Fetisov Aleksandr

About Me

Work Experience

• Python Developer at Prooftech IT (02.2023 - present)

  Key Responsibilities:

  • Development and support of ML services for big data processing
  • Architectural design of high-load systems
  • Code review and team mentoring
  • Performance optimization and service scalability

  Key Achievements:

  • ML Services Implementation: Created full-cycle machine learning development from data collection to production deployment
  • Current Services Support: Ensured stable operation of existing systems with 99.9% uptime
  • ML Services Development Framework: Created standardized process for ML solution development and implementation
  • Testing and Automation Framework: Implemented comprehensive testing system with automation
  • Automation Testing Framework: Developed internal framework based on Selenium, Appium, Jenkins and Allure
  • 2x Service Acceleration: Optimized architecture and data processing algorithms

  Technology Stack:

  Python FastAPI PostgreSQL Redis Kafka Docker TensorFlow PyTorch Scikit-learn Pandas NumPy OpenCV Selenium Jenkins Allure
• Python Developer at Neuro (08.2022 - 02.2023)

  Key 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
  • Optimization and improvement of existing systems performance
  • Development of new functions and tools to improve functionality and efficiency

  Key Achievements:

  • API Templates Creation: Developed and configured future API templates, simplifying development and team collaboration
  • Voice Robot Parser: Developed parser for creating voice robot skeleton, accelerating development process and reducing errors
  • Migration System: Added migrations to the system to ensure its stability and scalability
  • Middleware Improvement: Enhanced middleware, increasing its reliability and security
  • Report Automation: Set up automatic report sending after dialogue to facilitate user interaction analysis

  Technology Stack:

  Python PostgreSQL Celery Kafka Swagger Git PIL WebSockets Flask Django Docker SQLAlchemy Alembic
• Python Developer at Apirone (01.2021 - 08.2022)

  Key Responsibilities:

  • System architecture design and creation, ensuring scalability and reliability
  • Organization and conducting of software testing to ensure high quality standards
  • Active participation in architectural decisions, technology and tools selection discussions
  • Code review, ensuring alignment with best practices and standards
  • Code profiling and optimization for improved system performance

  Key Achievements:

  • Microservices Architecture: Transitioned system to microservices architecture, improving scalability and flexibility
  • Metrics Service: Developed service for system metrics collection and analysis, ensuring more effective monitoring and management
  • Query Optimization: Optimized inefficient queries, increasing system responsiveness
  • Migration System: Implemented migrations for seamless system updates and changes
  • API Development: Developed internal and external APIs, providing ease of integration with other systems
  • Security Enhancement: Improved authorization and user identification service, increasing security and usability
  • Coding Standards: Implemented Black, Flake8, Mypy coding standards, ensuring consistent and clean code
  • Blockchain Integration: Actively worked with blockchain and conducted data scraping for additional functionality

  Projects:

  • checkbitcoinaddress.com - Bitcoin address validation service
  • apirone.com/docs - API documentation
  • bitcoin_parser - Bitcoin data parser

  Technology Stack:

  Python Flask PostgreSQL MongoDB Redis Kafka Celery WebSockets aiohttp Pandas Selenium asyncio FastAPI Bash Postman Linux GitLab GraphQL REST RPC AMQP

Technologies

Contact