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Top Ruby Companies (1,126)

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 • Healthtech • Social Impact • Software • Biotech
4 Offices
697 Employees

Biotechnology is rewriting life as we know it, from the medicines we take, to the crops we grow, and the household goods that we rely on every day. But moving at the new speed of science requires better technology. Benchling’s mission is to unlock the power of biotechnology. The world’s most innovative biotech companies use Benchling’s R&D Cloud to power the development of breakthrough products. Help us bring modern software to modern science. We’re on Team Science We believe in the promise of science and the teamwork required to fulfill that promise. Whether your background is in science, engineering, business, or another field, you’re on Team Science if you believe in the power of science to solve the world’s most pressing problems.

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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.


Blockchain • Fintech • Mobile • Payments • Software • Financial Services
14 Offices
3,500 Employees

Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic app, bringing a better way to send, spend, invest, borrow and save to our millions of monthly active users. With a mission to redefine the world's relationship with money by making it more relatable, instantly available and universally accessible.


Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
23 Offices
12,000 Employees

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.


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.


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

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


Artificial Intelligence • Cloud • Information Technology • Machine Learning • Software
8 Offices
1,100 Employees

LogicMonitor® offers hybrid observability powered by AI. The company’s SaaS-based platform, LM Envision, enables observability across on-prem and multi-cloud environments. We provide IT and business teams operational visibility and predictability across their technologies and applications to focus less on troubleshooting and more on delivering extraordinary employee and customer experiences. For more information, visit www.logicmonitor.com.


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.


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.


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.


Consumer Web • eCommerce • Software
3 Offices
1,121 Employees

Headquartered in Boston, Massachusetts, CarGurus is the #1 visited digital auto platform in the U.S. for shopping, buying, and selling new and used vehicles and an award-winning place to work. We give drivers and dealers the confidence to buy or sell cars exactly how they want: online, in-person, or a combination of both. Our culture fosters kindness, collaboration, and innovation, while empowering Gurus with opportunities and resources to fuel their career growth. We aim to give all people—consumers, dealers, and our employees—the power to reach their destination.


Consumer Web • eCommerce • Food • Healthtech • Natural Language Processing • Social Impact
Fully Remote, USA
1,000 Employees

Thrive Market was founded in 2014 with a mission to make healthy and sustainable living easy and affordable for everyone. We're an online grocery store that delivers the highest-quality organic and sustainable products at member-exclusive low prices. What's more, every paid annual membership sponsors a free one-year membership for a family in financial need. Every day, we leverage innovative technology and member-first thinking to help our more than 1.5 million members find healthy products, support brands making an impact, and build a better food future in the process. In 2020, we became a Certified B Corporation, making us the largest grocer in the U.S. to earn this coveted qualification.


Artificial Intelligence • Big Data • Healthtech • Machine Learning • Software • Database • Analytics
37 Offices
1,800 Employees

InterSystems has been the information engine behind the world's most important applications in healthcare, business and government for over 40 years. Our software products provide advanced data management, integration, and analytics technologies used daily by millions of people in 80+ countries.


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.


Fintech • Social Impact • Financial Services
Fully Remote, USA
450 Employees

OppFi is a tech-enabled, mission-driven specialty finance platform that broadens the reach of community banks to extend credit access to everyday Americans. We have been an Inc. 5000 company for six straight years, a Deloitte’s Technology Fast 500™ for four consecutive years, and the seventh fastest-growing company in Chicagoland in 2021 as measured by Crain’s Chicago Business based on a five-year growth rate. We were listed on the Forbes America 2021 list of America’s Best Startup Employers and the Built In’s 2024 Best Places to Work in Chicago. OppFi maintains an A+ rating from the Better Business Bureau (BBB) and maintains a 4.5/5 star rating with more than 21,000 online customer reviews, making it one of the top customer-rated financial platforms online.


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.


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. ⚡️


Information Technology • Security • Software • Cybersecurity • App development • Data Privacy
2 Offices
550 Employees

MacPaw develops and distributes software for macOS and iOS that simplifies the lives of Mac users. Renowned for innovative and precision-engineered products, including CleanMyMac X, Setapp, ClearVPN, and the Unarchiver, and housing the Moonlock cybersecurity division, MacPaw is committed to elevating and securing the user experience within the Mac ecosystem. MacPaw’s focus on software technology, Human-Computer Interaction (HCI), Machine Learning (ML), and more, aims to seamlessly integrate research breakthroughs into practical MacPaw products. Founded in Kyiv, Ukraine, with a subsidiary office in Boston, MacPaw products have more than 30 million users worldwide, with one in every five Mac users having at least one app downloaded. Our values — to create experience, make impact, and stay human — influence MacPaw's creative, authentic, and caring team. They affect everything we do, from our products to the teams we build. We think big by focusing on essential. With us, you can take a lead and deliver the result that will make you proud. We value when people finish what they started and can measure the result. You have a chance to create an experience, not just a product. Macpawians always listen to our customers and respond to make their experience flawless and exciting. Through attention to detail, we make an extra effort to streamline it for our users, partners, and team members. Stay human... in any situation, even when it's tough. We care about each other and always see a person in our users. We build long-term relationships by creating technology for the benefit of humans. Play nice. Be frank and real!


Fintech • Information Technology • Security • Financial Services
Lakewood, Colorado, USA
3,000 Employees

We serve as the technical force behind Colorado’s largest locally owned bank. Our technology department is 400+ strong, with continued plans for growth. We owe our success to the core values we’ve held since being founded in 1963. Our mission is 'banking for good', to do our best to do right by our customers, communities, and employees.