Open to opportunities

Andrei Shestakov

@ornicum

Message

I build high-performance Rust and Python distributed backend systems.

Turkey

Message

What I'm looking for

I'm looking to build high-performance, reliable backend systems where Rust and Python can be applied thoughtfully to distributed processing, data-intensive workflows, and performance-critical product challenges.

I'm building a distributed platform for real-time time-series processing, simulation, and analysis, designing its Rust core, in-memory processing engine, and data-flow architecture. I rewrote a Python microservice in Rust, reducing execution time from hours to minutes—approximately a 24x speedup.

At DataArt, I helped decompose a large Django insurance backend into independent FastAPI microservices supporting a new mobile application. At Demigos, I led backend development for a real-estate auction platform, translating a mathematical pricing model into production logic for interactive bidding and price adjustment.

Across Mobalytics, SK hynix memory solutions, and earlier systems work, I've built data-processing services, storage-firmware validation infrastructure, real-time pipelines, and client-server systems. I focus on performance, reliability, maintainability, and making products easier to develop further.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend Engineer

Current

Self Employed

Apr 2025 - Present (1 year 4 months)

Building a distributed platform for real-time processing, simulation, and analysis of time-series data. Focused on modular architecture, in-memory processing, and performance optimization.

Rust Python Distributed Systems Time Series

Senior Software Engineer

DataArt

Jul 2021 - Apr 2023 (1 year 9 months)

Worked on a large-scale legacy backend system in the UK driver insurance domain, supporting a new mobile application. Contributed to decomposing a monolithic Django application into independent microservices and designed backend services using FastAPI.

Python Django fastAPI Microservices Agile Scrum Code Review

Senior Software Engineer

Demigos

Oct 2020 - Jul 2021 (9 months)

Developed backend services for an outsourced real-estate auction platform, implementing a mathematical pricing model and supporting interactive price adjustment and bidding scenarios.

Python Django PostgreSQL Redis Celery GraphQL

Senior Software Engineer

SK Hynix

May 2018 - Jun 2020 (2 years 1 month)

Worked on firmware validation for enterprise SSDs using a proprietary C++ storage simulator and a Python-based testing framework. Developed automated tests for Vendor Unique commands across SATA and NVMe environments, and redesigned parts of the testing framework to reduce duplication.

C++Python C SATA NVMe Firmware Validation Testing Automation Debugging Reverse Engineering Factory Method Pattern

Senior Back-End Software Engineer

Mobalytics

Oct 2016 - Apr 2018 (1 year 6 months)

Worked on the backend of a data-driven esports platform focused on player statistics and performance analysis for professional League of Legends players. Owned the backend service responsible for collecting, processing, and serving player statistics, adapting it through multiple iterations and performance bottlenecks.

Python PostgreSQL Celery RabbitMQ Cassandra Docker Microservices Asynchronous Processing Load Testing

Education

Degrees, certifications, and relevant coursework

Novosibirsk State Technical University

Master of Science, Applied Mathematics and Computer Science

2002 - 2007

Pursued a five-year higher education program in Applied Mathematics and Computer Science, recognized at the Master's level by Czech Technical University in Prague.