Emil Erofeevskiy 1998-As long as possible | All Rights Reserved
Man has to have work to afford something that he loves to do.
Professional highload software and realiability engineering. Working with top international companies throughout the world.
Worked with
highloaded projects
Increasing from
of resistance of projects overall
Business earned via my direct features
of fat earned.

experience
B2Broker — Crypto Liquidity Platform
Software Engineer / Reliability Engineer for a highload fintech/crypto liquidity provider platform.
Performed extensive SQL/ORM optimizations in highload environments, enabling faster queries and efficient parallel execution.
Designed and maintained stress/load resistance testing services, ensuring platform stability under peak conditions.
Implemented complex backend logic for automatic periodic calculations and secure data storage.
Integrated blockchain data providers via RPC for crypto ecosystem operations.
Developed PHP and Python SDKs from scratch to streamline external integrations.
Delivered instant production optimizations by identifying and removing bottlenecks.
Improved caching architecture, reducing Redis key storage and increasing overall system efficiency
experience
Voxy — Online Education Platform
Senior Software Engineer / Reliability Engineer for a large-scale, adaptive learning platform serving global corporate and institutional clients.
Resolved critical CVEs by upgrading and replacing deprecated packages in production.
Migrated core platform from Django 2.2 LTS → 3.2 LTS and Python 3.7 → 3.10 with zero downtime.
Improved CSV/XLSX export performance by replacing pandas with optimized low-level Python I/O (csv, xlsxwriter), reducing generation time by over 70%.
Performed multiple ORM optimizations and bottleneck investigations to improve API latency.
Ensured backward compatibility and stability across major framework and dependency upgrades.
Blockchain Rewarding Platform — Ethereum-based Gamification
Senior Software Engineer for a blockchain-powered rewarding system with internal tokens, NFTs, and merchant integrations.
Designed and developed the merchant dashboard and store API from scratch.
Integrated token mechanics, implemented and deployed a custom ERC-based smart contract for internal currency.
Integrated Web3 payment listeners and deployed them on AWS Lambda for real-time payment confirmation.
Actively participated in solution architecture, led backend design decisions, and presented implementation plans directly to stakeholders.
Managed full backend delivery, from design to production, ensuring integration with NFT trading and eMerch store systems.
experience
I design and build peer-to-peer and client-server systems in C++ and Python, delivering working MVPs and infrastructure modules. Active contributor to my own public open-source repositories with a focus on privacy, security, and self-hosted autonomy.
experience
Express24.uz — Food Delivery Platform
Led backend sub-stream team (Merchant product) of two developers for Uzbekistan’s largest delivery platform (avg. 7M RPS).
Designed, developed, and deployed a merchant API and integrated with a mobile application developed by out-staff team from scratch to production within one quarter, acting as backend lead.
Optimized geospatial filtering on the main page (nearest delivery points per user coordinates) from ~10s to a stable 1.5s response time under load.
Improved DB performance and caching strategy for highload scenarios.
Managed multi-region rollout and integrations with multiple 3rd-party services.
experience
Creation of web projects, sites and applications of different directions and complexity. Teaching programming lessons in Python
experience
experience
Creation of web projects, sites and applications of different directions and complexity. Teaching programming lessons in Python
experience
Website development for business solutions from A to Z

education
education
I believe, that we may teach each other plenty of new and interesting things. I hope you will find those repos useful and will left some enhancements or issue-comments for me.
Emil Erofeevskiy 1998-As long as possible | All Rights Reserved