Explore Top Remote Companies Hiring Ruby Developers in Japan

GitLab

GitLab is an open core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating the rate of human progress. This mission is integral to our culture, influencing how we hire, build products, and lead our industry. We make this possible at GitLab by running our operations on our product and staying aligned with our values.

Aguadulce

We are a boutique development studio.

Coupa Software, Inc.

If you are passionate about new technologies, have a strong technical background, and are looking for a fun environment where you can continuously expand your knowledge, you are the right fit for this role. At Coupa, the Site Reliability Engineering team is looking for a quality-driven engineer who is ready to constantly challenge his/her mind with a mixture of troubleshooting, code developing, hacking, networking and more.

Koinly

Koinly is a leading crypto tax platform helping millions of users calculate gains, generate reports, and stay on top of their crypto finances. We work with major exchanges and tax platforms globally and sit at the intersection of crypto and tax.

Moneytree

Moneytree is looking to help people & trusted organizations unlock the power of data for good. Our technology is used by major banks, accounting software companies and other fintech companies in Japan, including Mitsubishi UFJ Financial Group, Sumitomo Mitsui Financial Group, Mizuho Financial Group, TKC, Yayoi, and 60 other enterprise clients. Our apps are also used and trusted by millions of individuals. The mission of the Personal Finance Management (PFM) team is to help people make informed financial decisions, feel more secure about their finances, and progress towards a financially healthier life by providing a safe and user-friendly platform.

SearchApi

SearchApi is a real-time SERP API that delivers structured search engine data from Google, Bing, Baidu, YouTube, Amazon, and more. We help developers, startups, and enterprises access reliable search data at scale.We are a bootstrapped, profitable, and fast-growing company, trusted by Fortune 500 companies and Y Combinator startups. Our team is small, highly technical, and remote-first.At SearchApi, we move fast, iterate quickly, and expect ownership and initiative from everyone. Engineers here work on browser automation, web scraping, high-performance APIs, and infrastructure scaling. We believe in solving hard problems with practical engineering—no unnecessary meetings, no corporate bureaucracy.If you enjoy building reliable systems, optimizing performance, and working with real-world web data challenges, you’ll fit right in.

TableCheck

TableCheck is a global platform built to help restaurants own their guest experience. We help merchants reduce their reliance on paid booking channels by directly converting first-time diners into repeat guests⁠, and repeat guests into loyal fans. Used by over 9,000 restaurants in 35 countries, including over 270 Michelin-starred restaurants and top hospitality brands such as Hilton, Hyatt, and IHG, TableCheck has set new standards for restaurant management tools in Japan and is steadily growing to take on the challenge to become the world’s leader in restaurant management.

Workato

Here at Workato, we are a team moved by innovation — a passion to create the best possible way and the drive to continue to make it better. We also believe in the power of our team, knowing that we only succeed if we all succeed together. Our team uses seven operating principles to help us make better decisions, work as a team, and have fun.