Senior Engineer (Unity) (Japan)
Tokyo, Japan
Full time
Office
Compensation is not specified
Role
Software Engineer
Description
Locations:
Japan
About us:
If you have experience with mobile gaming and are passionate about innovation and technological advancements, consider joining Limit Break. As a global leader in the mobile gaming industry, we are dedicated to pushing boundaries and creating communities that extend beyond virtual realms. Our focus on cutting-edge technology, cryptocurrency, and creative vision allows us to deliver unique experiences that bring people together from all corners of the world.
With a successful track record spanning over a decade, our team at Limit Break continues to drive innovation and transformation in the mobile gaming sector. We are seeking talented individuals who can contribute to our legacy and help shape the future of gaming and beyond.
Benefiting from the support of renowned investors such as Buckley Ventures & Paradigm Ventures, we are on a mission to drive change and welcome driven individuals to be part of our journey towards redefining gaming economies on a global scale. Join us at Limit Break and let your passion for creativity flourish without limits.
About the Role:
As a Lead Staff Unity Engineer at Limit Break, you will have the opportunity to lead an exciting project involving the development of a cutting-edge 3D mobile game. Your role will involve collaborating with a dynamic team to refine the game's concept, engage with stakeholders, and oversee the transition from prototype to full production.
This position offers a unique chance for an enthusiastic individual to shape workflows, build top-tier teams, and contribute to the success of an ambitious gaming project. Be a part of an experienced and passionate team where creativity is highly valued, and gaming excellence is celebrated. Make your mark on the gaming industry and be part of a forward-thinking team.
Responsibilities:
- Provide technical guidance and direction, make key architectural decisions, and ensure best practices are followed by the team.
- Write and review code, optimize performance, and tackle complex technical challenges.
- Lead the design and implementation of a new Unity 3D game project from initial prototype to full production.
- Collaborate closely with design leads and team members to iterate rapidly on the game prototype.
- Work with various teams to identify focus areas and find effective solutions for each development phase.
- Ensure project milestones and deadlines are met by effectively prioritizing tasks and roles.
- Improve processes, pipelines, and best practices for game development.
- Conduct code and architecture reviews to maintain high standards.
- Integrate new technologies and techniques to enhance workflow efficiency and create secure, maintainable games and applications.
Qualifications:
- Degree in Computer Science or related field
- 8+ years of software engineering experience, preferably in live service mobile games
- 5-7 years of experience in Unity 3D game development
- Strong sense of initiative and ownership
- Experience in developing a game from prototype to launch and shipping, preferably with Unity
- Proficiency in system architecture, software design, and production software development best practices
- Strong communication skills to engage with both technical and non-technical stakeholders
- A proactive mindset to handle tasks efficiently
Nice to have. What an ideal candidate looks like:
- Passion for games and strong game design sense
- Extensive understanding of Unity 3D game and tools development
- Broad knowledge of Unity plugins and assets useful for game development
- Experience in free-to-play gaming
- Knowledge of AWS and building cloud-native applications
- Proficiency in server development (e.g., Go, Java, Python)
- Interest in blockchain and game development trends
Apply now:
If you are a motivated individual seeking an exciting role in the gaming industry, send your application to us. Limit Break is an international blockchain gaming company with a global presence. We are committed to diversity and welcome all qualified applicants based on merit and without discrimination.
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
Software Engineer (Unity Multiplayer)
Hong Kong
Hong Kong
Full time
Office
Our client, a forward-thinking tech organization disrupting family entertainment with immersive, movement-based activities, is in search of a Software Engineer to optimize developer workflows and empower the software teams to create innovative games.
The client is looking for a skilled Unity Game Engineer to actively contribute to developing cutting-edge multiplayer experiences. You will be responsible for constructing real-time networked systems that enable players to seamlessly compete and collaborate on various devices, ensuring dynamic gameplay and interactive social engagement.
Duties:
Implement real-time multiplayer gameplay systems to ensure synchronized physics, actions, and scores globally.
Develop and improve safe, limited matchmaking and networking features suitable for family-friendly interactions.
Modify and adjust existing single-player codebases to accommodate multiplayer functionality without sacrificing the game's essence.
Address technical obstacles like jitter compensation, bandwidth efficiency, and maintaining server-client coherence.
