Senior Software Quality Assurance Engineer
Hong Kong
Full time
Office
Compensation is not specified
Role
QA Engineer
Description
About Us
OKX is a leading cryptocurrency spot and derivatives exchange that believes in reshaping the future with technology. Since its inception in 2017, OKX has been at the forefront of innovation by leveraging blockchain technology to offer diverse and sophisticated products, solutions, and trading tools. With over 20 million trusted users in 180 regions globally, OKX empowers individuals to explore the world of crypto through an engaging platform. In addition to its world-class DeFi exchange, OKX Insights, the research arm of OKX, stays ahead of the latest trends in the cryptocurrency industry. With a wide range of crypto products and an unwavering commitment to innovation, OKX envisions a world of financial access backed by blockchain and decentralized finance.
At OKX, we prioritize our people as much as technology. We foster a united, change-embracing culture where teams work together to achieve success and always strive to do the right thing. We are dedicated to creating a friendly, rewarding, and diverse environment for all our employees. Regardless of your background, everyone is valued, respected, and granted the same opportunities to grow and thrive. We are here to help you unleash your best.
Opportunity Overview
We are seeking talented Quality Assurance Engineers with a strong commitment to quality to work closely with developers and product managers. In this role, you will be responsible for creating detailed test plans and driving the execution of test cases. Our QA team places a strong emphasis on automated testing and utilizes cutting-edge automation technology to enhance software delivery efficiency. If you have a passion for shaping the next-generation crypto platform, we would love to have a conversation with you.
Responsibilities
- Review product requirements and technical architecture to identify potential risks in software quality and provide feedback to improve system robustness.
- Create customized and comprehensive test plans and cases, ensuring clear communication with key stakeholders in product and development teams.
- Execute test plans in managed testing environments and accurately document and track bugs.
- Develop automated testing solutions for API testing and end-to-end integration testing.
- Collaborate with the development team, participate in code reviews, identify gaps in system testability, and work towards comprehensive regression coverage that can be executed automatically.
Qualifications
- Experience in Software Quality Assurance or a related position.
- Solid education background in STEM (Science, Technology, Engineering, Mathematics).
- Proficiency with software development tools, such as Maven, Git, Tomcat, Jenkins, and Docker.
- Familiarity with mainstream Java open-source frameworks and middlewares, including Spring Boot, Kafka, Nacos, etc.
- Knowledge of at least one scripting language, such as Python or Javascript.
- Professional experience in utilizing or building automated testing tools.
- Strong teamwork spirit, excellent communication skills, and the ability to work independently.
- Willingness to learn all aspects of financial and crypto product offerings. Previous experience in the financial institution is preferred.
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
Not specified
Erfan Fa
I'm looking for an investor and a buyer for the passive token that goes back into the earnings cycle
Full time
Remote
🚀 For Sale: Complete Power Society (PSY) Brand PackageIncludes:• English Channel @powerSocietyEn• Main Channel @PowerSociety• Active Persian Community Group @powersocietyPSY_fa (4,000+ members)• English Group @coumpany_PSY_en• Domain PowersocietyPSY.comIdeal for crypto projects, community marketing, or brand development.Ready-made audience in the digital asset space.Serious buyers, please send your best offer.Payment accepted in crypto only (USDT / ETH).DM for details.
Payment in Crypto
Accurasofthire
Building a company site with MERN stack
Full time
Remote
🚀 We're Hiring | Senior MERN Stack Developer | 5–8 Years
We're looking for an experienced Senior MERN Stack Developer to join our team and work on scalable, high-performance web applications and enterprise-level software solutions.
📍 Location: Remote / Flexible
💼 Experience: 5–8 Years
Required Skills:
✅ Strong experience with MongoDB, Express.js, React.js, and Node.js (MERN Stack)
✅ Advanced JavaScript / TypeScript development
✅ Experience building scalable RESTful APIs and backend services
✅ Strong knowledge of React.js, Hooks, State Management (Redux/Zustand/Context API)
✅ Experience with Node.js, Express.js, and API architecture
✅ Database design and optimization with MongoDB
✅ Experience with HTML5, CSS3, Tailwind CSS, and modern frontend practices
✅ Knowledge of authentication, authorization, and security best practices
✅ Experience with Git, CI/CD, and Agile development workflows
What We're Looking For:
✔ Strong problem-solving and analytical skills
✔ Ability to design and develop clean, maintainable, and scalable code
✔ Experience working in Agile/Scrum environments
✔ Excellent communication and collaboration skills
✔ Self-driven mindset with attention to quality and technical excellence
✔ Ability to mentor junior developers and contribute to architectural decisions
We're looking for an experienced Senior MERN Stack Developer to join our team and work on scalable, high-performance web applications and enterprise-level software solutions.
