Serhii

  • Kharkiv, Ukraine

ID: 414707

About Me

DevOps engineer / System Administrator, QuickBlox - 3+ years of experience in Amazon Web Services (EC2, RDS, ElastiCache, DynamoDB, VPC, Route53, IAM, CloudWatch, CloudFormation, S3, SQS, SNS, SES ); - system administration Linux (CentOS, Ubuntu) and Windows Server 2008/2012; - experience with scripting languages (Bash, Ruby); - good experience with software development automation tools (Jenkins, Bamboo); - big experience work with developers and QA, and other teams on improving efficiency and robustness; - designs, administrates, and supports systems, networks, and application infrastructure (e.g. LAN/WAN, firewalls, routers, systems security, email systems, etc); - maintenance, support and monitoring of distributed environments; - perform deployments and updates of the system; - SQL (MySQL, MariaDB) and NoSQL (MongoDB); - consult and assist in infrastructure overviews, cost estimations; System Engineer at EPAM Systems. Ukraine. Information Technology and Services. 8 people have .... Image for AWS for DevOps: High Availability and Elasticity ...

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Skills description

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!
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.
.NET
.NET is a software technology proposed by Microsoft as a platform to create both traditional desktop programs and web applications. To some extent, it is an enhanced continuation of the ideas and principles we know from Java. One of the ideas is that .NET compatible services may be fully written in different languages. Besides, .NET is a versatile cross-platform technology. For now, there are at least Microsoft Windows version called FreeBSD and the option for Linux, named DotGNU. Considering that these two operating systems are extremely popular among the developers, NET Framework tends to become one of the core professional competencies of backend developers. Most of modern digital outsourcing companies have whole teams of Middle NET Developers and, of course, Highly Skilled Senior NET Developers. NET teams work on the producing different software solutions using outstanding .NET framework. Choosing the NET developer, you may be absolutely sure that you will get a perfect technology master, previously interviewed by AOG’s recruiters! The most striking advantage of the system is an easy user interface and a wide set of different plugins for a website customization. Professional Full Stack Umbraco developer can create a complete and stable web resource with a broad functionality using Umbraco. Besides offering a high level of system security, Umbraco is a very versatile open-source instrument and that is why so many developers constantly use it as their main website development instrument. Our main talents location is Eastern Europe – a new heart of IT-industry! Both Middle and Senior Umbraco Developers are available for you. Choose a good executor using our TOP high skilled Umbraco Freelancers list!
Python
The “Python” name was borrowed from the TV show called Monthly Python and a language itself was developed in 1990. Python supports different programming modules and packages that promotes modularity and smart code reuse. Python interpreter and standard libraries are fully available for all the major platforms in compiled and original versions. Python authors were guided by a philosophy of simplicity and immediacy, as an unwavering guarantee of quality. Python’s philosophical paradigm implies a harmony, beauty and an avoiding of excessive complexity. That's why Python is considering as one of the most easiest programming languages and as the very prospective one. The so-called generation of Python is quite young and very progressive. This is why even highly qualified Python developers are still quite young, but ambitious professionals. Python freelancers have an experience in the complex implementation of dynamic interactive web sites and web applications. Python has no limits, so Full Stack Python developers professionalism is limitless too. AOG offers you to work directly with the Python developer and our managers will help you 24/7!
Ruby on Rails
Ruby on Rails original technology offers us a flexible web framework that ideally suits for a different complexity backend programming. Besides, RoR is an absolutely hassle-free open-source developing software, so that's why our beloved Ruby has gained an indisputable popularity among high qualified developers worldwide. Despite the amazing fact that RoR is quite a young language, it became extremely popular on the technology market very quickly. In particular, such websites as GitHub or Shopify are written by highly experienced RoR developers using this amazing framework! If you need to hire a qualified Frontend RoR or even Full Stack RoR developers, we advise you to analyze experience they already have. Our team are constantly working on choosing only best middle and senior RoR freelance developers, so you can be really sure that the cooperation with anyone we recommend will bring you a perfectly crafted web solution.
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.
QA
Everyone who is expecting to get a professionally created software should take the services of professional QA Specialists. QA is a process of testing, inspection and resuming the requirements which are needed for the final end-product improvement. Once your product is ready, or nearly ready, it should be quickly transferred to the professional QA freelance engineers for the QA-audit. Highly-qualified QA Freelancers will carry out all the required operations in order to identify shortcomings, errors or inconsistencies with your own terms of reference. This data will be sended to the developers, so they will improve all the problematic gaps and you will get a perfectly working software! Most Full Stack QA Specialists you see on AOG have experience in large comprehensive projects for corporate clients based in the USA and even worldwide! Younger professionals were involved in local projects of medium complexity, so you can be strongly confident in the professionalism of your potential QA Ninjas!
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!

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