Extensive experience in C#/Unity, Python development. I also have experience writing code in Javascript, Java, Go, C++, HTML/CSS layout. When solving algebra problems, do not often ask Google. I understand disassembled code, have experience in creating binary patches, bypassing program protection using IDA, experience in obfuscation and writing my own obfuscators. Deep understanding of asynchronous, multithreaded programming, extensive experience with Berkeley sockets. I understand POSIX, WinAPI32, I designed frameworks and platforms from scratch, used to do some system programming for Windows and Linux operating systems. Expertise in code-review, code evaluation. I never use someone else's code through copy-paste, only after realizing what it does.Windows OS, Debian/Ubuntu Linux. Knowledge of the full stack of technologies used in the administration of both your own infrastructure and the cloud. I am not an expert in databases, but I have extensive experience in administration, optimization and creation of queries to document-oriented, column-oriented, key-value and relational databases: MSSQL, MySQL, PostgreSQL, MongoDB, Memcache, Redis, Elasticsearch, Clickhouse. Virtualization application: emulation (QEMU), hardware virtualization (KVM, VirtualBox), container virtualization (LXC, Docker, Kubernetes), serverless (Amazon Lambda, Google App Engine). Extensive experience working with orchestration systems (Kubernetes, Docker Swarm) including writing custom resources. Administration of remote physical servers. Experience in creating an architecture of highly loaded, fault-tolerant, distributed services. Knowledge of project management and management of flexible methodologies. Experience in operating, solving administrative tasks. Conducting interviews of applicants and development teams. I can keep my attention on several topics at once without losing details. Excellent understanding of the task formulations from the management, as well as the guidelines for the general direction of the company's development. Pitching experience, including international. English: Upper-Intermediate / Advanced, but I have had a gap in practice for about 5 years.Also I have an understanding of the current mobile and PC gaming market. Experience in developing game projects from GDD to release.Business experience. General understanding of accounting principles, law. Experience working with official documents: proofreading and correction of contracts, control of estimates, collection of packages of documents. Spelling and punctuation literacy.