Co-designing and developing Real-time bidding platformTechnologies & Tools: JEE, Spring, Redis, RabbitMQ, Cassandra, Nginx, Lua

Project #3 CRM and Workflow system for Emitel- Designed and developed REST services- Wrote integration layer for existing systems- Incorporated Solr for efficient searchProject #2 - Tools4Business - CRM as a service (SAAS)- Refactored model, service, controller and view layer- Extended UX with ajax operations- Developed LinkedIn integration for client/contact importProject #1 - MojaPolis.pl – a portal focused on gathering and presenting statistical data about Poland in user friendly manner with some 'social web' flavor.- Developed indicators import/export functionality- Developed notification functionality for events regarding indicators state updates- Developed LifeRay users export portlet

- Took part in code review process- Co-designed porting “anti-fraud” (thick client) application into web based solution - Developed SOAP based web services- Developed “clients” for several SOAP based web services  - Introduced SoapUI into testing phase for mocking web services used by “clients” implementation

Subcontractor for Nokia Gate5, for development of Ovi Place Registry (part of Ovi Maps backend ecosystem) – service for creating and finding unique identifier for places. - Co-wrote category management- Designed and developed validation layer- Designed and developed declarative authentication for business logic services- Co-wrote SUP based notification service

Supported pre-sales phase (draft architecture) for PTC Era (polish mobile operator), Dialog (cable line phone operator), UKE (Office of Electronic Communications - national regulatory authority for the market of telecommunications and postal services)- Co-designed centric oriented system for (in one day) mobile number portability between all polish mobile operators with support for 112 alarm calls- Co-designed portal-like solution proposal that replace legacy “Portlets 1.0” solution and gives possibility for moving solution to new application server (Weblogic 10) and simplify further maintenance and retain current L&F and functionality