Senior Software engineer+

Текущий статус/должность: Software Development Director.

Мои компетенции и опыт

Some technologies that I use in development

• ADAPTIVE Communication Environment (ACE), Boost ASIO

Development of high-availability server applications using solutions: reactive and proactive interaction with descriptors; event demultiplexing; inter-process communication (IPC); Thread pool, synchronization; Thread Specific Storage

• ANTLR (Antlr3C)

Generation of parsers for structured data with EBNF syntax. Generation of a parser with a single syntax tree for various data structures, which solves problems where there is a "multiple grammars - a single processing". Additionally, I modified the "ANTLR3 C" to generate a parser for a large amount of data.

• Libpcap, WinDivert, NPCAP

Development of applications for listening and analyzing data (DPI) from the network interface.

• IDA Pro, Olly, Snowman

Debugging and patching executable files. Exploring libraries for developing agent applications.

• MinHook, Injector

Creating hooks, loading DLLs into Windows applications

• OpenSSL, GSS

Development of MITM applications for data analysis through secure traffic. Also, use API in applications to protect application data.

• ODBC, JDBC, Libpq, Libmysql, OLEDB, S3 SDK etc

Use the API to develop applications with access to the database store.

• Fernflower, DirtyJOE, Procyon

Java byte code decompilation, research and reverse patching.

• Java Native Interface (JNI)

Interaction with the JVM through native applications. I use it when implement Java solutions inside a native application (for example, Apache Tika, Aspose).

• SSPI, OpenLDAP, GSS-API

Use the API to develop applications with access to the directory service (Active Directory, OpenLDAP)

• Tesseract (OCR)

Use an API to extract content from images for the purpose of processing confidential information (GDPR, HIPPA).

• Wireshark, tcpdump, netmon

Use for sniffing and analyzing network traffic, added its own dissector for visualizing packet structures.

• Valgrind (callgrind, massif), MSVC performance profiler

Profiling an application for CPU usage (brakes, thread synchronization, kernel-space interaction) . RAM/VRAM usage timing and memory leak reporting. Perform the load through Jmeter, HammerDB, pgbench, sysbench and BenchmarkFactory.

• Nana C++, Kivy

Creating of cross-platform graphical user interfaces.

• Mongoose, Cajun

Implementation of the backend server to interaction with an application frontend.

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DBMS research experience

PostgreSQL, Hive, Greenplum, Netezza, Redshift, Impala, Vertica, Firebird, Heroku, Oracle, MsSQL, MySQL, MariaDB, DB2, AWS RDS -

• network protocol reversing
• parsing SQL queries with lexical analysis and tree building (AST)
• emulation of authentication mechanisms: native-hash, kerberos, sspi, gssapi, active directory, AWS IAM user
• transaction log parsing
• retrieving database metadata
• secure traffic decoding
• analysis of replication and clusters at the network level
• using drivers (API)
• parsing native audit log (Audit Trail)
• interception and tracking of applicative users

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Cloud services experience

• Amazon Web Services (AWS), Alibaba Cloud, Microsoft Azure

Building of server applications inside cloud systems with using mechanisms: Load Balancer, Auto Scaling, Directory Service, Virtual Server, EC2, RDS, S3, VPC

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Other skills

• English level: B1
• Education: Secondary School