Hire nível c Ruby on Rails developers in France

1400+ Ruby on Rails developers looking for their next gig. Juniors to seniors and everyone in between, you'll find them all here.


Showing 11 of 1400+ developers. Reset filters

Developer's avatar

CTO, Senior Full Stack Dev | RoR and Js/Typescript Expert | Remote

High response rate

Senior software engineer with over 10 years of experience as a remote freelancer. My educational background includes an MSc 2:1 in computer science and applied mathematics engineering from ENSEEIHT (Toulouse, France) in 2009. I then worked for 2 years as a frontend developer at a startup in London and transitioned to backend work in 2013. Specializing in web application development, I have undertaken projects for companies such as Carrefour, L'Oréal, Cocolis, Epicery, and Alerti. My work has encompassed backend development, data engineering, code and database performance improvement, e-commerce platform customization and logistics, payment system integration, API creation, crawlers, technical documentation, and testing. Passionate about data manipulation and rendering them to users and stakeholders in a more meaningful way, I am currently expanding my skills in AI/ML and neural networks through CNRS fidle formation to explore how I could apply and offer these services to my clients. Recent milestones and accomplishments include: Migrating the payment system from Adyen to Stripe for Epicery Migrating the frontend from Vue to Hotwire for Epicery Developing a geolocalized matching algorithm between carriers and packages for Cocolis Fields of expertise: E-commerce solutions with Solidus/Spree open-source framework Data processing and visualization with Business Intelligence tools for reporting Integration of payment system providers Integration of third-party APIs Database design and performance optimization Frontend performance optimization Crawling and scraping Technical audits Testing, documentation, CI/CD tools Experience with the following tools: Languages: Ruby, Typescript, JavaScript, Node.js, Ruby on Rails Platforms: AWS, Google Cloud Platform, Render, Heroku Frontend: React, Vue.js, Hotwire, Angular, HTML/CSS, Alpine.js, HTMX, Astro Payment providers: Stripe, Mangopay, Adyen, PayPal Data viz: Amazon QuickSight, Superset, Tableau Backend tools: Solidus open-source e-commerce solution, New Relic, Elasticsearch, PostgreSQL, Amazon S3, etc. CI/CD Tools: GitHub CI, CircleCI Fluent in French, English, Spanish.

Developer's avatar

CEO / CTO with 7yrs xp of fullstack Rails dev. I raised +1.6m€ with the company I built from scratch. IoT and hybrid services expert.

Since beginning my journey in web development with Ruby on Rails in 2017, I've been driven by the desire to innovate and lead in the tech space. I founded a music-tech startup, coding 65% of our product myself and leading our talented team of seven to secure €1.6m in funding. Our company, now profitable and fully automated, provides 24/7 accessible studios for music producers and content creators. Our journey in the IoT and music-tech sectors has honed my skills in holistic product design, development, and management. I ensure our products meet end-user needs while seamlessly integrating various professional disciplines, achieving both high performance and strict adherence to timelines. 🛠️ Technical proficiencies: - Languages and frameworks: Ruby 3, Rails 7, TailwindCSS, ViewComponent, Turbo, Stimulus JS. - Testing and opperations: Minitest, Yarn, Sidekiq, Heroku, Redis. - IoT and automation: Raspberry Pi, Home Assistant, smart devices, and API integrations. - Payment and marketing systems: Stripe (Payments, Billing, Identity, Connect), marketing automations with n8n. 😌 Additional skills: - Expertise in marketing, UX design, branding, and both headless and no-code CMS platforms. - Proficient in data science, focusing on data collection, manipulation, and enrichment. 🏢 Industries I add value to: - Music and entertainment, IoT, real estate, travel, cooperative sciences, and hybrid business models. - Extensive experience in industries related to scuba diving and smart buildings. 👀 Looking forward: I am eager to explore new projects and collaborate with teams that aspire to reach and exceed their goals. If you're seeking a seasoned developer with a proven track record and broad industry expertise, let's connect and discuss how we can work together to achieve something exceptional. 😌

Developer's avatar

Experienced Senior Engineer specializing in high-performance web applications

I'm a highly skilled Ruby on Rails developer with a strong command of associated technologies like JavaScript, TypeScript, Postgres, Kafka, Elastic Search, and more. My expertise lies in crafting robust, scalable, and efficient web applications. Key Skills: Ruby on Rails: I have 8+ years of hands-on experience developing web applications using Ruby on Rails. From building APIs to creating complex backend systems, Rails is my playground. JavaScript & TypeScript: I'm proficient in both JavaScript and TypeScript, enabling me to create dynamic and interactive front-end experiences that seamlessly integrate with your Rails backend. Database Mastery: I have a deep understanding of database systems, with Postgres being a specialty. I design efficient database schemas and optimize queries for top-notch performance. Real-time Data Processing: My expertise extends to Kafka, enabling real-time data streaming and processing, ensuring your applications can handle large volumes of data effectively. Search & Analytics: I'm well-versed in Elasticsearch, allowing me to implement powerful search and analytics functionalities in your applications, improving user experience and data analysis. Scalability & Performance: I excel at optimizing application performance and scalability. I ensure your Rails applications can handle increased traffic and maintain responsiveness. Why Choose Me: Experience Matters: With 8 years of experience, I've encountered and overcome a wide range of technical challenges. I bring a wealth of knowledge to every project. Problem Solver: I thrive on finding innovative solutions to complex problems. No challenge is too big for me to tackle. Communication: Clear and transparent communication is crucial. I'll keep you updated on project progress and work closely with your team to achieve your goals. Quality Assurance: I'm committed to delivering high-quality, well-tested code that meets industry standards and best practices. Collaborative: I work seamlessly with cross-functional teams, designers, and other developers to ensure a smooth development process. If you're seeking a Senior Rails Engineer with a proven track record of delivering exceptional results and a passion for creating top-notch web applications, let's connect! I'm eager to bring my skills and experience to your project and help you achieve your goals. Contact me today to discuss how I can contribute to your success.

Sign up now to see more profiles.

Gain access to 1500+ Ruby on Rails developers.