📍 Location: Remote / Flexible
💼 Experience: 5–8 Years
Required Skills:
✅ Strong experience with MongoDB, Express.js, React.js, and Node.js (MERN Stack)
✅ Advanced JavaScript / TypeScript development
✅ Experience building scalable RESTful APIs and backend services
✅ Strong knowledge of React.js, Hooks, State Management (Redux/Zustand/Context API)
✅ Experience with Node.js, Express.js, and API architecture
✅ Database design and optimization with MongoDB
✅ Experience with HTML5, CSS3, Tailwind CSS, and modern frontend practices
✅ Knowledge of authentication, authorization, and security best practices
✅ Experience with Git, CI/CD, and Agile development workflows
What We're Looking For:
✔ Strong problem-solving and analytical skills
✔ Ability to design and develop clean, maintainable, and scalable code
✔ Experience working in Agile/Scrum environments
✔ Excellent communication and collaboration skills
✔ Self-driven mindset with attention to quality and technical excellence
✔ Ability to mentor junior developers and contribute to architectural decisions
SADR B
Founding Technical Partners for Oferli – Elite Web & Mobile Development Team🌐
Remote, USA
Remote, USA
Part time
Remote
I am Sadr, CEO of Oferli. We are building a high-performance, elite technical team, and I am looking for 5 to 10 dedicated founding technical partners to join me in this mission.
The Vision:
Oferli is a 100% decentralized ecosystem. While we are rooted in Web3, our expertise spans across professional web and mobile application development. We are not just another agency; we are crafting the next generation of digital solutions. Our goal is to set a new standard for excellence, transparency, and decentralization.
What I am looking for:
I am building a professional, senior-level "Elite Team." I am looking for partners who are truly passionate about the vision—not just short-term gains. By combining our individual expertise and portfolios, we will establish Oferli’s collective professional reputation.
Requirements:
Proven Expertise: You must be a senior-level professional. Please provide your portfolio showcasing your best work in web and mobile development.
Commitment: This is a founding partnership. We are looking for those who believe in the mission and are ready to tackle complex challenges together.
Professionalism: We operate with high standards. Communication and efficiency are key.
How We Work:
Collaboration: We use professional, secure channels for all communications. Qualified candidates will be contacted via email to be invited to our private workspace on Notion to align on our roadmap and launch our upcoming projects.
Decentralized Operations: We leverage Web3 tools for collaboration and compensation, maintaining a fully decentralized environment.
Growth: We are launching with a core team of at least 5 founding partners, scaling to 10, to deliver high-impact results for our clients.
Application Process:
If you are a senior professional ready to build a world-class, decentralized ecosystem, apply here on LaborX. Qualified candidates will be contacted via email for further professional vetting and onboarding.
Let’s build the future, together.
Sadr B
CEO, Oferli
The Vision:
Oferli is a 100% decentralized ecosystem. While we are rooted in Web3, our expertise spans across professional web and mobile application development. We are not just another agency; we are crafting the next generation of digital solutions. Our goal is to set a new standard for excellence, transparency, and decentralization.
What I am looking for:
I am building a professional, senior-level "Elite Team." I am looking for partners who are truly passionate about the vision—not just short-term gains. By combining our individual expertise and portfolios, we will establish Oferli’s collective professional reputation.
Requirements:
Proven Expertise: You must be a senior-level professional. Please provide your portfolio showcasing your best work in web and mobile development.
Commitment: This is a founding partnership. We are looking for those who believe in the mission and are ready to tackle complex challenges together.
Professionalism: We operate with high standards. Communication and efficiency are key.
