Security Development Engineer
About Us:
At OKX, we are at the forefront of reshaping the future using cutting-edge technology. Since our establishment in 2017, we have been leading a digital revolution with our advanced digital asset exchange, Web3 portal, and blockchain ecosystems. Our commitment to innovation is evident in the sophisticated products and solutions we offer, transforming the financial ecosystem. Trusted by over 50 million users across 180 countries, OKX is empowering individuals to explore the world of Web3. With a diverse range of products and a strong focus on innovation, we envision a future of financial accessibility supported by blockchain and decentralized finance.
We are dedicated to innovative thinking, creating impactful products, and actively contributing to social welfare initiatives. With a global team of over 3,000 employees, we embrace diversity and inclusion as the key to long-term value creation in the industry. Join us in shaping the future!
Your Role:
Develop and maintain scanning tools for DevSecOps, including task and resource scheduling systems.
Integrate security practices across the software development lifecycle, covering design, development, testing, and deployment phases.
Monitor and operate the performance of the DevSecOps platform, ensuring its safety and stability.
Collaborate with the development team to meet security requirements and enhance security standards continuously.
Qualifications:
Minimum 5 years of backend development experience, proficient in Golang, Java, or Python.
Proficiency in SAST, DAST, IAST principles with extensive practical knowledge.
Expertise in Kubernetes, containers, and microservices.
Strong background in database design and optimization, with knowledge of SQL and NoSQL databases.
Familiarity with common network protocols, security mechanisms, client vulnerabilities, and mitigation techniques.
Excellent problem-solving skills and ability to collaborate effectively within a team.
Strong communication skills for productive collaboration with team members and other departments.
Preferred familiarity with network security and vulnerability analysis.
Benefits:
- Competitive compensation package
- Learning and Development programs, Education subsidies
- Team building activities, Company events
- Wellness benefits, Meal allowances
- Comprehensive healthcare coverage for employees and dependents
- More perks to be discussed throughout the hiring process.
Recruiter, Marketer, Advertiser, Business Developer
Open roles
- Marketer
- Business Developer
- Recruiter
- Advertiser
Requirements
- Clear natural English communication without translators or AI
- Professional fast and reliable
- Fluent in your native language
If you want to be part of something early and actually make an impact — reach out
Web3 Fullstack Developer
Neonflick is a tech organization specializing in Web3 development.
We believe Web3 solutions are not as popular as they could be — mainly due to complexity. Our mission is to simplify the user experience and make decentralized technology more accessible and easy to use for everyone.
🚀 About the Role
We are looking for a Web3 Fullstack Developer who is passionate about decentralized technologies and excited to contribute to building meaningful Web3 products. You will work on developing new products, improving existing ones, and fixing bugs, all while proposing innovative ideas to enhance our platform.
🔹 Responsibilities
Develop functional and user-friendly Web3 products
Improve and optimize existing products and features
Identify and fix bugs or issues in the system
Propose and implement new ideas for product development
Collaborate with the team to ensure high-quality software delivery
🔹 Requirements
Strong interest in Web3 / blockchain / decentralized technologies
Fullstack development experience (frontend + backend)
Experience with smart contracts and decentralized frameworks is a plus
Problem-solving skills and attention to detail
Ability to work independently and proactively
🔹 What You Get
Early-stage involvement in a Web3 tech organization
Influence over product development and feature design
Opportunity to build experience and a portfolio in the Web3 space
Potential long-term collaboration and future compensation as the project grows
A chance to contribute to making Web3 simpler and more accessible
⚠️ Important
This is an unpaid position. We are looking for someone motivated by vision, learning, and long-term impact rather than immediate salary.
If you are passionate about Web3 and building meaningful decentralized products, we’d love to hear from you.
Senior Blockchain Developer - Ethereum/PulseChain - GAM3S.GG
We're looking for a Senior Blockchain Developer with strong Ethereum/PulseChain smart contract experience to work on our DeFi/GameFi platform. You'll be building and maintaining betting contracts, yield farming mechanisms, token swap systems, and Web3 frontend integrations for our decentralized application on PulseChain.
Key Responsibilities
Smart Contract Development
System Architecture & Integration
Frontend Web3 Integration
Security & Compliance
Performance & Monitoring
Required Technical Skills
Blockchain Expertise
Frontend Web3 Development
Development Tools
Integration & Tools
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)