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 Frontend)
Hong Kong
Hong Kong
Full time
Office
Our client, an innovative tech company that is transforming family entertainment with interactive, movement-based experiences, is in need of a Software Engineer to improve developer workflows and empower software teams in developing cutting-edge games.
They are looking for a skilled Unity Game Engineer to join their dynamic game development team in creating presentation layers within the Unity engine. The candidate will play a key role in designing the UI layer for a global game library in Unity, focusing on scalable systems that deliver intuitive user interfaces, seamless user experiences, and optimal performance across various game titles.
Responsibilities:
Lead the development of foundational UI frameworks utilized in multiple game titles.
Implement high-quality Unity C# code based on UI/UX designs.
Create shared UI component libraries to ensure consistency and reusability.
Design and optimize localization systems to support multilingual releases.
Develop custom Unity editor tools and workflows for designers and developers.
Improve UI performance metrics on target platforms such as draw calls, memory usage, and responsiveness.
Engage in code reviews and collaborate on technical planning across different teams.
Requirements:
Minimum of 3 years of professional software development experience.
Proficient in C# and Unity, with a focus on UI concepts like uGUI or UI Toolkit.
Strong grasp of asset pipelines, asynchronous programming patterns, and performance enhancement techniques within Unity.
Experience implementing scalable UI architectures such as MVVM/MVC/MVP.
Familiarity with localization strategies and tools.
They are looking for a skilled Unity Game Engineer to join their dynamic game development team in creating presentation layers within the Unity engine. The candidate will play a key role in designing the UI layer for a global game library in Unity, focusing on scalable systems that deliver intuitive user interfaces, seamless user experiences, and optimal performance across various game titles.
Responsibilities:
Lead the development of foundational UI frameworks utilized in multiple game titles.
Implement high-quality Unity C# code based on UI/UX designs.
Create shared UI component libraries to ensure consistency and reusability.
Design and optimize localization systems to support multilingual releases.
Develop custom Unity editor tools and workflows for designers and developers.
Improve UI performance metrics on target platforms such as draw calls, memory usage, and responsiveness.
Engage in code reviews and collaborate on technical planning across different teams.
Requirements:
Minimum of 3 years of professional software development experience.
Proficient in C# and Unity, with a focus on UI concepts like uGUI or UI Toolkit.
Strong grasp of asset pipelines, asynchronous programming patterns, and performance enhancement techniques within Unity.
Experience implementing scalable UI architectures such as MVVM/MVC/MVP.
Familiarity with localization strategies and tools.
Nahclimited
Software Engineer (Machine Learning)
Hong Kong
Hong Kong
Full time
Office
Our client operates as a top innovator in body motion video games on their proprietary gaming device. They are currently in search of a capable ML Engineer to join their adept engineering team. The team focuses on cutting-edge technology blending research with practical applications, particularly in developing indoor motion tracking technology using readily available consumer hardware.
The ideal candidate will be pivotal in supporting researchers and scientists through designing and constructing critical infrastructure. This infrastructure enhances ML workflows and the speed of model iteration, aiding in the acceleration of research endeavors.
Responsibilities include:
Designing and implementing training pipelines, automated data workflows, and integration tools that can meet the increasing demands of research.
Establishing robust systems for large-scale data collection, preprocessing, and curation to fortify experimentation processes.
Developing tools that streamline experiment cycles, reduce time-to-completion, and facilitate model transition to production.
Close collaboration with ML researchers to tackle technical challenges, enhancing the overall developer experience.
Supporting model deployment processes and seamlessly integrating ML aspects with broader platform systems.
Requirements:
Minimum of 3 years of experience in constructing high-quality machine learning systems, data infrastructure, or research platforms.
Proficiency in Python along with expertise in at least one systems programming language (e.g., C++, Go, Rust, Java).
Demonstrated experience in working with PyTorch or TensorFlow within production or research environments.
Strong track record in designing ML training pipelines, data workflows, and integration tools.
Understanding of model deployment and optimization for inference (MLOps practices).
Preferred Skills:
Knowledge in GPU-accelerated computing, distributed training systems, and data versioning or experiment tracking tools.
