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Java Developer Japanese Jobs in California (NOW HIRING)

Rakuten Rewards

QA Automation Engineer

San Mateo, CA · On-site

Job Summary : Rakuten International is a division of Rakuten Group, Inc., a Japanese global ... Build, maintain, and optimize UI, API, and end-to-end automated tests using Python, Java, or ...

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Java Developer Japanese information

What are some unique challenges faced by Java Developers working in Japanese-speaking environments?

Java Developers working in Japanese-speaking environments often encounter challenges such as navigating language barriers during code reviews, documentation, and team meetings. It's common to work with bilingual teams or stakeholders, which may require translating technical concepts between Japanese and English. Additionally, adapting to Japanese work culture—such as emphasis on consensus-building and attention to detail—can influence how projects are managed and how communication flows within the team. However, these challenges also provide opportunities to develop cross-cultural communication skills and gain experience in international software development settings.

What is the difference between Java Developer Japanese vs Java Software Engineer?

AspectJava Developer JapaneseJava Software Engineer
Required CredentialsJava certification, Japanese language proficiencyJava certification, possibly Japanese language skills
Work EnvironmentJapan-based companies, Japanese-speaking teamsGlobal or multinational companies, English or Japanese teams
Employer & Industry UsageTech firms, finance, manufacturing in JapanTech firms, software development, IT services worldwide
Search & Comparison IntentYesYes

The main difference between a Java Developer Japanese and a Java Software Engineer lies in language skills and work location. Java Developer Japanese typically works in Japan with Japanese language requirements, while Java Software Engineer may work globally with English as the primary language. Both roles require Java certifications and involve software development, but their work environments and employer types differ.

What are Java Developer Japanese roles?

A Java Developer Japanese is a software engineer who specializes in building applications using the Java programming language, with the added requirement of fluency in Japanese. These professionals typically work on developing, testing, and maintaining Java-based applications, often for companies that have clients or teams in Japan. Their responsibilities may also include understanding and translating technical documentation, collaborating with Japanese-speaking stakeholders, and ensuring that applications meet both technical and cultural requirements. Strong communication skills in Japanese are essential for bridging language gaps and working effectively in bilingual environments.
What are popular job titles related to Java Developer Japanese jobs in California? For Java Developer Japanese jobs in California, the most frequently searched job titles are:
What job categories do people searching Java Developer Japanese jobs in California look for? The top searched job categories for Java Developer Japanese jobs in California are:
What cities in California are hiring for Java Developer Japanese jobs? Cities in California with the most Java Developer Japanese job openings:
Java Developer Japanese jobs near you
Infographic showing various Java Developer Japanese job openings in California as of July 2026, with employment types broken down into 82% Full Time, 6% Part Time, 1% Temporary, and 11% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.
Silicon Photonics Application Engineer

Silicon Photonics Application Engineer

Advantest

San Jose, CA

Full-time

Posted 10 days ago

Job description

With a long legacy of success, innovation and customer awards, Advantest America, Inc. (AAI) is the North American subsidiary of Advantest Corporation, the world's largest provider of automated test equipment (ATE) to the semiconductor industry. We lead the way in developing new and innovative test and handling solutions for the global electronics industry. Advantest America, Inc. (AAI) has a unique company culture. With its corporate headquarters in Japan and its US subsidiary based in the Silicon Valley, AAI possesses a cross-cultural blend of Japanese and California styles.

This applications engineering position is in our rapidly growing Silicon Photonics team. The ideal candidate has knowledge on an ATE platform and can provide solutions to our customers for electrical and optical test challenges. Experience with electro-optical probe solutions and FAU alignment is a big plus. We look for a candidate who is comfortable in both pre-sales and post-sales assignments to scope and deliver cutting edge solutions to our strategic customers. You will work in a cross functional team with SW and HW R&D, sales and marketing. This is an ideal position for a test engineer with a strong electrical / optical background; it requires ATE as well as SW skills to develop test programs and custom scripts for instrument control.

Responsibilities include:

  • Translate customer requirements into technical solutions; work with Advantest R&D and marketing to identify possible gaps in the roadmap and scope out potential solutions
  • Work with customers to transition electro-optical bench solutions into mass production
  • Ability to understand load board schematics; having knowledge of dual sided probe solutions is a plus
  • Knowledge in test sockets and probe cards / probe technologies
  • Test code development in programming languages like JAVA and scripting languages like Python
  • Accountable for the design, scoping, and technical validity of the solution to achieve the customer's business objectives
  • Close cooperation with other applications engineers in our European and Asian subsidiaries

Travel:

  • Up to 25% domestic or international travel to various customer and Advantest sites

Requirements:

  • BS degree in electrical, optical engineering or physics
  • Product and test engineering experience on an ATE platform or a bench environment
  • Statistical data analysis experience on tools like JMP, Galaxy, excel or others
  • JAVA and Python experience
  • Experience with optical devices

Additional Skills Preferred (but not required):

  • MS degree or higher
  • Knowledge and experience on test program development for Silicon Photonics products
  • Experience with handlers and probers; probe card development
  • Experience with lasers, optical analyzers, power meters, polarizers and circulators

Apply