XWAY (TISELL)

X-WAY

A platform for automating Wildberries sellers' ad campaigns through the official API.

Python Backend Developer (Middle) · January 2025 - present · Moscow

Website: https://xway.ru/

Business Context

  • The product automates advertising workflows and data processing for Wildberries sellers.
  • My role combines backend feature delivery, performance optimization, support load, and CI/CD collaboration.

Responsibilities & Results

  • Improved main page performance from 2-3 seconds to under 1 second at around 2000 concurrent users by optimizing PostgreSQL queries.
  • Optimized Excel report generation for hundreds and thousands of rows, reducing export time from about 20 seconds to 15-16 seconds.
  • Built integrations with the Wildberries API for product, order, advertising, and search phrase reports.
  • Developed background data pipelines with Celery and Redis.
  • Worked with CI/CD so that every pull request was automatically deployed to staging.
  • Handled around 10 support requests per week while continuing feature development.

Stack

PythonDjangoDRFFastAPIPostgreSQLRedisCeleryDockerCI/CDWildberries API

Outcomes

  • Sub-second core page performance under real load
  • Faster exports and broader Wildberries data coverage
  • Stable release flow and predictable support handling
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