Designing, developing, and implementing new features in the automotive products and services aggregator service.Designing the architecture of the new functionality.Backend development using Python 3 (Django, MySQL, Sphinx, Redis).Frontend development using JS + ExtJS.Working on optimizing the codebase.Setting up testing environments (Docker + docker-compose, Gitlab CI/CD).Developing and writing technical documentation.Designing, developing, and implementing new features in the automotive products and services aggregator service.Designing the architecture of the new functionality.Backend development using Python 3 (Django, MySQL, Sphinx, Redis).Frontend development using JS + ExtJS.Working on optimizing the codebase.Setting up testing environments (Docker + docker-compose, Gitlab CI/CD).Developing and writing technical documentation.

Full stack developer. Participated in several large projects as an invited developer.

Maintained high-load banking monitoring systems.Backend development for monitoring services and an internal portal:-Working with clients to clarify and approve technical specifications;-Designing and writing APIs;-Parallelizing processes, working with asynchronous code;-Integrating with the front end;-Conducting code reviews.Writing scripts, integrating them with Celery, designing database models, maintaining version control (Alembic).Optimizing work with PostgreSQL databases: limiting the number of connections, optimizing queries, normalizing the database, and integrating with Redis.Automating internal processes (e.g., obtaining statistics or restarting servers).Working with legacy projects:-Updating libraries, Python versions;-Refactoring and optimization;-Fixing bugs and enhancing functionality.

* Implemented erc20, erc721, erc1155 contracts with Solidity ^0.8, Hardhat, Truffle, Remix, @openzeppelin and IPFS.* Finalised, tested and deployed existing contracts.* Designed and implemented DAp backend, tests and API with Python 3, Django+DRF, PostgreSQL, JavaScript, Gunicord, WSGI and CloudFlare.* Participated in the development and launch of commercial successful De-Fi projects.

Writing SQL queries, working with tabular data in Python 3 (NumPy, Pandas) / Excel.Developing and enhancing functionality in Lotus (Python 3, Java).Automating data collection by modifying software for handheld barcode scanners (Python 3). Administration of email services, including Lotus Notes (Domino) and WSUS.Configuring Cisco Catalyst switches, and performing cabling in cross-connect and server rooms.Administration of Win Server 2008, 2008 R2, and 2012 servers.

Design and development of Oracle and MsSQL database structures, writing and optimizing SQL queries, normalizing/denormalizing databases. Working with documentation (compiling user and administrator manuals, writing and approving technical specifications), and supporting users.