Hire Top Freelance Ruby on Rails DevelopersFind top freelance Ruby on Rails developers quickly and easily on Codementor. Work with our vetted developers who have the proven skills and experience to get the job done. Get help with projects by-the-hour or long-term. Hire a trusted Ruby on Rails freelancer on Codementor today.
I've been teaching programming since 2018 to people of different ages. I'm specialized mostly in teaching how to start programming from scratch: basics of programming languages + basics of computer science. But I always have in mind a long-term perspective for my students and try to develop useful skills just from the start of our work.
With over a decade of experience in full-stack development, I specialize in **Ruby on Rails, custom eCommerce solutions** (Spree, Solidus), **ReactJS**, and **DevOps**. My expertise spans designing and developing scalable, distributed cloud-based applications with a strong foundation in **database architecture** and **system refactoring**. As a technology leader, I’ve successfully delivered complex, high-impact projects across industries including **Real Estate, Finance, Healthcare, Marketing**, and **eCommerce**. My portfolio includes building sophisticated eCommerce marketplaces, **SaaS platforms**, and multi-channel selling applications. I am passionate about crafting innovative, robust software solutions tailored to meet diverse business needs. **Key Expertise:** - **Backend:** Ruby on Rails, building and scaling RESTful APIs. - **Frontend:** ReactJS, JavaScript, responsive UIs with Tailwind CSS, and Bootstrap. - **eCommerce Solutions:** Spree, Solidus, custom marketplaces, multi-tenant SaaS platforms. - **Database Architecture:** MySQL, PostgreSQL, MongoDB, Redis, Cassandra, optimized for high performance and scalability. - **DevOps:** CI/CD pipelines (CircleCI, AWS Pipeline), containerization (Docker), cloud platforms (AWS, GCP, Heroku, DigitalOcean). - **Test-Driven Development:** Expertise in TDD using RSpec, ensuring high code quality and maintainability. In addition to my technical expertise, I have a strong commitment to **open-source contributions** and have developed multiple **Ruby/Rails/Spree extensions**. I also bring a wealth of experience in **refactoring legacy code bases**, implementing **performance optimisation**, and improving **scalability** and **security**. My passion lies in helping businesses unlock their full potential through technology, and I am always eager to collaborate on long-term, impactful projects. Let’s build the future, one line of code at a time. Best regards, Rahul Singh
So, you want to create a fancy website or web application. You *"embellished"* your resumé by saying you are a competent web developer, and now you've landed the job and don't know where to start. You keep hearing about cross-platform mobile apps, where writing a single piece of code gives you an Android AND an IOS app, but don't know much beyond that. You know the basics of HTML/CSS/JS but everyone keeps bugging you about React this, Fullstack that, and you have no idea what that is, and would like to change that. Or... you’re starting from zero and you simply wish to learn. If you fit in any of those categories (and others), I'm your man. If you’re feeling overwhelmed by the overabundance of tools, frameworks and fancy terms, don’t fret, **we’ve all been there**. And I’m here to make the process painless. We can take things one step at a time, no matter your level. Or maybe you just want help looking over your code, smoothing out bugs, or someone to accompany you while you bring your next idea to life. Not to worry; I can help. I have over **8 years** of experience as a Fullstack NodeJS developer, with a special focus on React and React-native, which is basically just fancy lingo for saying I make websites, apps and mobile apps very fast. I can accompany you on your journey from absolute beginner to expert level, if you'll give me a chance.
I’m a senior mobile + backend engineer with 20+ years in software (PHP since 2002; professional since 2005) and 10+ years building mobile apps. I help teams ship and stabilize real products—especially apps that are “almost done” but stuck on crashes, performance, flaky networking, or release blockers. What I can help you with (fast, practical): • iOS (Swift, SwiftUI, UIKit): crash fixes, performance/memory, concurrency issues, architecture cleanup • Flutter (iOS/Android/macOS): reliability, state consistency, networking/retry behavior, release readiness • Backend stability (PHP/Laravel or custom, Python/Django, Rails): idempotency, queues, DB performance, webhook safety • Firebase + mobile reliability: Auth/Firestore rules, Cloud Functions patterns, analytics/instrumentation • Monetization + shipping: RevenueCat/IAP reliability, App Store Connect/Play Console, CI/CD, rejection handling Recent work includes taking a messy iOS codebase (CakeClub) to production-ready with a Firebase Cloud Functions v2 backend, stronger security patterns, CI/release automation, and RevenueCat integration; and delivering major cross-platform Flutter work (BillBlaster) including design refinements, admin tooling, and push notification features. If you come with logs/screenshots (Crashlytics traces, network errors, repro steps), I’ll give you a clear diagnosis and a prioritized fix plan—and if it makes sense, I can execute the fixes as a focused sprint.
