Senior Unity UI Engineer - Transform Gaming at Limit Break

Limit BreakTokyo

On-site Full-time

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Experience Level

Senior

Qualifications

Responsibilities: ● Design, implement, and sustain clean, modular UI code and prefabs in Unity (UGUI).● Collaborate closely with UX/UI designers and product teams to translate mockups into engaging user interfaces.

About the job

Senior Unity UI Engineer

About Us:

At Limit Break, we are driven by deep expertise, personal and industry evolution, and impeccable craftsmanship. Founded by global leaders in mobile gaming, we are on a mission to unlock the untapped potential of gaming, transforming digital markets into thriving economies and communities. Our commitment to innovation is backed by prominent investors, including Buckley Ventures and Paradigm Ventures, as we lead the charge into the future of technology and gaming.

About the Role:

Join us at Limit Break as a Senior Unity UI Engineer and take the lead on an exciting new venture! You will be pivotal in developing a state-of-the-art, mid-core, 3D mobile game from concept to reality. In the initial stages, you'll work closely with a talented team to design and refine the game's prototype while collaborating with executive stakeholders. As the project evolves, you'll manage team scaling from pre-production to full production, partnering with leads and directors across diverse disciplines.

This is a unique opportunity for a motivated and inquisitive individual to influence the workflow and build a high-caliber team for this ambitious gaming project. Become part of a passionate and experienced organization where innovation thrives, and your commitment to gaming excellence is acknowledged and rewarded.

As a core member of our team from the onset, you'll have the chance to leave a lasting impact on the gaming world while engaging with a forward-thinking group of professionals.

About Limit Break

Limit Break is a pioneering force in mobile gaming, founded by industry leaders. We are redefining the gaming landscape, turning digital experiences into real markets and vibrant communities through innovative technology and creative vision.

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Contract|On-site|Shinjuku, Tokyo, Japan

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Jul 23, 2025

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Unreal Engine Programmer at Wizcorp | Tokyo

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Full-time|On-site|Tokyo

Join Wizcorp as an Unreal Engine Programmer!Note: This position requires you to reside in Japan during your employment.Wizcorp is on the lookout for talented Unreal Engine (4 and 5) Programmers to contribute to groundbreaking projects for next-generation consoles. We tailor the role to fit your unique background, skills, and experiences, ensuring the best fit within our dynamic teams.Is this opportunity right for you? ‍‍‍If you have a few years of experience working with Unreal Engine and have successfully launched games on consoles, this could be your chance! Your proficiency in C++ and your willingness to dive deep into the engine to implement enhancements are key.Does this sound like you? Then we want you on our team! A Day in the Life at Wizcorp Your day kicks off with reviewing and approving code from fellow engineers to ensure it meets our quality standards. You'll spend your time implementing control systems for consoles in a structured and scalable manner while also analyzing performance on target platforms to enhance the game or engine.Your afternoons will often involve testing the updated code on these platforms to verify accuracy and efficiency.Key Responsibilities Estimate your tasks and deliver results promptly.Write clear, maintainable code that meets peer review standards.Communicate all blockers to the project lead as they arise.Test and document solutions to facilitate peer review and knowledge sharing.Implement and uphold best practices throughout the software development lifecycle.Take ownership of significant areas within the codebase and complex features.Cooperate with team members outside of engineering to deliver features on time.Assess the feasibility of large features and propose innovative solutions.Offer expert programming insights for feature delivery and architecture suggestions.Conduct code reviews to identify potential design and implementation challenges.Are You a Fit? Exceptional ability to write clean, readable, and efficient code.Strong debugging and optimization capabilities.Excellent written and verbal communication skills.A collaborative spirit and a willingness to engage in technical discussions.A commitment to providing and receiving constructive feedback for continuous improvement.Robust software development skills, including design theory and processes.Solid personal time management.Comprehensive understanding of end-to-end software development.Experience with one or more of the following:Development using the Unreal Online Subsystem.Familiarity with Unreal Engine’s internal systems and customization.Development targeting PlayStation platforms.Development targeting Microsoft platforms.

