Freelancer profile translated to English.

Description

Backend Python senior. I scaled Martine from 0 to 9M users solo (Docker, FastAPI, PostgreSQL, Rust) and contributed to the core of Red-DiscordBot (5,500 stars, ×26 throughput Twitch merged). 7 years of experience, including 4 as a freelancer,from code to the infrastructure that runs it.

My concrete proof points:

Martine - Certified Discord Bot, scaled solo from 0 to ~9M users and 90,000+ servers over 7 years. 99.9% uptime, freemium monetization in production. Python/Rust architecture, Docker containerized services, Grafana/Prometheus/ClickHouse observability.
Red-DiscordBot (5,500 stars) - 20+ PRs merged into the core. Notably ×26 on Twitch API throughput (30 → 800 req/min). Member of the Cog-Creators organization.
Coretechs Consulting (Washington DC, US agency) - Long-term mission since Sept. 2021. Interventions on client portfolio: US federal government, fintech, health, sports, B2B. Zero-data-loss SQL migrations on 100+ table schemas.

My areas of expertise:

High-load Python Backend - FastAPI, asyncio, robust APIs, WebSockets, PostgreSQL/MySQL/SQL Server modeling and tuning, zero-data-loss migrations
Scaling & performance - Audit, refactoring, throughput optimization, multi-service architecture
DevOps & Linux infra - Docker, cloud deployment (AWS, Hetzner), Nginx/Caddy, monitoring, automation

Main Stack: Python (FastAPI, asyncio, discord.py), Rust, TypeScript, SvelteKit, PostgreSQL, MySQL, SQL Server, ClickHouse, Redis, Docker, Nginx, Caddy, Linux, AWS, Hetzner, Cloudflare, Grafana, Prometheus, Selenium, BeautifulSoup.

Remote anywhere in Europe, based near Caen. Available immediately for short missions (a few days/weeks) or long-term contracts in parallel.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Caen (up to 50km), Paris (up to 50km), Lyon (up to 50km), Nantes (up to 50km), Bordeaux (up to 50km)

Coretechs Consulting Inc.
Senior Backend Developer
SOFTWARE PUBLISHING
September 2021 - Today (4 years and 9 months)
Long-term mission for Coretechs Consulting, a custom development agency based near Washington DC (USA), with 40 years of existence. Remote interventions on the agency's client portfolio.
Varied projects and end clients, in demanding sectors: US federal government, fintech, health and medical, sports, and B2B.

Technical scope:
Python Backend (web APIs, services)
Maintenance and evolution of large-scale Laravel (PHP) applications
Maintenance of legacy ColdFusion applications
Maintenance and development of Odoo modules
Data manipulation on PostgreSQL, MySQL, SQL Server
Web content extraction (Selenium, BeautifulSoup)
Deployment and maintenance of applications on AWS and Azure
Interventions on products used by the US federal government, fintech, health, sports, B2B

Stack: Python, PHP/Laravel, ColdFusion, Odoo, PostgreSQL, MySQL, SQL Server, Selenium, BeautifulSoup, AWS, Azure.
Python JavaScript PostgreSQL PHP Odoo
Martine
Lead Developer & Creator
ENTERTAINMENT AND LEISURE
November 2018 - Today (7 years and 7 months)
Certified Discord Bot, in production, used by 90,000+ servers and ~10 million users. Designed, developed, and operated solo since 2018.

Key achievements:
Scalable Python/Rust architecture designed to absorb load spikes without interruption
Docker containerized services, sized for the load
Self-service administration dashboard in SvelteKit, allowing admins to configure the bot autonomously
Maintenance of the complete infrastructure: cloud servers + dedicated
High-volume real-time integrations: Discord API, Twitch, YouTube PubSub
Zero-data-loss database migrations on critical production
Maintained high availability for 7 years, with no major interruptions
Launched and maintained a freemium monetization model in production, generating recurring premium revenue

Stack: Python, Rust, SvelteKit, PostgreSQL, Redis, Docker, Nginx, Linux, Hetzner.
Python PostgreSQL Rust Docker SvelteKit
Red-DiscordBot (Cog-Creators)
Open Source Contributor
ENTERTAINMENT AND LEISURE
February 2019 - Today (7 years and 4 months)
Red-DiscordBot is a modular open-source Discord bot (Python, asyncio), maintained by the Cog-Creators organization. 5,500+ GitHub stars, deployed by thousands of operators.

Key contributions:
×26 on Twitch API throughput (30 → 800 req/min) via Bearer token migration, merged into the core
20+ PRs merged over the years: new core features, fixes, code reviews
Member of the Cog-Creators organization on GitHub
Author and maintainer of "predacogs", a collection of community modules (30+ stars, 27 forks)
Author of the Python async libraries nekos-best.py and kickcom.py (17+ stars combined), adopted by the Discord bot developer community

Stack: Python, asyncio, discord.py, Git, GitHub Actions.
Python Open Source Git asyncio Discord