Freelancer profile translated to English.
Back to original languageAbout Maximilien
Web developer since 2015 (École 42), I specialized in Ruby on Rails, which I consider the most effective framework for small teams thanks to its speed and robustness.
I mainly focus on backend development for API projects (monolith or microservices), while maintaining strong fullstack versatility (React/Vue, TypeScript, Tailwind, DevOps culture, ...).
Experienced in demanding environments (banking, start-ups, SaaS), I bring rigor, product mindset, and software quality: automated testing, architecture best practices, and team support.
Open to backend or fullstack roles, hybrid or full remote.
I speak fluent English — let’s talk!
________________
Web developer since 2015 (École 42), I specialized in Ruby on Rails, which I consider the most effective framework for small teams thanks to its speed and robustness.
I mainly focus on backend development for API projects (monolith or microservices), while maintaining strong fullstack versatility (React/Vue, TypeScript, Tailwind, DevOps culture, ...).
Experienced in demanding environments (banking, start-ups, SaaS), I bring rigor, product mindset, and software quality: automated testing, architecture best practices, and team support.
Open to backend or fullstack roles, hybrid or full remote.
Let’s talk!
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 10km), Nantes (up to 10km), Rennes (up to 10km), Angers (up to 10km), Vannes (up to 10km)
Experience
- ASIBackend Ruby on Rails DeveloperBANKING AND INSURANCEApril 2025 - Today (1 year and 2 months)Paris, FranceEarly-stage Bank as a Service project to design a 100% API product, based on a microservices architecture.- Design and integration of a new KYC microservice, orchestrating the interface with a third-party provider.- Development of critical features, implementation of automated tests (RSpec, contract/request specs) and MR reviews.- Contribution to distributed architecture: inter-service REST APIs, ongoing migration to Kafka (event-driven).- Technical leadership (challenging product needs, technical implementations, sharing best practices).Stack: Ruby 3.2, Rails 7 (API-only), ROM.rb, Dry-rb, RSpec, Docker, Kubernetes, Kafka.
- BenefactorumFounding Engineer Ruby on Rails / ReactCIVIC AND SOCIAL ORGANIZATIONSDecember 2022 - Today (3 years and 6 months)Nantes, FranceBenefactorum is a non-profit project.It is a web/mobile donation app to fund public interest associations.2023: Ideation + project structuring.Market research, user research, business model search, ...Publication of a manifesto to present the project in September 2023: https://benefactorum.org/Fundraising and creation of statutes in December 2023.2024: Product design + MVP build.Product & UI/UX Research on Figma.MVP prototyping: https://www.figma.com/proto/jzJ0uw4wXikdbyxREgJjGv/benefactorum?node-id=1882-15895Technical stack research and selection:- Rails 8- React + TS + TailwindCSS + shadcn/ui- Inertia.js to connect backend to frontend ('modern monolith' aka monorepo)- Kamal and Github Actions for CI/CDSee the app in pre-prod: https://staging.benefactorum.org/
- KamatzFull Stack Ruby on Rails / Vue DeveloperMarch 2022 - December 2022 (9 months)Paris, FranceEarly-stage start-up specializing in recruitment.- Development of features on the application (dashboards, long-term mission management, job board).- Contribution to integration with ElasticSearch (advanced searches and filters).- Implementation of automated tests (RSpec, Cypress) and participation in Scrum rituals (refinement, planning, review).- Collaboration within a highly experienced team (7 developers, including 1 hands-on CTO and 2 leads), in a well-respected Scrum framework.Stack: Rails 7, Vue.js, TypeScript, PostgreSQL, ElasticSearch, RSpec, CircleCI, AWS, BulmaCSS.
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Education
- Computer Science42 Paris2018L'école 42 m'a donné le mindset et la sophistication technique nécessaire pour être un développeur performant et agile.