Development of modern Rostelecom IT landscape — Billing, CRM, product catalog, order management, middleware. A new development department was founded in Rostelecom. Source code of core products were bought, adapted and modernized. - Made and approved more than 100 of high level architectural and technical decisions- Specified requirements to development, testing, staging environments- Defined SDLC (software development life cycle)- Defined git flow- Organized… Show more Development of modern Rostelecom IT landscape — Billing, CRM, product catalog, order management, middleware. A new development department was founded in Rostelecom. Source code of core products were bought, adapted and modernized. - Made and approved more than 100 of high level architectural and technical decisions- Specified requirements to development, testing, staging environments- Defined SDLC (software development life cycle)- Defined git flow- Organized transfer of tens software components and 3 millions LOC- Examined acquired source code by code analysers and expert analysis- Examined acquired software components by discovering quality attributes - Identified technical debt, divided among dev teams- Decreased technical debt by reviewing technical decisions and guiding dev teams- Optimized release cycle from 3 months to 3 weeks, discovering dependencies among teams and proposing key initiatives- Optimized SDLC by introducing feature toggles- Optimized customer order process by redesigning interaction between CRM and Product catalog- Defined principles of design BPMN Camunda Processes - Organized data model change monitoring Show less

Enterprise Product Catalog API (Development from scratch) High load in-memory compute grid (Apache Ignite)Search engine development for Enterprise Product CatalogFull deployment automation (CI/CD)- As a software architect I introduced and implemented the CQRS pattern. Adapted Apache Ignite in-memory grid for fast and reliable catalog API. - Defined main search algorithms and algorithms for filtering product offerings. - Inspired and guided team of 4 Java developers,… Show more Enterprise Product Catalog API (Development from scratch) High load in-memory compute grid (Apache Ignite)Search engine development for Enterprise Product CatalogFull deployment automation (CI/CD)- As a software architect I introduced and implemented the CQRS pattern. Adapted Apache Ignite in-memory grid for fast and reliable catalog API. - Defined main search algorithms and algorithms for filtering product offerings. - Inspired and guided team of 4 Java developers, 1 QA and 1 analyst- Replaced cache warming by Ignite Compute grid- Reached high level customer experience by instant product offering publication (without long cache warming)- Released modern catalog driven market (https://rt.ru) by integrating with catalog API - Achieved 99.9% API uptime by setting up Blue-Green deployment of catalog API Show less

Implementation business processes of connecting services to clients. Implementation workflows between many company departments, billing systems.