Hire senior Ruby on Rails developers

I’m a software engineer with 6+ years of development experience in Ruby on Rails. Currently working with Postgres, ElasticSearch, Heroku, and Sidekiq Rspec Minitest React.js AWS, Git ,Github, Bitbukt, Jira, Trello, Agile process. • Flexible for US Time zones • Upgrade Rails App from Rails 5 to Rails 6 with complete Spec coverage • ATS Integrations • Implement Stripe for many products • Ruby, Rails 3-7 with TDD • Spree, Sidekiq with large volume of jobs • Deeply Analytical, Systematic, Technical Thinker.

As a Certified Scrum Master with 10 years of experience, I specialize in web technologies like Ruby on Rails, Node.js, React, and more. My career has been shaped by working with diverse, distributed startup teams, where I've built and scaled reliable products. Developer Origin Story My journey began at university, where a passion for solving complex problems sparked my love for coding. This passion led me to a career focused on creating impactful software solutions, from upgrading legacy systems to developing new applications. Recent Milestone Recently, I led the successful development and release of a key feature at my recent gig, coordinating efforts across multiple teams and time zones. This project highlighted my strengths in technical leadership and effective communication. Passion and Continuous Learning I'm deeply passionate about both teaching and learning. I regularly conduct training sessions on CI/CD pipelines and testing frameworks, and I enjoy mentoring junior developers and giving guest lectures on Git. Unique Skills My unique blend of technical expertise, leadership, and a passion for continuous learning makes me a valuable asset to any team. I'm highly analytical, empathetic, and inquisitive, always striving to build scalable, reliable, and innovative solutions.

Hello! 👋 I'm DeLynn Berry, and I've been building web applications with Rails for almost 20 years. I pride myself on being able to condense complex problems into simple solutions that delight customers and help products thrive and grow. If you have a product idea you are looking to validate, or an existing product that you are struggling to get to market fit, reach out--I'd love to work with you!

With over a decade of hands-on experience in Ruby on Rails (v3 - v7.2), I specialize in helping startups and businesses turn ideas into reality. For the past 8 years on Upwork, I’ve supported clients in bootstrapping their MVPs and maintaining scalable, high-performance web applications. Whether you need to bring a concept to life or enhance an existing product, I’m here to deliver solutions tailored to your needs. Core Expertise: Backend Development: Ruby on Rails, PostgreSQL, MySQL, MongoDB Frontend Development: HTML, CSS, SASS, JavaScript, jQuery, React.js Cloud & DevOps: AWS, DigitalOcean, Heroku, Azure, GCP, Web Servers, Load Balancers, Proxies Payment Integration: Stripe, PayPal, SagePay, Dintero APIs & Integrations: Gmail, Google Maps, YouTube, Cloudflare, Instagram, Facebook, Shopify, Stripe Other Technologies: Redis, Elasticsearch, WebSockets, Sidekiq, Event Store, Spree Commerce, Email Warmup Tools & Platforms: Project Management: Jira, Trello, Monday.com, Version Control: GitHub, Bitbucket, Gitlab Error Monitoring: Sentry, Honeybadger, Rollbar, New Relic I’m proficient in integrating email services, optimizing system performance, and implementing real-time features like WebSockets. My ability to handle complex projects from architecture to deployment ensures that your product runs smoothly and scales efficiently. Let’s Build Together: I’m excited to help you take your project to the next level. Let’s discuss how I can support your development goals. GitHub: tvcam

Hi, with 7+ years of experience as a Ruby on Rails and full stack developer, I excel in building dynamic and scalable web applications. My expertise spans across a range of JavaScript frameworks, including ReactJS, NextJS, NodeJS, NuxtJS, and VueJS. I combine my strong backend skills with modern frontend technologies to deliver seamless, high-performance solutions My journey started with a keen interest in technology and quickly evolved into working on complex projects. Recently, I led a team to build a scalable microservices-based application, which enhanced both user experience and performance. I’m also exploring serverless technologies, like AWS Lambda, to improve application efficiency. What makes me stand out is my ability to handle both frontend and backend development, solve tough problems, and create user-friendly solutions. My diverse skills and hands-on experience make me a strong addition to any development team. Let’s build something great together!

Ruby On Rails developer with 5+ years of experience in developing web-based applications and Client-Server technologies using Ruby on Rails / Sinatra. Good exposure to all stages of the development life cycle including requirement analysis, design, development, and implementation. Skills: Ruby on Rails (with the latest version 7) Testing (Expert with Rspec, Cucumber and Capybara ) TDD, MVC Version control systems (git) JavaScript (jQuery and CoffeeScript), React Js Databases (MySQL, PosgreSQL, MongoDB, Elasticsearch) Payment systems (Paypal, Stripe) SMS gateway (Twilio) Heroku, AWS(EC2 and S3). Mail gateway( MailChimp, mandrill, mailgun) Digitalocean, Amazon via Capistrano (Nginx+Passenger) / (Nginx + Puma) REST API, GraphQL Third-Party APIs: Twitter, Snapchat, Pinterest, Google Ads, Facebook, Shopify, Klaviyo

I’ve been working in web development since 2003 and I started using Ruby on Rails since 2016 until now. If you need any help on web development don’t hesitate to ping me. Hope to hear from you soon. Thanks!

Dedicated Senior Full-Stack Software Engineer with over 10+ years of experience in developing and deploying high-quality web applications. Expertise in Ruby on Rails, JavaScript, React and agile methodologies, with a track record of delivering user-focused solutions in fast-paced and scaled environments. Adept at collaborating with cross-functional teams and passionate about mentoring and sharing knowledge with others. I can help you with: Refactoring your legacy app into a readable and maintainable codebase Building your MVP in short time Building new cool features and fixing bugs on your app I can build your SAAS I can build your mobile app's MVP in 4 weeks. Using: - Ruby on Rails - ReactJS - React Native

I’m a full-stack developer with over 10 years of experience, focused on building SaaS applications. I work mostly with Ruby on Rails, React and Postgres, and I’ve handled everything from backend to deployment to analytics. I’ve built and maintained apps like HTTPScout, an uptime monitor, doing everything from writing the code to setting up the infrastructure. I enjoy taking on big projects, and I’m used to figuring things out as I go. I’ve run my own small ventures, worked as an engineering manager at PagerDuty, and understand both the technical and business sides of software. I like clean, simple solutions that work. I’m also experienced with DevOps and prefer keeping things well-documented. If you need someone who can build and launch a project end-to-end, I'd love to chat.

My primary experience is with Ruby and Ruby on Rails. I have built several applications from scratch, and I have worked on early-stage projects, some of which are now live and being used by customers. Additionally, I have experience deploying applications, tracking and resolving production issues, and collaborating with front-end developers and designers to ensure a seamless user experience. I am familiar with deployment using Heroku. I have a strong passion for emerging technologies. I have worked on a play-to-earn football management game in the past year and developed a tracking system and daily reward system. I am currently working on a SaaS product complete with payment functionality. For project management, I'm most familiar with Linear, but I've also used other apps like Trello and Basecamp. Here are some of the technologies that I'm familiar with: - Ruby on Rails - TailwindCSS - Hotwire (Stimulus & Turbo) - Haml - PostgreSQL - Redis - Sidekiq - Git - Heroku - RSpec and Minitest - Bootstrap I am a fast learner and love learning new things. So if your stack is slightly different to what I'm familiar with, it's not a problem as I can pick it up quickly. P.S Check out my website to find out more about me.