Ruslan Korneev

Senior Python Backend Engineer

Tbilisi, Georgia (GMT+4) · open to remote and relocation

Python backend engineer with 6+ years building and scaling distributed systems across DeFi, AI, and B2B SaaS. Tech lead of a TON liquid-staking protocol that reached $100M TVL and 20k+ users — owned architecture, backend services, and smart contracts end-to-end, including CI/CD and observability.

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Experience

Lead Software Engineer

— Bemo, TON liquid-staking protocol

Jul 2024 — Present · Remote

Lead backend of a liquid-staking product with $100M TVL and 20k+ users in a team of 8; own architecture and key technical decisions.
Designed and shipped 10+ smart contracts to production with Python tooling for testing and deployment automation.
Consolidated 30+ Telegram bots into one autoscaled Kubernetes service, cutting idle memory footprint by ~15 GB.
Recovered user rewards lost to a legacy accrual bug by recomputing balances from on-chain transaction history.
Run production launches and incident response on Grafana / Prometheus / Loki, holding 99% uptime.
Mentor 3 engineers with individual growth plans; drive code-review and release discipline.

Stack: Python (FastAPI, Pydantic, SQLAlchemy, Taskiq), PostgreSQL, Redis, Kafka, Docker, Kubernetes, Helm, FluxCD, GitLab CI

Python Backend Developer

— My Path, AI product

May 2023 — May 2024 · Remote

Built backend for AI integrations with multiple LLMs: request routing, response handling, pipeline optimization.
Engineered a video-analysis ETL pipeline over ~1,900 hours of footage, raising data-processing throughput by 50%.
Delivered a conference video-recording service; cut recurring errors by 35% with tests and validation.

Stack: Python (FastAPI, Pydantic, SQLAlchemy, Celery), PostgreSQL, Redis, Docker, Kubernetes, Helm, ArgoCD, GitLab CI

Python Backend Developer

— Kortechs

Apr 2022 — Apr 2023 · On-site

Architected a reservation platform integrating TimeKit, SendGrid, and Stripe payments.
Replaced TimeKit with a custom scheduler, removing a third-party dependency and licensing cost.
Cut CI/CD pipeline time by 75% (20 min to 5 min).
Built a Slack bot for real-time GitLab pipeline monitoring.

Stack: Python (Django, DRF, Celery), PostgreSQL, Redis, Docker, Kubernetes, Helm, FluxCD, GitLab CI

Software Engineer

— NiceCode

Jan 2020 — Apr 2022 · On-site

Built web-scraping and data-parsing services (Django, pandas, regex) feeding Google Sheets.
Stabilized a legacy codebase: added test coverage and monitoring.
Maintained a video-course platform for patient rehabilitation.

Stack: Python (Django, DRF, Celery, aiogram, pandas), PostgreSQL, Redis, Docker, GitLab CI

Skills

Python: FastAPI, SQLAlchemy, Pydantic, asyncio, Django, DRF, Celery, Taskiq, pytest
Databases & messaging: PostgreSQL, Redis, Kafka, RabbitMQ, MongoDB
Infrastructure: Docker, Kubernetes, Helm, FluxCD, GitLab CI, GitHub Actions, AWS, GCP
Observability: Grafana, Prometheus, Loki, Sentry
Other languages: TypeScript, FunC, C, Assembly
Languages: English (B2) · Russian (native)

Projects

Duo Games

Telegram Mini App platform for real-time two-player games.

Node + uWebSockets.js game server running a 60 Hz simulation with 30 Hz snapshots, binary WebSocket protocol, PixiJS client. Runs in production on Kubernetes.

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