Senior Engineer - Frontend (Platform Team)
Who We Are At OKX, we are dedicated to leveraging technology to shape the future. Since its establishment in 2017, OKX has emerged as a prominent player in the global market for cryptocurrency spot and derivatives exchanges. Through the innovative use of blockchain technology, OKX has transformed the financial landscape by offering a wide array of advanced products, solutions, and trading tools. Trusted by a user base exceeding 20 million across 180 regions worldwide, OKX is committed to providing a dynamic platform that enables individuals to delve into the realm of cryptocurrencies. Alongside its esteemed DeFi exchange, OKX also equips users with OKX Insights, a research department at the forefront of the latest developments in the cryptocurrency sector. Possessing an extensive range of crypto services and a staunch commitment to innovation, OKX envisions a realm of financial inclusivity supported by blockchain technology and decentralized finance.
We deeply value our personnel and strive to cultivate a culture that fosters teamwork, adaptability to change, and ethical conduct. At OKX, we are dedicated to creating a welcoming, gratifying, and diverse environment for our team members. Regardless of background, every individual is prized, respected, and provided with equal opportunities for growth and success – our aim is to bring out the best in you.
About the Team The OKX Frontend Platform Team is tasked with managing the frontend operations of the company's B-side website. Comprising members from reputable internet firms locally and globally, the team cultivates a robust technical environment. Demonstrating proactivity, a keen aptitude for learning, and a collaborative spirit, team members uphold mutual support, fostering collective advancement.
What You’ll Be Doing:
Engage in internal platform system development, capable of autonomously executing subsystem design, development, and upkeep.
Enhance system performance, fortify stability, and bolster security.
Prioritize user experience by perpetually refining system usability.
Collaborate with fellow engineers in development to ensure code robustness and reliability through team-led design and code reviews
What We Look For In You:
Proficient in JavaScript, HTML, CSS, and adept in utilizing Node.js. Capable of meeting team standards for efficiency, quality, and timely product delivery.
Approach problems from a user-centric perspective and maintain a constant dedication to enhancing user experience. Continuously acquire, analyze, and implement user feedback to drive improvements.
Skilled in React, possessing a foundational comprehension of components, lifecycles, and DOM updating mechanisms. Stay abreast of recent developments in the frontend domain to optimize and elevate the efficiency and quality of the frontend team's work.
Familiarity with state management frameworks like Redux, MobX, Vuex, with a strong emphasis on comprehending the foundational aspects and procedures of state management.
Exhibit a robust attention to code quality, acknowledging the significance of high-quality code for the system's maintainability. Collaborate with frontend peers to uphold code quality standards through rigorous code reviews and design assessments.
Have a basic grasp of software engineering principles, understand feature development lifecycles, possess fundamental requirements management knowledge, and exhibit exposure to continuous integration concepts and tools.
Demonstrate a fervor for frontend development, a willingness to stay abreast of its rapid evolution, and a passion for exploring cutting-edge technologies.
Nice to Haves:
Some knowledge of frontend performance optimization, with a preference for practical experience in this area.
Understanding of browser principles is an advantage.
Experience in a large-scale enterprise, familiarity with DevOps, is beneficial.
Previous involvement in the development of large-scale projects is desirable.
Full Stack Developer (Web3/Crypto)
Over the next 4–6 months, we’re rolling out four standalone products - including a Web3 project directory, a community engagement platform, and other tools designed to drive discovery and visibility across the space. You’ll have end-to-end ownership of what you ship.
Tech Stack & Skills:
React / Next.js or similar (full stack comfort)
Node.js, Firebase, or lightweight backend setups
CMS integration (Sanity, Notion, Airtable, etc.)
REST APIs, data scraping, automation
Strong grasp of Web3 (tokens, on-chain data, dApps)
Bonus: Vercel, CoinMarketCap API, any Web3 SDKs
Who this is for:
You’ve built and shipped products solo or with small teams
You’re crypto-native and enjoy exploring new tools/protocols
You’re fast, self-driven, and prefer ownership to micromanagement
You write clean code but iterate quickly
What Success Looks Like (First 60 Days)
Launch 1–2 working products with CMS and frontend live
Build automation for token sourcing + database updates
Deliver clean UIs with fast-loading pages and working filters
Support backend tools for campaign dashboards or scraping
Details
Full-time (contractor, with option to go permanent)
Remote + async (Europe/Asia timezone preferred)
Competitive base + performance bonuses
No corporate fluff - just fast builds, useful products, and full ownership
To apply:
Send GitHub, portfolio, or 1–2 examples of tools you’ve built solo or in a small team - especially anything Web3-related.
UI/UX Designer
Job Summary:
We're building ClearTrack, a lightweight SaaS tool for tracking tasks and performance in remote teams. We're looking for a UI/UX designer to design 6–8 clean, modern dashboard screens (desktop + mobile).
