In-house Development Companies in Japan

TECH CREW K.K. is a technology company specialising in HR and labour-management solutions for stores and non‐regular (pa... See more

Pioneer, whose origins lie in “sound,” has delivered many world-first and industry-first products and services, bringing... See more

Timee is an on-demand job platform that allows people to work freely, without restrictions on time or place. Their platf... See more

KATIX believes that “Even valuable items can be safely sold online”. See more

Spacecurve is a Tokyo-based product development and venture capital company. See more

Two Sigma provides financial services backed by scientific expertise. See more

foriio is an online portfolio builder for all creators. See more

THECOO is leveraging cutting-edge technology to build Fanicon, an innovative and interactive fan community platform. See more

NearMe’s mission is to resolve 'Mottainai' - the concept of waste in our society - and create a vibrant, sustainable fut... See more

Rokken is a software development company that provides customized solutions to meet its clients' needs. See more

Accredify is pioneering the world's transition to verifiable data. See more

Fujitsu Launchpad is a Tokyo-based venture studio subsidiary of Fujitsu Limited. As a corporate venture studio, we act a... See more

Conocer is a thriving Tokyo-based startup dedicated to providing educational support for junior high and elementary scho... See more

Soundraw is an AI music generator for creators. See more

Carnot is a software startup that leverages the power of large language models (LLMs) to dramatically increase human pro... See more

CTW is a fast-growing Japanese company, running the html5 based platform “G123”. See more

Meltin is a venture company developing proprietary bio-signal processing algorithms and biologically inspired robotics a... See more

Authlete provides a backend for implementing authorization and identity solutions based on OAuth 2, OpenID Connect, Fina... See more

dotData is a Silicon Valley-based startup focused on full-cycle Machine Learning and Data Science automation. See more

Cybereason provides unparalleled cyber-defense solutions. They use machine learning and AI to detect and analyze threat... See more

UPSIDER provides unprecedented “new financial services” support to newly emerging services and technologies globally. See more

Commmune helps companies reach their users through the power of community. Their SaaS platform enables companies to opt... See more

Note: LeapMind has been dissolved as of July 31, 2024 and the company is no longer active.

LeapMind ... See more

LogicVein is a privately held and steadily profitable company. They're focused on the network management domain and resp... See more

Locus Blue is a fast-growing start-up that focuses on the online 3D data analytics platform “ScanX” and Deep Learning-Ba... See more

FoodTech Capital, founded in 2021, aims to promote digital transformation and revitalize Japan’s food industry using tec... See more

Porters develops and operates a human resources SaaS product for businesses. They boast one of the largest market share... See more

Smarter, Safer, Connected driving in any vehicle. See more

The Internet became available to everyone in the late 1990s and it has changed our lives drastically. See more

At Omise, we believe that online payment is a necessity to develop a successful business on the internet. We provide our... See more

Zig-zag runs “WorldShopping”, a service that enables Japanese E-Commerce sites to sell their products internationally. ... See more

Bitcoin.com's mission is to create more 'economic freedom' in the world. By economic freedom we mean the ability for ind... See more

Moon Creative Lab is a human-centered venture studio that powers the creation of new businesses. Moon’s mission is to he... See more

Socious is a community app for social change with a mission to accelerate social change by bringing people together. See more

We operate businesses that brighten the lives of people and society in order to realize our vision, BE THE SUN. See more

Since its foundation in 1992, GLOBIS has fostered management ecosystems of people, capital, and knowledge. Today, the co... See more

Future Standard are the developers of SCORER, an IoT platform that delivers easily accessible tools and services to enab... See more

Founded in 2014, Liquid is one of the world's largest cryptocurrency-fiat exchange platforms serving millions of custome... See more

Babel uses the latest AI automation technology to build entertaining apps and services. See more

WealthPark is a start-up that helps investors and real estate companies manage their assets. It's a global company with... See more

Largest C2C marketplace in Japan and Japan's first tech unicorn, Mercari is aiming to become a truly global tech company... See more

Nature is an IoT start-up fostering sustainable coexistence between nature and technology with a vision to accelerate t... See more

We provide a website localization service ”WOVN” to the users who want to provide their services in multiple languages. ... See more

Zehitomo runs a matching platform for freelancers and local businesses across Japan. They connect people looking for ... See more

tripla is a Japanese start-up that's building services using chatbots. They provide a next-generation booking engine for... See more

Arent is a DX consulting and system development company. They collaborate with major Japanese corporations to create ne... See more

pafin (formerly Cryptact) is a Fintech start-up whose platform enables you to manage all of your investments in one plac... See more

