Bullish, Inc.
Senior Mobile Engineer, CoinDesk Media page is loaded## Senior Mobile Engineer, CoinDesk Medialocations:
New Yorktime type:
Full timeposted on:
Posted 2 Days Agojob requisition id:
JR2001014## **About Bullish**## Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: **Bullish** **Exchange** – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong, and Gibraltar. **CoinDesk** **Indices** – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. **CoinDesk** **Data** - a broad suite of digital assets market data and analytics, providing real-time insights into prices, trends, and market dynamics. **CoinDesk** **Insights** – a digital asset media and events provider and operator of , a digital media platform that covers news and insights about digital assets, the underlying markets, policy, and blockchain technology.**Reports to:**Director, Engineering, CoinDesk## **The Opportunity***Note: This position is based in NYC and will be required to work from our office located near Union Square three (3) days per week.*****What You'll Do:***** Build and maintain the CoinDesk mobile application using React Native and Expo, delivering real-time crypto market data, news, and interactive features to millions of users across iOS and Android.* Develop highly performant and stable mobile experiences capable of handling real-time market data streams, push notifications, and complex user interactions.* Collaborate with product teams to implement user-centric features, optimize app performance, and ensure the mobile experience aligns with CoinDesk's brand and user expectations.* Design and integrate mobile-optimized APIs and work with backend systems to ensure seamless data flow between mobile clients and server infrastructure.* Implement comprehensive testing strategies including unit, integration, and end-to-end testing to ensure app reliability and reduce production issues.* Monitor and improve app stability using crash reporting, performance monitoring, and user analytics to proactively identify and resolve issues.## ****What You Have:***** Hands-on mobile development expertise with React Native for building cross-platform applications.* Strong knowledge of automated testing practices including experience writing unit, integration, and end-to-end tests using frameworks like Jest, Testing Library, Detox, or Playwright.* Familiarity with CI/CD pipelines and experience integrating testing and deployment processes into GitHub Actions or similar platforms.* Experience with debugging and improving app stability using tools like DataDog, Sentry, Firebase Crashlytics, or similar platforms to track crashes and performance issues.* Experience working with REST APIs and backend systems including the ability to debug endpoints and collaborate effectively with backend teams.* Strong communication and collaboration skills with the ability to work cross-functionally while proactively contributing to technical discussions.* Proactive mindset with a demonstrated ability to identify problems early and take initiative in driving projects forward.****Bonus Points For:***** Up-to-date understanding of the React Native and Expo ecosystem including experience with library upgrades and long-term maintenance strategies.* Experience with observability tooling such as Datadog, LogRocket, or similar platforms for logging, monitoring, and performance tracking.* Experience writing or maintaining internal documentation with the ability to create clear documentation for both technical and non-technical audiences.* Exposure to OTA updates and app store submission processes including familiarity with EAS Update, Apple App Store, and Google Play Store processes.* Mobile accessibility and UI/UX experience with awareness of platform-specific design conventions and accessibility standards.* Security-minded development experience including familiarity with secure data handling, authentication flows, and mobile security best practices.*Bullish US LLC & CoinDesk Inc. are committed to offering competitive compensation and benefits. The anticipated base salary for this position is $180,000 - $240,000 + discretionary annual target bonus + performance incentives/benefits. Offered salary will be reflective of job related knowledge, skills and commensurate experience.***Bullish is proud to be an equal opportunity employer. We are fast evolving and striving towards being a globally-diverse community. With integrity at our core, our success is driven by a talented team of individuals and the different perspectives they are encouraged to bring to work every day.** #J-18808-Ljbffr
New Yorktime type:
Full timeposted on:
Posted 2 Days Agojob requisition id:
JR2001014## **About Bullish**## Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: **Bullish** **Exchange** – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong, and Gibraltar. **CoinDesk** **Indices** – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. **CoinDesk** **Data** - a broad suite of digital assets market data and analytics, providing real-time insights into prices, trends, and market dynamics. **CoinDesk** **Insights** – a digital asset media and events provider and operator of , a digital media platform that covers news and insights about digital assets, the underlying markets, policy, and blockchain technology.**Reports to:**Director, Engineering, CoinDesk## **The Opportunity***Note: This position is based in NYC and will be required to work from our office located near Union Square three (3) days per week.*****What You'll Do:***** Build and maintain the CoinDesk mobile application using React Native and Expo, delivering real-time crypto market data, news, and interactive features to millions of users across iOS and Android.* Develop highly performant and stable mobile experiences capable of handling real-time market data streams, push notifications, and complex user interactions.* Collaborate with product teams to implement user-centric features, optimize app performance, and ensure the mobile experience aligns with CoinDesk's brand and user expectations.* Design and integrate mobile-optimized APIs and work with backend systems to ensure seamless data flow between mobile clients and server infrastructure.* