Tokyo, Japan HoneStyle Co. ¥5,000,000 - ¥8,000,000 per year

Job Description: Reinforcement Learning Engineer


Company Overview


Ridge-i Inc., established on July 29, 2016, is a Tokyo-based technology innovation firm specializing in artificial intelligence (AI) and deep learning solutions. We provide consulting and development services aimed at addressing societal and client challenges through advanced technologies. Our core services include AI consulting and development, AI license provision, and satellite data AI analysis, all geared towards leveraging technology to create new societal value.

Job Responsibilities

  • Design, implement, and optimize reinforcement learning algorithms for various applications, particularly focusing on enhancing AI solutions.
  • Collaborate with cross-functional teams to integrate reinforcement learning methodologies into existing AI systems and applications.
  • Conduct experiments and analysis to evaluate the performance of developed algorithms against established benchmarks.
  • Participate in code reviews and provide constructive feedback to maintain the quality and efficiency of codebases.
  • Stay updated with the latest research and advancements in reinforcement learning and AI technologies to continually innovate and improve processes.
  • Document research findings, algorithm implementations, and system specifications to facilitate knowledge sharing within the team.
  • Assist in troubleshooting issues related to reinforcement learning models and systems to enhance performance and reliability.

Essential Qualifications

  • Bachelor's degree in Computer Science, Artificial Intelligence, Mathematics, or a related field (Master's or PhD preferred).
  • Strong theoretical knowledge and practical experience in reinforcement learning and machine learning.
  • Proficiency in programming languages such as Python, Java, or C++.
  • Familiarity with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch, OpenAI Gym).
  • Solid understanding of algorithms and data structures.
  • Excellent problem-solving skills and analytical thinking.
  • Strong business Japanese language communication skills (N1 level)

Desired Experience

  • Experience in developing and deploying reinforcement learning models in real-world applications.
  • Knowledge of deep learning techniques and their application in reinforcement learning.
  • Hands-on experience with data analysis and visualization tools.
  • Previous work experience in a tech-driven environment, particularly in a startup or innovative company, is a plus.
  • Ability to work collaboratively in a team-oriented environment as well as independently.

Salary & Benefits


Salary will be offered on an annual basis, in Yen (¥). Specific compensation will be commensurate with experience and qualifications. Alongside competitive salary packages.

Estimated annual salary : JPY5,000,000 - JPY8,000,000 (Based on experiences and skills)

Ridge-i Inc. provides a range of benefits including:

  • Health and dental insurance coverage.
  • Paid leave and vacation days.
  • Opportunities for continuous learning and professional development.
  • Flexible working hours and remote work options.
  • A dynamic and innovative work environment with a focus on technology and societal impact.


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