Senior Mobile App Developer

August 5

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Galaxy

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Crypto • Finance • Blockchain

Galaxy is a digital asset and blockchain leader helping institutions, startups, and qualified individuals shape a changing economy through innovative crypto solutions. Galaxy provides a wide array of services, including asset management, trading, lending, custodial technology, and blockchain infrastructure solutions. With a focus on both traditional finance integration and digital asset expertise, Galaxy is committed to advancing the adoption and functionality of cryptocurrencies and blockchain technologies across the globe.

201 - 500 employees

Founded 2018

₿ Crypto

💸 Finance

📋 Description

• This role is a Senior Back End Developer for an exciting new business initiative at Galaxy. In this position, you’ll design, develop, and optimize robust, scalable software back end that powers our web and mobile applications for a new product offering. You will join a team of back-end developers, ensuring the reliability, security, and performance of our platforms while collaborating with front-end, product, and infrastructure teams. Your expertise will help drive the architecture of our product offerings, supporting Galaxy’s mission to innovate in the crypto economy. • Design, develop, and maintain high-performance back-end systems, APIs, and databases that support the business’s web and mobile applications. • Help foster a culture of technical excellence, collaboration, and continuous learning. • Collaborate with front-end developers, product managers, and DevOps teams to ensure seamless integration and delivery of features and services. • Architect scalable, secure, and efficient server-side solutions that meet fintech industry standards and handle high transaction volumes. • Implement best practices for code quality, testing, and deployment, including code reviews and automated testing frameworks. • Stay current with emerging technologies and trends in back-end development, blockchain, and fintech to recommend innovative improvements.

🎯 Requirements

• 7+ year of relevant experience • Strong experience building mobile applications using React Native for iOS and Android • Hands-on experience working on complex features like dynamic forms, push notifications, deep linking, media upload, offline support, etc. • Strong knowledge of React Native internals and practical awareness of Android/iOS platform behaviors, bugs, and quirks. • Ability to debug performance issues using Flipper, Xcode, Android Studio • Familiarity with Crashlytics, performance monitoring, and agile workflows • Own code quality and best practices modularity, code reuse, maintainability, and debugging across native boundaries • Experience shopping apps to Play Store and App Store • Experience integrating with REST APIs, GraphQL, and third-party SDKs • Strong and clear communication skills • Take responsibility and ownership of work • Work well in a team environment

🏖️ Benefits

• Competitive base salary and discretionary bonus • Flexible Time Off (i.e. unlimited paid vacation days) • Company paid Holidays (11) • Company paid sick leave • Company-paid health and protective benefits for employees, partners, and other dependents • 3% 401(k) company contribution • Generous paid Parental Leave • Free virtual coaching and counseling sessions through Headspace • Opportunities to learn about the Crypto industry • Fully remote team • Smart, entrepreneurial, and fun colleagues • Employee Resource Groups