Mar 5, 2026

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Senior Unity UI Engineer - Transform Gaming at Limit Break

Limit Break

Full-time|On-site|Tokyo

Senior Unity UI Engineer About Us: At Limit Break, we are driven by deep expertise, personal and industry evolution, and impeccable craftsmanship. Founded by global leaders in mobile gaming, we are on a mission to unlock the untapped potential of gaming, transforming digital markets into thriving economies and communities. Our commitment to innovation is backed by prominent investors, including Buckley Ventures and Paradigm Ventures, as we lead the charge into the future of technology and gaming. About the Role: Join us at Limit Break as a Senior Unity UI Engineer and take the lead on an exciting new venture! You will be pivotal in developing a state-of-the-art, mid-core, 3D mobile game from concept to reality. In the initial stages, you'll work closely with a talented team to design and refine the game's prototype while collaborating with executive stakeholders. As the project evolves, you'll manage team scaling from pre-production to full production, partnering with leads and directors across diverse disciplines. This is a unique opportunity for a motivated and inquisitive individual to influence the workflow and build a high-caliber team for this ambitious gaming project. Become part of a passionate and experienced organization where innovation thrives, and your commitment to gaming excellence is acknowledged and rewarded. As a core member of our team from the onset, you'll have the chance to leave a lasting impact on the gaming world while engaging with a forward-thinking group of professionals.

Jul 14, 2023

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LQA Japanese Game Tester

Side International Japan

Part-time|JPY 1.2K/hr - JPY 1.2K/hr|On-site|Toshima City, Tokyo, Japan

Join us at Side International Japan, a leading localization company dedicated to supporting both domestic and international game developers in bringing their diverse range of games to global markets. Collaborating with our overseas offices across 14 countries, we provide localization services from Japanese to English and various other languages, voice recording, and comprehensive support through overseas call centers. Our commitment to delivering high-quality services has made us a trusted partner for numerous clients. We are currently seeking passionate game testers to assist in localizing popular games that are eagerly awaited by fans in their native languages. As a tester, you will play Japanese versions of international games and provide valuable feedback to enhance their quality. Key Responsibilities: Play games as per instructions and report any language issues or gameplay bugs.Provide daily progress reports.Suggest improvements to Japanese language translations and report gameplay issues as necessary. This position offers a unique opportunity to work on unreleased blockbuster games and contribute to their quality enhancement. You will also have ample opportunities to improve your English skills, expanding your career prospects in the gaming industry. If you are eager to advance your career and grow within the gaming field, we encourage you to reach out, even if you just want to learn more about this opportunity!

Mar 25, 2026

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Korean Game Localization Tester

