I worked in an Investment developing department.Here are some major stages:1) backend (core, API) for the social network for traders (Tinkoff Pulse);2) the entire backend for the asset management division Tinkoff Capital (ETFs):- participated in the launch of project as the main developer- created and supported about 15 microservices, which include these functions:integration with partners (exchanges, market makers, accounting), calculations of the portfolio of funds and indices, API for fronts (mobile apps, website, admin panels), electronic document management, audit services

I worked as Java developer in integration department. We developed integrations on bank's Enterprise Service Bus (ESB). It was Sonic ESB. And of course we supported our own services.My duties:- development and support of system integration processes - development and support of ESB architectural and infrastructure solutions - refinement of vendor application core services - development of integration services testing scripts - automation of internal processes of the department Bus Tech stack: Sonic ESB, IBM MQ, jms, jdbc, Oracle database, spring, Apache camel, tomcat, nginx Participation in large projects of the department: - transfer of the bus domain to aspect-oriented logging - development and implementation of a mechanism for re-delivery of messages and modification of error handling