Scope of Work:
1. Design dashboard UI (Task List, Time Tracker, Reports, Settings)
2. Create responsive mockups in Figma
3. Deliver clickable prototype + style guide
4. Collaborate with our developer for smooth handoff
Budget:
Fixed: $800–$1200 (negotiable based on experience)
Requirements:
1. SaaS/dashboard UI design experience
2. Proficiency in Figma
3. Strong communication & fast turnaround
To Apply:
If you're interested, please:
1. Send a short proposal letter explaining why you're a good fit
2. Share your portfolio (SaaS/dashboard preferred)
3. Include your email address
4. Mention your availability and estimated delivery time
Bonus if you have:
Experience designing admin panels or productivity tools
Chief Technology Officer (Japanese Speaking)
Bitcastle is a cryptocurrency exchange 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-Time Japanese speaking Chief Technology Officer to lead our engineering team.As frequent communication with Japan and Vietnam entities is required, this role will require Japanese language proficiency and will be fully remote at the moment.
– Formulate strategy and establish the technical vision for the business
– Preparation of specifications and design documents for product development
– Project management of the development process, including quality control
– Define and refine engineering workflows, tech architecture and infrastructure
– Build, develop, lead a world class engineering team
Requirements:
– Experience as a CTO or in a similar technology leadership role in cryptocurrency exchanges or brokerage firms.
– Strong leadership capabilities – with proven success of building, developing and leading an engineering team
– Experience in development using Python, PHP and NodeJS
– Project management experience
– Business level English
– Business level Japanese language skills (JLPT N2 and above) to communicate with Japan and Vietnam entity without need for translator
Ideal Candidate:
– Has project management experience
– Has experience as CTO or similar role in a startup
– Knowledge and interest in cryptocurrency
Project Frameworks and Languages:
– Backend: nestJS(Node JS), Laravel (PHP),Python
– Database: Redis, My SQL
– Frontend: Vue JS
– Mobile: React Native, Android Native, Swift
– DevOps: Git, CI/CD, Docker, Jenkins, GitLabCD
– Cloud: AWS
Web3 Gaming Platform Development Team
A fastest growing Blockchain company is looking to create a decentralized gaming platform that empowers players and developers alike. We are currently seeking to build a talented team to bring their vision to life.
Position Overview
We are looking for skilled professionals to join our development team for a Web3 gaming platform. The ideal candidates will be passionate about blockchain technology and gaming, and possess the expertise to contribute to various aspects of our project. We are hiring for the following roles:
1. Frontend Developers
Responsibilities: Design and implement user interfaces for the gaming platform using modern frameworks (e.g., React, Vue.js). Collaborate with UX/UI designers to create engaging and intuitive user experiences.
Qualifications: Proficiency in HTML, CSS, JavaScript, and relevant frameworks. Experience with Web3 technologies is a plus.
2. Backend Developers
Responsibilities: Develop and maintain server-side logic, database management, and API integration. Ensure the platform's performance, security, and scalability.
Qualifications: Strong knowledge of Node.js, databases (e.g., MongoDB, PostgreSQL), and experience with cloud services. Familiarity with blockchain technology is advantageous.
3. Blockchain Developers
Responsibilities: Design and implement smart contracts, manage blockchain integrations, and ensure the security of decentralized applications. Collaborate with the team to optimize blockchain performance.
Qualifications: Expertise in Solidity, JavaScript, Rust, or Python. Experience with Ethereum and other blockchain platforms is essential.
4. Technical Leader
Responsibilities: Oversee the technical direction of the project, mentor team members, and ensure best practices in development. Collaborate with stakeholders to align technical goals with business objectives.
Qualifications: Proven experience in leading development teams, strong problem-solving skills, and a deep understanding of blockchain technologies.
5. Project Manager
Responsibilities: Manage project timelines, resources, and deliverables. Facilitate communication between team members and stakeholders, ensuring that the project stays on track and within budget.
Qualifications: Strong organizational and leadership skills, experience in project management methodologies (Agile, Scrum), and familiarity with the gaming and blockchain industries.
What We Offer
Competitive salaries and benefits
A dynamic and collaborative work environment
Opportunities for professional growth and development
The chance to be part of an innovative project that shapes the future of gaming
How to Apply
If you are passionate about gaming and blockchain technology and are excited to contribute to a groundbreaking project, we would love to hear from you! Please submit your resume and a cover letter detailing your relevant experience and why you would be a great fit for our team.
Join us in creating the next generation of gaming experiences!
Project Manager / Coordinator
Our team is already working on our first product, and we need someone to help organize workflows, tasks, and team communication.
Responsibilities:
🔹 Manage task boards (Trello/ClickUp) and monitor progress
🔹 Assign tasks to SEO, designers, researchers, copywriters
🔹 Help the founder plan weekly/monthly sprints
🔹 Track deadlines and team priorities
🔹 Coordinate communication via Discord/Telegram
🔹 Maintain documentation and workflows in Notion
Format:
🔸 Remote
🔸 Part-time (5–10 hrs/week)
🔸 Initially unpaid (pre-revenue), with transition to paid/fixed/percentage model
🔸 Flexible hours, informal startup environment
🔸 Opportunity to grow into a full Product Manager role
Requirements:
Experience in coordinating small teams or organizing workflows
Familiar with Trello, Notion, ClickUp, or similar tools
Strong communication and self-management skills
Bonus: basic understanding of SEO/digital projects
English: able to read and write messages