Hire mid-level freelance Ruby on Rails developers

1200+ 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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Software Engineer

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As a developer, I bring a unique blend of technical expertise, creativity, and a passion for problem-solving to every project I undertake. My journey into the world of software development began with a deep curiosity for understanding how technology shapes our daily lives. From tinkering with code in my spare time to pursuing formal education in computer science, I have continually sought to expand my knowledge and refine my skills. One recent milestone that stands out is leading the development of a scalable web application for a prominent client, which received rave reviews for its intuitive user experience and robust performance. This accomplishment not only showcased my ability to deliver high-quality solutions but also demonstrated my commitment to exceeding client expectations. I am constantly seeking opportunities to learn and grow, whether it's diving into a new programming language or mastering the latest development frameworks. Recently, I delved into the world of machine learning, exploring its potential applications in enhancing user interactions and streamlining business processes. What truly sets me apart as a developer is my ability to translate complex technical concepts into user-friendly solutions that drive value for both businesses and end-users. I thrive in collaborative environments, leveraging my strong communication skills to bridge the gap between technical and non-technical stakeholders and ensure project success. At the core of my work is a deep-seated passion for leveraging technology to create positive change. Whether it's developing sustainable solutions to address climate change or building innovative tools to empower marginalized communities, I am driven by a desire to make a meaningful impact through my work.

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Multilingual, Multi-talented Software Maven

High response rate

In 2013, I stumbled into the world of software and it's been a thrilling journey ever since. While residing out of state and working as a secretary, a company spotted my resume on a job board and invited me to interview for a junior development role. I was initially skeptical, (I joked that all I could do was update a MySpace page), but they recognized my proficiency in foreign languages and believed they could teach me to code. Although I absolutely bombed the technical interview, my future boss saw potential and told me he saw a working brain at play. They specialized in a healthcare abstraction software written in Smalltalk and it unlocked a part of my brain that I didn’t know existed — something creative and analytical and puzzle-y and I was hooked from word one. I worked with them for about a year before circumstances led me back to North Carolina to be with family. I knew I would never have such luck again, I enrolled in night school and pursued a software apprenticeship. In 2019, I made the decisive shift to a programming career, a choice that has become the pride of my life. Professionally, I am a passionate software engineer specializing in Ruby/Rails, driven by the challenge of solving complex problems with innovative solutions. I am dedicated to maintaining high code quality and ensuring long-term maintainability while approaching new features with a focus on fundamental design principles. Demonstrating confident ownership of my work, I strive to deliver projects with speed and accuracy. I thrive in both collaborative team environments and self-directed settings, embodying a lifelong student mindset, always eager to swiftly learn and master new technologies.

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

High response rate
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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, Spanish.

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14+ years experienced Rails Developer in various domains

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I am a seasoned Ruby on Rails developer, holding a master's degree in informatics and boasting over 14 years of expertise in the field. My proficiency extends not only as a skilled developer but also as an adept project manager. In my freelance journey, I've successfully undertaken diverse projects ranging from the inception of Ruby on Rails applications to the revitalization of legacy systems in languages such as Ruby on Rails, PHP, Java, and Python. My involvement has consistently alleviated the challenges faced by all stakeholders, transforming projects into reliable, testable, and enjoyable endeavors. Emphasizing test-driven development as a cornerstone, I am committed to constructing robust, high-quality software that is easily upgradable, maintainable, and adaptable to evolving requirements. The inherently pleasurable development experience offered by Ruby on Rails facilitates the creation of such applications. Having embarked on the Ruby on Rails journey with version 2.3, my journey has seen me upgrade existing applications from version 2.0 up to the latest iteration, Ruby on Rails 7.1. If you require assistance in upgrading an existing application, I am well-equipped to guide you through the process. Tailoring my technical decisions to the specific needs of each project, I prioritize lean and low-dependency solutions. This approach not only ensures ease of maintenance but also aligns with the longevity of projects. I am fluent in both German and English, offering dedicated support for your projects. With a commitment to excellence, I bring a wealth of experience to the table, ready to elevate your development endeavors to new heights.

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More than ready for Primetime

I'm a Software Engineer based in New Jersey. Rails is my specialty, but I'm a generalist with multiple years of exposure to both the Ruby and JavaScript universes. I know how to build Ruby applications without Rails as well, having worked with Sinatra. I also have a good relationship with RSpec. I've taken a long and winding road to my career as a developer. I've worked in Higher Education, Civil Service, and Nonprofit, always in technology-adjacent roles, but I wasn't ready to commit to a software engineering career until I found a reason to settle down. So I spent a handful of years studying, learning and coding, and now I'm an early career Rails developer with a thorough grounding in algorithms and system design. I'm the creator of TextSomebody, an application that allows users to initiate a text-message conversation with any SMS-enabled device, and to share the contents of that conversation through a unique URL. It makes use of websockets for real-time page updates, and integrates with Twilio's Programmable SMS API. Before deciding to focus on Rails, I co-created Able, an A/B testing framework for Jamstack applications that uses Cloudflare's edge computing platform to serve different variants of static assets from the CDN on a per-request basis. Like I said, I'm devoted to the Rails framework. However, I'm not just a Rails programmer. I'm a Ruby programmer who's also fluent in JavaScript, with experience in frontend technologies like React and HTML/CSS as well. In summary, I'm a dedicated, hungry nerd with an abundance of curiosity and creativity. If you run Rails and you're looking for teammates, we should definitely talk!

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Pragmatic and cooperative, enterprising autodidact, valued collaborator, organizer of Amsterdam Ruby Community events.

High response rate

History After finding a hole in the company website after 2 months of joining as a System Administrator, I had the possibility to change from my role into my passion: software development. That's 17 years ago. From that moment onward, I learnt more languages (C, PHP, and amongst others my biggest love Ruby). Working with databases (most notable: MySQL / MariaDB, PostgreSQL), containerization, ops (using Terraform on AWS, GCP mostly). 7 years ago I discovered I am best suited to help my colleagues grow, and turned into a Rails/Ruby/database/Javascript/HTML teacher at a bootcamp, became a (part time) engineering manager. I've been implementing in Ruby/Rails for 50% of my time for the last 2 years, the rest leading teams and advising C suite execs. My main addition ...to any team is improving morale, by coaching and helping to build quality software, focusing on metrics for both errors and processing time, helping engineers of any experience level grow, and - as an individual contributor, but also as a leader - to only use complex solutions if the problem domain warrants it. Most recently I've switched towards building my own company that aims to reduce energy consumption and CO2 footprint for households. Tiny (IOT) devices, software in C, C++, Rust, and clearly building the required backends in Rails or Rust. Well connected: Apart from that, I am one of the organizers of Ruby NL, for which I've been hosting EuRuKo (2019), NoRuKu (2020), and monthly community events of Amsterdam Ruby organisation amsrb.org. If you want a platform where your engineers can present how you solve problems: Contact me!

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