(Senior) Software Engineer – Mobile Developer (Android/iOS)
Hong Kong
Full time
Office
Compensation is not specified
Role
Mobile Developer
Description
Mobile Software Engineer at OKX
Who We Are
OKX is a leading cryptocurrency exchange that believes in reshaping the future with technology. Founded in 2017, we have innovatively adopted blockchain technology to reshape the financial ecosystem by offering diverse and sophisticated products, solutions, and trading tools. Trusted by over 20 million users worldwide, we strive to provide an engaging platform that empowers individuals to explore the world of crypto. In addition to our world-class DeFi exchange, we have a research arm, OKX Insights, that stays at the forefront of the latest trends in the cryptocurrency industry. With our extensive range of crypto products and services, we envision a world of financial access backed by blockchain and decentralized finance.
We invest in our people and cultivate an engaging culture where we win as a team and embrace change. We are committed to creating a friendly, diverse, and rewarding environment for all. We value and respect individuals from all backgrounds and provide equal opportunities for development and growth.
About the Opportunity
As a Mobile Software Engineer at OKX, you will be responsible for building and maintaining the core OKX app, with millions of daily active users. You will collaborate with design, product, and engineering teams to identify customer needs and deliver high-quality new features through fast iterations. This opportunity will allow you to learn the full life cycle of a crypto mobile application, including pro/retail trading, asset management, and wallet.
What You’ll Be Doing
- Work as part of a global mobile team to develop new features for the iOS and Android apps.
- Optimize performance to maximize customer satisfaction.
- Stay updated on industry trends and evaluate new solutions to address business needs.
- Translate design ideas into scalable quality features for millions of users.
- Collaborate with global development teams to deliver customized solutions for international users while maintaining architectural consistency.
- Maintain high-quality technical documentation and improve efficiency in cross-office and timezone cooperation.
What We Look For In You
- Experience in either native iOS/Android development or cross-platform solutions like ReactNative/Flutter/Lua.
- Proficiency in at least one of the following languages: Java, Objective-C, Swift, or JavaScript.
- Understanding of common data structures and algorithms.
- Familiarity with agile development processes including TDD, CI, and Scrum.
- Passion for mobile technology and building applications for a large user base.
Apply here
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
OKX is a world-leading digital asset exchange, providing advanced financial services to traders worldwide leveraging blockchain technology.
Our platform offers spot & derivatives trading helping traders optimize their strategy. It provides a safe, reliable and stable environment for digital assets trading via web interface and mobile app by adopting GSLB, and distributed server clusters.
We believe blockchain technology will eliminate barriers to transactions, increase the efficiency of transactions across society, and eventually have a significant impact on the global economy. We strive to achieve something that changes the world and never stop to innovate and improve on our customer experience.
Everyvote
Backend Developer
New York, USA
New York, USA
Full time
Remote
About Us:
GP Vote is an innovative startup dedicated to transforming the democratic process through a cutting-edge voting platform integrated with blockchain technology. Our mission is to empower individuals to voice their opinions and shape collective decisions in a secure and transparent environment. We believe that every voice matters, and our platform fosters inclusivity by allowing users to propose titles and suggestions.
We are seeking a talented Frontend Developer with a strong background in React and TypeScript. The ideal candidate will have experience in Web3 and blockchain technologies, enabling them to contribute to our mission of delivering high-quality digital products.
Key Responsibilities:
Lead the migration of our backend systems from Express.js to ASP.NET.
Design, develop, and maintain scalable and secure backend services.
Collaborate with front-end developers to integrate user-facing elements using server-side logic.
Implement data storage solutions and ensure data integrity.
Develop and maintain APIs for mobile and web applications.
Optimize applications for maximum speed and scalability.
Monitor and troubleshoot issues in the production environment.
Stay updated with emerging technologies and trends in backend development, Web3, and Blockchain.
Required Qualifications:
Proven experience as a Backend Developer or similar role.
Strong proficiency in ASP.NET and C#.
Deep knowledge of backend development principles and best practices.
Proficient in database management (SQL, NoSQL).
Understanding of RESTful APIs and microservices architecture.
Experience with version control systems (e.g., Git).
