Blockchain.com
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Senior React Native Engineer
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Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.
We are looking for a Senior React Native Engineer to help us evolve our mobile architecture into a modular, multiplatform system. This role is focused on enabling rapid development of new consumer apps by composing reusable building blocks from our existing stack and delivering them through high-quality React Native applications.
This is a hands-on engineering role with significant ownership, where you will help define how we build and scale a new generation of mobile apps at Blockchain.com—making it possible to quickly launch new crypto experiences across iOS and Android.
WHAT YOU WILL DO
- Design and build scalable React Native applications powered by shared modules from our mobile and backend platforms
- Drive the architecture of a modular, reusable system, enabling rapid assembly of new apps from core building blocks (auth, wallet, trading, on-ramp/off-ramp, etc.)
- Define and enforce clear contracts and boundaries between modules, ensuring flexibility, reliability, and long-term maintainability
- Lead complex projects from technical design through delivery and iteration, working across multiple teams
- Translate ambiguous product ideas into well-structured technical plans, balancing speed, quality, and scalability
- Leverage AI-assisted development tools (e.g., Claude, Codex) to accelerate development, while setting standards for correctness, performance, and security
- Review, validate, and refine AI-generated code, ensuring it meets production-grade standards
- Drive the evolution of shared UI systems, component libraries, and developer tooling to improve velocity across teams
- Own the quality, performance, and reliability of the systems you build, including observability and debugging in production
- Mentor other engineers, contribute to code reviews, and help raise the engineering bar across the team
- Collaborate closely with Product, Design, Backend, and Mobile teams to deliver cohesive user experiences
- Support release processes, app store deployments, and ongoing improvements post-launch
WHAT YOU WILL NEED
- 5+ years of experience in software engineering, with strong hands-on experience in React Native
- Deep proficiency in JavaScript/TypeScript and modern mobile development practices
- Proven experience building and shipping production-grade mobile applications at scale
- Strong understanding of mobile architecture, modular systems, and scalable design patterns
- Experience owning features or systems from design through production and iteration
- Ability to navigate ambiguity and drive technical decisions with minimal oversight
- Experience integrating complex backend systems and APIs into mobile applications
- Strong experience leveraging AI developer tools (e.g., Claude, Codex) effectively in production workflows
- Excellent code quality standards, with the ability to review and guide others’ work
- Experience improving performance, reliability, and developer experience in mobile apps
- Strong communication skills and ability to influence cross-functional teams
NICE TO HAVE
- Experience with native mobile development (Swift, Kotlin, or Java)
- Experience designing or working on cross-platform or shared architecture systems
- Familiarity with crypto, wallets, or financial applications
- Experience integrating third-party services (e.g., payments, authentication, on-chain providers)
- Experience with CI/CD pipelines, release automation, and app store processes
- Exposure to secure key management, authentication flows, or MPC wallets
COMPENSATION & PERKS
- Competitive full-time salary based on experience and meaningful equity in an industry-leading company
- This is a role based in our Palermo office, with a mandatory in-office presence four days per week.
- The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry.
- Performance-based bonuses
- Apple equipment provided by the company
- Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.
Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.
You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.
Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.
Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.
Ready to apply?
Apply to Blockchain.com
Mid-Level React Native Engineer
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Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.
We are looking for a Mid-Level React Native Engineer to help us evolve our mobile architecture into a modular, multiplatform system. This role is focused on enabling rapid development of new consumer apps by composing reusable building blocks from our existing stack and delivering them through high-quality React Native applications.
This is a hands-on engineering role where you will contribute to a new way of building apps at Blockchain.com—making it possible to quickly launch new crypto experiences across iOS and Android.
WHAT YOU WILL DO
- Build and maintain React Native applications that leverage shared modules from our existing mobile and backend systems
- Contribute to a modular architecture that enables rapid assembly of new apps from reusable components (auth, wallet, trading, on-ramp/off-ramp, etc.)
- Collaborate with mobile, backend, and product teams to define clean interfaces between modules and ensure seamless integration
- Translate product ideas into shippable mobile experiences with a focus on speed, quality, and scalability
- Use AI-assisted development tools (e.g., Claude, Codex) to accelerate implementation, while ensuring correctness, performance, and maintainability
- Validate and review AI-generated code, maintaining a high bar for quality and security
- Contribute to shared UI patterns, component libraries, and developer tooling for faster app development
- Participate in the full development lifecycle: prototyping, building, testing, releasing, and iterating
- Support app store deployments, releases, and post-launch improvements
- Debug issues across the stack and improve reliability and performance of mobile apps
WHAT YOU WILL NEED
- 2–5 years of experience in software engineering, with hands-on experience in React Native
- Strong proficiency in JavaScript/TypeScript and modern mobile development practices
- Experience building and shipping production mobile apps (iOS and/or Android)
- Solid understanding of component-based architecture and modular design principles
- Ability to work with APIs and integrate complex backend-driven features
- Experience using AI developer tools (e.g., Claude, Codex) or strong interest in leveraging them effectively
- Strong attention to detail and ability to review and validate code for quality and correctness
- Familiarity with mobile performance, debugging, and testing best practices
- Good communication skills and ability to collaborate across teams
NICE TO HAVE
- Experience with native mobile development (Swift, Kotlin, or Java)
- Experience working on shared codebases or cross-platform architectures
- Familiarity with crypto, wallets, or financial applications
- Experience integrating third-party services (e.g., payments, authentication, on-chain providers)
- Experience with CI/CD pipelines and app store release processes
- Exposure to secure key management, authentication flows, or MPC wallets
COMPENSATION & PERKS
- Competitive full-time salary based on experience and meaningful equity in an industry-leading company
- This is a role based in our Palermo office, with a mandatory in-office presence four days per week.
