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Top Ruby Companies (943)

Artificial Intelligence • eCommerce • Information Technology • Mobile • Payments • App development • Utilities
4 Offices
600 Employees

KUBRA provides customer experience management solutions to some of the largest utility and government entities across North America. Our portfolio of meter-to-cash and outage communication solutions includes billing and payment, mapping, mobile apps and proactive communications solutions for customers. With more than one billion customer experiences annually, KUBRA services reach over 40% of U.S. households. KUBRA is an operating subsidiary of the Hearst Corporation.


Healthtech • Information Technology • Mobile • Productivity • Software • Analytics • Telehealth
Fully Remote, USA
700 Employees

Founded in 2010, Doximity is the leading digital platform for U.S. medical professionals. Our network members include over 80% of U.S. physicians across all states and every medical specialty. Our mission is to help every physician be more productive and provide better care for their patients. We are physicians-first, putting technology to work for doctors instead of the other way around. That guiding principle has enabled Doximity to become an essential and trusted professional platform for physicians. Our cloud-based platform provides our members with tools specifically built for medical professionals, enabling them to collaborate with their colleagues, securely coordinate patient care, conduct virtual patient visits, stay up-to-date with the latest medical news and research, and manage their careers.

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Fintech • Information Technology • Insurance • Software
4 Offices
1,100 Employees

Simply Business is dedicated to making small business insurance simple and accessible. Our robust digital marketplace allows small business owners to find and buy the insurance they need online, matching them with coverage from multiple top insurers to offer choice, transparency, and value. We have nearly 20 years of experience supporting small businesses, with over 1 million customers worldwide. Founded in the U.K. in 2005, Simply Business launched its U.S. operations in 2017 and today employs over 1,000 people across offices in London and Northampton in the U.K., and in Boston and Atlanta in the U.S.Simply Business is more than our name. It’s how we approach small business insurance.


Artificial Intelligence • Cloud • Information Technology • Machine Learning • Software • Big Data Analytics • Automation
8 Offices
1,200 Employees

PagerDuty, Inc. (NYSE:PD) is a global leader in digital operations management, enabling customers to achieve operational efficiency at scale with the PagerDuty Operations Cloud. The PagerDuty Operations Cloud combines AIOps, Automation, Customer Service Operations and Incident Management with a powerful generative AI assistant to create a flexible, resilient and scalable platform to increase innovation velocity, grow revenue, reduce cost, and mitigate the risk of operational failure. Half of the Fortune 500 and nearly 70% of the Fortune 100 rely on PagerDuty as essential infrastructure for the modern enterprise. PagerDuty is Great Place to Work-certified™, a Fortune Best Workplace for Millennials, a Fortune Best Medium Workplace, a Fortune Best Workplace in Technology, and a top rated product on TrustRadius and G2. Go behind-the-scenes at careers.pagerduty.com and @pagerduty on Instagram.


Cloud • Fintech • Machine Learning • Analytics • Financial Services
5 Offices
18,000 Employees

Discover is one of the most recognized brands in U.S. financial services. We’re a direct banking and payment services company built on a legacy of innovation and customer service. We support, challenge and inspire employees to continually develop their skills, advance their career and help grow our business.


Digital Media • Gaming • Information Technology • Software • Sports • Esports • Big Data Analytics
11 Offices
5,300 Employees

It's simple, at DraftKings, we believe life is more fun when you're in on the action. For that reason, we’re committed to responsibly creating the world’s favorite games and betting experiences. We’re developing the most innovative and entertaining real money products and offers; to forever transform how people experience sports; to be a fully vertically integrated sports betting operator. It's our ultimate goal to build the best, most trusted, and most customer-centric destination for our players. We’re defining what it means to build and deliver the most extraordinary sports and entertainment experiences. Our global team is trailblazing new markets, developing cutting-edge products, and shaping the future of responsible gaming.


Artificial Intelligence • eCommerce • Information Technology • Internet of Things • Automation
9 Offices
15,100 Employees

CDW Corporation is a leading multi-brand provider of information technology solutions to business, government, education and healthcare customers in the United States, the United Kingdom and Canada. A Fortune 500 company and member of the S&P 500 Index, CDW helps its customers to navigate an increasingly complex IT market and maximize return on their technology investments. For more information about CDW, please visit www.CDW.com. Our broad array of products and services range from hardware and software to integrated IT solutions such as security, cloud, hybrid infrastructure and digital experience.


