Ade (Yusuf) R.

AI Trainer – Coding Expertise & Japanese/Multilingual

Chiba, Japan

Experience

Dec 2024 - Present
11 months

AI Trainer – Coding Expertise & Japanese/Multilingual

Outlier

  • Designed high-quality coding prompts and model responses that consistently outperformed state-of-the-art outputs from leading large language models.
  • Conducted expert evaluations of coding prompts and responses in Japanese and English, focusing on Java, Python, C++, and JavaScript, ensuring technical accuracy.
  • Reviewed team submissions, providing constructive feedback to maintain technical correctness, linguistic quality, and alignment with prompt objectives.
  • Assessed voice chatbot interactions across Japanese monolingual, English–Japanese bilingual, and Japanese–Korean multilingual scenarios, enhancing overall user experience.
  • Delivered rubric-aligned evaluations with strong emphasis on consistency, linguistic fluency, and task-specific relevance.
  • Revised AI-generated Japanese outputs for fluency, clarity, and naturalness, meeting native-speaker expectations.
Apr 2019 - Present
6 years 7 months
Chiba, Japan

Developer at Forecast Center

Weathernews Inc.

  • Maintained Weathernews’ No.1 forecast accuracy in Japan (Tokyo Shoko Research, 3 consecutive years) by developing an internal monitoring tool to visualize hit rates and detect forecast accuracy declines early.
  • Developed global forecast generation systems using an AWS technology stack (including S3, Lambda, EC2, CodePipeline) and scalable data pipelines, processing millions of meteorological data points daily.
  • Built and optimized data workflows using Python for forecast data generation, accuracy calculations, and Lambda integration, ensuring real-time updates for forecasts and reporting.
  • Automated and enhanced operational workflows by developing a real-time system to generate forecast accuracy reports for ~80–90 tropical cyclones per year and other meteorological events, reducing manual workload by up to 60% and improving reporting efficiency.
  • Developed front-end dashboards with HTML, CSS, JavaScript, implemented high-speed data processing in C++, and maintained legacy pipelines using Perl, demonstrating adaptability across multiple technology stacks.
  • Facilitated multilingual reporting and coordination with international teams in Japanese and English, ensuring technical specifications and operational plans were clearly communicated.
May 2017 - Aug 2017
4 months
Bandung, Indonesia

Software Engineering Intern

PT. Dwi Cermati Indonesia

  • Developed continuous integration (CI) scripts for microservices using Shippable, improving deployment reliability.
  • Boosted workflow efficiency by ~30% by creating an auto-deployer for the staging server using Ansible and Amazon SQS.
  • Built unit and functional testing frameworks with Mocha, Chai, and Sinon JS, increasing test coverage and reducing bugs.
  • Designed end-to-end testing processes using Nightwatch JS and Selenium, ensuring product quality across multiple platforms.
  • Contributed to the development of a core health insurance product, collaborating with a cross-functional team to deliver key features on time.

Summary

Experienced in full-stack software development and AI model training, I specialize in bridging the gap between language and technology to deliver innovative, high-impact projects.

Languages

Indonesian
Native
English
Advanced
Japanese
Advanced
Chinese
Advanced
Korean
Intermediate

Education

Oct 2014 - Jun 2018

Bandung Institute of Technology

Bachelor of Engineering · Informatics · Bandung, Indonesia · 3.92/4.00

Certifications & licenses

Fundamental Information Technology Engineer Examination

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