How We Work:
Collaboration: We use professional, secure channels for all communications. Qualified candidates will be contacted via email to be invited to our private workspace on Notion to align on our roadmap and launch our upcoming projects.
Decentralized Operations: We leverage Web3 tools for collaboration and compensation, maintaining a fully decentralized environment.
Growth: We are launching with a core team of at least 5 founding partners, scaling to 10, to deliver high-impact results for our clients.
Application Process:
If you are a senior professional ready to build a world-class, decentralized ecosystem, apply here on LaborX. Qualified candidates will be contacted via email for further professional vetting and onboarding.
Let’s build the future, together.
Sadr B
CEO, Oferli
Payment in Crypto
Grosvenor Capital Brokers Ltd.
Junior Crypto Market Analyst (Remote)
Part time
Remote
Responsibilities:
* Monitoring the cryptocurrency market and tracking market trends in real time
* Analysing news, market data and blockchain metrics
* Preparing internal reports and maintaining analytical documentation
* Participating in team discussions and working meetings
* Adhering to internal processes and working standards
* Continuously developing professional skills through training and mentoring
Requirements:
* An interest in cryptocurrencies, blockchain technologies and financial markets
* Analytical thinking and the ability to work with information
* Attention to detail, responsibility and discipline
* Ability to maintain concentration in a highly dynamic market environment
* Willingness to learn, work as part of a team and take on board feedback
* Trading experience is not essential; training is provided for beginners
* A stable internet connection and the ability to be contactable during working hours
Conditions:
* Fully remote working arrangement
* Flexible working hours
* Paid training and support from mentors
* Opportunities for career progression and professional development
* Access to state-of-the-art digital asset analytics tools
Working arrangement: Full-time
Location: Remote / Worldwide
Key skills:
* Data analytics
* Financial reporting
* Cryptocurrencies
* Attention to detail
* Monitoring the cryptocurrency market and tracking market trends in real time
* Analysing news, market data and blockchain metrics
* Preparing internal reports and maintaining analytical documentation
* Participating in team discussions and working meetings
* Adhering to internal processes and working standards
* Continuously developing professional skills through training and mentoring
Requirements:
* An interest in cryptocurrencies, blockchain technologies and financial markets
* Analytical thinking and the ability to work with information
* Attention to detail, responsibility and discipline
* Ability to maintain concentration in a highly dynamic market environment
* Willingness to learn, work as part of a team and take on board feedback
* Trading experience is not essential; training is provided for beginners
* A stable internet connection and the ability to be contactable during working hours
Conditions:
* Fully remote working arrangement
* Flexible working hours
* Paid training and support from mentors
* Opportunities for career progression and professional development
* Access to state-of-the-art digital asset analytics tools
Working arrangement: Full-time
Location: Remote / Worldwide
Key skills:
* Data analytics
* Financial reporting
* Cryptocurrencies
* Attention to detail
David Rutkovsky
Chief Technology Officer (CTO) / Senior Full-Stack Developer (Web3)
London, UK
London, UK
Full time
Remote
About the Role
We are building a next-generation Web3 social platform designed to redefine how digital communities connect, collaborate, and grow.
Backed by years of experience within the cryptocurrency, blockchain, and digital asset ecosystem, our team has developed deep insights into how founders, developers, investors, creators, and communities interact. This understanding inspired us to create a platform that goes beyond financial applications and focuses on empowering meaningful social engagement.
Our mission is to build a transparent, community-driven social network where users can share ideas, collaborate on projects, discover opportunities, and create lasting relationships. We believe the next evolution of social media will be powered by decentralized technologies while maintaining an exceptional user experience, simplicity, and long-term sustainability.
We are seeking an experienced Chief Technology Officer (CTO) or Senior Full-Stack Developer who is passionate about Web3 and capable of leading the technical vision, architecture, and execution of our platform from the ground up.
Responsibilities
Lead the technical strategy and product architecture.
Design and build scalable backend systems and modern frontend applications.
Develop high-performance APIs and real-time features.
Integrate blockchain technologies, wallets, and Web3 authentication where appropriate.
Build secure, reliable, and maintainable infrastructure.
Collaborate closely with product, design, and leadership teams.
Establish engineering best practices, code quality standards, and development workflows.
