Sergiu Coman Email & Phone Number

Bucharest, Romania

Adobe Experience Manager

* Product Owner Voucher SaaS platform. * Presales Arhitect for OpenID Connect and OAuth based SSO implementation. * Presales Architect for Kong based API Gateway implementation. Responsible for customer requirements gathering and solution design. * Software Architect for messaging RESTful API designed to enable SaaS capabilities for a SMSC being deployed in a cross country IoT network. * Solution Architect for a browser based soft phone solution using Dialogic Power Media XMS to providing cheap and convenient calling option for overseas workers. Responsible for the end to end architecture, project costing and technical guidance and leadership for a team of eight people. * Solution architect and technical team leader for a service delivery platform (SDP) designed to support the development of IN services (including VoIP, Voicemail, Toll free numbers, etc).* Lead the development and integration of a full MVNO BSS/OSS stack built around SAP Convergent Charging, vTiger CRM, Open Cloud Rhino and Lumata Campaign Management System and custom order management and provisioning. Responsible for solution architecture and technical leadership for a team of 15 people. * SAP CC solution architect for SaaS mass billing platform * Product owner for the Computaris BSS/OSS stack* Presales Architect - responsible for technical offers, solution design, costing, third party product evaluation (build vs buy), hardware sizing (BoM), technical presentations, solution show cases.

* Technically coordinated end-to-end delivery of a self care platform for an Ericsson VPN implementation. Responsible for requirements gathering and user acceptance. Managed to obtain customer user acceptance with a very demanding customer. * Designed a central subscriber management system as part of a content delivery project.

* Created overall BSS/OSS architecture for greenfield MVNO – including integration of third party modules. Responsible for customer requirements gathering and analysis. * Designed online mediation functionality between CAPv2 and Diameter Ro. * Responsible for functional specifications and functional testing for an OrgaSystems convergent charging implementation.

* Responsible for the development of customer adaptation for prepaid billing platform deployed to tier one operators.* Successfully implemented and tested a new version of a prepaid billing platform providing scalability and high levels of availability. From 500 calls handled per second the new system could scale up to 2000 calls per second and more per system node. * Implemented multithreaded, highly scalable and generic CDR processing software used for charging non-IN services and as a backup for IN systems.* Provided production support including hotline and during that time I had been investigating and fixing difficult production problems: database deadlocks, memory leaks, memory corruptions, race conditions etc.

Bucharest, Romania

* Developed web application framework which was used for the dynamic generation of over 3000 hotel sites and over 100 regional portals. * Designed and developed web statistics module to measure the customer journey on the company’s tourism sites

Bucharest, Romania

* Designed and developed a production optimization system which enabled print shops to automatically compute most cost effective printing process and machine for the a specific order. The system is used by the online catalogue of the printshop to automatically calculate the price. * Designed and implemented an ordering and invoicing system.