Position: Python Developer, Software Engineer (B2B, Poland)
Category: Python
English level: upper
Years of experience: 5

Work experience in commercial projects for about 5 years.
Experience in both independent work (1 developer on the project) and teamwork.
I also got "Top Rated" for my 1st year as a Python Developer at UpWork.
Last 3 companies I worked for:

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*** (product company, over 2 years)
Position:  Python developer + Security analyst
Projects:
• Application (PoC). Development of a user authentication process for the site using the Cognito service and the AWS cloud (with email notifications - Amazon SNS).  Also S3 bucket used to tore some data (mock data, images, etc).
• Application. Collect data to Cloud MongoDB (with data series functionality) using Airflow + AWS integration as a ready-made solution.
• Service. Checking public access to Google documents in Atlassian products (Confluence, Jira).
• Service. Create a common space in the corporate Google account (GSuite) for working with documents (storing, editing, sharing, etc.) by creating Google Groups synchronized with Active Directory.
• Service.  Provide an up-to-date list of IP addresses on the Confluence page by synchronization with Netbox. Creating a source of truth for whitelisted IPs.
• Service. Redmine - Jira task synchronization. The service is designed for two-way synchronization of tasks (a specific list of fields) between Jira and Redmine project management systems.
• On demand. Create Jira issues from Nessus logs depends on vulnerability level. ETL. Parsing.

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*** (outsource company, 4 months)
Position: Python developer

1st project. Theme: Blockchain, Bitcoin Cash (BCH) wallets.
Goal: to get unspent coins (UTXO = "unspent transaction outputs"), i.e. the coins that haven't yet been spent.
Under NDA.
Technology stack: Python3, Pycharm as IDE, Redis DB, pika DB (Redis fork), asyncio, JSON-RPC protocol, Ubuntu 20.01 server, monitoring and logging tools, unit-tests, pytest

2nd project. Theme: parsing.
The Artelize app combines and harmonizes data from multiple sources to create a great user-friendly portal about the entire music world.
Technology stack: Python3, asyncio, pyppeteer, html, DOM, xPath, Rest API

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*** (product company, 12 months).
Position: Python Full Stack developer

1. Development of API-clients for organizing regular delivery of weather forecast data, data processing and visualization (website). Automation of data collection and processing (Debian daemons).
2. Development of software for collecting data from electricity metering devices. Using low-level data transfer protocols. Automation of collection and processing. Visualization (site).

Stack: Python3, Rest API, PostgreSQL, MongoDB, Debian, Django + Bootstrap + Crispy Forms, Django Rest Framework, Docker
I am looking for an interesting job with the possibility of growth and improvement. 
I would enthusiastically take on:
- cloud technologies (AWS using is preferable);
- blockchain, cryptoexchanges, cryptocurrency;
- complex algorithmic/logical tasks;
- web-services;
- API integration/synchronization/automation of service/application interfaces;
- automation and optimization of the processes;
- work with low-level protocols;
- tasks that require a non-standard approach (optimization of data, processes, search for a solution under fuzzy input conditions);
- development of solutions to ensure the security of data and processes for their processing