Hire principal / staff freelance Ruby on Rails developers in United States

Senior engineer with experience in both greenfield and legacy codebases. I believe that developer happiness and productivity are doubly linked and strive to optimize for both. I'm at my best when I can take ownership of high-stakes features and work with business units to understand the technical and business tradeoffs. Collaborative, no-ego teams are my favorite to foster. Most recently I've been working in the fintech industry on a legacy monolith application with Hotwire and ViewComponents. I've worked successfully with both US and overseas development teams and enjoy providing a multiplicative effect on my colleagues.

In the mid 90s, my mom's HP Pavilion was struck by lightning. Luckily, I accidentally saved a few Dragonball Z websites. Back then, you could view the source code of almost any website and copy everything there to recreate them through your browser. This is what led me to my love for web development. Hi, I'm Chris. I've been in web development professionally for over a decade. Those saved websites opened up a door into a world of problem-solving that I absolutely fell in love with. I've built everything from real-time user tracking to a key inventory management system to an events timeline to countless APIs and integrations, and somewhere in between all of those features, I found a knack for UX and UI. If you are interested in contract work, feel free to reach out!

With over 10 years of experience in the tech industry, my core competencies lie in developing scalable solutions and leading technical projects, exemplified in my previous role at Amazon. During my tenure at Amazon, our team developed a distributed healthcare service that significantly enhances prescription acquisition. My mission is to leverage technology to streamline healthcare processes, making them more accessible and efficient. I have experience working in both a startup and a corporation. PillPack by Amazon Pharmacy ● Led multiple projects for a team of 7-8 engineers working on microservices, written in Ruby on Rails to a workflow engine written using Camunda, all built on AWS cloud infrastructure. ● Initiated and managed a project to unify several platforms that pharmacy agents use into one core service, simplifying the number of tools from nine to five. ● Oversaw a project to implement a specialized process for Amazon Pharmacy after Amazon's acquisition of PillPack, including building a Camunda workflow engine. ● Built a new distributed and scalable service that manages the process of acquiring prescriptions from healthcare providers and other pharmacies, including a CI/CD pipeline in AWS. ● Created an integration test suite of own initiative for the system, which is being used extensively during beta testing as evidence for production.

I love helping people leverage the power of data and software. I've had the privilege of doing so in various roles for over 20 years. My specialty is working with stakeholders to develop extensible scheduling, workflow, and form systems. I also love teaching and mentoring. I'm available for freelance or contract work. Hard problems with no clear cut solution are the most interesting to me. I may also be able to help you get projects started, complete stalled projects, and coach teams on things like system design, and dealing with the technical challenges around modeling sparsely structured data (especially in healthcare and clinical research).

👋 Hello! I create art with various mediums; music, poetry, graphic design, and technology. Ruby on Rails is my go-to web development framework! 💪🏽 I like my Rails mono, Javascript and HTML vanilla, and my stylesheets SCSS-y. As a self-taught, Full-Stack Developer with a deep understanding of the entire web development process, I love seeing ideas go from concept to products and services. We might be a bad fit if you're looking for a computer scientist. Sorry, mate.

Hey there, I'm Michael! I've had titles such as CTO, VP of Engineering, and Lead Senior Engineer before. I have contributed about a dozen PRs too Rails and many more PRs to other gems in the Ruby and Rails ecosystem. Currently, I'm working a contract role as a Lead Software Engineer for a "big-tech" company as well as advising a few startups. I am open to new full-time and part-time opportunities so feel free to message me! I have experience with everything from software architecture, security engineering, database design, query optimization, and Rails performance improvements, as well as plenty of front-end development with everything from jQuery to React to now Turbo and Stimulus. In fact, despite my experience throughout the backend, I find front-end and ultimately "full-stack" product development to be the most fulfilling! Don't hesitate to reach out to see how we might work together.

TEMP

I've been a software engineer and leader for 18 years, with a focus on Ruby on Rails and full-stack development for the last 13. I’ve lead teams of 30+ as a staff and Principal engineer, and as a people manager. I’m an expert in web, mobile, api, service-oriented and micro-services architectures, data pipelines, AI and voice-enabled applications. In addition to Rails, I’m also an expert in React, React Native and JavaScript. I’ve recently owned projects in Python, Django, Typescript, Swift for IOS, Kotlin for Android, and can pick up any language/ framework with a few weeks practice. I offer hands-on development, team leadership, code reviews, team training and up-leveling, as well as UI/UX design and research, project and product management, strategic planning and roadmapping, and compliance for HIPPA and SOC. I’m available for hourly contact rates, or monthly support plans.

I’m a versatile Rails developer with 10+ years of experience building robust web applications, from traditional monoliths to modern client-side apps, REST APIs, and SDKs. I specialize in creating software that’s not only functional but also secure, maintainable, and intuitive—an approach honed through years of working on HIPAA-compliant systems where precision and security are paramount. I stay up to date with current Rails trends and tools, including ViewComponent, Tailwind, Stimulus, Turbo, Inertia, and React. Whether you need to enhance an existing app or build something new from scratch, I bring a deep understanding of the Rails ecosystem and a passion for delivering quality results.

I’m a freelance developer specializing in Ruby on Rails. I've been in tech for just under two decades — I spent the first 12 years or so as an IT consultant, supporting schools and small businesses for all their tech needs. I moved into software development in 2015 and never looked back. I tend to like: Prioritizing solving client problems over writing code Making confusing things clearer Boring stable tech over fancy and new Chasing down bugs