Preferred Qualifications:
Experience with Web3 technologies (e.g., Ethereum, smart contracts).
Familiarity with Blockchain concepts and decentralized applications (dApps).
Knowledge of containerization technologies (Docker, Kubernetes).
Familiarity with CI/CD pipelines and DevOps practices.
Understanding of security best practices in backend development.
Benefits:
Competitive salary and performance-based bonuses.
Flexible working hours and remote work options.
Generous vacation policy and paid time off.
Health, dental, and vision insurance.
Professional development opportunities and access to online courses.
Collaborative and inclusive company culture.
Opportunities to work on cutting-edge technology in the Web3 and Blockchain space.
Team-building activities and company retreats.
How to Apply:
If you are excited about the opportunity to work with a forward-thinking company and have the skills we’re looking for, please send your resume and a cover letter to larry@everyvote.xyz.
Join us in shaping the future of voting technology!
GP Vote is an innovative startup dedicated to transforming the democratic process through a cutting-edge voting platform integrated with blockchain technology. Our mission is to empower individuals to voice their opinions and shape collective decisions in a secure and transparent environment. We believe that every voice matters, and our platform fosters inclusivity by allowing users to propose titles and suggestions.
We are seeking a talented Frontend Developer with a strong background in React and TypeScript. The ideal candidate will have experience in Web3 and blockchain technologies, enabling them to contribute to our mission of delivering high-quality digital products.
Key Responsibilities:
Lead the migration of our backend systems from Express.js to ASP.NET.
Design, develop, and maintain scalable and secure backend services.
Collaborate with front-end developers to integrate user-facing elements using server-side logic.
Implement data storage solutions and ensure data integrity.
Develop and maintain APIs for mobile and web applications.
Optimize applications for maximum speed and scalability.
Monitor and troubleshoot issues in the production environment.
Stay updated with emerging technologies and trends in backend development, Web3, and Blockchain.
Required Qualifications:
Proven experience as a Backend Developer or similar role.
Strong proficiency in ASP.NET and C#.
Deep knowledge of backend development principles and best practices.
Proficient in database management (SQL, NoSQL).
Understanding of RESTful APIs and microservices architecture.
Experience with version control systems (e.g., Git).
Preferred Qualifications:
Experience with Web3 technologies (e.g., Ethereum, smart contracts).
Familiarity with Blockchain concepts and decentralized applications (dApps).
Knowledge of containerization technologies (Docker, Kubernetes).
Familiarity with CI/CD pipelines and DevOps practices.
Understanding of security best practices in backend development.
Benefits:
Competitive salary and performance-based bonuses.
Flexible working hours and remote work options.
Generous vacation policy and paid time off.
Health, dental, and vision insurance.
Professional development opportunities and access to online courses.
Collaborative and inclusive company culture.
Opportunities to work on cutting-edge technology in the Web3 and Blockchain space.
Team-building activities and company retreats.
How to Apply:
If you are excited about the opportunity to work with a forward-thinking company and have the skills we’re looking for, please send your resume and a cover letter to larry@everyvote.xyz.
Join us in shaping the future of voting technology!
Payment in Crypto
Wallet
Senior Data Engineer
Full time
Remote
Wallet in Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
Now, we are seeking a Senior Data Engineer
Responsibilities:
Design and implement high-performance, reusable, and scalable data models for our data warehouse / BI.
Continuously discover, transform, test, deploy, and document data sources and data models.
Apply, help define, and champion data warehouse governance, including data quality, testing, documentation, coding best practices, and peer reviews.
Take the initiative to improve and optimize analytics engineering workflows and platforms.
Engage with cross-functional teams, including application developers and data analysts, to understand business requirements and deliver tailored data solutions.
Requirements:
Strong proficiency in SQL.
Significant experience with cloud providers.
Strong experience modeling data warehouses and building data pipelines.
Hands-on experience with data platforms and technologies like ClickHouse, Kafka, and Airflow.
Experience with Python for data processing will be a plus.
English knowledge (at least level B1) is required.
Why it is a fantastic opportunity:
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
Now, we are seeking a Senior Data Engineer
Responsibilities:
Design and implement high-performance, reusable, and scalable data models for our data warehouse / BI.
