Andrii Backend Developer

  • Kyiv, Ukraine

ID: 86322

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Skills description

Ajax
Ajax is a revolutionary idea that appeared in 2005 and almost immediately changed the web development world. In Jesse Harettom published article were revealed some based approaches of how to optimize the development of web solutions to avoid the web pages overloading. Then the Ajax appeared. Ajax is not an independent technology, but rather the concept of using multiple related technologies. Ajax model works like this – user visits a website and clicks on any elements, the web browser immediately sends a target request to the server, and the server gives only that part of the document which was changed. Simple, but much faster! What should we do to hire the best Full Stack Ajax Developer? Well, you can surf the internet for ages of just find good Ajax Freelancers here! Hiring an Ajax Programmer is not hard anymore! Furthermore, on AOG you pay only for approved hours and tasks, no any extra fees for search service or something! Check out the online catalogue or ask us if you have some any additional questions.
Android
AOG follows IT trends and has experts in the latest technologies. Android is a mobile operating system for smartphones, tablets, e-books, watches, netbooks, smartbooks, Google glasses and other devices. Originally the system was developed by Android Inc. Later on Google bought it and now Open Handset Alliance initiated by the company is in charge of Android platform development and support. This system is developed on Linux core and Java from Google. Lots of modern devices are designed on Android and it is constantly developing. Today voice-based features (calls, texts, navigation), multitasking of apps, TV recording, video calling and multiple language support are available. Android devices are set for native and instant apps. Gaming industry develops thousands of products for devices working on Android system. This technology is wide-spread for startups and misc mobile apps. Android developers are on demand now and AOG offers its clients the best Android experts. Check the skills of our IT talents and choose the one for your project!
AngularJS

AngularJS technology is an open source JavaScript based framework proudly developed by Google. AngularJS is designed for a single-application development, using only traditional HTML, CSS and of course JavaScript code. Its goal is an expanding of browser applications using MVC pattern, as well as a simplifying of the testing and development processes.

AngularJS was designed with the strong conviction, that the declarative programming suits best for building good user interfaces and descripting the software components, while the imperative programming suits to describe the business logic. Simply speaking, AngularJS looks like perfectly optimized web framework, aimed to make a frontend programming much easier.

AngularJS proves its popularity by numerous projects like:

As you can see all these projects have simple and user friendly structure. Angular is used to build education websites, platforms for job search, travel, business, shopping and more. Even Google uses Angular for its projects like Save the Date or Google Allo.

No wonder this technology is very popular among freelancers from Ukraine. Experienced FrontEnd Angularjs developers are available to be hired for projects of different complexity levels. AOG appreciates dedication and professionalism, so we offer you only top rated freelance developers!

Request the best specialists for your project below!

