Fetisov Aleksandr

Employment History

• Python developer at Prooftech IT (02.2023 - current time)

  Responsibilities:
  - Development of project architecture.
  - Development of high-load services for processing Big Data.
  - Code review.
  - Optimization of SQL queries.
  
  Achievements:
  - Development of services for processing Big Data: Creation of efficient and scalable services capable of quickly processing and analyzing large volumes of data.
  - Creation of a service for working with AI models: Implementation of intelligent services that use advanced algorithms and machine learning models to solve complex problems.
  - Acceleration of services by 2 times: Optimization of the code and architecture of services, which led to a significant increase in performance and a decrease in response time.
  - Optimization of queries in databases: Development of effective query algorithms and data structures, which increased the speed of executing queries to databases.
  - Implementation of the testing process: Building a systematic approach to testing, including the creation of testing procedures and the implementation of automated tests.
  - Development of a framework for the testing department: Creation of an integrated system based on Selenium, Appium, Jenkins and Allure, which made it possible to significantly simplify and automate testing processes and increase their transparency and efficiency.

• Python developer at Neuro (08.2022 - 02.2023)

  Responsibilities:
  - Development and creation/updating of internal platforms.
  - Integration with other services and systems via RESTful API and Swagger.
  - Managing communication with customers, ensuring high quality and satisfaction.
  - Optimize and improve the performance of existing systems by optimizing code and using architectural patterns.
  - Development of new functions and tools to improve functionality and efficiency.
  
  Achievements:
  -Creating and customizing future API templates to simplify development and collaboration within the team.
  - Development of a parser for creating the skeleton of a voice robot, speeding up the development process and reducing errors.
  - Adding migrations to the system to ensure its stability and scalability.
  - Improvement of middleware, increasing its reliability and security.
  - Setting up automatic sending of reports after the dialogue to facilitate the analysis of user interaction.
  

• Python developer at Apirone (01.2021 - 08.2022)

  Responsibilities:
  -Design and create system architecture, ensuring scalability and reliability.
  - Organizing and conducting testing of developed software to ensure a high quality standard.
  - Active participation in discussions on architectural solutions, choice of technologies and tools.
  - Conduct code reviews, ensuring alignment with best practices and standards.
  - Profiling and optimization of code to improve system performance.
  
  Achievements:
  - Transition of the system to a microservice architecture, improving scalability and flexibility.
  - Development of a service for collecting and analyzing system metrics, ensuring more effective monitoring and management.
  - Optimize inefficient queries, increasing system responsiveness.
  - Implementation of migrations to ensure seamless updates and changes to the system.
  - Development of internal and external APIs that provide ease of integration with other systems.
  - Improvement of the authorization and user identification service, increasing security and ease of use.
  - Implementation of Black, Flake8, Mypy coding standards, ensuring consistent and clean code.
  - Active work with blockchain and data scraping for additional functionality.