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Константин Потапов

Constantin Potapov

Python Developer

Open to projects
20+ years of experienceLong-term contracts

I write backend and build systems end-to-end — from architecture to deploy. Clarity, reliability, and a working result matter to me — without a pretty wrapper over chaos.

  • FastAPI / Django / asyncio — from spec to deploy
  • 20 years in production, 100+ shipped projects
  • Reply within 24 hours, work on long-term contracts
Discuss a projectDownload CV
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Looking for long-term contracts

FastAPI, Django, asyncio. Interested in serious tasks: APIs, automation, products under load.

01
Long-term contract

Need an API or backend service

FastAPI or Django — from spec to deploy. Docs, tests, CI/CD included.

Discuss the task
02
Python

Need automation or a bot

Telegram bots, scrapers, ETL, integrations. Fast, reliable, with support.

Write me
03
Experience

Need an MVP end-to-end

From idea to working product. I build and ship solo projects — I know how to cut corners right.

See projects

I don't just write code — I build the whole system: I see where it lies, where it breaks, where it stalls. Clarity, architecture, reliability, and a living product matter to me — not a pretty wrapper over chaos.

Outside engineering — music and writing. And that point where technology meets human reality.

20+
years in development
100+
shipped projects
24/7
production uptime
62+
courses on TPF

What I do

Backend that holds under load. Products that ship and sell.

Backend
Python, Django, FastAPI, DRF
Frontend
React, Next.js, TypeScript
DevOps
Docker, Nginx, CI/CD, Monitoring
Architecture
Microservices, scaling, fault tolerance
Databases
PostgreSQL, Redis
Security
SSL, SPF/DKIM/DMARC, RBAC
Engineering Culture
GitFlow, Code Review, TDD
UI / UX
Design systems, Core Web Vitals

How I can help

Python developer on long-term contracts — APIs, bots, automation, end-to-end MVPs.

01

REST APIs and microservices with FastAPI / Django

02

Bots and automation (Telegram, scrapers, ETL)

03

MVPs and prototypes from idea to deploy

04

Optimization and refactoring of existing code

05

Integrations: payments, CRM, telephony, external APIs

06

Backend audit and architecture consulting

Discuss the task

Work Experience

Over 20+ years implemented numerous projects: from social networks and video hosting to corporate SaaS and CRM systems.

Senior Backend Developer / Tech Lead

ООО «СиПроВер» / ООО «ПВС» / PVS-Studio

2016 — 2025

Building and evolving PVS-Studio's corporate infrastructure, including viva64.com and pvs-studio.com websites, CRM, HelpDesk, and dozens of internal services.

  • Developed and deployed new pvs-studio.com engine with AMP support, multi-language, and REST API
  • Created internal systems: SmartCache (×2 load speed), Phylactery (auto-deployment), Perfector (competency system), Crawler (SEO audit), Profiler (SQL and template analysis)
  • Implemented DevOps practices: CI/CD pipelines, Docker infrastructure, monitoring (Zabbix, Sentry), logging (vector.dev)
  • Migrated and standardized servers to Python 3.13, Django 4.2, PostgreSQL 16
  • Configured fault-tolerant ecosystem with auto-deployment, 24/7 operation with zero incidents
  • Implemented dual server environment per Russian Federal Law 152
  • Led team of 3-5 developers: architecture design, code review, mentoring, and training
  • Built full development cycle: GitFlow, code review, TDD, automated tests (Selenium, pytest), 100% release automation
PythonDjangoFastAPIReactNext.jsDockerPostgreSQLRedisCeleryNginxRabbitMQSentry

Project Director

Агентство «Социогенетика»

2012 — 2015

Managed portfolio of 20+ projects for major clients. Built processes and teams.

  • CRM logistics automation for START transport company — route optimization and order management
  • Management system for Eurasian Youth Economic Forum (SCO) — participant registration, scheduling, integrations
  • Launched 20+ web projects for large and medium businesses (retail, fintech, e-commerce)
  • Reduced technical specification approval time by 40% through prototyping implementation
  • Realauto.ru — automated parser for auto ads from forums with smart search and filters
  • Sidious framework for rapid Django web project prototyping
PythonDjangoJavaScriptMySQLProject Management

Backend Engineer

Signception

2009 — 2012

Building web services and startups from scratch: from idea to production. Social networks, SaaS, video hosting.

  • Vrespecte.com — social network for hip-hop and rap music fans (5000+ users, audio/video streaming)
  • Wedding planning SaaS — full event organization cycle, service booking, CRM for organizers
  • Video hosting with upload, transcoding, and streaming functionality (FFmpeg, HLS)
PythonDjangoMySQLRedisCeleryNginxFFmpegjQuery

Reply within 24 hours

Got a Python task?

Looking for long-term contracts: APIs, automation, backend under load. Describe the task — I'll reply within 24 hours.

Contact meDownload Resume (PDF)

Find Me on Social Media

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