Development and maintenance of Ruby on Rails based data warehouse platform.I was directly involved in:● Architecting and implementing a ruby library for working with Facebook Marketing API● Leading a small team (2-3 engineers) and overlooking / coordinating several users acquisitions projects, which targeted cost and advertising performance tracking● Building out marketing assets management tools● Communicating needs and problems around Adwords API and Marketing API with… Show more Development and maintenance of Ruby on Rails based data warehouse platform.I was directly involved in:● Architecting and implementing a ruby library for working with Facebook Marketing API● Leading a small team (2-3 engineers) and overlooking / coordinating several users acquisitions projects, which targeted cost and advertising performance tracking● Building out marketing assets management tools● Communicating needs and problems around Adwords API and Marketing API with internal teams and customer support of the respective companies● Building financial reports for marketing spends (giving a unified view of online and offline costs)● Architecting and implementing UTC alignment strategies● Maintaining cost allocation in the reporting framework● Improving geographical resolution / allocation of marketing spends● Reducing offline spend leg by adding support for cost estimates throughout the system Show less

Development and maintenance of Ruby on Rails based data warehouse platform.I was directly involved in:● Designing and implementing a TV advertising cost / performance tracking system which managed costs of several millions of dollars a year● Improving online advertising cost tracking system in order to being able to support 100+ different publishers● Supporting internationalisation of online and offline advertising throughout the data warehouse stack (several time zones and… Show more Development and maintenance of Ruby on Rails based data warehouse platform.I was directly involved in:● Designing and implementing a TV advertising cost / performance tracking system which managed costs of several millions of dollars a year● Improving online advertising cost tracking system in order to being able to support 100+ different publishers● Supporting internationalisation of online and offline advertising throughout the data warehouse stack (several time zones and currencies)● Maintaining in-house ad management system (Google Adwords)● Maintaining and improving reporting framework● Communicating users acquisitions needs and planing of system changes according these needs● Reworking the mailing system in the report framework Show less

Development and implementation of audio processing algorithms for VoIP applications. Porting and optimization of different codes for MIPS platforms.Implementation of DTS MA audio decoder.

Audio quality engineer with focus on different audio standards and certification procedures.Implementation of automated tests using Audio Precision and it's built-in Visual Basic scripts.

Development of testing tools (toolchains), testing of audio sub-systems, preparation for certification.

Member of the DSP and Audio groupVideo decoder implementation (H.264) on a custom built video processor, development(enhancement of instruction set) of a highly efficient video processor.Audio decoder implementation (MPEG1/2/2.5 Layer1/2).Software testingAudio quality testing.Preparation for Dolby certification (DD and DD+).

Audio decoder implementation (MPEG4 AAC LC on a floating point DSP).Porting of C code and optimization.