Senior Software Engineer

Posted 11 Days Ago
Be an Early Applicant
Tokyo, JPN
Hybrid
9M-13M Annually
Senior level
AdTech • Artificial Intelligence • Gaming • Machine Learning • Software • Virtual Reality • Metaverse
Unity is the leading platform to create and grow games and interactive experiences.
The Role
Develop and optimize games and production tools for external customers using Unity. Collaborate with customer and internal teams, scope and plan projects, solve complex technical issues, profile CPU/GPU/memory performance, support diverse platforms, provide consultations and training, and communicate technical guidance in Japanese and English.
Summary Generated by Built In
The Opportunity

The Unity Studio Productions team is a group of highly skilled Software Developers and Technical Artists with deep expertise in the Unity platform, whose main goal is to help our customers improve their projects, internal workflows, and assist them in the resolution of very challenging technical problems, bridging with the Unity Engine team in the process. To do this, we provide a series of short-term and long-term co-development services that can range in duration from one week to eighteen months and beyond.

Our customers include globally known game development studios and publishers in need of having their games’ performance optimized, their visual targets met, ported to difficult platforms, and timely advice on how best to use Unity. If you're technically skilled, customer-focused, curious, and thrive on variety, this job will suit you.

Your day-to-day work will include collaborating with game development studios, optimizing their games, developing solutions for their most challenging problems, and striving to ensure that their projects succeed.

We're committed to maintaining a diverse team, and we welcome and encourage applicants with diverse experiences and backgrounds.


What you'll be doing
  • Working closely with external customer teams to develop games and game production tools.
  • Scoping, estimating, and assisting in the planning of customer projects.
  • Build close relationships with Unity's internal development teams, and provide customer feedback and production verification of future features of Unity technology and services.
  • Efficiently solve problems, communicate, and educate our clients, both remotely and on-site at their offices.
  • Proactively train yourself to remain at the forefront of Unity Engine technology and game content creation technology.
  • Visit customers for short-term consultations and give them advice on how to improve their existing projects.

What we're looking for
  • Experience on a variety of game projects, platforms, not necessarily all Unity.
  • Ability to adapt to customer production environments and in some cases, take over work streams in collaboration with the customer.
  • Understanding of the technical challenges related to complex game development environments.
  • Ability to work closely in a team, plan, coordinate, communicate work intentions, progress, and deliver work in a timely manner, dealing with the usual complications of game development.
  • The ability to  work independently, identifying and clarifying the tasks, assisting the Project Manager and more inexperienced developers.
  • The ability to develop and debug code written in a large multithreaded C# or C++ codebase, using a multi-platform engine. (e.g. Unity, Unreal, in-house)
  • Deep technical expertise in the Unity ecosystem, including C#, ScriptableObjects, Addressables, Unity Lifecycle and modern render pipelines. (URP/HDRP).
  • A proactive mentor who excels at technical documentation and cross-departmental problem-solving.
  • Proven ability to profile and optimize CPU, GPU, and memory usage using the Unity Profiler, Frame Debugger, and RenderDoc.
  • The ability to translate complex technical topics into understandable concepts for both technical and non-technical stakeholders.
  • Experience shipping and maintaining titles across diverse hardware (Mobile, PC, or Console) with an understanding of platform-specific constraints.
  • Able to guide customers by clearly communicating ideas and technical knowledge through written reports and spoken language in Japanese.
You might also have
  • Experience (or strong interest) in high-performance paradigms like DOTS, ECS, and the C# Job System.
  • Experience with Version Control (Git/Perforce) in a production environment.
  • Experience in delivering training/technical talks and writing technical articles.
  • Awareness of AI/ML workflows and an understanding of how to leverage emerging technologies to deconstruct and solve complex problems.

Annual Salary Range: ¥ 8,812,200 - 13,218,200 JPY gross


This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate’s relevant experience, professional background, and skill set.

Benefits


At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.


Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.


While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program

Life at Unity


Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality. For more information, please visit www.unity.com.


Unity is an equal opportunity employer committed to fostering an inclusive, innovative environment with the best employees. Therefore, we provide employment opportunities without regard to age, race, color, ancestry, national origin, disability, gender, or any other protected status in accordance with applicable law. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.


This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.


Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.


Your privacy is important to us. Please take a moment to review our Prospect and Applicant Privacy Policies. Should you have any concerns about your privacy, please contact us at [email protected].

Skills Required

  • Experience on a variety of game projects and platforms
  • Ability to adapt to customer production environments and take over work streams collaboratively
  • Understanding of technical challenges in complex game development environments
  • Ability to collaborate, plan, coordinate, communicate progress, and deliver work on time
  • Ability to independently identify and clarify tasks and assist project managers and less experienced developers
  • Ability to develop and debug large multithreaded C# or C++ codebases using a multiplatform engine
  • Deep technical expertise in Unity, including C#, ScriptableObjects, Addressables, Unity Lifecycle, and URP/HDRP
  • Proactive mentoring, technical documentation, and cross-departmental problem-solving skills
  • Experience profiling and optimizing CPU, GPU, and memory usage with Unity Profiler, Frame Debugger, and RenderDoc
  • Experience shipping and maintaining titles across mobile, PC, or console hardware
  • Ability to communicate technical ideas in written and spoken Japanese
  • Experience or strong interest in DOTS, ECS, and the C# Job System
  • Production experience with Git or Perforce
  • Experience delivering training or technical talks and writing technical articles
  • Awareness of AI/ML workflows and emerging technologies
  • Sufficient English proficiency for professional verbal and written communication

Unity Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Unity and has not been reviewed or approved by Unity.

  • Healthcare Strength — Core medical, dental, vision, life/disability, and mental‑health/EAP offerings are positioned as comprehensive across eligible locations. This breadth aligns with large‑tech standards and is highlighted in official materials.
  • Retirement Support — A 401(k) plan with employer matching is part of the U.S. package. Retirement benefits are characterized as competitive and a stable element of total rewards.
  • Parental & Family Support — Paid parental leave and family‑care support are emphasized, with indications of generous time off for new parents. These programs are presented as global in scope, with specifics verified by location.

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The Company
HQ: San Francisco, CA
4,500 Employees
Year Founded: 2004

What We Do

Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality.

Why Work With Us

We believe the world is a better place with more creators in it. This is at the core of our business because we believe our technology can change the world. Our products give content creators the tools to not just entertain but to create innovative RT3D experiences and deliver better processes for almost every industry.

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