Lead Engineer (Unity) (Japan)
Tokyo, Japan
Full time
Office
Compensation is not specified
Role
Full-Stack Engineer
Description
Location: Japan
About us: Deep expertise. Personal and Industry evolution. Impeccable craft. These are Limit Break’s founding principles.
Welcome to Limit Break, where gaming and innovation meet to create a world like no other. As global pioneers in the mobile gaming industry, we go beyond traditional boundaries to redefine digital markets and build vibrant communities that transcend virtual boundaries.
Our vision extends far beyond gaming as we leverage cutting-edge technology, cryptocurrency, and our unparalleled creative vision to craft unforgettable experiences that unite people from every corner of the globe. From players to traders, we're elevating gaming economies to new heights.
At Limit Break, we take pride in our illustrious track record of over a decade of excellence. Our visionary founders have continually pushed the envelope, transforming the mobile gaming industry with their bold innovations and calculated risks. Join our trailblazers' team; together, we'll maintain our position as the unrivaled global leaders in mobile gaming.
Backed by esteemed investors such as Buckley Ventures & Paradigm Ventures, we're not just a company but a dynamic force of change and are eager to welcome brilliant minds to help us shape the future of gaming and beyond. Be a part of Limit Break's extraordinary journey, where your creativity and passion will know no limits.
About the Role: Unleash your potential at Limit Break as we seek an exceptional Lead Unity Engineer to spearhead an exciting new venture! We are embarking on a groundbreaking journey to develop a cutting-edge, mid-core, 3D mobile game from concept to reality.
At the outset, you'll collaborate closely with a small yet dynamic team to craft and refine the game's prototype, ensuring alignment with executive stakeholders. As the project gains momentum, you'll take charge of scaling the team from pre-production to full production, collaborating with leads and directors across various disciplines.
This role offers an inquisitive and driven individual a rare chance to shape the workflow and assemble a top-notch team for an ambitious gaming project. Join a passionate and experienced organization where bright minds thrive, and your dedication to gaming excellence will be celebrated.
You will have the opportunity to play an active role as a core member from the beginning of the team. Leave your mark on the gaming world and be part of an engaging, forward-looking team!
Responsibilities:
- Provide technical direction and guidance to the team, making important architectural decisions, and ensuring they follow best practices.
- Actively writing and reviewing code, optimizing performance, and tackling complex technical challenges.
- Overseeing the development process, setting milestones, and ensuring the team meets deadlines and project goals.
- Lead the design and implementation of a new Unity 3D game project, from its initial prototype to full production.
- Collaborate closely with design leads and other team members to rapidly iterate on the game prototype.
- Working with different teams, such as design, art, production, and engineering, to identify focus areas and find effective solutions for each development phase.
- Prioritize tasks effectively, even taking on different roles if needed, to ensure smooth progress for the project and team.
- Improving and enforcing processes, pipelines, and best practices for game development.
- Conduct code and architecture reviews to maintain high standards.
- Explore and integrate new technologies and techniques to enhance workflow efficiency and create secure, maintainable games and applications.
Qualifications:
- B.S. (or higher) in Computer Science or a related field.
- 8-10 years of software engineering experience, ideally in live service mobile games.
- 5 years of experience with Unity 3D game development.
- Strong sense of initiative and ownership.
- Experience building a game from prototype to launching and shipping the game, ideally with Unity.
- Comfortable and effective working across a range of technologies.
- Strong foundations in system architecture, software design, and production software development best practices.
- Ability to effectively communicate with technical and non-technical stakeholders, including executive leadership.
- A "roll up your sleeves" mindset to get any job done.
Nice to have. What an ideal candidate looks like:
- Passion for games and strong game design sensibilities.
- Excellent understanding of Unity 3D game and tools development, including live service tooling and management.
- Broad knowledge of available Unity plugins and assets that can be used for the development of the game.
- Experience with F2P gaming. Experience with AWS and building cloud-native applications.
- Experience with Server development (Ex: Go, Java, Python).
- Passion for blockchain and games development, demonstrating an awareness and following of industry trends and best practices.
Apply now:
If you are confident, driven and are looking for an exciting role, this job could be a great opportunity for you. Apply to the email provided to explore this new opportunity. This is an international blockchain gaming company that operates regionally and is opening offices in multiple locations around the globe. We value diversity at our company. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or any other applicable legally protected characteristics in the location in which the candidate is applying.
