Hire mid-level Ruby on Rails developers

1300+ Ruby on Rails developers looking for their next gig. Juniors to seniors and everyone in between, you'll find them all here.


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Efficient and persistent.

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Hello! My name is Manuel Lopez, and I'm a passionate and motivated developer eager to make an impact in the tech industry. I recently graduated from Durham College and am currently working as a dishwasher while I focus on advancing my career in development. My journey into programming started with a fascination for how things work at a fundamental level, which led me to explore both front-end and back-end development. One of my proudest accomplishments is creating a detailed 8085 microprocessor simulator, which allowed me to dive deep into low-level programming and computer architecture. This project, along with my work on a React Native multimedia application, highlights my ability to handle complex technical challenges and deliver high-quality results. Currently, I'm developing a CHIP-8 visualizer, an interactive tool that enhances understanding of the CHIP-8 emulator by visualizing memory interactions and display updates. I thrive on solving problems and learning new technologies. For instance, I'm actively participating in the ProtoHackers challenge, which is helping me refine my skills and stay current with industry trends. My unique combination of skills in both low-level and high-level programming, coupled with my determination and enthusiasm, makes me a valuable asset. I am committed to leveraging my abilities to contribute effectively to your team and help drive innovative solutions. If you’re looking for a developer who is not only technically proficient but also passionate about continuous learning and making a meaningful impact, I would be thrilled to bring my expertise and dedication to your company.

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

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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, and Spanish.

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Ruby on Rails Expert | Real Time App | NodeJS | ReactJS | NextJS

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As a developer with over 7 years of experience, my journey began with a curiosity for how technology can be harnessed to solve real-world problems. Early on, I was drawn to full-stack development because of the opportunity to work across the entire application lifecycle. My expertise lies in Ruby on Rails, ReactJS, and React Native, but my passion for learning has driven me to continually expand my skill set with technologies like GO, NextJS, Node.js, and Python. One of my recent accomplishments was leading the development of a mobile app that streamlined a complex insurance process. By integrating APIs, building a custom voucher system, and enhancing the user interface, I not only improved the user experience but also contributed to a 10% increase in sales. This project reinforced my belief in the power of well-crafted software to drive business success. What sets me apart as a developer is my focus on problem-solving and scalability. I thrive on dissecting complex issues, whether it's improving performance by optimizing code or implementing a solution that scales seamlessly. I’m passionate about helping businesses grow through technology, and I pride myself on my ability to adapt quickly, learn new tools, and apply them to solve unique challenges. Above all, I am committed to building high-quality, impactful software that not only meets the needs of users but also drives meaningful results for the businesses I collaborate with. Whether it’s developing from scratch, maintaining existing projects, or testing new ideas with an MVP, I bring a versatile and solutions-driven mindset to every challenge.