Andrei Baryshnikov Email and Phone Number

Trade DeFi Derivatives On-Chain. Building new options execution protocol. Took ownership of legacy Python services and transformed them into modern-day services, optimizing performance and lowering infrastructure costs.Designed robust and scalable market data processing and storage architecture.Designed new options and perpetuals orders execution protocol architecture.Reduced AWS costs for one of the services by 90%.Tech Stack: Python (Quart, asyncio, pytest, Pydantic, Poetry), DynamoDB, MongoDB, Redis, AWS, Docker, GitHub Actions, Sentry, NetData, datadog.

Solo designed, developed and maintained trading infrastructure and software with fault tolerance for the private algorithmic crypto-trading fund from scratch.Refactored algorithms backtesting software, simplifying the backtesting process and gaining a performance boost, reducing the backtest process from 1 month to 1 week.Tech Stack: Python (asyncio, pytest, Pydantic, Poetry), PostgreSQL, Redis, AWS, Hetzner Robot, Docker, GitHub Actions, OpsGenie, Sentry.

Midas.Investments is a crypto investment platform.Activities:- Designed and developed trading system architecture with fault-tolerance- Designed and led DeFi (Web3) and centralized exchanges portfolio tracker software - Developed a system for DeFi strategy's health monitoring and notifications- Designed and implemented automated DeFi (web3py, Fireblocks, smart-contracts) and centralized exchanges (Bybit, Binance, Deribit) trading robots- Optimized algorithms backtesting software so that the development time of new trading algorithms decreased- Managed three development teams (9 people in total)- Led technical hiring and people management (onboarding, code reviews, personalized skills development planning, tracking, etc.)- Developed and introduced the workflow of how-things-should-be-done in development teams- At the time, the fund earned 300% APR profit using developed software and infrastructure Tech Stack: Python (asyncio, AIOHTTP, FastAPI, Dramatiq, Django, pytest, web3.py, WebSockets, Pydantic, Gunicorn, Poetry), PostgreSQL, SQL, Clickhouse, Redis, Nginx, Netdata, Caddy, AWS; Docker, Docker Compose, GitHub Actions, Jira, Opsgenie, Sentry; Golang.

Uploadcare is a file management platform and a CDN for user-generated content (SaaS).Activities:- Designed, developed, and released new services to production: UCRProxy[https://uploadcare.com/docs/delivery/proxy/#proxy], files migration tool[https://github.com/uploadcare/migro], documents and video conversion services- Developed integration tests for the whole service and APIs- Implemented AWS Lambda toolkit for packaging, deploying, and testing standalone lambda functions- Released API Specs (OpenAPI) for all public Uploadcare API’s- Implemented API codebase migration (Django Forms -> REST)- Maintained, fixed, tested existing codebase and developed new business logic within the companyTech Stack: Python (Django, Django Rest Framework, Flask, Tornado, AIOHTTP, pytest, Celery), PostgreSQL, Redis, DynamoDB, SQL, AWS (Lambda, S3, EC2), OpenAPI, HTML.

GOST Group is developing multifunctional applications for government organizations, manufacturing enterprises, healthcare systems, and other industries.Activities:- Managed a team of four developers on three projects- Designed and developed web and backend applications, services, and databases structuresTech Stack: Python (Django, Flask, Tornado, Celery, SQLAlchemy, pytest, AIOHTTP), PostgreSQL, SQL, Redis, MongoDB.

DVO Group is a software developer company.Developed web applications, Asterisk IP IPBX configuration, and management system.Tech Stack: Python (Django, Flask, Celery, Fabric, Paramiko), PostgreSQL, SQL, Nginx, uWSGI,, Asterisk IP PBX, HTML, CSS, JavaScript, and other jQuery-based libraries.

UIS is a telecommunication services company providing IP-telephony services.Developed desktop applications (CRM, chat client) with Python and Qt (PyQt).Tech Stack: Python (PyQt, Flask), JavaScript (ExtJs, jQuery), PostgreSQL, SQL, HTML, CSS.