Skills Required
Limitbreak
Website
limitbreak.comCompany size
Not specified
Location
Japan
Description
Not specified
Ismail Ahmad
Senior iOS developer for GameDev startup
Full time
Remote
Game Concept: “Reflex Arena”
Genre
Real-time competitive 1v1 / 2v2 skill-based action game
Platform
iOS (iPhone first, iPad optional)
Core Idea
A pure skill game where players compete in short, intense arena matches using precision timing, reflexes, and positioning — no RNG, no pay-to-win.
Each match lasts 60–90 seconds, making it ideal for mobile sessions while supporting competitive depth.
Core Gameplay Loop
Matchmaking
Skill-based MMR
Ranked & unranked queues
Arena Match
Small symmetrical arena
Players control a single character
Objective: score points by outplaying, not overpowering
Score & Progress
Win → rank up
Lose → learn (clear replay & stats)
Cosmetics only progression
Controls (Mobile-First, High Precision)
Left thumb: Movement (virtual joystick)
Right thumb: Aim + action swipe
Tap: Ability activation
Perfect timing windows reward precision (parries, counters)
👉 Designed to feel closer to a fighting game than a casual mobile title.
Mechanics (Skill > Stats)
Core Mechanics
Dash with cooldown (positioning skill)
Timed parry (frame-perfect defense)
Charged shots (risk vs reward)
Combo chaining (execution mastery)
No Randomness
Fixed damage
Fixed cooldowns
No crit chance
No loot boxes
Competitive Depth
Skill Expression
Reaction time
Prediction & mind games
Spacing & arena control
Cooldown tracking
Skill Ceiling
Easy to learn (1 minute)
Hard to master (1000+ matches)
Game Modes
Ranked Duel (Main Mode)
1v1
Best of 3 rounds
Seasonal leaderboard
Team Arena
2v2 coordinated play
Shared objectives
Training / Practice
Frame timing visualizer
Ghost replays of top players
Visual Style
Clean, minimalistic sci-fi arenas
High contrast for readability
60–120 FPS target (ProMotion)
👉 Performance clarity > visual noise.
Monetization (Fair & Competitive)
Skins (characters, arenas, effects)
Emotes / victory poses
Battle pass (cosmetic only)
🚫 No power boosts
🚫 No energy timers
🚫 No loot RNG
Technical Design (iOS-Optimized)
Native Swift
Metal / SpriteKit
Deterministic simulation
Server-authoritative logic
Rollback netcode (if real-time PvP)
Genre
Real-time competitive 1v1 / 2v2 skill-based action game
Platform
iOS (iPhone first, iPad optional)
Core Idea
A pure skill game where players compete in short, intense arena matches using precision timing, reflexes, and positioning — no RNG, no pay-to-win.
Each match lasts 60–90 seconds, making it ideal for mobile sessions while supporting competitive depth.
Core Gameplay Loop
Matchmaking
Skill-based MMR
Ranked & unranked queues
Arena Match
Small symmetrical arena
Players control a single character
Objective: score points by outplaying, not overpowering
Score & Progress
Win → rank up
Lose → learn (clear replay & stats)
Cosmetics only progression
Controls (Mobile-First, High Precision)
Left thumb: Movement (virtual joystick)
Right thumb: Aim + action swipe
Tap: Ability activation
Perfect timing windows reward precision (parries, counters)
👉 Designed to feel closer to a fighting game than a casual mobile title.
Mechanics (Skill > Stats)
Core Mechanics
Dash with cooldown (positioning skill)
Timed parry (frame-perfect defense)
Charged shots (risk vs reward)
Combo chaining (execution mastery)
No Randomness
Fixed damage
Fixed cooldowns
No crit chance
No loot boxes
Competitive Depth
Skill Expression
Reaction time
Prediction & mind games
Spacing & arena control
Cooldown tracking
Skill Ceiling
Easy to learn (1 minute)
Hard to master (1000+ matches)
Game Modes
Ranked Duel (Main Mode)
1v1
Best of 3 rounds
Seasonal leaderboard
Team Arena
2v2 coordinated play
Shared objectives
Training / Practice
Frame timing visualizer
Ghost replays of top players
Visual Style
Clean, minimalistic sci-fi arenas
High contrast for readability
60–120 FPS target (ProMotion)
👉 Performance clarity > visual noise.
