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Artem Osadchuk

@artemosadchuk

I build high-load Python backend systems for fintech payments, banking integrations, and distributed platforms.

At Home Credit Bank, I build backend services for high-load fintech platforms spanning card issuing, payment processing, banking integrations, risk assessment, reconciliation, and real-time webhooks. I also helped decompose a legacy B2B card-issuing Django monolith into six-plus microservices and created shared infrastructure used across 20-plus services.

I designed a Feast-based Feature Store from scratch for batch and real-time ML features, and build event-driven services with Apache Kafka. My work includes PostgreSQL optimization, asynchronous processing, Kubernetes deployments, CI/CD, and production-focused testing.

Previously at Saritasa, I designed backend architectures and PostgreSQL schemas for customer products, integrated Twilio and SendGrid, refactored platforms, improved CRM analytics, and mentored junior developers.

Experience

Work history, roles, and key accomplishments

Current

Python Backend Engineer

Current

Home Credit Bank

Jun 2022 - Present (4 years 2 months)

Designed and developed backend services for high-load fintech platforms, including card issuing, payment processing, and banking integrations. Led decomposition of a legacy Django monolith into microservices and built a Feature Store platform using Feast.

Python fastAPI Django PostgreSQL MongoDB Redis RabbitMQ Kubernetes Docker CI CD Feast Microservices Event Driven Architecture AsyncIO Pytest

Python Backend Engineer

Saritasa

Apr 2020 - May 2022 (2 years 1 month)

Worked on multiple commercial projects for US and European customers, designing backend architecture and database schemas. Led backend refactoring, developed analytics modules, and mentored junior developers.