Mentor engineers and help grow the technical organization.
Evaluate emerging technologies and implement solutions that improve scalability, security, and user experience.
Requirements
5+ years of professional software development experience.
Strong experience with modern JavaScript/TypeScript ecosystems.
Experience with React, Next.js, Node.js, or similar technologies.
Solid understanding of system architecture, cloud infrastructure, databases, and API design.
Experience building scalable consumer-facing products.
Familiarity with blockchain technologies, Web3 infrastructure, wallets, smart contracts, or decentralized applications.
Strong knowledge of security best practices and application performance optimization.
Excellent problem-solving and communication skills.
Ability to work independently in a fast-paced startup environment.
Preferred Qualifications
Experience building Web3 or crypto products.
Understanding of decentralized identity, token ecosystems, or on-chain social applications.
Experience leading engineering teams or serving in a technical leadership role.
Background in DevOps, CI/CD, Docker, Kubernetes, or cloud platforms such as AWS or GCP.
Experience with real-time messaging, social platforms, or community products.
What We Offer
Competitive full-time compensation.
Opportunity to build a product from an early stage with significant technical ownership.
Flexible and remote-friendly work environment.
Collaborative team focused on innovation and long-term impact.
Work on cutting-edge Web3 technologies and help shape the future of digital communities.
Opportunity for career growth and leadership as the platform scales.
If you are excited about building the next generation of Web3 social experiences and want to make a meaningful impact from the earliest stages, we'd love to hear from you.
We are building a next-generation Web3 social platform designed to redefine how digital communities connect, collaborate, and grow.
Backed by years of experience within the cryptocurrency, blockchain, and digital asset ecosystem, our team has developed deep insights into how founders, developers, investors, creators, and communities interact. This understanding inspired us to create a platform that goes beyond financial applications and focuses on empowering meaningful social engagement.
Our mission is to build a transparent, community-driven social network where users can share ideas, collaborate on projects, discover opportunities, and create lasting relationships. We believe the next evolution of social media will be powered by decentralized technologies while maintaining an exceptional user experience, simplicity, and long-term sustainability.
We are seeking an experienced Chief Technology Officer (CTO) or Senior Full-Stack Developer who is passionate about Web3 and capable of leading the technical vision, architecture, and execution of our platform from the ground up.
Responsibilities
Lead the technical strategy and product architecture.
Design and build scalable backend systems and modern frontend applications.
Develop high-performance APIs and real-time features.
Integrate blockchain technologies, wallets, and Web3 authentication where appropriate.
Build secure, reliable, and maintainable infrastructure.
Collaborate closely with product, design, and leadership teams.
Establish engineering best practices, code quality standards, and development workflows.
Mentor engineers and help grow the technical organization.
Evaluate emerging technologies and implement solutions that improve scalability, security, and user experience.
Requirements
5+ years of professional software development experience.
Strong experience with modern JavaScript/TypeScript ecosystems.
Experience with React, Next.js, Node.js, or similar technologies.
Solid understanding of system architecture, cloud infrastructure, databases, and API design.
Experience building scalable consumer-facing products.
Familiarity with blockchain technologies, Web3 infrastructure, wallets, smart contracts, or decentralized applications.
Strong knowledge of security best practices and application performance optimization.
Excellent problem-solving and communication skills.
Ability to work independently in a fast-paced startup environment.
Preferred Qualifications
Experience building Web3 or crypto products.
Understanding of decentralized identity, token ecosystems, or on-chain social applications.
Experience leading engineering teams or serving in a technical leadership role.
Background in DevOps, CI/CD, Docker, Kubernetes, or cloud platforms such as AWS or GCP.
Experience with real-time messaging, social platforms, or community products.
What We Offer
Competitive full-time compensation.
Opportunity to build a product from an early stage with significant technical ownership.
Flexible and remote-friendly work environment.
Collaborative team focused on innovation and long-term impact.
Work on cutting-edge Web3 technologies and help shape the future of digital communities.
Opportunity for career growth and leadership as the platform scales.
If you are excited about building the next generation of Web3 social experiences and want to make a meaningful impact from the earliest stages, we'd love to hear from you.
Payment in Crypto