Keywords Studios

Contract|JPY 1.3K/hr - JPY 1.5K/hr|On-site|Suginami City, Tokyo, Japan

Join Keywords Studios as a Korean Game Localization Tester!At Keywords Studios, we strive to eliminate language barriers for gamers worldwide, allowing them to immerse themselves in their favorite games. With a proven track record of working with numerous games across various platforms and publishers, we are a leading service provider in the gaming industry.Founded in Ireland, our Tokyo branch has been thriving since its establishment in 2009, currently employing over 500 professionals. We are a rapidly growing company recognized for our dynamic work culture that values work-life balance.Our new office offers stunning views of both Shinjuku and Mount Fuji, fostering an inspiring work environment. With a diverse team, including many international staff members, we provide ample opportunities to engage in a multicultural workplace that values diversity and inclusion.Key Responsibilities:Play video games while checking the accuracy of Korean in-game text.Identify and report bugs, such as grammatical errors or awkward phrasing, in a clear and concise manner within our bug database.Verify that reported issues have been resolved and properly implemented.Provide feedback aimed at enhancing game quality and user experience.Working Conditions:Employment Type: Short-term project-based contract or a one-month full-time fixed-term contract, depending on project needs.Working Hours: Monday to Friday (5 days a week) from 10:00 AM to 7:00 PM (8 hours of actual work).Note: We observe a two-day weekend (Saturday and Sunday) and holidays.Salary: ¥1,300 to ¥1,500 per hour (commensurate with experience and skills).Transportation allowance: Up to ¥30,000 per month.Application Requirements:Proficient in Korean (native level).Deep understanding of local culture and language nuances.Eligibility to work in Japan and work in an office environment.Basic computer skills (Word, Excel).Comfortable working in a diverse environment with foreign staff.Ability to communicate in English or Japanese is a plus.Work Environment:Transportation allowance provided (up to ¥30,000 per month).Various internal events and activities.Casual dress code.Opportunities for interaction with a multinational team.Comfortable office setup with views of Shinjuku and Mount Fuji.Important Notes:Due to the high volume of applications, only successful candidates will be contacted.Applicants who progress through the hiring process may be added to our talent pool for future opportunities.To apply, please provide the following information:Type and expiration date of your visa.Available working hours.

Nov 19, 2025

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Game Designer (Episode)

Limit Break

Contract|On-site|Tokyo

Game Designer (Episode) About Us At Limit Break, we are driven by deep expertise, personal and industry growth, and exceptional technology. As a global leader in the mobile gaming industry, we are committed to transforming the digital marketplace and building vibrant communities beyond gaming. By leveraging cutting-edge technologies and cryptocurrency, we deliver experiences that connect people worldwide through our creative vision. Supported by prominent investors such as Buckley Ventures and Paradigm Ventures, Limit Break is in search of talented individuals eager to shape the future of the gaming industry with us. Join us at Limit Break and bring your creativity and passion to participate in challenges that push the boundaries of gaming. Responsibilities ● Establish the design and integration processes for game levels and live events.● Craft engaging visual narratives, cutscenes, mini-games, events, and quests.● Collaborate with relevant departments to create concepts and storyboards for levels and events using visual storytelling techniques.● Design game mechanics, rules, and systems.● Prototype games, collect feedback from stakeholders, and conduct playtests.● Work with the production team to build and maintain the content pipeline during pre-production, development, and live phases.● Utilize AI technologies to enhance game balance and automate incremental content generation. Required Skills ● Over 5 years of practical experience in the gaming industry.● Deep understanding of in-game design.● Ability to design game mechanics, levels, quests, mini-games, and events.● Ability to translate ideas into game mechanics and experiences, implementing, testing, and improving them.● Experience in building 3D game scenes, levels, and environments using Unity.● Analytical skills to evaluate the strengths and weaknesses of game systems.● Proactive attitude to keep up with the latest trends in the mobile F2P market and share insights from gameplay analysis with the team.● Excellent communication skills. Preferred Skills ● Experience in development with Unity.● Experience with live game services (management of content pipelines and event calendars, design optimization based on real-time user data, etc.).● Practical experience in Agile development, with asset adjustment skills in animation, VFX, and writing.

Feb 19, 2026

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Enterprise Account Executive - Gaming

Anthropic

On-site|On-site|Tokyo, Japan

About AnthropicAt Anthropic, we are dedicated to pioneering reliable, interpretable, and steerable AI systems that prioritize safety and benefit not only our users but society at large. Our rapidly expanding team comprises passionate researchers, engineers, policy specialists, and business leaders collaborating to develop AI technologies that enhance user experience and create a positive societal impact.Role OverviewAs a Senior Enterprise Account Executive specializing in Gaming, based in the vibrant city of Tokyo, you will be at the forefront of integrating cutting-edge AI technology into Japan's thriving gaming sector—one of the most advanced markets globally. You will take ownership of the complete sales process, from initial outreach to finalizing deals, partnering with senior executives at both console/PC and mobile gaming studios to expedite game development, improve live operations, and deliver exceptional player experiences through Anthropic's innovative AI solutions.

Feb 1, 2026

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