Konstantin Kosarev is an experienced technology and IT professional with over 15 years of track record in designing, developing, delivering B2C and B2B SaaS projects. He has worked numerios clients in industries including telecommunications, insurance, healthcare and retail. He has passion for designing and delivering high load/high availability enterprise level application using cutting edge technologies. Skilled in OSS/BSS including SDN/NFV, Order Management, Provisioning, Customer Care/CRM, e-Commerce, Payments, PCI DSS, SaaS. Strong information technology professional with a Master of Science focused in Physics, Mathematics and Computer Science.Frameworks and Software: Typescript/JavaScript, React, Node JS, Python, Django, Sequelize ORM, AWS Services (EC2, S3, Lambda, RDS, DynamoDB, CloudWatch, SNS, SQS, etc), Heroku, GCP, Docker, Kubernetes, Java, Spring boot, Hibernate, JPA, EJB, Junit, Kafka, Kubernetes, Docker, CI/CD, Jenkins, Maven, Ansible, Gradle, Oracle DB, PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, WebLogic, Tomcat, JProfiler, AppDynamics, Prometheus, Icinga2, Graphana, ServiceNow, GIT, SVN, SOAP, REST API, JSON, GraphQL