AdTech • Artificial Intelligence • Digital Media • Marketing Tech • Social Media • Software • Generative AI
8 Offices
805 Employees

We solve for advertising campaign and creative complexities - both key elements to the time/money savings and performance that brands, agencies and businesses seek. Our unified platform combines media, creative, and intelligence, offering end-to-end workflows powered by AI across the open and closed web. With over 700 brands and advertisers, we've proven that dynamic and personalized creative makes advertising impactful. We are on a mission to transform the advertising experience for brands and their consumers. ⚡️


Machine Learning • Security • Software • Analytics • Defense
Woburn, Massachusetts, USA
600 Employees

STR makes the world a safer place by developing technology and applying it to solve emerging national security challenges.


Aerospace
Berthoud, Colorado, USA
236 Employees

At Ursa Major, we are powering the future of aerospace. We see aerospace advancement as a technological imperative and we’re accelerating the industry as the leading source of world-class propulsion systems. We meticulously design, craft, and test engines that are optimized to offer high performance, diverse capability, and unwavering reliability.


Fintech • Insurance • Payments • Social Impact • Financial Services
Arlington, Massachusetts, USA
400 Employees

Founded in 2002, Leader Bank is a Massachusetts-based entrepreneurial financial institution that approaches banking differently. The core tenets of Leader Bank include client services, exemplary products, and innovation to meet the needs of its clients. Leader Bank’s best-in-class staff has been at the forefront of supporting the bank’s rapid growth and client-oriented solutions, as the bank has continued to expand its commercial and retail products and solutions over the last two decades. Leader Bank is a committed corporate citizen and prides itself on partnering with and supporting philanthropic organizations.


Cloud • Internet of Things • Software • App development • Automation
5 Offices
800 Employees

SmartBear is pioneering innovation in software quality, embracing AI’s transformative potential. The company’s powerful solution hubs, including SmartBear API Hub, SmartBear Insight Hub, and SmartBear Test Hub, featuring HaloAI, give software development teams around the world visibility and automation that provide end-to-end quality. SmartBear is trusted by over 16 million developers, testers, and software engineers at 32,000+ organizations – including innovators like Adobe, JetBlue, FedEx, and Microsoft. With an active peer-to-peer community, SmartBear meets customers where they are to help make our technology-driven world a better place. The company is committed to ethical corporate practices, including responsible AI that integrates accountability and transparency across its technology stack, and to social responsibility, promoting good in all the communities it serves. Award-winning and industry favorite tools including SwaggerHub, TestComplete, Bugsnag, ReadyAPI, Zephyr, and Pactflow, among others. Trusted by over 16 million developers, testers, and software engineers at 32,000+ organizations – including world-renowned innovators like Adobe, JetBlue, FedEx, and Microsoft. With an active peer-to-peer community, we meet customers where they are to help make our technology-driven world a better place. SmartBear is committed to ethical corporate practices and social responsibility, promoting good in all the communities we serve.


Cloud • Software
8 Offices
500 Employees

"This should be easier..." Pricefx was born of a simple yet powerful idea: that building a 100% cloud-native pricing platform would be the key to unlocking exceptional profitability for customers. At the time, cloud SaaS was only emerging as a trend, though we know today that cloud SaaS software is the future of software. Our founders had a unique insight – that the existing approach to pricing software wasn’t working, and the scalability and flexibility promised by cloud computing offered the chance to implement quickly, configure easily, and scale efficiently as growth became real for customers.


Fintech • Payments • Software • Financial Services
4 Offices
900 Employees

We started a movement in which everyone can win – shoppers, retailers, society and every person on our team. To play fair, trust people and reward them for doing the right thing. We see and feel the impact of our work as more and more people gain financial freedom and retailers grow across the globe. Founded seven years ago in Sydney, Australia, Afterpay has millions of active customers globally and is offered at the world’s best retailers around the world including Anthropologie, Revolve, DSW, GOAT, Finish Line, Levi’s, Mac Cosmetics, Ray-Ban and many others. Afterpay is on a mission to power an economy in which everyone wins.