Monetization (Fair & Competitive)
Skins (characters, arenas, effects)
Emotes / victory poses
Battle pass (cosmetic only)
🚫 No power boosts
🚫 No energy timers
🚫 No loot RNG
Technical Design (iOS-Optimized)
Native Swift
Metal / SpriteKit
Deterministic simulation
Server-authoritative logic
Rollback netcode (if real-time PvP)
Payment in Crypto
bitcastle .
Social Media Executive
Bangalore, India
Bangalore, India
Full time
Remote
About the Company:
Bitcastle is a cryptocurrency exchange and Forex (FX)platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-TimeSocial Networking Service (SNS) Executive to join our team.
About the Role:
We are looking for a Social Networking Service Executive to join the Bitcastle team. In this role, you will lead and execute our social media strategy to grow our brand presence across various platforms. You will manage content creation, community engagement, and campaign execution to strengthen our position in the crypto industry. This is a full-time, fully remote position.
Manage and maintain a strong presence across social media platforms, including X, Instagram, Facebook, LinkedIn, and TikTok, ensuring consistent messaging and tone
Conduct social listening to identify trending topics and emerging content within the cryptocurrency space
Monitor community feedback and collaborate with sponsorship, product, operations, content, and PR teams to deliver timely and relevant content
Create, curate, and manage engaging content tailored to each social media platform
Build and nurture a strong online presence by actively engaging with users, responding to inquiries, and fostering a positive community environment
Partner with communities and brands to boost visibility and establish meaningful collaborations
Track and analyze metrics such as engagement, reach, and growth across social accounts
Plan, execute, and manage social media campaigns, including product launches, contests, promotions, and events
Optimize campaigns to maximize user engagement and overall impact
Requirements:
At least 2 years of experience in social media content creation and management
Proven ability to develop and execute successful content strategies
Experience using social media analytics tools
Preferred Qualification:
Prior experience in social media management within the crypto industry
Deep interest in Web3, blockchain, and cryptocurrency developments
Understanding of social media SEO principles and platform algorithms
Bitcastle is a cryptocurrency exchange and Forex (FX)platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-TimeSocial Networking Service (SNS) Executive to join our team.
About the Role:
We are looking for a Social Networking Service Executive to join the Bitcastle team. In this role, you will lead and execute our social media strategy to grow our brand presence across various platforms. You will manage content creation, community engagement, and campaign execution to strengthen our position in the crypto industry. This is a full-time, fully remote position.
Manage and maintain a strong presence across social media platforms, including X, Instagram, Facebook, LinkedIn, and TikTok, ensuring consistent messaging and tone
Conduct social listening to identify trending topics and emerging content within the cryptocurrency space
Monitor community feedback and collaborate with sponsorship, product, operations, content, and PR teams to deliver timely and relevant content
Create, curate, and manage engaging content tailored to each social media platform
Build and nurture a strong online presence by actively engaging with users, responding to inquiries, and fostering a positive community environment
Partner with communities and brands to boost visibility and establish meaningful collaborations
Track and analyze metrics such as engagement, reach, and growth across social accounts
Plan, execute, and manage social media campaigns, including product launches, contests, promotions, and events
Optimize campaigns to maximize user engagement and overall impact
Requirements:
At least 2 years of experience in social media content creation and management
Proven ability to develop and execute successful content strategies
Experience using social media analytics tools
Preferred Qualification:
Prior experience in social media management within the crypto industry
Deep interest in Web3, blockchain, and cryptocurrency developments
Understanding of social media SEO principles and platform algorithms
Nahclimited
Project Manager, Unity
Hong Kong
Hong Kong
Full time
Office
Overview
Our client is in search of a skilled and proactive Project Manager to join their content operation team. The ideal candidate will possess excellent attention to detail and a strong focus on achieving results, specifically in overseeing localization projects across various languages and regions. The primary responsibilities will involve managing the content production process and ensuring the smooth execution and delivery of projects.
Responsibilities:
Lead the planning, execution, and successful completion of content projects, ensuring adherence to timelines, resource allocation, and key milestones.