Greetings! My name is Muhammad Hassan and I am thrilled to be a **Full Stack** Engineer hailing from the beautiful city of Lahore, Pakistan. With five years of solid experience in the software development industry, I am eager to share my passion for technology and innovation with you. Currently, I am working as a **Frontend Engineer** for Stadim Data, where we are developing cutting-edge products and tools to digitalize the workflows for real estate valuation. I work **remotely**, but the work we do is as exciting as if we were in the same office! I am proud to have completed my Bachelor's degree in Computer Science from the renowned University of the Punjab. In my career, I have had the pleasure of working with a diverse array of companies, ranging from small to medium-sized businesses and startups, which has given me a broad perspective on the industry. Throughout my journey, I have honed my skills in various programming languages and frameworks, including the **React Js, Next Js, Node Js, Graphql, Typescript**, and many more. I look forward to sharing my expertise with you and working together to bring your innovative ideas to life!
I am a software engineering leader with over 10 years of experience building and scaling full-stack web and mobile applications. I have worked across backend, frontend, mobile, cloud, and DevOps, progressing from software engineer to CTO-level roles. My experience includes Python, Django, NodeJS, React.js React Native, Vue.js, Ruby on Rails, Java EE, Asp.NET, Elixir, and Wordpress, along with databases like Elasticsearch and Cassandra. I have designed and deployed scalable systems on AWS using Docker, CI/CD pipelines, and modern DevOps architecture. I enjoy leading teams, designing system architecture, and delivering reliable, production-ready software solutions for complex business needs.
I'm Jon and I love mentoring junior engineers! For 10+ years I lived & breathed 📱mobile.. worked on top 10 App Store apps (Google Maps, Gmail, Google search) as well as a bunch that didn't see the light of day. The pressure took it's toll finally & I followed the "burnout track" and took 6 month sabbatical (that would later turn into almost 3 years). My family & I left the bay with 8 suitcases of all our belongings, and i thought tech would only be in my rear view mirror... I exchanged the standup desks & nap pods of silicon valley to serve families in the slums of Philippines & Cambodia. To my utter surprise and delight though, these families were happier than I was. Something was missing? We came back to the mainland & I tried my hand at using tech for good, by working on the "strava for sobriety" app and it was amazing. I was finally helping ppl again! But as w/ many startups, funding fell through... I then went to help a big, well-funded startup who's goal was "tech for good", specifically in non-profit church space. I was so excited! And somehow, in the midst of "strat sums" and super fun budgets I lost my way... I actually kind of lost heart.
I'm a **polyglot fullstack software developer** (*I'm able to effectively work with multiple languages, tools, and frameworks*) with over 13+ years of industry experience in web application development. I'm also an instructor and mentor in various bootcamps having lead class cohorts, mentored groups of students and 1:1 tutoring sessions. I'm experienced in **Python**, **ECMAScript** (Javascript or Node.js), **Java**, **C#** **Ruby**, **PHP**, and even **Scala**. I work in both frontend and backend spectrums of the web stack, so whether you're debugging something in React.js or you're stuck on a complex SQL query, I'm more than happy to help in your code debugging adventures. My instruction style is that I like to guide the student towards learning *how* to solve rather than simply giving you the solution - I don't believe a student should be stuck on always referring back to a senior developer to get unblocked, but should be empowered to solve their own problems. Now that's real mentorship!
Senior software engineer with 5+ years of experience in backend web technologies including Ruby on Rails, Python, Go, and MySQL. Currently at Tesla, previously EasyPost. Bachelor's in Computer Science. Main strengths include architecting applications and backend API development, have also worked in fullstack roles. The best part of software engineering is that you never stop learning new things.
We'll share your request with freelancers with relevant Ruby on Rails skills and expertise.
Use our messaging feature to instantly chat with freelance Ruby on Rails developers around the world.
Choose the best freelance Ruby on Rails developer that meets your needs.
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Ruby on Rails project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Ruby on Rails request on Codementor, check out our article.
We don’t charge anything when you post a freelance hiring request for Ruby on Rails developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
We do a comprehensive technical and communications screen of all Ruby on Rails developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Ruby on Rails developers’ user satisfaction rates.
For more answers to frequently asked questions, see here.