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Work experience

Python Backend Developer

from 12.2022 to now (3 years 8 months)
Ronis Commerce, Дистанційно (IT)

Python Backend Developer with 3 years of experience

Python Backend Developer (December 2022 – Present)

Contributed to the development of an operational platform for e-commerce logistics and fulfillment. The system delivers a unified view of orders, inventory, suppliers, and delivery processes by integrating multiple sales channels, warehouses (WMS/3PL), carrier services, and suppliers. This enables accurate order promising, intelligent order routing, proactive exception handling, and improved supply chain visibility based on up-to-date data.

Key Contributions:

- Designed, implemented, and maintained robust API integrations with third-party systems, including Magento, Shopify, and other sales channels, various WMS and 3PL platforms, as well as multiple carrier services.

- Built synchronization mechanisms for product assortments, inventory levels, orders, and shipment statuses, significantly improving stock accuracy and reducing overselling risks.

- Developed order routing and fulfillment logic, including automatic allocation, order splitting, rerouting, and exception handling based on current inventory and business rules.

-Created an automated low-stock alert system with scheduled and event-driven email notifications when inventory thresholds were reached, helping prevent stockouts and improve supply chain responsiveness.

- Designed and implemented analytical reports and dashboards on product sales, orders, and operational metrics to support data-driven decision making.

- Contributed to backend and web application development for multi-merchant management, allowing clients to centrally create and manage online stores with their own assortments.

- Code review

Tech stack: FastAPI, AWS, PostgreSQL, Docker, GraphQL, Microservice architecture, React.js, Redis

Knowledge and skills

• Python
• Django
• FastAPI
• HTML/CSS/SASS/JavaScript
• Git
• Docker
• GitHub
• PostgreSQL
• Redis
• Django Rest Framework
• Asyncio
• Apache Kafka
• GraphQL
• AWS S3/SNS/SQS
• REST API
• RabbitMQ
• Celery

Language proficiencies

• English — average
• Ukrainian — fluent

Additional information

CV: https://drive.google.com/file/d/1BP4dNuHNN2JhwSH-ROIwL0Ez1bhGWlkm/view?usp=sharing
Telegram: https://t.me/alucardenka