Alexander Semeonov

- Backend(Scala, Akka HTTP/Streams, Cats Effect and other type level libraries, Python, Flask)- - Data Engineering(Apache Spark, Hadoop, Kafka)

- Implementation of data ingestion from the 3rd party API. - Implementation of API backend - Analysis of the legacy system and design of the new data model.-- Maintenance and refactoring legacy C++ code

Working on a large scale data platform(real-time and batch) for analytics applications using Kafka/Kafka Streams, Spark Streaming, Hadoop, Redis, ElasticSearch. Contributing to DevOps environment(Containerization, Docker, Openshift/Kubernetes)

- Design and implementation of scalable data processing solutions based on Hadoop cluster - Building ETL pipelines using Hive, HBase, Oozie, MapReduce, Spark(Scala, DataFrames, RDD) - Infrastructure applications development using Java and Spring Boot

- Integration of OSS/BSS systems (Order Management, Billing) - Analysis, design, development of integration layer software.

Leading integration project (Softswitch deployment): integration, configuration, acceptance testing, coordination vendor and internal engineering team activity.

• Information Model and Order Management processes design according to eTOM standards • Design and implementation of catalog prototype for mobile and cable networks • Triage analysis and troubleshooting of Catalog/Order Management/Order Entry issues during UAT phase. • Communication with engineering team of a customer • Requirements analysis.

• System design (VoIP, Messaging, Provisioning) • Running PoC • Software development • Planning and managing product and project activities • Leading product development team • Requirements analysis and negotiation with a customer • Communication with engineers and management of a customer.