Java
Java was released by Sun Microsystems in 1995 as its main development platform. Later it was engaged by Oracle, which acquired Sun Microsystems. Syntax is largely similar to C and C ++. In the official program implementation Java-applications are automatically compiling into a byte-code that may be interpreted for any platform. One of the Java concept features is that errors (exceptions) do not lead to a complete system collapse. Also, Java uses automatic garbage collection for a memory management during the life cycle of the program. Highly qualified BackEnd Java programmer decides when to create objects and virtual machine start freeing the memory after the object is no longer needed. That’s how real optimization works! On the AOG you can even find a professional outsourcing team of Experienced Full Stack Java Developers and hire them immediately! Just check out the catalogue, choose someone and make your offer. Hiring a good Java coder or team is much easier now!
JavaScript
Remember all that animated menu varieties, scale and parallax effects that are frequently used on almost all web pages today? Here is an age-long secret – it’s a JavaScript magic! Cool, right? Almost all Experienced FrontEnd Developers use JavaScript magic to make blank web pages looking more interesting and brighter. JavaScript is also used for the deep server side programming (like the programming languages Java and C #), game development, stationary and mobile applications producing. Top developers worldwide work with JavaScript everyday. You can choose a Middle JavaScript Developer or even a Senior Full Stack JS Programmer and we will help you to manage your developers! We have 5 Talent integration managers that are available 24/7 for you!
jQuery
More than half of the web sites you surf everyday are written using JQuery. Striking news? Yeah! JQuery became a JavaScript monopolist! JQuery is probably the favorite tool of every Experienced FrontEnd Developer. In fact, JQuery is a complete JavaScript real-time library and it tends to be the most popular JS-based framework today. jQuery professional syntax was designed to make the navigation more convenient. It offers us a much easier items selections process, clear animations creation principles and faster AJAX-applications developing algorithms. It also provides a good chance for Full Stack JQuery Developers to use plugins on the top of the JavaScript code library. Using these features, Experienced JQuery developers can create high level animated effects. Need some assistance? Ask our managers and they will help you to choose a real JQuery-Ninja for your needs! AOG works 24/7!
MySQL
Well, it’s MySQL! The most popular thing within the database world. Did you ever know that even Apple use it as their main database ground? That might sound incredible considering Apple security level but still, it is true! MySQL was developed by "TLC" in order to improve very large databases processing performance. MySQL DBMS was created as a strong non-commercial alternative to other commercial-oriented systems. MySQL was originally quite similar to the simple mSQL system. During the long time, it was expanding constantly, that is why MySQL is probably the most optimized and errors-free DBMS now. It is used primarily for creating dynamic databases for web pages because of its excellent language support. Highly Qualified MySQL programmers are the professionals who may really know how to set up any database in an appropriate way. Each of the Full Stack MySQL developers presented on the AOG has enough experience to help you with your databases. Also, they may join your project as technical specialists if you want. MySQL Freelancers are available around the clock, so you can choose the appropriate timelines and deadlines to make the cooperation more convenient.
SQL
If HTML is a basis of frontend programming, then the SQL is a key to the deep database programming and managing of almost every existing DBMS. Using this language, you can manage different data, filter and analyze information even in very large volumes. In general, SQL first appeared in 1974, but it is still widely used by programmers who work with different databases platforms such as MySQL, because of its versatility and uniqueness. Did you know that a well-known Microsoft Access application is also based on the SQL? Yes, SQL is much closer than it seems. It’s everywhere! Typically, experienced SQL developers are working with multiple platforms and databases systems. It is an incredibly big advantage! You can hire a highly qualified SQL database developer and get an expert advice from him or simply involve him in your project as a BackEnd SQL Freelancer. During one week you can test your candidate and if he will not satisfy you, we will replace him for another one without any difficulties!
MongoDB
MongoDB is database management system that doesn't require a circuit description tables. MongoDB occupies a niche between fast and scalable systems that operate data in the key-to-value form and relational DBMS which are more convenient in queries forming. MongoDB code is written using C ++ and distributed under the license “AGPLv3”. The main conceptual advantage of the system is quite flexible language of queries forming. Information storage and documentation language used in the system is much more productive than others. It may allow you to use resources much more efficiently and comfortably while managing the data sets. Database programming is a very specific IT-field. That is why you may need a highly experienced Mongodb freelance developer to get your DB tasks done. Obviously, if you are rapturously planning to offer a great code challenge, it would be probably better to hire a Middle or Senior Mongodb Developers ;) On the AOG we use sign the contracts in the English jurisdiction, so the freelance developers contracting processes are absolutely secure and trustworthy.
Backend
A back-end developer is in charge of server side of a project, logic and integration of front end team development. One of the main responsibilities of a back-end team is coding in a general language, mostly in Java, C# and PHP. Recently Microsoft and the .NET community puts remarkable emphasis on C#. Ruby, Python and other technologies are growing in demand too. Back-end developers are broad specialists with expertise in: versioning; data modelling / conceptualization; code optimization; caching; C; security issues; database design; any web application language with expertise on at least one framework; cloud SaaS applications. If you need a back-end developer or a team check the best IT experts from the list below! AOG works only with reliable and trusted developers!
React.js
React.js (or React) is an open-source library for user interface creation. It is aimed at solving problems on partial renewal of a web page that developers of one-page apps are facing. React enables to develop big apps that use vast amounts of changing data without page reload. With this technology this process is fast, simple and scaled. React works only with user interface side used in apps. Currently React is used by Netflix, Sony, Yahoo and others huge companies. If you want to appear in this list request AOG React experts and get the best match for your project!
Full-Stack
Getting into IT is not that difficult it used to be. Its dynamic nature makes specialists learn more techniques, tools and languages. To make a worthy project it is necessary that for a developer to be aware of a serie of misc technologies. Full stack developer has skills both at front- and backend. He/ she is able to work with database, PHP, HTML, CSS, JavaScript and make Photoshop mock-up into a ready-for-use template. Full stack developer needs to be able to work with all these technologies and does not need to be pro in all of them. So a good full stack developer knows about the following: System administration (Linux, shell scripts; cloud technologies like Amazon and Rackspace; search servers settings like Elasticsearch; Varnish, Memcached and other cache tools; monitoring - Nagios). Web development tools (version control: Git, Mercurial, SVN; VirtualBox, Vagrant). Back end technologies (web servers: Apache, Nginx; programming languages: NodeJS, PHP, Ruby; data base: MySQL, MongoDB, Cassandra, Redis, SQL in general). Front end technologies (HTML / HTML5, CSS / CSS3: LESS, SASS, media queries, JavaScript and its derivatives: JQuery, AngularJS; AJAX, JSON, XML, WebSocket; responsive design). Whatever project you need experts at AOG are at your service. Choose the best full stack developer and create projects together!
Artificial Intelligence
The artificial intelligence technologies are increasingly penetrating our everyday life. They are being used in various fields from gaming, journalism, mass media, finances on out to robotronics, medicine diagnostics and quantum sciences. Artificial intelligence research implies not only robots’ invention, but also intention to explore and figure out the mechanism of the human brain for thinking and functioning. This will definitely lead to the invention of some very intelligent machines that will think and operate like people. That’s why when we say “artificial intelligence” we mean something capable to take decisions based on the certain information. Artificial intelligence is not to be sensed physically and computer chess program is a quite fair example of it. AI development demonstrates computer evolution. Since it has been invented, we got a chance to improve the quality of life. Now, thanks to AI, we can manage energy producing plants or make any machine easy-to-use for the humans. Despite of all beneficial abilities, AI is unlikely to be able to replace the human brain one day. When working with the AI we need require analytical skills and ability to cost-effectively solve problems. It’s necessary to keep abreast and follow up technological innovations applied in the most modern computer programs in order to increase the competitiveness of the company. Besides AI specialists are required to have technical skills to design, maintain and restore the technologies and programs. And last but not least - communication skills and capability for team work. The candidates listed below meet all these requirements as they have been assessed against sustainability criteria and ready to join your project on your request. Since the invention of AI in 1950s and till now it continues to promote and improve the quality of many spheres of life. As a result, the work of the specialists, who turn cyber bits into human perception and move computer on to the intellectual level, will always be sought after and decently rewarded.
Fintech
Fintech is a term of financial technology used to denote financial services sector in the 21st century. It comprises all up-to-date financial technologies from basics of financial education to investment and banking. Technology of FinTech is rather popular being used by broad strata of society: b2b for banks providing premium quality services to their clients; business clients who take advantages of these services; b2c for small businesses; their consumers. FinTech is moving towards mobile banking, mobile trading, digital wallets and mobile wallet systems, financial advisory, mobile apps with analytics, fraud detection and other useful options

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