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Senior Mobile Engineer - React Native

BlockdaemonNew York, New York, United StatesOnsite

Position Overview


We are seeking a Senior Mobile Engineer-React Native to join our Wallet Engineering Team in NYC. In this role, you will collaborate with an experienced team of software developers and applied cryptographers. Together, we’ll create secure, scalable, and user-friendly mobile applications and SDKs leveraging cutting-edge MPC (Multi-Party Computation) technology. This is a great opportunity to work on a diverse range of topics, including cryptography, blockchains, and cross-chain messaging. You’ll report to a technical engineering manager and work closely with cross-functional teams, including product and engineering, to help drive our company goals and initiatives.

Note: this is a hybrid position based based in NYC.


Your Impact 


  • Develop React Native applications ranging from rapid prototypes to production-ready apps across Blockdaemon products.
  • Deploy mobile applications to the Apple App Store and Google Play, ensuring they meet the highest standards.
  • Ensure code quality and maintainability by reviewing, testing, and debugging code in collaboration with team members.
  • Stay up-to-date with emerging technologies and industry trends to continuously improve engineering best practices.
  • Participate in agile ceremonies, including daily standups and retrospectives, and foster a collaborative team environment.
  • Take on additional duties and responsibilities as assigned, contributing to the overall success of the team.

Role Requirement


  • 5+ years of professional experience with expert-level knowledge of JavaScript and React Native, preferably in a dynamic and fast-paced environment.
  • Proven experience building, maintaining, and deploying customer-facing mobile apps on both the Apple App Store and Google Play.
  • Ability to read and understand Swift code for iOS development.
  • Strong UI development experience with a keen eye for design and user-centric features.
  • General knowledge and experience with protocols such as Push Notifications, HTTPS, REST, WebSockets, and more.
  • Experience with iOS Keychain Services and Android Keystore for secure data storage.
  • Strong ability to write reusable, efficient, and maintainable code that aligns with industry standards.
  • Familiarity with CI/CD processes to ensure smooth development workflows.
  • Production experience with native iOS or Android development.
  • Experience in the cryptocurrency space, including the development of wallets or exchanges, is a plus.
  • Knowledge of or experience with Multi-Party Computation (MPC) or similar cryptographic technologies is highly desired.

Nice-to-have Skills


  • Experienced in CI/CD development process.
  • Production experience with native iOS or Android development.
  • Involvement in building cryptocurrency wallets or exchanges.
  • Knowledge of or experience developing with multi-party computation.

Tech Stack


  • React Native
  • Expo
  • iOS (Swift) for custom native modules
  • Android (Kotlin) for custom native modules

Pay range is $160,000 - $220,000.  Salary ranges are based on role, level, and location. The range shown reflects the target minimum and maximum for the role across all U.S. locations. Actual pay is determined by location, skills, and relevant experience.

About Us:


We Power the Blockchain economy.Blockdaemon powers the blockchain economy with its suite of industry-leadinginfrastructure solutions. We are a globally established, ISO-27001 certified partner with extensive protocol coverage, offering technical depth, industry-leading SLAs, 70+ global points of presence through 10+ cloud and bare metal providers, and 24/7 support for an unmatched institutional-grade experience. We provide integrated business solutions to exchanges, custodians, crypto platforms, financial institutions, and developers using our end-to-end suite of blockchain tools, including dedicated nodes, APIs, staking, liquid staking, MPC tech, and more.

Blockdaemon provides its customers with the confidence to quickly and easily scale without compromising security or compliance.We are a globally distributed team.Blockdaemon is an Equal Opportunity Employer.

Life at Blockdaemon

Blockdaemon is a blockchain deployment facilitator. What Heroku does for the cloud, we do for blockchain networks: easy one-click deployment, management and supervision of nodes, no matter in what configuration. Our solution is fully portable, allowing you to switch networks and chains with the click of a button, so you don't have to worry about picking the perfect network configuration from day one. We support the blockchain developer ecosystem with best-of-breed dev-ops advise. Join us in our public slack to learn more.
Thrive Here & What We Value* Remote-first, globally distributed team* Equal Opportunity Employer* ISO-27001 certified partner* Extensive protocol coverage* Technical depth and industry-leading SLAs* 70+ global points of presence through 10+ cloud and bare metal providers* 24/7 support for an unmatched institutional-grade experience

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