Top 30 Java Development Companies in Japan
The Best of December 2025Looking for a top Java developer in Japan?
Getting started with the Java programming language can be difficult, especially when you go at it alone.
To assist you in your search for a partner, we’ve compiled this list of the top Java development companies in Japan. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Japan Java Developers
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1$10,000+10 - 49 employeesShimizu, JapanRead More
MaeBe co., Ltd is an app development company. They are located in Shimizu, Japan and Numazu, Japan and have a small team. Their services include mobile app development, web development, enterprise app modernization, e-commerce development, and more.
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2$1,000+50 - 249 employeesMinato City, JapanIT managed services company Fusion Systems Japan is headquartered in Minato City, Japan. They focus on IT managed services, IT strategy consulting, Custom Software Development, and other IT consulting and SI and were launched in 1989.Read More
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3Undisclosed10 - 49 employeesChuo City, JapanLocated in Chuo City, Japan, SBWorks is an ERP consulting and SI company. They provide ERP consulting and SI, IT staff augmentation, Web Development, Artificial Intelligence, and more and were launched in 2016.Read More
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4$10,000+50 - 249 employeesYokohama, JapanHikesiya USA Inc. Is a midsize custom software development company launched in 2001. Their services include Custom Software Development and ERP consulting and SI.Read More
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5$5,000+1,000 - 9,999 employeesMinato City, JapanRead More
Since being founded in 2012, Rikkeisoft has provided global outsourcing and development services to clients from its headquarters in Hanoi, Vietnam. Their team of about 1200 employees focuses on custom software development, web development, and mobile app development.
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Panasonic USMH KDDIIndustries
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6$5,000+50 - 249 employeesTaito City, JapanLIG inc. Is a website development company established in 2007. Their services include Web Development and Mobile App Development.Read More
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7$5,000+2 - 9 employeesHachioji, JapanInteractor Ltd. Is a software development company. Launched in 2020, the company is based in Hachioji, Japan. Their services include Custom Software Development and Web Development.Read More
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8$1,000+10 - 49 employeesIchikawa, JapanLaunch Lab is an Ichikawa, Japan-based branding agency. Their services include Branding and Content Marketing.Read More
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9$5,000+50 - 249 employeesFukuoka, JapanRead More
Vauldex is a website development firm. Their midsize team is based in Fukuoka, Japan and Cebu City, Philippines. The firm offers Web Development, Mobile App Development, Blockchain, Enterprise App Modernization, and more.
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10$100,000+Freelancer employeesKoto City, JapanFounded in 1977, PERSOL PROCESS & TECHNOLOGY is a custom software development firm. The large team offers Custom Software Development and cloud consulting & SI.Read More
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11$5,000+50 - 249 employeesChiyoda City, JapanDipro Tech is a midsize Da Nang , Vietnam-based custom software development firm. They focus on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were launched in 2021.Read More
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SEASTAR PENTA OCEAN STEP TRAVEL DIORIndustries
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12$10,000+250 - 999 employeesDhaka, BangladeshRead More
BJIT Group is a software development agency headquartered in Dhaka, Bangladesh with additional locations in Tokyo; Palo Alto, Calif.; Espoo, Finland; Downtown Core, Singapore; and Skane lan, Sweden. Since 2001, their global team of 400+ employees has provided mobile app, web, and custom software development to businesses of all sizes.
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SonyIndustries
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13$5,000+1,000 - 9,999 employeesShinjuku City, JapanHeadquartered in Ha Noi, Vietnam and Shinjuku City, Japan, VTI is an application development company. They focus on Mobile App Development and IoT development and were launched in 2017.Read More
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14$5,000+1,000 - 9,999 employeesYokohama, JapanFounded in 2017, CMC Global is an IT staff augmentation company. The firm offers IT staff augmentation and Custom Software Development, and is large.Read More
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Samsung SDSIndustries
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15$25,000+250 - 999 employeesFukuoka, JapanIT staff augmentation company TECHVIFY was founded in 2018. The midsize team specializes in IT staff augmentation, Custom Software Development, IoT development, Artificial Intelligence, and more. The company is headquartered in Hanoi, Vietnam; Fukuoka, Japan; Danang, Vietnam and Ho Chi Minh, Vietnam.Read More
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16$1,000+250 - 999 employeesHanoi, VietnamDEHA Vietnam is a Staffing company launched in 2016. Their midsize team is located in Hanoi, Vietnam; Singapore; Chuo City, Japan and Ho Chi Minh City, Vietnam. The agency provides Staffing, Mobile App Development, Web Development, Custom Software Development, and more.Read More
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17$10,000+50 - 249 employeesSendai, JapanLanex Australia is a midsize software development firm headquartered in Brisbane City, Australia and Cebu City, Philippines. The team offers Custom Software Development and Web Development.Read More
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18$5,000+50 - 249 employeesMinato City, JapanIn Jung-gu, South Korea and Minato City, Japan, Asiance is a midsize custom software development firm. Their services include Custom Software Development and Digital Strategy.Read More
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19$5,000+250 - 999 employeesKoto City, JapanRead More
AMELA Technology, a web development company, was established in 2019. The midsize team focuses on Web Development, Mobile App Development, IT staff augmentation, Artificial Intelligence, and more. The company is in Hanoi, Vietnam and Koto City, Japan.
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SkystreeIndustries
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20$5,000+250 - 999 employeesKawasaki, JapanLuvina Software JSC is a cloud consulting & SI company headquartered in Hanoi, Cau Giay, Vietnam and Danang, Vietnam. They focus on cloud consulting & SI and CRM consulting and SI.Read More
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SIIndustries
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21$25,000+1,000 - 9,999 employeesYokohama, JapanNTQ SOLUTION, a custom software development company, was launched in 2011. The company provides Custom Software Development and IT staff augmentation, and is large.Read More
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22Undisclosed50 - 249 employeesShibuya City, JapanBlueOC is a website development firm. Their midsize team of employees is located in Hanoi, Vietnam and Shibuya City, Japan. Their team focuses on Web Development and Mobile App Development.Read More
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23$10,000+250 - 999 employeesSeoul, South KoreaIn Hanoi, Vietnam; Mountain View, California; North Sydney, Australia and Seoul, South Korea, Savvycom Software is a midsize software development company. Established in 2009, the team focuses on Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more.Read More
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North America & Europe: TaylorMadeIndustries
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24$50,000+250 - 999 employeesYokohama, JapanRead More
InApp was founded in 2000 and currently has 300+ employees. Headquartered in Trivandrum, India, their services include web development, custom software development, and mobile app development. They also have another location in Palo Alto, Calif.
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25$25,000+250 - 999 employeesMinato City, JapanRobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
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Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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26$25,000+1,000 - 9,999 employeesKawasaki, JapanTatvaSoft is a custom software development company headquartered in Ahmedabad, India; Murphy, Texas; Melbourne, Australia and London, England. Established in 2001, the large team focuses on Custom Software Development, Web Development, Mobile App Development, cloud consulting & SI, and more.Read More
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Anglo AmericanIndustries
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27Undisclosed250 - 999 employeesKøbenhavn, DenmarkCustom software development firm Star is located in Sunnyvale, California and San Francisco, California. Their services include Custom Software Development and Mobile App Development.Read More
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