Senior Engineer - (Liquidity Platform - Structured OTC)
Who We Are
At OKX, we are firm believers that the future is shaped by technological advancements. Established in 2017, OKX stands out as a prominent cryptocurrency spot and derivatives exchange globally. Leveraging blockchain technology, OKX is dedicated to reshaping the financial landscape by offering a diverse array of innovative products, solutions, and trading tools. Trusted by over 20 million users spanning more than 180 regions worldwide, OKX aims to provide a dynamic platform that enables individuals to delve into the realm of cryptocurrencies. Alongside its top-notch DeFi exchange, OKX also offers OKX Insights, a research division at the forefront of industry trends. With a wide range of crypto products and services and a steadfast focus on innovation, OKX envisions a future where financial access is bolstered by blockchain and decentralized finance.
Focused on fostering a positive workplace culture, we prioritize both our team members and technology. Embracing collaboration and adaptability, we strive for team success, progressive change, and ethical practices. Our commitment lies in creating an inclusive, supportive, and diverse environment for all employees, ensuring that each individual is valued, respected, and presented with opportunities to excel and grow.
About the Opportunity
The Liquidity Platform at OKX leverages cutting-edge technology to enhance all aspects of crypto trading. Through establishing high-speed connectivity to global crypto markets, offering strategy services for automated pricing and trading bots, enabling retrieval and analysis of high-frequency data using state-of-the-art technology, and deploying a micro frontend for efficient trading management, the Liquidity Platform ensures a seamless trading experience for users.
If you are a technology enthusiast enthusiastic about crypto trading and automated algorithmic trading bots, we want to connect with you.
We are in search of a Java Software Engineer to join the Liquidity Platform Structure Product Engineering Team. As part of our team, you will collaborate closely with our liquidity manager to develop strategies using our proprietary strategy toolkit. Your responsibilities will involve working on application quality and risk management, strategic planning and problem-solving, collaborating with product managers, engineers, and liquidity managers, as well as facilitating effective communication.
Responsibilities
- Collaborate with the technical lead, liquidity managers, and product managers to discuss strategies and design technical solutions.
- Take ownership of the production environment for strategy development, enhancing features, and upgrading infrastructure to optimize performance.
- Continuously enhance strategies for stability, scalability, and robustness, ensuring they have auto-recovery capabilities for seamless 24/7 crypto trading.
- Lead projects by maintaining a deep understanding of the technical infrastructure and a comprehensive view of the product and business.
Qualifications
- Strong educational background in STEM fields (Science, Technology, Engineering, Mathematics).
- Extensive experience in application development.
- Proficiency in high-performance Java and asynchronous programming patterns.
- Familiarity with distributed systems and microservice architecture.
- Knowledge of common middleware such as Message Queue, RPC, and cache.
Desired Skills
- Experience in automated testing and continuous integration.
- Strong written and verbal communication skills, along with effective presentation abilities, strategic thinking, and analytical skills.
- Understanding of structured product pricing and quoting systems is advantageous.
Perks & Benefits
- Competitive total compensation package.
- Comprehensive insurance coverage for employees and their dependents.
- Additional benefits will be detailed throughout the application process.
Senior iOS developer for GameDev startup
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)
Rust/blockchain
Chief Business Development Officer (CBDO)
Key Responsibilities:
Develop and execute comprehensive business development strategies aligned with company vision
Identify and pursue strategic partnerships, collaborations, and integration opportunities with protocols, exchanges, and web3 projects
Lead negotiations for high-value deals and partnerships
Build and maintain relationships with key stakeholders, investors, and industry leaders
Analyze market trends and competitive landscape to identify growth opportunities
Represent the company at conferences, events, and in the broader crypto community
Collaborate with product, marketing, and technical teams to align BD initiatives
Drive revenue growth through new channels and business models
Manage and mentor the business development team
Report directly to CEO on BD performance metrics and pipeline
Quant Researcher Lead
Responsibilities:
Set research priorities and team roadmap
Lead and mentor the quantitative research team
Develop cutting-edge trading strategies and methodologies
Present research findings to leadership and stakeholders
Quant / Engineer Prediction Markets
We gift Claude Code Max 20x subscription (1-12 month) for successful referral
You must have heard about some of this projects: Polymarket, Kalshi, Opinion
We do:
- 15min crypto options market-making
- arbitrage with Binance
- insider-identifying directional bets
- mid frequency copy trading
- to be continued…
We value tier-1 engineers and quants.
Our team:
- worked in top tier high freq trading hedge funds (binance, okx, …)
- made infrastructure for onchain data (solana, base, hyperliquid, …)
- won IOI and kaggle competitions
We are ready to onboard 2 people to our team
Quant: research & improve strategies, backtest, reverse other traders
Engineer: making high performance data providers and trading engine
Nice to have some from you:
- Top tier education
- Understanding of MEV and onchain arbitrage/market-making
- Experience in trading, crypto or traditional markets
- Other relevant background
What we offer:
- Top market salary and profit sharing
- Unique and challenging tasks
- Strong team and growth