Collaborate closely with cross-functional teams to facilitate clear communication among stakeholders.
Develop and implement efficient processes for handling different localization projects.
Coordinate with external developers for outsourced initiatives.
Provide support to other content team members as required for ad-hoc requests.
Requirements:
Bachelor's degree in Computer Science, Game Design and Development, or a related field, coupled with at least 3 years of experience in IT services or the gaming industry.
Proficient in project management methodologies, tools, and industry best practices.
Knowledge of Unity is considered a bonus.
Strong attention to detail and ability to manage multiple priorities independently.
Excellent communication and collaboration skills.
Passion for game development and emerging technologies.
Our client is in search of a skilled and proactive Project Manager to join their content operation team. The ideal candidate will possess excellent attention to detail and a strong focus on achieving results, specifically in overseeing localization projects across various languages and regions. The primary responsibilities will involve managing the content production process and ensuring the smooth execution and delivery of projects.
Responsibilities:
Lead the planning, execution, and successful completion of content projects, ensuring adherence to timelines, resource allocation, and key milestones.
Collaborate closely with cross-functional teams to facilitate clear communication among stakeholders.
Develop and implement efficient processes for handling different localization projects.
Coordinate with external developers for outsourced initiatives.
Provide support to other content team members as required for ad-hoc requests.
Requirements:
Bachelor's degree in Computer Science, Game Design and Development, or a related field, coupled with at least 3 years of experience in IT services or the gaming industry.
Proficient in project management methodologies, tools, and industry best practices.
Knowledge of Unity is considered a bonus.
Strong attention to detail and ability to manage multiple priorities independently.
Excellent communication and collaboration skills.
Passion for game development and emerging technologies.
Limitbreak
Senior Data Scientist (Japan)
Tokyo, Japan
Tokyo, Japan
Full time
Office
About us:
Deep expertise, personal and industry evolution, and impeccable craft are the core values of our company, Limit Break. Founded by global industry leaders in mobile gaming, we are innovating to extend the potential of gaming into real-world economies and vibrant digital communities. Our commitment to fostering connections through technology and creative vision is paramount.
Limit Break is strongly supported by prominent investors such as Buckley Ventures & Paradigm Ventures and is at the forefront of the next technological revolution, with a growing adoption rate and numerous partnerships in both public and private sectors.
About the Role:
We are seeking a seasoned Data Scientist to join our dynamic team at Limit Break. The role involves contributing to the development of core data infrastructure and applications across various business functions including studio teams, analytics, user acquisition, monetization, and finance. Our team places significant emphasis on harnessing the immense value that data and analytics offer, driving investment in cutting-edge capabilities. Spanning real-time data ingestion to scalable data pipelines, you will work within a high-performance environment.
Responsibilities:
As a pivotal member of the Data Engineering team, you will be responsible for taking charge of data initiatives and collaborating closely with Data Pipeline Engineers and stakeholders in Live Operations and Marketing. Your primary duties will entail constructing tools, analytics, and dashboards crucial for informed business decision-making. Working with real-time data from multiple sources, you will operate within a sophisticated tech stack comprising Kafka, Imply Druid, EMR, Trino, and Airflow.
Requirements: Who you are and what you’ve done
5+ years of software engineering experience, particularly within data science and engineering projects.
3+ years of data engineering expertise, specifically in data analytics and dashboard creation.
Proficiency in tools like Druid, Trino / Presto, Hive, Kafka, and Superset.
Familiarity with workflow orchestration tools such as Airflow.
Advanced proficiency in SQL and its variants.
Proficient in at least one of Python, Scala, or R.
Skilled in writing well-tested code, encompassing unit, integration, and end-to-end testing.
Nice to have: What an ideal candidate looks like
Experience in high-scale machine learning like Spark M/L, SageMaker, etc.
Knowledge of CI/CD processes, testing frameworks, and containerization technology.
Apply now:
Seeking confident and ambitious professionals for an exciting opportunity at our globally-recognized blockchain gaming company. We are expanding our presence across various regions worldwide. Diversity is highly valued in our organization. All applications will be considered on merit, irrespective of race, color, religion, gender identity, sexual orientation, or national origin.
Deep expertise, personal and industry evolution, and impeccable craft are the core values of our company, Limit Break. Founded by global industry leaders in mobile gaming, we are innovating to extend the potential of gaming into real-world economies and vibrant digital communities. Our commitment to fostering connections through technology and creative vision is paramount.
