Position: Senior Java Developer
Category: Java
English level: intermediate
Years of experience: 11


Current project: Security as a Service product, which fetches AWS, Azure and GCP accounts resources and analyzes for security threats. Health for each resource is visualized in the portal. Issues with security are viewed in portal and customers are given rationale and advices for fixing security issues:
Technologies: Spring, Spring Boot, Java, JavaEE, SQL, AWS, Azure , GCP Responsibilities:
 Development of collectors for resources in AWS, Azure and GCP
 Implementation of threat detection rules
 Attending in status meet with customer in USA twice a week
 Code review

Project CODA (KCell Company): CODA provides single interface for internal projects and systems using Endpoint systems such as Billing & Charging, HLR, VAS and USSD - cornerstone in IT infrastructure of telecom business. Acting as a middleware CODA allows to:
 be loosely coupled to vendor systems;
 swap service provider without affecting other systems;
 pre & post endpoint system processing;
 implement complex business logic interacting with several endpoint systems concurrently;
 manage transaction in endpoint systems;
 Around 40 systems use CODA API making it the main integrational bus in Kcell IT infrastructure;
Technologies: Java, JavaEE, SQL, PL/SQL, Linux, SOAP, HTTP Responsibilities:
 Code review in Git;
 Consulting Junior & Middle developer;
 Consulting business customers;
 Architectural design;
 Managing changes to fit current project conventions;
 Maintenance legacy code;
 Implement new functionalities;
 Provide 24/7 system access;
Tasks performed:
 Optimized Billing & Charging API usage which allowed to reduce the execution time by 20%;
 Improved deployment script which resulted in three times faster deployment;
 Fixed critical bugs which cut down complaints to call center;

Project MobiMoney (KCell company): Mobile Financial Service  acts as a middleware and backend for online payment platform where utility bills, online games and other services could be paid from mobile balance. As a middleware, MFS allows interaction and swap among service providers. As a backend system, MFS plays role of platform management API