Hire senior freelance Ruby on Rails developers in France

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.

As a seasoned developer with a rich 12-year journey from initial designs to IPO-ready internet applications, I bring a wealth of expertise. Specializing in Ruby, I've honed my skills in building and scaling applications effectively. My experience extends to working with renowned companies like FinalCAD, Lyst, Ilek, Nedap, Pipplet, and Team Satchel, to name a few. My forte lies in a versatile skill set that covers strategic planning, operational efficiency, and tactical execution. This includes scaling engineering teams, enhancing infrastructures, and mentoring talent to foster growth. I thrive in transforming backends for multi-region hosting and automating systems for efficient deployment. Embracing remote work since 2018 and having lived across continents, I excel in adapting to diverse environments and delivering flexible, innovative solutions. Partner with me to elevate your company's technological capabilities and chart a path toward unprecedented success. Illustation from https://unsplash.com/@jazminantoinette

Hey! I'm a product and software engineer with over 10 years of professional experience and a degree in Computer Science from Epitech. I have extensive experience in full stack engineering, from infrastructure (e.g. Terraform and Docker) to the backend (e.g. Ruby on Rails and Node with Express) and the frontend (e.g. React/Redux). I’ve had the chance of building products in a wide variety of industries, including: marketing automation for enterprise companies, human ressources for SMBs, and logistics for E-commerce DTC brands.

I am a software engineer, programming mentor, and tech intrapreneur. I specialize in building elegant and functional web solutions, primarily using Ruby on Rails. I've spent the last 10 years helping tech companies make the world a better place. In addition to lead entire projects from conception to shipping, I've demonstrated excellent communication skills. Through years of experience, I've engaged in articulate discussions, both written and verbal, with fellow developers, project collaborators, and stakeholders. My track record includes skillfully presenting complex technical concepts, contributing to detailed technical documentation, and fostering clear communication channels crucial for streamlined collaboration in software development projects. I have also showcased robust leadership skills by overseeing and managing a team of fellow software developers, steering daily operations within the technical domain. My experience extends to offering guidance and support to team members, establishing performance standards, delivering constructive feedback, and adeptly addressing challenges as they emerge. Additionally, I have taken an active role in mentoring junior developers and nurturing aspiring talents within the software development field. Looking forward to hearing from you!

Software engineer & DevOps with 15+ years of experience in applications development and infrastructures management. I offer a wide range of services from Ruby on Rails projects consulting and development to the deployment of cloud infrastructure on Amazon Web Services.

I started learning Ruby 10 years ago when a specific problem needed to be solved at a retail company. Since then, I have continuously leveraged the potential of this exceptional programming language. Currently, I am training in AI-assisted automation to optimize the resolution of time-consuming problems. I am passionate about learning new skills. I have always had a keen interest in acquiring new knowledge and consistently find ways to apply what I learn to solve problems or improve processes. I take a great interest in deeply understanding the products I work with, which allows me to find the best solutions to satisfy customer needs. Over the past few years, I have used various technologies such as Ruby, Hotwire, Vue.js, Flutter, as well as tools in artificial intelligence, No-Code, and automation.

Hi, I'd be delighted to build your MVP or add new features to your existing Ruby app. From brainstorming to design to implementation, I can jump in at any point and provide constructive feedback or working code, whatever you need. Having worked in the frontend before going fullstack, I'm particularly at ease with HTML and CSS, and I take great care to build responsive and accessible UIs. Backend-wise, I've worked on several document generators, online shops, built blogs, implemented full-text search, and worked with APIs and webhooks, both inbound and outbound. Let's talk!

With over two decades of experience in software/application development, I've cultivated an expertise that spans multiple technologies and industries. Beginning with Java, I honed my skills within the heart of France's major banks and industries, mastering the foundations of software architecture. A decade later, my passion led me to Ruby, ushering in a new era of innovation. From dynamic startups like HelloPrêt to industry giants such as Doctolib, EDF, and Smart Pension, I've thrived in diverse environments, leveraging Ruby's flexibility to deliver exceptional solutions. Mentoring: Throughout my journey, I've embraced the role of mentor, guiding junior developers to unlock their potential and fostering a culture of collaboration and excellence. By offering advice and assistance, I've not only enhanced team productivity but also cultivated a cohesive and supportive work environment. Test addict: Testing isn't just a task – it's a philosophy that I've embraced since my inaugural professional experience in 2004. From unit tests to performance evaluations, I've championed the importance of comprehensive testing, recognizing its pivotal role in crafting resilient, bug-free software. Beyond mere functionality, tests empower us to build applications that are not just robust, but also easily maintainable. Performance lover: I'm passionate about performance optimization. Whether it's identifying and fixing N+1 queries, optimizing database indexes, or fine-tuning JVM settings, I love diving into performance challenges. Each problem is unique, and I enjoy finding tailored solutions to ensure systems run smoothly and efficiently.

I am an experienced developer, specialized in creating tailor-made IT solutions. With strong expertise in web development, I am passionate about creating innovative and high-quality products. I also have very strong skills in architecture, cloud, security, DB, UX, UI and devops. Most of the time i deal with postgresql, hotwire, turbo, active storage, tailwind, redis, docker and much more. My close collaboration with clients, my commitment to excellence and my flexibility make me the ideal partner to transform your ideas into technological reality. Contact me to discuss how I can contribute to the success of your project.

I am a web developer for over 12+ years. I was able to gain solid experience in Ruby on Rails. I remain attentive to others opinions and I attach great importance to the human aspect. I know how to adapt depending on the context and the team I work with. What I can do: Web development (mainly backend - Ruby on Rails). Definition of the roadmap, OKRs and allocation of individual objectives to developers. Setting up squad teams (according to the Spotify model). Recruitment of developers and (product). Quality: Technical orientation, implementation of metrics, code/doc review and training of junior developers. My motto “every problem has a solution(s)”.