Japanese Language Educator and IT Annotator

Oyama *

Present: *-**-*-*** **************, Itabashi-ward, Tokyo,175-0082, Japan,

Tel: 090-****-**** E-mail: ******.*****@*****.***

Qualifications:

• Educational Experience: Experienced Japanese language educator with over a decade of teaching diverse learners, from beginners to advanced, across academic and business contexts. Skilled at designing practical, engaging lessons that teach students with real-world communication skills and cultural insights for thriving in Japan. Recognized for fostering student confidence and building curricula that emphasize both accuracy and natural fluency. Expanded expertise into educational technology and bridging pedagogy with innovative tools.

• Technical Proficiency: Skilled in Python and Ruby, databases as MySQL, statistical computing applications such as R, and tools with over 10 years of experience. Proficient in data manipulation and analysis using pandas, numpy, and other relevant libraries.

• Project Management: Managed vendor teams for data annotation to ensure the efficiency, accuracy, and quality of linguistic data and systems with cross-functional teams for the successful delivery of complex IT projects.

• Problem-Solving Skills: Demonstrated ability to troubleshoot complex technical issues and provide effective solutions, by using text processing scripts to reduce human evaluation time.

• Certifications: Python 3 Engineer Certified Data Analysis (d4yr-2wb8-s3fh)

(Feb.2024)

• TOEIC online IP test score 905 (Dec. 2020)

Education:

Nara Institute of Science and Technology (NAIST), Japan Ph.D in Computational Linguistics (Information Science) Lancaster University, U.K.

MA in Language Teaching in Applied Linguistics

The Prefectural University of Kumamoto (PUK), Japan MA in Japanese Linguistics and Teaching Japanese as a foreign language PUK, Japan

BA in English Linguistics and Literature

Work Experience :

Nov.2024 -- Present NiCE Japan Co.,Ltd. as Solution Consultant, Analytics

• Understanding and Analyzing Customer Needs: Identify business challenges and requirements to propose the most suitable analytics solutions.

• Analytics Solution Implementation: Design and deploy analytics solutions tailored to customer requirements using Nexidia and other platforms in call centers. Configure Nexidia, an omnichannel system that automatically evaluates customer- agent interactions via phone, chat, and email, to conduct sentiment analysis and investigate root causes based on trends and distinctive changes.

• Data Analysis and Insight Generation: Analyze customer data to provide actionable insights that drive business improvement and strategic decision-making.

• Training and Support: Deliver training and ongoing support to ensure customers can effectively utilize the solutions.

• API-Driven Web Application Development: Developed a cloud-based demo web application using Python and Flask, integrating NiCE-provided APIs including Cxone API and Elevate AI API. The application accessed call and voice data stored in Hiromi Oyama

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Amazon S3, automatically performed speech recognition and sentiment analysis, and visualized insights to support customer proposals. Flask was selected over lighter frameworks such as Streamlit, considering its scalability and flexibility for potential production deployment.

Oct.2023 -- Oct.2024 Aceolution Japan as Language Specialist (Currently employed at Google Japan through Aceolution as a dispatched employee)

• Generative AI Data Quality Analysis: Engaged in the response research on generative AI system, Gemini, with the cross-language teams. Analyzed error responses by Gemini if they are accurate, fact-based, comprehensible or other various parameters compared to those of competitors.

• Corpus curation for NLP system: Worked on curating and creating language datasets to optimize Automatic Speech Recognition (ASR) technology and NLP performance and accuracy for voice-enabled systems such as Google Assistant.

• Quality Assurance for Corpus Data: Conducted quality checks and management to ensure the quality of Japanese corpus data utilized for Google Assistant. This involved rigorous evaluation and validation of the data to maintain high standards of accuracy and reliability in speech recognition and synthesis.

• Bug Fixing for Google Assistant: Diagnosed and resolved bug issues promptly and effectively for the QA system. Contributed to the continuous improvement and refinement of Google Assistant's performance and user experience.

• Cross-lingual Collaboration: Worked closely with cross-lingual teams to address any issues related to linguistic data and implement effective solutions. This collaborative approach facilitated the seamless integration of linguistic data into the ASR and NLP system functionalities.

Feb.2022 -- Sep.2023 Uniphore Technologies Japan as Business Analyst

• Product Configuration: Engaged in configuring company products, ensuring integration of the ASR engine and NLP system to deliver optimal performance.