ListenField is a Precision AgTech startup that runs the largest digital farming community in the world. They aim to pro... See more

LINE Fukuoka's mission is to continue taking on new challenges and create new values (WOW) for the world. See more

Cooori creates an artificial intelligence-driven educational platform that focuses on efficiency. Our first product usin... See more

Aquila Systems is on a mission to make life easier for Japan's doctors. By applying AI technology, CEO George Radescu b... See more

Goodpatch was founded in 2011 with a simple mission: demonstrate the power of design. With a focus on UI design, they’... See more

We are a young, growing, international company with around 100 colleagues who work across Japan, the Netherlands, Belgi... See more

Cocone was founded in 2008 with a focus on Smartphone app development and educational services. Nowadays they focus mos... See more

The company behind the "world's #1 job site" and one of the absolute best options for software developers in Japan. The... See more

Houzz runs a social network for people looking to remodel their homes, and they've apparently started searching for soft... See more

Applied Intuition is a start-up from the US that's building software for self-driving cars. It's backed by some of the ... See more

Findy matches engineers and organizations with the vision of "increasing technology-driven business growth". They also ... See more

This online payments company has had a few people in Japan for a while, but recently established a proper office in Toky... See more

Wantedly pioneered "social recruiting" in Japan with their unique matching platform where anyone can request a meeting w... See more

Tellus is a growing health-tech start-up focused on improving eldercare through technology. Their international team is... See more

Doublejump.tokyo is a small gaming company that hopes to "re-invent the future of gaming with blockchain technology". ... See more

teamLab is the "art collective" behind many wildly popular art experiences around Japan. They hire lots of artists, pro... See more

VELDT is a global start-up that produces a wide array of digital products and services, from wearable IoT products to da... See more

Buildkite doesn't have a physical presence in Japan, but they do hire developers remotely and they're open to doing so f... See more

Nexus Frontier Tech leverages the latest artificial intelligence and data technologies to help businesses be data-ready ... See more

Discover the digital revolution in Japan’s real estate world lead by Xincere. They run a service that helps users find ... See more

A company that needs no introduction. They have a major office in Tokyo, where they maintain an environment with a mixt... See more

Ascent Robotics is an AI startup company that develops intelligent solutions for industrial robotics and autonomous vehi... See more

Voyagin is a Tokyo-based tour and activity online booking platform to help travelers discover and book the best travel e... See more

Speee is a Japanese web marketing company that solves social issues through a chain of business development. See more

Incubit is an enterprise solutions company that provides integrated technology consulting, services, products, and outso... See more

Repro is a Tokyo-based end-to-end customer engagement platform that enables businesses to take a personalized and tailor... See more

Crowd Cast is a Tokyo-based fintech company that provides payment management solutions to simplify the payment process b... See more

Folio is a Tokyo-based financial Instruments Business Operator. See more

Instagram is a US-based social networking service that offers free photo and video sharing features. See more

MaaS Global is a Finnish software company that provides its users with all types of city transport services in a single ... See more

Yappli is a Tokyo-based B2B SaaS software company that provides a platform to build, manage, and analyze enterprise-grad... See more

WealthNavi is a Tokyo-based world-class wealth management platform for asset managers which uses risk management algorit... See more

Holo Lab is a Tokyo-based system and application planning and development company. See more

Mirrativ is a Japanese startup that develops technology allowing users to stream their smartphone screen over the Intern... See more

PlayNext Lab is an IT venture company that provides software development services in mobile game development and web ser... See more

Microsoft has a huge office in Tokyo that houses both foreign and Japanese developers working on various projects for th... See more

One of the best companies in Japan for machine learning and research. They have some pretty sweet benefits like 20% tim... See more

Apple Japan doesn't have a huge number of actual software engineering positions, but we have heard about a few lately so... See more

Quipper is developing an e-learning platform in Japan and a few other countries. They have an international engineering... See more

Bespoke is a start-up with a mostly international development team that's building a chat bot to help foreign tourists a... See more

Circle CI is a cloud-based continuous integration tool that's popular for developers in Japan. They're building up thei... See more

Niantic is one of the world's leading augmented reality (AR) companies. They're best known for developing the games "Po... See more

Bloomberg is a very popular news and finance service from the US. We've heard lots of positive things from people who w... See more

It's the parent company of fashion brand "Uniqlo". They have an international team with many foreign software developer... See more

ByteDance is the company behind TikTok. Word has it they're ramping up their hiring in Japan as of late as the populari... See more

