Senior Backend Engineer, Automated Reasoning

Noeon Research Minato-ku, Tokyo June 10 2026
  • 💴 ¥14M ~ ¥17M annually
  • 🏡
    Partially remote
  • 🌏
    Apply from abroad
    Relocate to Japan
  • 💬
    No Japanese required
    Business English
  • 🧪
    Senior level
    5+ years experience required
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About Noeon Research

Noeon Research Minato-ku, Tokyo

Noeon Research is an ambitious deep-tech startup working on a novel natively agentic graph-neuro-symbolic system with general capabilities. We are an international 30-people team with headquarters in Tokyo, Japan.

Key benefits

  • Competitive salary
  • Flexible schedule
  • High autonomy

About the position

We are looking for an aspiring professional to join our RnD team.

Responsibilities

  • Make contributions to critical components in the development of a distributed reasoning system.
  • Take ownership over specific Engineering artifacts such as services or libraries.
  • Help create a system that truly understands programming languages.

Requirements

Experience

  • At least 5 years of experience in Software Engineering.
  • Hands-on experience in distributed systems, AI, AAA game development, or scalable web technology.

Technical Skills

  • Proficiency in Rust (required), as well as C++/C, Python, a bit of TypeScript
  • Experience in building backends.
  • Experience with concurrency and threading.

Educational Background

Degrees in Software Engineering, Computer Science, Mathematics, or a related technical discipline.

Soft Skills

  • Proactive mindset to stay updated with the latest advancements in AI.
  • Fluent in conversational and written business English (C1+).
  • Ability to work collaboratively in cross-functional teams.

Personal Qualities

  • Individual responsibility. You respect key deadlines and pass on the results of your work to your teammates in an appropriate condition.
  • Lifelong learning. You recognize areas for growth and proactively learn new skills for your current and prospective areas of responsibility.
  • Vision & planning. You can plan your work several weeks ahead and can juggle multiple projects at once. You know when to postpone a task.
  • Thoroughness. You cover every important aspect of your task leaving out no crucial detail.
  • Proactiveness and initiative. You offer help if you have spare capacity. You take initiative and pitch your own projects to others.
  • Critical thinking. You question every judgement, claim or number and can engage in a healthy debate with your teammates.
  • Dynamic, out-of-the-box mindset. You can challenge existing ways, abandon well-trodden paths and embrace the new.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Work experience in startups.
  • Knowledge of a modern web UI framework.
  • Experience with containerization frameworks such as Docker.
  • Experience with graph data structures and algorithms.
  • Experience working using Agile framework.

Compensation

¥14,000,000 ~ ¥17,000,000 annually.

Hiring Process

  1. 1

    Initial Screening Interview (45 minutes)

    With either CHRO or Talent Specialist.

  2. 2

    Test Assignment

    This mandatory assignment takes up to 4 hours to complete, within 7 days from the start, and is unpaid.

  3. 3

    Technical Interview with our Tech Lead (1 hour)

    To discuss the test assignment, and check Hard Skills proficiency.

  4. 4

    Final interview with our Chief System Architect (1.5 hours)

    To check values/agenda alignment.

APPLY FOR THIS POSITION
DO YOU NEED MORE INFO?
ASK A QUESTION

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