multiple opportunities to assist and work on varied projects in approach and functionality. I am available to discuss your project right away and can start immediately. • Focus on details and quality. • Create clean, modern, testable, well-documented code. • Improve, add new features and build new software solutions. • Cross-browser compatibility issues and ways to work around them. • Layout aesthetics, responsive apps. • Confident UI development. • Strong problem-solving skills. • Integration 3rd API or external widget to your product. Skills: ✔ ReactJS / Redux ✔ Node.js / Express.js ✔ JavaScript (ES5/ES6/ES7+) ✔ MongoDB / Mongoose ✔ GraphQL / Apollo ✔ PostgreSQL / Prisma v2 ✔ Firebase DB / FireStore DB ✔ HTML5, CSS3 with SCSS, SVG, canvas, animation ✔ Semantic UI / Material UI / Bootstrap UI ✔ IndexedDB ✔ AWS S3 ✔ Git / GitHub / GitHub Actions I'm very passionate about advanced web technologies. My best goal is to satisfy my clients’ requirements very accurately. If you hire me, I will do my best to deliver the quality in time. It will always be my happiness whenever my clients enjoy my excellent performance. I would love to assist you with your requirements.

• Hourly Rate$30 / Hr
• Total Earned$19250
• Experience9 Years

Marcus Porter

United Kingdom

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I am an experienced and qualified software developer with more than 15 years of experience in back-end projects, web applications and more. I am a developer who is ready for new challenges and I’m ready to realize each and every client’s desired project with a high quality.

• Hourly Rate$58 / Hr
• Total Earned$25950
• Experience10 Years

Lukas Koch

Austria

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Hi! I am a Full Stack Developer with 8 years of experience. I have raised UX scores through better site design, created client databases with Oracle. I have increased customer retention through improved Agile development. Created web form network for local veterinary office. Used C# and ASP.NET to construct REST API end-points and real-time WebSocket connections. I have troubleshot network, printer, and library supported software issues, and provided a consistent technology checkout service to library patrons. I am experienced in developing web-based and application-based software solutions. Created web form network for local veterinary office.The skill that I have include Java, C#, C++, MongoDB, Oracle, Angular, Vue.Js, PostgreSQL, Golang, Python, Perl, CSS, Jquery, Typescript, PHP, NodeJS, Ansible, Varnish, Firebase, ORM, AWS, om , Nginx, HTTP/2, CDN,b Yii 2, MySQL, Express JS, Spark, Git and GitHub. Best regards Lukas

• Hourly Rate$28 / Hr
• Total Earned$29767
• Experience8 Years