Design, development and maintenance of data processing systems for multiple projects:• Design and development of the common scalable microservice platform;• Development of data processing systems for multiple projects, basing on common platform; • Implementation of project-specific business logic.Skills: Python, multiprocessing, FastAPI, Docker, MongoDB, Redis, SQLAlchemy, PostgreSQL.Development and maintenance of the highload data processing system:• Development of the test framework for the system;• Maintenance of the system core, REST-frontend and backend; • Implementation of new business processes as system features;• Implementation of alternative archive storage, based on ScyllaDB.Skills: Python, Kafka, MongoDB, ScyllaDB, Redis, Pytest, Javascript.Development of the traffic processing sub-system:• IP traffic filtration, deduplication, reassembling and capturing;• L4 processing: defragmentation, distribution to chunks; • L7 classification.Skills: C++17, Cmake, Ninja, Conan, Intel DPDK, Google Protocol Buffer, ZMQ,.

Author and lecturer of Python Course, including:• Basic Python;• Object-Oriented Programming;• Multiprocessing and multithreading; • Databases (SQLite, PostgreSQL), DB-API, ORM;• NoSQL Databases (MongoDB, Redis, ScyllaDB);• Network programming;• RabbitMQ and Kafka;• Automated Testing and Robot framework;• Django framework.

Development and deployment of CI/CD system for world-famous automotive vendor:• Development and debugging of agent software for running tests by requests from the server;• Development of testing library for image recognition and optical character recognition based on OpenCV and Tesseract software; • Development of automatic tests for vehicle features with Robot Framework.Skills: Python, C++, OpenCV, Tesseract, Jenkins, Robot Framework.

Development and maintenance of the software for the automotive system for world-famous automotive vendor:• Porting and upgrade of the DAB receiver component, technical coordination of the team;• R&D of a new feature – Carplay support; • Common software maintenance and triage of defects in scope of the whole system.• Maintenance of CAN message processing component;• Development and maintenance of the features for communication with Instrument Cluster, Climate and GPS Time Synchronization components.Skills: C, C++11, Python, CAN, Enterprise Architect, QNX RTOS, MQX RTOS.

Design and development of the system for mobile operator core network quality monitoring and analyzing:• Design and development of GTP traffic analyzer, including parsing, session monitoring and correlation, 3G/4G handover support.Skills: C++11, Boost/STL libraries, Python, SunOS 5.11, Linux Debian, Git, Eclipse (solutions, projects, debug).Design and development of the embedded system for SGSN and BSS nodes:• Development for redundancy support for SNDCP data with OpenSAF storage;• Development for inter-site redundancy support for the whole system with Redis storage;• Implementation of test suite for SNDCP processing module with Google Test Framework;• Development for GTPv1 support on Gn interface.Skills: C/C++, Eclipse (solutions, projects, debug), Linux RedHat, ClearCase, Google Protocol Buffer, telecommunication protocols (SNDCP, LLC), multi-threading technologies, Google Test Framework. Design and development of the system for UMTS/GSM/GPRS protocols decoding/analyzing and QoS (KPI) monitoring. Responsible for design, development and testing of subsystems for GTP, RTP and SIP protocols:• Development for jitter discard emulation, burst/gap analysis, recency effect weighting for RTP protocol monitoring;• Development for 3G/4G and inter-VLAN handover support for GTP session correlation;• Development for backup/restore support for the case of abnormal hardware restart;• Development for GTPv0 session correlation support;• Development for GTP-correlation support on multi-bladed monitoring system.Skills: Eclipse (solutions, projects, debug), GNU GCC 4.3, Boost/STL libraries, Python, Linux MontaVista, Git, SVN, Wireshark, Google Protocol Buffer, telecommunication protocols (GTP, RTP, SIP), client/server and multi-threading technologies.

Network traffic monitoring and analysis solutions.

IT-support for business process of the insurance company: setup and administration of the network domain under Windows Server 2008 management, setup and administration of the Microsoft SQL Server and 1C:Enterprise 8.1 platform.Skills: Windows Server 2003/2008, Microsoft SQL Server, 1C:Enterprise 8.1 platform.

IT-support for business process of the education company: development of education management system (program-client on Delphi and database in Oracle DBMS), site development and administration.Skills: client/server and multi-threading technologies, Delphi, Oracle, Linux Debian, Linux Ubuntu, SQL Navigator, PHP, Ajax technologies.