Ivan Chistiakov Email and Phone Number

Hi! I am a software engineer with 4+ years of production experience. I have experience in communicating with clients, I am able to turn business requirements into clear technical tasks, and formulate the results of tasks in the form of understandable conclusions.Highly skilled in python. Worked with JS, typescript, C, C++, C#.Databases:- RDBMS: MS SQL, PostgreSQL, MySQL, Oracle, SQLite.- TSDB: Prometheus, Victoria metrics, ClickHouse.Datalakes: S3.Languages: Russian (native), English (intermediate).I have experience in: - full-stack web development (FastAPI, Flask, Angular, React); - code coverage with unit tests (pytest);- DB integration: SQLAlchemy, alembic, peewee;- various VCS, e.g. git; CI/CD, docker;- business analytics (Grafana, Metabase, dash);- parallel and distributed calculations (dask, asyncio, multiprocessing, threading, joblib);- data analysis and research, time series analysis (numpy, pandas, scipy, scikit-learn); - data visualization in python (matplotlib, seaborn, plotly, jupyter notebook, dash apps);- building ETL pipelines;- work in term of agile principles (Trello, Jira, Confluence);- code reviews, interns support and training;- developing desktop apps (tkinter); - C# dev: full-stack + console apps, telegram API integration.Managed team of 3 persons as team lead/project manager (self-employee). Distributed tasks, built project architecture, set deadlines. Finished project from scratch. My major is information security. Diploma work: "The use of CNN in the task of classifying executable files into malicious and legitimate". The task included such steps as data collection and markup (dataset search, sandbox assembly, dynamic software analysis, collection and parsing of program results), sample balancing, data transformation into images, building CNN architecture using Tensorflow & Keras, classification, tuning of network hyperparameters and metric evaluation, metric choice.