Cloud • Information Technology • Security • Software
6 Offices
597 Employees

Software-driven digital innovation is essential for competing in today's market, and the foundation of this innovation is code. However, there are widespread cracks in this foundation – lines of bad, insecure, and poorly written code – that manifests into tech debt, security incidents, and availability issues. With Sonar, developers and organizations are empowered to create quality, secure code confidently, whether written by humans or generated with AI. The Sonar solution, SonarQube, helps prevent code quality and security issues from reaching production, amplifies developers' productivity in concert with AI assistants, and improves the developer experience with streamlined workflows. Sonar analyzes all code, regardless of who writes it—your internal team or genAI—resulting in more secure, reliable, and maintainable software. At Sonar, we are driven by a deep belief in our people, a commitment to excellence, and an unwavering dedication to delivery. We operate as a united group where our collective success is the sum of each individual's contributions. Our company culture is driven by the values of CODE: Committed, Obsessed, Deliberate & Effective. This mindset reflects our culture of creativity, collaboration, and pride in the work we do. Rooted in the open-source community, Sonar’s solutions support over 30 programming languages, frameworks, and infrastructure technologies. Today, Sonar is used by 7M+ developers and 400K organizations worldwide, including the DoD, Microsoft, NASA, MasterCard, Siemens, and T-Mobile. Sonar is headquartered in Geneva, Switzerland with additional offices in Austin, Texas; Annecy, France; Bochum, Germany, London, England; and Singapore. The company is rapidly growing with over 600 employees! Join us in our mission to solve the trillion-dollar challenge of bad code!


Healthtech • Software
2 Offices
360 Employees

Physician-founded and led, Kyruus Health delivers the industry-defining care access platform that helps organizations connect people with the care that is right for them. Our award-winning technology transforms the way payer and provider organizations create connections across their complex datasets and disparate systems—to vastly improve the patient and provider experience, and ensure healthcare works better for everyone.


Gaming • Information Technology • Mobile • Software
12 Offices
6,500 Employees

Headquartered in New York City, Take-Two Interactive Software, Inc. is a leading developer, publisher, and marketer of interactive entertainment for consumers around the globe. We develop and publish products principally through Rockstar Games, 2K, Private Division, and T2 Mobile Games. Our products are designed for console systems and personal computers, including smartphones and tablets, and are delivered through physical retail, digital download, online platforms, and cloud streaming services.


AdTech • Artificial Intelligence • Marketing Tech • Software • Analytics
13 Offices
2,194 Employees

Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), our vision is to make sophisticated marketing simple by unifying identity, intelligence and omnichannel activation into a single platform – powered by one of the industry’s largest proprietary databases and AI. Our enterprise customers across multiple verticals are empowered to personalize experiences with consumers at an individual level across every channel, delivering better results for marketing programs. Zeta was founded in 2007 by David A. Steinberg and John Sculley and is headquartered in New York City with offices around the world.


eCommerce • Food • HR Tech • Mobile • Retail
7 Offices
400 Employees

Our digital marketplace connects thousands of businesses and more than six million workers, actively working to help bridge the labor demand/supply gap. Instawork helps businesses in food & beverage, hospitality, and warehouse/logistics industries fill temporary and permanent roles in more than 40 U.S. markets. We have been fortunate to be funded by world-class investors in Silicon Valley including: Benchmark (Bill Gurley), Y Combinator, Spark Capital, Google Ventures, Greylock Capital, Four Rivers Group, Craft Ventures, and many more. Leveraging our accelerated growth, we will continue to expand throughout the U.S. and globally in order to revolutionize the labor market. Instawork recently raised $60 million in Series D financing, bringing a total funding to over $160 million. The new funding round allows Instawork to accelerate investment in its AI-powered mobile app and platform that connects over 6 million skilled hourly workers with tens of thousands of businesses. Our values help us craft impactful products and be extraordinary colleagues to each other: Empathy, Trust, and Candor Being empathetic helps build trust in our community and company, and fosters successful decision-making. Always Be Learning We learn eagerly, from different teams within and outside the company. Respectful debate makes our company stronger. Act Like an Owner We have a strong ownership mentality. Every person on the team has the potential to make a huge impact. Bias for Action We practice high-velocity decision-making, despite encountering ambiguity frequently.


Fintech • Machine Learning • Payments • Software • Financial Services
14 Offices
55,000 Employees

At Capital One, we think and work like a tech company, using our digital fluency to transform everything about the customer experience. We’re bending data to our will, and turning a stodgy industry on its head. That’s reflected in our ranking as the number one business technology innovator in the U.S. in the 2016 InformationWeek Elite 100.