• Conversation Process Design: Designed and worked on optimizing the conversation process in the clients' actual call. Conducted in-depth analysis of clients’ conversation texts to identify patterns and extract essential summary entities and call content dispositions. This process was crucial to enable us to meet the clients’ specific demands and requirements effectively

• Quality Assurance and Root Cause Analysis: Conducted testing of the products and analyzed performance metrics. Identified root causes and proposed effective resolutions to ensure continuous improvement.

• User Experience Enhancement Solution Development: Participated in meetings and discussions to understand clients' needs and requirements and considered solutions to address specific challenges. Provided valuable insights and recommendations to internal teams regarding product design and user experience. Apr.2021 -- Feb.2022 PeopleCert International Ltd. as Business Development Assistant

• Market Research and Partner Identification: Conducted research on the Japanese market to identify new partners for potential partners who are interested in the certifications in IT, project management, and language proficiency field. This research facilitated targeted outreach efforts and contributed to the expansion of our partner network. Provided an essential support to business development managers and the sales team throughout the sales process.

• New Partner Onboarding: Played a main role in facilitating the onboarding process for new partners, ensuring integration into the company's systems and services. This involved providing guidance and support to partners to maximize their success to use our products within our ecosystem.

• Customer Engagement and Relationship Management: Engaged in meetings and discussions with customers to address current issues and identify opportunities Oyama 3

for future business growth. By maintaining strong relationships with customers, I helped drive customer satisfaction and retention.

Jul.2020 -- Jan.2021 LINE, Japan as linguist

• Corpus Creation for Language Modeling: Engaged in the development and maintenance of language models for the Automatic Speech Recognition (ASR) system in Clova (smart speaker). To improve the robustness and accuracy of ASR models, it is necessary to create corpora that encompass a wide range of language patterns and variations, and to annotate them by adding language tags, morphological analysis, and part-of-speech tags.

• Quality Assurance for Japanese Corpus: Engaged in quality testing and error analysis to ensure the quality of Japanese data used in the system. Verified that the product functions well to maintain high accuracy and reliability in speech recognition and synthesis.

• Cross-Functional Collaboration: Worked closely with cross-functional teams to address any issues related to linguistic data and implement effective solutions. This collaborative approach facilitated the seamless integration of linguistic data into the LINE ASR system functionalities.

Nov.2019 -- Aug.2020 Human Academy, Japan

• Japanese language teaching methodology: Instructed Japanese language teaching methodology courses for prospective Japanese teachers.

• Designed lessons combining theory and practice, focusing on effective pedagogy, classroom management, and learner-centered approaches.

• Mentored students on how to apply linguistic theories to practical teaching contexts. Apr.2013 -- Sep.2019 PUK, Japan

• Japanese language testing course: Taught a Japanese language testing course as a visiting lecturer, preparing students for proficiency assessments.

• Guided students in analyzing test formats, developing strategies for reading, listening, writing, and speaking tasks.

• Provided targeted feedback to improve performance and test-taking confidence.

• Japanese language methodology III and IV courses: Delivered Japanese language methodology III and IV courses, training students aiming to become professional Japanese language teachers.

• Supervised practicum activities, including lesson planning, peer teaching, and classroom observation.

• Encouraged critical reflection on teaching practices and introduced innovative techniques for foreign language instruction.

Mar.2018 -- Mar.2019 Google Japan, Inc. (Temp) as machine intelligence analytical linguistic quality project manager

• Corpus curation for NLP system: Worked on curating and creating language datasets to optimize ASR technology and NLP performance and accuracy for voice- enabled systems such as Google Assistant.

• Query Creation for QA Systems: Engaged in creating Japanese queries for QA systems. Identified language patterns and evaluated system performance and language accuracy.

• Quality Assurance for Corpus Data: Conducted quality checks and management to ensure the quality of Japanese data utilized for Google Assistant. This involved rigorous evaluation and validation of the data to maintain high standards of accuracy and reliability in speech recognition and synthesis.

• Bug Fixing for Google Assistant: Diagnosed and resolved bug issues promptly and effectively for the QA system. Contributed to the continuous improvement and refinement of Google Assistant's performance and user experience.

• Cross-Functional Collaboration: Worked closely with cross-functional teams to Oyama 4

address any issues related to linguistic data and implement effective solutions. This collaborative approach facilitated the seamless integration of linguistic data into the ASR and NLP system functionalities.

Apr. 2016 -- Mar. 2018 Apple Japan, Inc. as linguistic expert

• Data Annotation for Input System: Engaged in annotating the data used for the Japanese input system. Categorized and annotated words, phrases, and linguistic elements to ensure comprehensive coverage and accuracy. This annotation process was crucial in providing Japanese users with intuitive and efficient text input capabilities across Apple's devices.