Work collaboratively with artists, designers, and core platform teams to deliver engaging connected experiences.
Requirements:
Professional software development background of over 3 years.
Proficient in C# and Unity development.
Comprehensive knowledge of networking basics, such as RPCs, state synchronization, and authority models.
Practical experience with Unity networking solutions like Photon Fusion, Mirror, or Netcode.
Strong grasp of asynchronous programming concepts.
The client is looking for a skilled Unity Game Engineer to actively contribute to developing cutting-edge multiplayer experiences. You will be responsible for constructing real-time networked systems that enable players to seamlessly compete and collaborate on various devices, ensuring dynamic gameplay and interactive social engagement.
Duties:
Implement real-time multiplayer gameplay systems to ensure synchronized physics, actions, and scores globally.
Develop and improve safe, limited matchmaking and networking features suitable for family-friendly interactions.
Modify and adjust existing single-player codebases to accommodate multiplayer functionality without sacrificing the game's essence.
Address technical obstacles like jitter compensation, bandwidth efficiency, and maintaining server-client coherence.
Work collaboratively with artists, designers, and core platform teams to deliver engaging connected experiences.
Requirements:
Professional software development background of over 3 years.
Proficient in C# and Unity development.
Comprehensive knowledge of networking basics, such as RPCs, state synchronization, and authority models.
Practical experience with Unity networking solutions like Photon Fusion, Mirror, or Netcode.
Strong grasp of asynchronous programming concepts.
Nahclimited
Software Engineer (Unity Frontend)
Hong Kong
Hong Kong
Full time
Office
Our client, a cutting-edge tech company at the forefront of transforming family entertainment with immersive, movement-based experiences, is in search of a Software Engineer. The primary focus of this position is to improve developer workflows and empower software teams to create innovative games.
We are looking for a skilled Unity Game Engineer to be part of our dynamic game development team. As a Unity Game Engineer, you will be responsible for designing and constructing presentation layers within the Unity engine. Your role will involve shaping the UI layer of a global game library developed in Unity, constructing scalable systems to deliver intuitive user experiences, elegant interfaces, and top-notch performance for various game titles.
Responsibilities:
Take the lead in designing and implementing fundamental UI frameworks used across different game titles.
Translate UI/UX designs into efficient Unity C# implementations.
Develop shared UI component libraries to promote consistency and reusability.
Optimize localization systems to facilitate multi-language releases.
Create custom Unity editor tools and workflows to support designers and developers.
Ensure optimal UI performance on target platforms regarding draw calls, memory usage, and responsiveness.
Actively participate in code reviews and collaborate in cross-team technical planning.
Requirements:
Minimum of 3 years of professional software development experience.
Proficiency in C# and Unity, specifically in UI domains like uGUI or UI Toolkit.
Strong grasp of asset pipelines, asynchronous coding patterns, and performance optimization in Unity.
Experience in implementing scalable UI architectures such as MVVM/MVC/MVP.
Familiarity with localization strategies and tools.
We are looking for a skilled Unity Game Engineer to be part of our dynamic game development team. As a Unity Game Engineer, you will be responsible for designing and constructing presentation layers within the Unity engine. Your role will involve shaping the UI layer of a global game library developed in Unity, constructing scalable systems to deliver intuitive user experiences, elegant interfaces, and top-notch performance for various game titles.
Responsibilities:
Take the lead in designing and implementing fundamental UI frameworks used across different game titles.
Translate UI/UX designs into efficient Unity C# implementations.
Develop shared UI component libraries to promote consistency and reusability.
Optimize localization systems to facilitate multi-language releases.
Create custom Unity editor tools and workflows to support designers and developers.
Ensure optimal UI performance on target platforms regarding draw calls, memory usage, and responsiveness.
Actively participate in code reviews and collaborate in cross-team technical planning.
Requirements:
Minimum of 3 years of professional software development experience.
Proficiency in C# and Unity, specifically in UI domains like uGUI or UI Toolkit.
Strong grasp of asset pipelines, asynchronous coding patterns, and performance optimization in Unity.
Experience in implementing scalable UI architectures such as MVVM/MVC/MVP.
Familiarity with localization strategies and tools.
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.