AIエンジニア

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)

About Us
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
 
Full-Stack Developers
 
Backend and frontend development for web platform
Experience with game-related web services preferred
 
Mobile Developers
 
Native mobile app development
Cross-platform experience valued
 
Unity Developers
 
Gameplay mechanics implementation
3+ years Unity experience required
 
3D Web Developers
 
WebGL and Three.js expertise
Browser-based 3D rendering experience
 
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
 
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
 
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
 
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
 
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
 

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

** Mobile Live Operations Producer**

About the Company:

Deep expertise, personal and industry evolution, and impeccable craft are the foundational principles of Limit Break. We are led by global industry experts in mobile gaming, unlocking its potential beyond games to shape digital markets into real-world economies and vibrant communities. Our focus on technology, cryptocurrency, and creative vision aims to connect individuals worldwide.

Limit Break is backed by prominent investors including Buckley Ventures & Paradigm Ventures, as the crypto market continues to grow. Gaming stands at the forefront of this tech revolution.

About the Role:

We are in search of an experienced Mobile LiveOps Producer to join our team and contribute to shaping the future of web3 gaming. This position offers the opportunity for a knowledgeable professional to impact engineering in blockchain technologies.

Responsibilities:

Live Operations Management:

Strategically plan and oversee live events, promotions, and content updates to boost player engagement and retention.

Analyze key performance indicators to make data-driven decisions that optimize live operations strategies.

Coordinate with various teams to ensure successful implementation of live events and features.

Implement continuous process improvements to enhance operational efficiency.

Integration:

Collaborate with the development team to integrate features such as NFTs and game mechanics into live operations planning.

Stay updated on trends in web3 & Free to Play gaming and leverage these for enhancing the game experience.

Ensure seamless integration of web3 elements with a focus on player experience and data security.

Monetization and Retention:

Develop and execute monetization strategies including in-game purchases and NFT sales.

Utilize player behavior data for designing retention strategies tailored to different player segments.

Support marketing efforts for player acquisition and re-engagement campaigns.

Requirements:

Possess a minimum of 8 years of experience in mobile game live operations with a successful track record in managing live events.

Previous experience in Free to Play, web3, blockchain, and gaming integration is preferred.

Strong understanding of mobile gaming market dynamics, player behavior, and monetization strategies.

Proficient in project management, handling multiple projects concurrently.

Skilled in analytics tools and problem-solving with a data-driven approach.

Excellent communication and teamwork skills.

Passion for gaming, innovation, and the potential of web3 technologies in the gaming industry.

What’s Offered:

Competitive U.S. salary ranging from $95,000 to $180,000 USD depending on skills and experience. Limited Break, an international blockchain gaming company, is expanding globally, thereby valuing diversity in its workforce. All qualified applicants will be considered.

If you are a motivated professional seeking an exciting opportunity, apply to explore this new role at Limit Break.

Our client is a prominent creator of body motion video games running on their proprietary in-house device and is currently looking for a ML Engineer to join their forward-thinking engineering team focused on foundational technology.
The chosen candidate will play a crucial role in the development of indoor motion tracking technology utilizing consumer-grade hardware.

The ideal candidate will be involved in architecting and constructing essential infrastructure to expedite ML workflows and streamline model iteration velocity for researchers and applied scientists.

Responsibilities:

Lead the development and implementation of training pipelines, automated data workflows, and integration tools that can scale to meet research needs.

Establish systems for large-scale data collection, preprocessing, and curation to facilitate robust experimentation.

Develop tools that optimize experiment cycles, reduce turnaround time, and aid in the seamless transition of models to production.

Collaborate closely with ML researchers to address technical obstacles and enhance developer experience.

Support model serving pipelines and integrate ML elements with broader platform systems.

Requirements:

3+ years of experience in building production-grade machine learning systems, data infrastructure, or research platforms.

Proficiency in Python and at least one systems language such as C++, Go, Rust, Java.

Prior experience with PyTorch or TensorFlow in either production or research settings.

Demonstrated expertise in ML training pipelines, data workflows, and integration tooling.

Knowledge of model deployment and inference optimization (MLOps patterns).

Nice-to-haves:

Prior experience with GPU-accelerated computing, distributed training systems, and data versioning or experiment tracking tools.

Exposure to Docker/Kubernetes.

Contributions to open-source ML projects.