Exposure to Docker and Kubernetes platforms.
Contributions made to open-source ML projects.
Feel free to reach out if you have any questions or need further clarification on the role.
The ideal candidate will be pivotal in supporting researchers and scientists through designing and constructing critical infrastructure. This infrastructure enhances ML workflows and the speed of model iteration, aiding in the acceleration of research endeavors.
Responsibilities include:
Designing and implementing training pipelines, automated data workflows, and integration tools that can meet the increasing demands of research.
Establishing robust systems for large-scale data collection, preprocessing, and curation to fortify experimentation processes.
Developing tools that streamline experiment cycles, reduce time-to-completion, and facilitate model transition to production.
Close collaboration with ML researchers to tackle technical challenges, enhancing the overall developer experience.
Supporting model deployment processes and seamlessly integrating ML aspects with broader platform systems.
Requirements:
Minimum of 3 years of experience in constructing high-quality machine learning systems, data infrastructure, or research platforms.
Proficiency in Python along with expertise in at least one systems programming language (e.g., C++, Go, Rust, Java).
Demonstrated experience in working with PyTorch or TensorFlow within production or research environments.
Strong track record in designing ML training pipelines, data workflows, and integration tools.
Understanding of model deployment and optimization for inference (MLOps practices).
Preferred Skills:
Knowledge in GPU-accelerated computing, distributed training systems, and data versioning or experiment tracking tools.
Exposure to Docker and Kubernetes platforms.
Contributions made to open-source ML projects.
Feel free to reach out if you have any questions or need further clarification on the role.
Nahclimited
Software Engineer (Unity Multiplayer)
Hong Kong
Hong Kong
Full time
Office
Our hiring partner is a forward-looking technology company that is transforming family entertainment with interactive, movement-based activities. They are currently looking for a Software Engineer to optimize developer processes and support their software teams in creating innovative gaming experiences.
They seek a skilled Unity Game Engineer who will play a pivotal role in defining cutting-edge multiplayer gaming interactions. The role involves constructing real-time networked systems that enable players to engage in competitive and cooperative gameplay seamlessly across different devices, ensuring smooth gameplay and interactive social engagement.
Responsibilities:
Spearhead the development of real-time multiplayer gaming systems to ensure synchronized physics, actions, and scores on a global scale.
Design and enhance secure, tailored matchmaking and network features that cater to family-friendly gaming experiences.
Modify and enhance existing single-player codebases to seamlessly integrate multiplayer elements while maintaining game dynamics.
Address complex technical issues such as jitter compensation, bandwidth efficiency, and server-client coherence.
Collaborate closely with artists, designers, and core platform teams to deliver immersive connected gaming experiences.
Requirements:
3+ years of professional software development experience.
Proficiency in C# and Unity development.
In-depth knowledge of networking principles such as RPCs, state synchronization, and authority models.
Hands-on experience with Unity networking solutions like Photon Fusion, Mirror, or Netcode.
Strong grasp of asynchronous programming techniques.
They seek a skilled Unity Game Engineer who will play a pivotal role in defining cutting-edge multiplayer gaming interactions. The role involves constructing real-time networked systems that enable players to engage in competitive and cooperative gameplay seamlessly across different devices, ensuring smooth gameplay and interactive social engagement.
Responsibilities:
Spearhead the development of real-time multiplayer gaming systems to ensure synchronized physics, actions, and scores on a global scale.
Design and enhance secure, tailored matchmaking and network features that cater to family-friendly gaming experiences.
Modify and enhance existing single-player codebases to seamlessly integrate multiplayer elements while maintaining game dynamics.
Address complex technical issues such as jitter compensation, bandwidth efficiency, and server-client coherence.
Collaborate closely with artists, designers, and core platform teams to deliver immersive connected gaming experiences.
Requirements:
3+ years of professional software development experience.
Proficiency in C# and Unity development.
In-depth knowledge of networking principles such as RPCs, state synchronization, and authority models.
Hands-on experience with Unity networking solutions like Photon Fusion, Mirror, or Netcode.
Strong grasp of asynchronous programming techniques.