Aleksandr Panzin's Email Addresses & Phone Numbers

Sr. Sofware Engineer @ Grubhub Greater New York City AreaAndroid Consultant @ iLightStars MyStar Android mobile application development consulting From April 2010 to January 2012 (1 year 10 months) IT Consultant @ ActiveLogic.EU Software and systems architecturePolyglot software developmentIT systems consultingBusiness Intelligence, BigData, data processing, data analysis, optimised data storage and processing technologies(NoSQL, HBase). From September 2011...

Sr. Sofware Engineer @ Grubhub Greater New York City AreaAndroid Consultant @ iLightStars MyStar Android mobile application development consulting From April 2010 to January 2012 (1 year 10 months) IT Consultant @ ActiveLogic.EU Software and systems architecturePolyglot software developmentIT systems consultingBusiness Intelligence, BigData, data processing, data analysis, optimised data storage and processing technologies(NoSQL, HBase). From September 2011 to April 2015 (3 years 8 months) European UnionSenior Software Engineer (BigData, Analytics) @ Hotels.com Marketing systems optimisation process (Google AdWords focused)Technologies used:- Hadoop/Hive/Oozie- Scala- Cassandra- Play Framework- Apache Kafka- Cascading/Scalding- Akka- Docker From February 2014 to February 2015 (1 year 1 month) London, United KingdomSr. Software Engineer @ Barclays Corporate Banking Mobile payments backend systems development and integrationJava and ScalaThales e-Security HSM integrationhttp://www.barclayscorporate.com/products-and-solutions/cash-management/barclays-pingit-for-corporates.html From September 2013 to January 2014 (5 months) London, United KingdomSenior Developer @ LocalWorld (DailyMail local,newspaper venture) - Complex problem solving - Full text searching using Apache Solr - NHS Selects data feed integration - MongoDB using Spring Data and Spring Batch - Publishing systems interfaces - Coherence to EhCache(Teracotta) migration - Amazon Web Services EC2, S3, Oracle RDS and Akamai - Using AppDynamics for monitoring. - Hibernate and caching troubleshooting From May 2013 to September 2013 (5 months) London, United KingdomTechnical Architect and Senior Software Engineer @ The Now Factory Roles:- Develop and support custom solutions for telecommunications clients- Analyze requirements, design and develop new products- Development of the core product- BigData terabyte data processing- Agile environment- Implementation of sensitive data encryption- Regulatory complianceTechnologies:- Oracle- JBoss- Spring- Flex- Distributed computing- NoSQL- Linux- Telecom signalling (SS7)Applied experience:- Requirements elicitation- Technical analysis- Specification development- Data analysis- Performance design- Data storage sensitive design (BigData) From September 2011 to October 2012 (1 year 2 months) Dublin, IrelandIT Consultant @ IBM Development of variety of backend and frontend systems.Software development consultingIncluding: - SOA enablement applications - WebSphere and BEA WebLogic Apllication server - DB2 and Oracle DBMS'es - Data integration - WEB UI's - Spring , Google Guice - Grid technologies: JavaSapces, GigaSpaces, GridGain, Terracotta, UnicoreApplied experience: - Application design - System profiling - Performance design (highly concurrent applications) - DB optimizations and Deadlock prevention - Crash recovery subsystem design - Business process automation - System analysis - Proposal development - Software Configuration Management Processes/Policies/Implementation - Infrastructure Architecture - Project Management - Outsourcing processes for application developmentClients: - Elisa (Elisa.fi) - Nokia (Networks Division) - IBM Global Software Delivery (BPM) - Royal and Sun Alliance - Software Development processes and configuration management - Nokia Siemens Networks - NOLS/SwLK - Royal and Sun Alliance - Infrastructure architecture/migration - Department of Justice and Equality of Ireland - INIS AISIP From May 2006 to August 2011 (5 years 4 months) IT Architect @ BalticSolutions Custom application architecture for telecoms and IT service companies.Tella(MVNO, UAB Laracijos Komunikacojos) - Billing Mediation Systems - High availability systems(failsafe, redundant and stable) - High volume transaction system and mass data processing design - B2B integration - Cross platform integration(Java, .NET, PHP and Ruby) - Management WEB UI with Struts and JSF - Integration with online payment systems - Public Key Infrastructure development and implementation for B2B integrations and ultra-secure client communications. - Used Amazon Web Services for offloading excessive loads - Batch operations for bill calculations(MapReduce and NoSQL) From January 2005 to April 2006 (1 year 4 months) Klaipeda, LithuaniaProcurement consultant @ Vesteka/Metexport International supply contract negotiation and lowering supply costs.Including:- Search for relevant suppliers- Supplier selection- Contract negotiations- Logistics planning(incl. customs) From May 2003 to January 2005 (1 year 9 months) Senior Data Engineer @ Criteo Joining the Real Time Data processing team at Hooklogic as a Senior Software Engineer I worked on the massive data processing pipelines, data storage and ingestion, analytics, optimization and real time bidding platforms. (HookLogic was acquired by Criteo in 2016)I headed the Data Guild for HookLogic.I built the data tracing system for the Real Time Data analytics system built on Apache Storm.I migrated the system built on Storm to serverless system (AWS Lambda).I created a Docker based AWS Lambda simulator. I built an automatic backup ledger entry processing system using Hazelcast as the data grid behind it. I built real-time bot detection and blocking system. I designed and built the data archival system to collect and normalize raw data from multitude of clients.I designed an inter DC data transfer system for DR and advanced analytics I created a system for automatic data storage type discovery for transparent datasource catalogue for Hadoop, Hive and Spark. I introduced a job scheduling system based on Airbnb’s Airflow and Amazon EMR. I designed and built a system for accelerating delivery for advertisements with regionally replicated Aerospike caches. I designed Docker and GoLang based microservice development and deployment system.I designed a system for deterministic advertisement identification in the advertisement delivery process.I managed Jenkins infrastructure for a few teams and while there I issued fixes for Jenkins bugs. From May 2015 to April 2018 (3 years) Greater New York City Area