Standard Cognition is an AI start-up that's attempting to streamline the process of shopping in physical stores. Their ... See more

MedMain is an international start-up based in Fukuoka that's working on technology to improve processes around medical i... See more

Souco has been called the "AirBnB of warehouses"; it's a small startup that's trying to revolutionize how warehouse spac... See more

Netflix has had an office in Tokyo for a while, but we've only recently seen them start hiring for positions outside sal... See more

Medidata is a tech company that's building a SaaS-based system to improve clinical trials. They've got some really skil... See more

Gengo provides web-based translation services. They work in English and most of their engineers and designers are forei... See more

Nvidia is a bit more hardware-focused than many of the companies we showcase, but we've heard nothing but positive thing... See more

SmartDrive is a startup developing a data platform for self-driving cars. They have some pretty skilled AI and machine ... See more

DeNA is a massive gaming company that has contributed a lot to Japan's software engineering industry. They hire plenty ... See more

Pivotal is a company with both a consultancy and some of their own services. They're huge fans of pair programming and ... See more

M3 is a highly profitable company few people know about because their services are targeted solely at medical doctors. ... See more

Japan's largest recruiting company. They own Indeed and Glassdoor. They also typically require Japanese, but they have... See more

Kaizen Platform started out with an A/B testing platform, but has since begun focusing more on ad optimization. They've... See more

For those interested in finance, Goldman Sachs has a major presence In Tokyo. It's not a tech company exactly, but they... See more

Fastly runs an extremely popular CDN and some other online tools. They don't have a major presence in Japan, but they d... See more

QuantumBlack is an AI company that provides data analytics to other companies. Their team is highly international and t... See more

Emotion Intelligence uses technology to understand human emotions for applications in e-commerce. It's a small start-up... See more

Morgan Stanley is a US-based investment banking firm with an office in Tokyo where they employ quite a few software deve... See more

The company behind projects like Elasticsearch, they don't have a huge team in Japan but they do have a handful of engin... See more

Game Closure is a gaming start-up that's building a web platform for other gaming companies to use in their development.... See more

They provide "ERP" services. We're not 100% sure what that means, but we do know that this company pays pretty well and... See more

Gitlab is a 100% remote-only company that's been known to hire developers living in Japan. They're building a platform ... See more

Enthought is an AI start-up aimed at improving data science processes through technologies. It's originally from the US... See more

Mixi created Japan's first big social network, and though it's pretty much dead now they've done a pretty good job of pi... See more

FiNC is a startup with various services relating to health and fitness. They use ruby and don't require Japanese skills... See more

CyberAgent is a large tech company with various offerings, many of which focus on advertising. They have some foreign d... See more

Spotify is one of the world's most popular music streaming services. Their presence in Japan is pretty small, but they'... See more

Barclays is one of the largest investment banks in the world, originally from the UK. They have a major office in Tokyo... See more

Pixta helps artists, designers and others collaborate using digital media on the internet. They have an international e... See more

This startup runs one of the most popular HR management services in Japan. They've been growing extremely fast. Japane... See more

Orb is a small Tokyo-based start-up that uses blockchain technology to revolutionize payments using smart contracts. Th... See more

Shopify is a platform for people to run online stores. They don't have a physical presence in Japan, but they occasiona... See more

FreakOut is a Japanese advertising firm that is apparently pretty successful. They have a few foreigners working in the... See more

GREE is a former mobile gaming juggernaut that is now trying to branch out into some other industries. They require ~N2... See more

Pixiv runs an online art community similar aimed at the Japanese market. The company's been around a while and they've ... See more

Cinnamon is an AI company that's trying to automate the extraction of data from unstructured documents. Their team is m... See more

This company is trying to take the pain out of employee invoices to their companies. The product is focused on the Japa... See more

Rainforest QA offers QA services for companies. Their headquarters is in San Francisco, but they've been known to hire ... See more

Ustwo Studio is a digital design studio. They have a small office in Tokyo where they occasionally hire designers and e... See more

Metaps is an advertising company that's been known to hire foreigners to work on their services in Tokyo. They require ... See more

Bizreach runs one of the most popular recruiting platforms in Japan. Their company culture might be a little more Japan... See more

Abeja is a startup that uses AI and IOT devices to analyze physical spaces like stores and glean new data. The engineer... See more

This company runs one of the most popular mobile payment apps in Japan. It also has some pretty good opportunities for ... See more

This company's mission is to revitalize the printing industry through technology. They've assembled some top engineerin... See more

SoftBank provides fixed-line, mobile telephony, internet, telecommunications, and digital television products. It is a m... See more