Résumé

CÉDRIC DELALANDE

Poitiers, France

Who am I?

Senior Ruby Developer with 15+ years experience building scalable web applications. Expert in team leadership, system architecture, and cloud migrations.

Creative, flexible and eclectic.

I believe clean, tested code is key to maintainability and performance. I believe in trust and ownership.

Ruby on Rails

Kubernetes

Team Leadership

AWS/GCP

CI/CD

Rust

Experience

2025-Present

Full Stack Developer

Happydemics - Full Remote

Full stack development for market research platform. Ruby on Rails backend development. React/TypeScript frontend development. Python development. AI prompt engineering and integration.

Ruby on Rails / React / TypeScript / Python / AI / Prompt Engineering

2025

Senior Backend Developer

Perfect Memory - Full Remote

Ruby development for enterprise applications. Backend system optimization and maintenance. RDF Knowledge Graphs implementation. Zed IDE language extension development in Rust.

Ruby / Backend Architecture / Knowledge Graphs / Rust / IDE Development

2021-Present

Open-source maintainer

Creator of the barley gem, a fast Ruby model serializer. Maintainer of the rails-i18n gem.

Open Source / Performance Optimization / Community Leadership

2021-2024

Lead Backend Developer

StockPro - Full Remote

Backend squad management (5 developers). Junior mentoring. Architectural decisions. Test suite upgrade (20 → 85% coverage). Technological debt management. Performance improvements. Heroku to AWS migration. Third-party API integration. Sorbet integration.

Ruby / Team Leadership / AWS Migration / Sorbet / Stripe / RSpec

2020 - 2021

Full Stack Developer

Domalys

Ruby on Rails and Go development. Test suite creation (0 → 60% coverage). Heroku to Kubernetes (GKE) migration for international launch. Application and IoT monitoring. Process, data flow and technological standardisation. Cloud architecture, VPC and security. CI/CD.

Rails / Kubernetes / Cloud Migration / Terraform / GraphQL / Golang

2007 - 2020

Freelance Full Stack Developer

MoskitoHero - Self-employed

Ruby on Rails & PHP application development. Web and press graphic design. Customer care.

Ruby on Rails / Client Management / Full Stack Development

Education

2023

Google Cloud Professional Cloud Security Engineer

Google Cloud

2022

Certified Kubernetes Administrator (CKA)

Cloud Native Computing Foundation

1999-2001

English Language and Civilisation Master

Université de Poitiers

Spoken Languages

French - native
English - fluent

Key Achievements

15+ years Ruby expertise
Led team of 5 developers
Open source contributor
Multi-language developer

Interests

System architecture, performance optimization, language design, team mentoring