Continuously discover, transform, test, deploy, and document data sources and data models.
Apply, help define, and champion data warehouse governance, including data quality, testing, documentation, coding best practices, and peer reviews.
Take the initiative to improve and optimize analytics engineering workflows and platforms.
Engage with cross-functional teams, including application developers and data analysts, to understand business requirements and deliver tailored data solutions.
Requirements:
Strong proficiency in SQL.
Significant experience with cloud providers.
Strong experience modeling data warehouses and building data pipelines.
Hands-on experience with data platforms and technologies like ClickHouse, Kafka, and Airflow.
Experience with Python for data processing will be a plus.
English knowledge (at least level B1) is required.
Why it is a fantastic opportunity:
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.
Wallet
Frontend Engineer
Full time
Remote
Wallet in Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
Now we are seeking a Senior Frontend Engineer.
Responsibilities:
Regular work on improving frontend performance (abbreviations like FCP, TTFB should not scare you).
Collaborating with other frontend developers on complex architectural issues.
Writing and maintaining tests.
Developing and maintaining crucial dashboards: performance, errors.
Improving common parts of code: UI components, utils, hooks, etc.
Developing frontend tech strategy: picking new tools or deprecating old ones, prioritization of tech backlog, organizing large-scale refactorings.
Requirements:
5+ years of JS experience. We use TypeScript and React.
5+ years of CSS experience. We use CSS Modules + PostCSS.
Ability to work with static checkers: ESlint, Stylelint.
Understanding frontend building processes.
Understanding CI/CD processes.
Expertise in common web areas, such as networking, rendering, caching, etc.
Basic InfoSec knowledges: understanding common web vulnerabilities and types of atacks.
Why it is a fantastic opportunity
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
Now we are seeking a Senior Frontend Engineer.
Responsibilities:
Regular work on improving frontend performance (abbreviations like FCP, TTFB should not scare you).
Collaborating with other frontend developers on complex architectural issues.
Writing and maintaining tests.
Developing and maintaining crucial dashboards: performance, errors.
Improving common parts of code: UI components, utils, hooks, etc.
Developing frontend tech strategy: picking new tools or deprecating old ones, prioritization of tech backlog, organizing large-scale refactorings.
Requirements:
5+ years of JS experience. We use TypeScript and React.
5+ years of CSS experience. We use CSS Modules + PostCSS.
Ability to work with static checkers: ESlint, Stylelint.
Understanding frontend building processes.
Understanding CI/CD processes.
Expertise in common web areas, such as networking, rendering, caching, etc.
Basic InfoSec knowledges: understanding common web vulnerabilities and types of atacks.
Why it is a fantastic opportunity
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.
Tevaera
Front End Engineer
Atlanta, USA
Atlanta, USA
Full time
Remote
We are seeking a talented Front End Engineer who specializes in Blockchain & Crypto technology, as well as possesses expertise in Web, Mobile & Software Development. As a Front End Engineer, you will be working on designing and implementing user interfaces for our innovative projects in the Blockchain and Crypto space. You will collaborate with cross-functional teams to deliver cutting-edge solutions that enhance user experience and functionality.
Responsibilities:
- Develop user-friendly interfaces for web and mobile applications using the latest technologies and industry best practices.
- Collaborate with back-end developers to integrate front end components with server-side logic.
- Optimize applications for maximum speed and scalability.
- Ensure the technical feasibility of UI/UX designs.
- Stay updated on emerging trends and technologies in front end development.
Requirements:
- Proven experience as a Front End Engineer or similar role.
- Strong proficiency in Blockchain & Crypto technology.
- Extensive knowledge of Web, Mobile & Software Development.
- Proficiency with front end languages such as HTML, CSS, JavaScript.
- Experience with frameworks such as React, Angular, Vue.js.
- Familiarity with RESTful APIs.
- Excellent problem-solving skills and attention to detail.
- Strong communication and teamwork skills.
If you are passionate about front end development and have a keen interest in Blockchain & Crypto technology, we invite you to join our dynamic team and contribute to driving innovation in the industry.
Responsibilities:
- Develop user-friendly interfaces for web and mobile applications using the latest technologies and industry best practices.