- The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry.
- Performance-based bonuses
- Apple equipment provided by the company
- Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.
Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.
You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.
Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.
Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.
Ready to apply?
Apply to Blockchain.com
Front-End Engineer, Institutional
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Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.
We are looking for a Front-End Engineer to join our Institutional team in our London office. Blockchain.com is a high-performance culture marked by fearlessness and hyper productivity. You are a hardworking team player with a desire to learn and grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements.
WHAT YOU WILL DO
- Build out a new set of UIs for the institutional team, with deep consideration for UX and performance.
- Develop innovative visualizations of the user portfolio and responsive UIs.
- Work closely with our traders through implementation to build optimized and efficient internal tools.
- Write well-tested, reliable code for use by trading, operation and support teams with large amounts of data and live updates.
- Proactively collaborate with team members, ensuring the sharing of knowledge and efficient division of labor.
- Work on the most interesting and challenging problems in the cryptocurrency space.
- Get exposure to the latest technologies and developments in a technology and product driven company.
- Work on an industry-leading product with millions of users.
WHAT YOU WILL NEED
- The foremost quality for this position or any position at Blockchain.com is integrity.
- At least 2 years of experience working with JavaScript and client-side web applications preferred.
- Experience building innovative data visualizations.
- You thrive on learning new technologies and don’t believe in one-size-fits-all solutions. That being said, you can expect to work with React, TypeScript, NextJS, Styled Components
- You have experience with AI-assisted development tools like Cursor to enhance productivity and streamline coding workflow.
- You have experience interacting with crypto apps.
- You have experience working with Front-End architecture, testing and state management solutions.
- You should be able to adapt easily to meet the needs of our massive growth and rapidly evolving business environment.
- You rely on others' candid feedback for continuous improvement.
- You understand requirements beyond the written word and have a sharp eye.
- Strong analytical and problem solving skills.
COMPENSATION & PERKS
- Full-time salary based on experience and meaningful equity in an industry-leading company
- This is a role based in our London office, with a mandatory in-office presence four days per week.
- Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.
- ClassPass
- Unlimited vacation policy; work hard and take time when you need it
- Apple equipment
- The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field
- Flexible work culture
Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.
You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.
Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.
Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.
Ready to apply?
Apply to Blockchain.com
Front-End Engineer (React)
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Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.
We are looking for a Front-End Engineer with experience in crypto and Web3 technologies to join our engineering team and build the next-generation Blockchain apps. This is an opportunity to develop one of the most popular and visited websites in the crypto ecosystem. In this role, you will be responsible for delivering user interfaces that power future wallets, block explorers, financial and market data products, as well as innovative visualizations.
Our engineering teams are involved in all aspects of the product life cycle, from idea generation, design, prototyping, planning, execution and shipping.
WHAT YOU WILL DO
- You will be a part of Web Front-End team which oversees all Web UIs for consumer side of the business such as Wallet, DEX and crypto on-ramp
- Maintain and continuously improve existing applications serving millions of users, as well as develop new ones for cutting-edge crypto solutions
- Integrate both Web2 and Web3 technologies and APIs to enhance wallet and decentralized exchange (DEX) functionalities
- Collaborate closely with designers, Back-End engineers, and business stakeholders to deliver a best-in-class user experience
- Proactively collaborate with team members, sharing knowledge and ensuring efficient task distribution
- Advocate for best practices, code quality, and test coverage, while driving technical discussions within the team
WHAT YOU WILL NEED
- At least 3 years of experience working with Front-End technologies, with a focus on React, NextJS and TypeScript
- Strong software engineering fundamentals knowledge
- Ability to write secure, maintainable, and testable Front-End code
- Experience with blockchain technologies, cryptocurrencies, and Web3 development
- Ability to independently manage the full lifecycle of tasks, and take ownership of the quality of your work
- Excellent communication skills and collaborate effectively with team members across disciplines
- Hands-on experience with Front-End architectures and automated testing is a plus
COMPENSATION & PERKS
- Unlimited vacation policy; work hard and take time when you need it.
- Unlimited books policy; order the technical resources you need or simply pick something up from our company library.
- Apple equipment.
- Learning and development opportunities in other areas than AML in the future.
- Full-time salary based on experience and meaningful equity in an industry-leading company.
- Role based in our Paris office, with a mandatory in-office presence four days per week
- Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.
Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time.
You may contact our Data Protection Officer by email at dpo@blockchain.com. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment.
Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf. Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.
Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.
Ready to apply?
Apply to Blockchain.com