Sergey Ostrovsky

• Over 23 years of experience into software development as a Web/Application Developer, Python Developer, tester, Build engineer, Php and wordpress developer and coding with analytical programming using Python and Java. • Good Experience with Django, a high - level Python Web framework. Experience object oriented programming (OOP) concepts using Python, Django, Flask, Perl, Ruby and Linux. • Experienced in developing web-based applications using Python, Django, XML, CSS, HTML, JavaScript, Angular JS and JQuery. • Good experience with AWS Cloud EC2, Simple Storage Service S3, Lambda, Terraform. • Familiar with JSON based REST Web services and Amazon Web Services (AWS). • Worked on SQL, MySQL, PostgreSQL, MongoDB, Oracle, SQLALchemy and PL/SQL stored procedures which are used to create access to data and deployed them to Oracle and SQL server databases. • Well versed with design and development of presentation layer for web applications using technologies like HTML, CSS, JQuery, XML and JavaScript. • Working knowledge on Hadoop eco-systems for Bigdata technologies and expertise working on Snowflake queries. • Worked in agile and waterfall methodologies with high quality deliverables delivered on-time. • Maintained detailed documentation and architectural solutions in IT infrastructure and sales systems. • Good experience with continuous integration and automation using Jenkins, Kubernetes, Docker and RabbitMQ. • Experience with Unit Testing/ Test Driven Development (TDD), Load Testing. • Developed the required XML Schema documents and implemented the framework for parsing XML documents. • Experienced with design Methodologies like MVC, OOP, MVVM and OOD. • Working Knowledge on VMWares and integrating them into Putty. • Working experience with various types of operating systems Centos, Linux, Ubuntu and Windows. • Well versed using GitHub and its components. • Practical experience with working on multiple environments like development, testing, production. • Excellent analytical and problem solving skills and ability to work on own besides being a valuable and contributing team player.