- Collaborate with back-end developers to integrate front end components with server-side logic.
- Optimize applications for maximum speed and scalability.
- Ensure the technical feasibility of UI/UX designs.
- Stay updated on emerging trends and technologies in front end development.
Requirements:
- Proven experience as a Front End Engineer or similar role.
- Strong proficiency in Blockchain & Crypto technology.
- Extensive knowledge of Web, Mobile & Software Development.
- Proficiency with front end languages such as HTML, CSS, JavaScript.
- Experience with frameworks such as React, Angular, Vue.js.
- Familiarity with RESTful APIs.
- Excellent problem-solving skills and attention to detail.
- Strong communication and teamwork skills.
If you are passionate about front end development and have a keen interest in Blockchain & Crypto technology, we invite you to join our dynamic team and contribute to driving innovation in the industry.
Payment in Crypto
Wallet
Senior Frontend Engineer
Full time
Remote
Wallet in Telegram is your gateway to the world of digital currencies, specially tailored for individuals in emerging markets. We understand the complexities and intimidation often associated with existing crypto solutions, which is why we've designed the Wallet to be the ultimate user-friendly platform for managing finances. No need to open a traditional bank account or wrestle with convoluted crypto exchanges and wallets.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
Now we are seeking a Senior Frontend Engineer.
Responsibilities:
Regular work on improving frontend performance (abbreviations like FCP, TTFB should not scare you).
Collaborating with other frontend developers on complex architectural issues.
Writing and maintaining tests.
Developing and maintaining crucial dashboards: performance, errors.
Improving common parts of code: UI components, utils, hooks, etc.
Developing frontend tech strategy: picking new tools or deprecating old ones, prioritization of tech backlog, organizing large-scale refactorings.
Requirements:
5+ years of JS experience. We use TypeScript.
5+ years of CSS experience. We use CSS Modules + PostCSS.
Ability to work with static checkers: ESlint, Stylelint.
Understanding frontend building processes.
Understanding CI/CD processes.
Expertise in common web areas, such as networking, rendering, caching, etc.
Basic InfoSec knowledges: understanding common web vulnerabilities and types of atacks.
B2+ Level English.
Why it is a fantastic opportunity
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.
Leveraging the power of advanced blockchain technology, Wallet delivers a seamless onboarding experience into the crypto ecosystem. It enables users to effortlessly store, send, and receive digital currencies, all via the familiar interface of Telegram. Managing your finances becomes as simple as sending a message.
At Wallet, we're committed to using technology to disrupt traditional banking systems, providing our customers with more flexible and inclusive financial services. Whether you're a crypto novice or seeking to simplify your digital finance experience, Wallet is crafted with your needs in mind.
Now we are seeking a Senior Frontend Engineer.
Responsibilities:
Regular work on improving frontend performance (abbreviations like FCP, TTFB should not scare you).
Collaborating with other frontend developers on complex architectural issues.
Writing and maintaining tests.
Developing and maintaining crucial dashboards: performance, errors.
Improving common parts of code: UI components, utils, hooks, etc.
Developing frontend tech strategy: picking new tools or deprecating old ones, prioritization of tech backlog, organizing large-scale refactorings.
Requirements:
5+ years of JS experience. We use TypeScript.
5+ years of CSS experience. We use CSS Modules + PostCSS.
Ability to work with static checkers: ESlint, Stylelint.
Understanding frontend building processes.
Understanding CI/CD processes.
Expertise in common web areas, such as networking, rendering, caching, etc.
Basic InfoSec knowledges: understanding common web vulnerabilities and types of atacks.
B2+ Level English.
Why it is a fantastic opportunity
Our business is growing at an exponential scale.
Work in a well-funded startup environment with unique growth opportunities and a chance to join a rapidly growing company with a unique product.
Be based remotely.
Participation in the performance review and bonus programme.
Compensation for medical expenses.
Provision of necessary equipment.
Annual vacation of 20 working days plus 10 paid days off.
14 days of paid sick leave to support your health and recovery when needed.
Access to internal English courses for continuous learning and improvement in language skills.
Wallet is an equal opportunity employer.