What is Cloud City’s Approach to Building Products?
Cloud City builds products for life—engaging mobile experiences that stick with users. They specialize in React Native applications, bringing diverse high-performance teams together to craft creative, user-centered designs. Their approach includes modular design systems and tested full-stack code, all built with the future in mind. It’s not just about launching a product; it’s about creating something that lasts and evolves.
Main Benefits of Cloud City’s Expertise
Here’s what stands out about their work:
- Four years of partnership with the Public Library of Science (PLOS), covering design, user testing, architecture, development, and devops.
- Senior talent that seamlessly integrates with client teams, delivering elegant code and smooth handoffs for rapid iteration.
- Experience across healthcare, education, ecommerce, nonprofit, and technology sectors.
- Strong track record with notable clients like American Cancer Society, Vital Strategies, Okcupid, and Matterport.
- Expertise in full-stack development, UI/UX, project management, and scaling complex systems.
Vital Strategies: Global Health Through Data
Vital Strategies is a global health organization dedicated to helping governments make informed decisions using data and knowledge. Their mission? To improve global health and quality of life by preventing epidemics. The Resolve to Save Lives initiative accelerates the implementation of International Health Regulations (IHR), aiming to keep nations safe and prepared. Cloud City supports this mission with software development and project management, ensuring the tech side is just as robust as the vision.
Open Source Tools: Bundler and Deathstare
Bundler is a free, open source tool that helps Ruby applications track and install dependencies across development and production machines. Led by André Arko, a senior developer at Cloud City, Bundler is a staple in the Ruby community, with André regularly sharing insights at industry conferences. Then there’s Deathstare—developed entirely by Cloud City—an open source tool for extreme load testing. It features a JSON REST API client, a Rails engine-based web dashboard, auto-scaling test workers on Heroku, and real-time results via Librato. These tools highlight Cloud City’s commitment to open source and developer empowerment.
Working Across Diverse Industries
Cloud City’s portfolio spans a wide range of industries, each with unique challenges and goals. From Pear Therapeutics’ digital therapies for brain disorders to Matterport’s virtual 3D environments, the team adapts their skills to fit the project. They’ve contributed to projects involving IoT devices, customer relationship management platforms, online shopping communities, and even smart sous vide cooking. This versatility shows their ability to innovate and deliver across different tech stacks and user needs.
Project Impact: Sustainable Development Goals (SDGs) Linked
- Good Health and Well-being (Vital Strategies, American Cancer Society)
- Quality Education (Teach Tci, California Academy of Sciences)
- Industry, Innovation, and Infrastructure (Deis, Bundler)
- Reduced Inequalities (Fairloan, Pride)
- Climate Action (Five Gyres, Pivot Bio)
- Partnerships for the Goals (Open Source collaborations)
Cloud City’s Collaborative and Forward-Thinking Culture
At the heart of Cloud City’s success is their ability to join client teams as senior talent, delivering elegant, maintainable code while enabling rapid iteration. Their work isn’t just about coding—it’s about training, content strategy, and scaling solutions thoughtfully. Whether it’s supporting startups, nonprofits, or global health organizations, Cloud City brings a creative, user-centered mindset to every project. It’s a blend of technical excellence and human-centered design that drives lasting impact.





