Limit Break is strongly supported by prominent investors such as Buckley Ventures & Paradigm Ventures and is at the forefront of the next technological revolution, with a growing adoption rate and numerous partnerships in both public and private sectors.
About the Role:
We are seeking a seasoned Data Scientist to join our dynamic team at Limit Break. The role involves contributing to the development of core data infrastructure and applications across various business functions including studio teams, analytics, user acquisition, monetization, and finance. Our team places significant emphasis on harnessing the immense value that data and analytics offer, driving investment in cutting-edge capabilities. Spanning real-time data ingestion to scalable data pipelines, you will work within a high-performance environment.
Responsibilities:
As a pivotal member of the Data Engineering team, you will be responsible for taking charge of data initiatives and collaborating closely with Data Pipeline Engineers and stakeholders in Live Operations and Marketing. Your primary duties will entail constructing tools, analytics, and dashboards crucial for informed business decision-making. Working with real-time data from multiple sources, you will operate within a sophisticated tech stack comprising Kafka, Imply Druid, EMR, Trino, and Airflow.
Requirements: Who you are and what you’ve done
5+ years of software engineering experience, particularly within data science and engineering projects.
3+ years of data engineering expertise, specifically in data analytics and dashboard creation.
Proficiency in tools like Druid, Trino / Presto, Hive, Kafka, and Superset.
Familiarity with workflow orchestration tools such as Airflow.
Advanced proficiency in SQL and its variants.
Proficient in at least one of Python, Scala, or R.
Skilled in writing well-tested code, encompassing unit, integration, and end-to-end testing.
Nice to have: What an ideal candidate looks like
Experience in high-scale machine learning like Spark M/L, SageMaker, etc.
Knowledge of CI/CD processes, testing frameworks, and containerization technology.
Apply now:
Seeking confident and ambitious professionals for an exciting opportunity at our globally-recognized blockchain gaming company. We are expanding our presence across various regions worldwide. Diversity is highly valued in our organization. All applications will be considered on merit, irrespective of race, color, religion, gender identity, sexual orientation, or national origin.
Nahclimited
Unity Game Engineer, Frontend
Hong Kong
Hong Kong
Full time
Office
Our client is in search of a skilled Unity Engineer to join their innovative game development team focusing on AI-powered gaming experiences. The ideal candidate will be responsible for the overall architecture of the global content infrastructure, with a specific focus on the UI domain within the Unity engine. You will collaborate closely with UI Designers and Artists to translate design concepts from Figma into C# implementation.
Key Responsibilities:
Develop foundational UI and localization systems to support the game library and ensure consistency and scalability across all games.
Work with UI Designers to create Unity interfaces based on Figma designs and establish a library of responsive UI elements.
Establish a complete localization pipeline and internationalization framework, including modernizing legacy systems in existing games.
Build custom Unity Editor tools and workflows to facilitate the work of designers, content creators, and translators, while optimizing UI performance for different devices.
Implement engaging animations and interactions and participate in technical discussions to uphold high standards of code quality.
Qualifications:
Proficient in C# and Unity development with practical software development experience.
Thorough understanding of Unity UI development using tools like uGUI or UI Toolkit.
Familiarity with asset management techniques such as Addressables or Asset Bundles.
Experience with asynchronous programming in Unity, including tools like UniTask, async/await, or coroutines.
Key Responsibilities:
Develop foundational UI and localization systems to support the game library and ensure consistency and scalability across all games.
Work with UI Designers to create Unity interfaces based on Figma designs and establish a library of responsive UI elements.
Establish a complete localization pipeline and internationalization framework, including modernizing legacy systems in existing games.
Build custom Unity Editor tools and workflows to facilitate the work of designers, content creators, and translators, while optimizing UI performance for different devices.
Implement engaging animations and interactions and participate in technical discussions to uphold high standards of code quality.
Qualifications:
Proficient in C# and Unity development with practical software development experience.
Thorough understanding of Unity UI development using tools like uGUI or UI Toolkit.
Familiarity with asset management techniques such as Addressables or Asset Bundles.
Experience with asynchronous programming in Unity, including tools like UniTask, async/await, or coroutines.