AI / Machine Learning Engineer at Altera Recruiting | JP | Rezi

AI / Machine Learning Engineer at Altera Recruiting

AI / Machine Learning Engineer

Altera Recruiting · JP

3 weeks ago

AI / Machine Learning Engineer

Altera Recruiting · JP

22 days ago
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About the Role

An AI/ML engineer is sought to build production-grade agentic systems and high-impact recommendation algorithms. The role involves rebuilding and scaling conversational systems into autonomous AI agents and optimizing core machine learning engines within a modern GCP cloud stack.

Responsibilities

  • Train, fine-tune, and optimize both LLM and traditional ML/DL models, deploying them to production and owning their reliability, uptime, and performance metrics.
  • Build and evolve autonomous AI agents that handle multi-step actions and complex guest inquiries, alongside core recommender systems.
  • Rigorously evaluate AI systems to ensure accurate, reliable end-user outcomes and transparent reporting of capabilities and edge cases.
  • Build robust data pipelines in BigQuery using dbt to support data modeling and model training workflows.
  • Analyze model inference results and customer data patterns to design and run tests measuring algorithm improvements.
  • Partner closely with backend engineering teams to co-develop microservices and align with product managers on technical strategy.

Requirements

  • 4+ years of combined experience as a Full Stack Data Scientist, Machine Learning Engineer, or AI Engineer.
  • Strong foundation in statistics and machine learning, with proven experience building LLM solutions (e.g., LangChain, Google ADK).
  • High proficiency in Python adhering to software engineering best practices for production deployments.
  • Solid experience with SQL, schema design, and orchestration tools such as dbt, Airflow, or Prefect.
  • Professional fluency in English.
  • Experience designing and evaluating agentic architectures (tool/function calling, guardrails, multi-step workflows).
  • Hands-on work with vector embeddings and RAG pipelines.
  • Familiarity with LLM observability and evaluation tools (LangSmith, Langfuse, Braintrust, or custom harnesses).
  • Japanese language capability.

Skills

  • Python
  • SQL
  • dbt
  • Airflow
  • Prefect
  • LangChain
  • Google ADK
  • LLM
  • Machine Learning
  • Deep Learning
  • Data Pipelines
  • Vector Embeddings
  • RAG Pipelines
  • LangSmith
  • Langfuse
  • Braintrust

Location

  • Tokyo, Japan

Work Type

  • Hybrid
  • Full-Time

Experience Level

  • 4+ years

Benefits

  • Full Japanese social insurance (health, pension, employment, workers' comp)
  • Commuting allowance
  • 10 paid leave days granted upon joining
  • Standard weekends/holidays
  • Year-end/New Year vacations (Dec 29 – Jan 3)

About the Company

  • A fast-growing global travel technology company.