Top 30 Ruby on Rails Developers in San Francisco

One of Toptal's most impressive clients is a machine learning and artificial intelligence platform for marketing. The sophisticated nature of the project required expert developers familiar with cutting-edge technology and complicated programming principles, and Toptal's freelance screening service enabled the client to find freelancers with the right skills quickly. The varying needs of the project made Toptal the right choice because they could easily expand and shift the focus of their development team.

"Toptal made it easy to work with the team. If there was ever anything wrong, it was fixed quickly." – Co-founder, Advertising Technology Firm

Koombea transitioned a home improvement company's e-commerce website to Shopify Plus. Using Ruby on Rails, the team created an intermediate platform to facilitate the migration between Shopify and the client's back office. Since launching the new site, the client's sales have skyrocketed.

"We have the most stable e-commerce platform. We had a huge increase of 700% in sales." — CIO, Home Improvement Company

Grio built a web app that allows remote access to an electroencephalogram device for a medical-device manufacturer. Their team developed the frontend using React and the backend using Node.js and Ruby on Rails. The app received significant positive feedback.

"The team’s willingness to take on new challenges distinguishes them from other development vendors that only specialize in specific technologies or types of applications." – CTO, Medical Device Manufacturer

Telos Labs provided development solutions for a savings app. The development of the app was met with significant hurdles, and Telos Labs helped to finish the process. Since the app’s launch, there have been little to no problems with it.

“The fact that they are small, nimble, and easy to work with is one of the biggest assets that they provide.” - Founder, Savings App

A merchant acquiring service company hired Infuse to adapt their existing software to their Clover POS hardware. Infuse worked closely with the company in the integration, the creation of a strong UX design, and meeting their fulfillment, logistics, and other operational needs. After the completion of this project, Infuse was tapped to provide support for their Android mobile application and integrate a Bluetooth dongle that gives the connected device the ability to allow credit card payments.

"They’re smart and scrappy. We didn’t have to provide a lot of direction or requirements to get our desired outcome." - SVP of Technology, Merchant Acquiring Service Company

An automotive company engaged with RailsFactory for custom software development. The team was responsible for building an online multi-user management system based on the company’s existing offline application.

"Their after-sales service was exceptional."

Infinite Red, Inc. developed a mobile app for an events company. The app is compatible with iOS and included several functionalities, including messaging and payment. The team’s deliverables have been largely successful and impressive to internal stakeholders.

“I’ve been tracking the activity on the builds that they’ve delivered for me and have been pretty satisfied with the quality of work and the engagement we’re getting as a result of it.” — Founder, Events Platform

Opcito Technologies develops custom software for an intelligence cloud company. They are tasked to create a cluster and single-click deployment using CircleCI.

"They are fast to implement solutions and well-focused on DevOps."

Idea Usher developed a mobile app platform for a gym owner. The goal was to keep track of customers easily.

"They talked to me directly and they started work as soon they heard my idea."