• Project Management: Ensured the efficiency, accuracy, and quality of linguistic data and systems within cross-functional teams. Created guidelines for data annotation, commissioned the work to an external vendor, and managed the quality of the work. This guideline outlined standardized practices and quality criteria to guide the annotation process effectively. This organized workflow ensured timely preparation of annotated data while maintaining adherence to quality standards.

• Quality Assurance: Performed robust quality assurance checks to verify the accuracy and integrity of the annotated data and conducted regular reviews and audits to identify and correct any discrepancies or inconsistencies, upholding the high standards to expect from Apple products.

Oct. 2013 -- Aug. 2015 Kansai University, Japan

• Japanese language courses: Taught Japanese language courses for international students seeking university admission, from beginner to advanced levels.

• Used Minna no Nihongo and supplementary materials, balancing grammar-based instruction with communicative practice.

• Provided individualized academic counseling to support students’ educational pathways in Japan.

Oct. 2012 -- Mar. 2016 NAIST (Nara Institute of Science and Technology), Japan

• Researcher in Computational Linguistics: Served as a Researcher in Computational Linguistics, focusing on automatic error detection systems in Japanese.

• Collaborated on interdisciplinary projects integrating linguistic theory and NLP technology to enhance language learning tools.

Apr. 2011 -- Sep. 2012 Kyushu Gaikokugo Gakuin, Japan

• Japanese language courses: Taught Japanese to international students preparing for Japanese university and graduate school entry.

• Offered academic advising, including support for research proposal writing and application preparation.

• Developed personalized study plans to strengthen students’ linguistic and academic readiness.

May 2007 – Mar. 2016 The Overseas Human Resources and Industry Development Association

(HIDA), Japan

• Japanese language courses: Taught intensive Japanese language programs for overseas professionals preparing to work in Japanese companies.

• Conducted classes from beginner to advanced levels using Shin Nihongo no Kiso I

& II.

• Focused on practical communication skills relevant to workplace contexts. Oct. 2002 – Mar. 2006 Ritsumeikan Asia Pacific University (APU), Japan

• Japanese language courses: Taught Japanese across all levels (beginner to advanced) in a multicultural environment.

• Integrated WebCT e-learning tools to teach grammar, kanji, and facilitate online quizzes.

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• Organized debates, discussions, and report-writing workshops to foster critical thinking and real-world language use.

• Developed original teaching materials promoting autonomous learning in a diverse student body.

Sep. 2001 -- Aug. 2002 Ecole de Management Bretagne Atlantique (EMBA, now ISUGA), France

• Japanese language courses: Taught Japanese language courses from beginner to advanced levels.

• Structured classes with a focus on writing systems (hiragana, katakana, kanji) and practical communication skills.

• Adapted lessons to meet the needs of European learners with varied linguistic backgrounds.

Jun. 1998 -- Sep. 2002 Kumamoto YMCA International, Japan

• Japanese language courses: Taught Japanese to overseas trainees at beginner through advanced levels.

• Conducted summer intensive courses, including preparation for the Japanese Language Proficiency Test (JLPT) levels 2 and 3.

• Emphasized practical communication skills for students aiming to integrate into Japanese workplaces and communities.

Sep. 1998 -- May 1999 Montana State University-Billings, U.S. (Graduate Assistant)

• Japanese language courses: Designed and delivered Japanese 101 and 102 courses, including syllabus creation, testing, and grading.

• Taught foundational skills (writing system, grammar, conversational Japanese).

• Balanced structured grammar instruction with interactive activities to enhance communication skills.

Experience and skills:

Development Environments: Windows, MacOS, Unix

Programming language: Ruby, Python, Shell script

Database: PostgresSQL, SQLite

Statistical computing application: R

Tools: Sklearn, Pandas, Numpy, Regex

Data manipulation using Excel functions

Creation of presentation materials using Powerpoint

Developed Web application to search for Kumamoto dialect sentences

Developed a cloud-based Web application using Flask and Python, integrating APIs.

Organized "Study support project for language learners of Japanese for ubiquitous computing society". Participated in Nara Institute of Science and Technology (NAIST) Creative and International Competitiveness Project (CICP2008)(2008.11-2009.3) Language:

Japanese -- Native

English -- Fluent

French -- Beginner

Credentials:

Passed the Japanese Language Teaching Competency Test authorized by the Japanese Ministry of Education

TOEIC online IP test score 905 (Dec. 2020)

Grade Pre-1st in Test in Practical English Proficiency (STEP)

Passed Python 3 Engineer Certified Data Analysis Exam (d4yr-2wb8-s3fh) (Feb.2024)

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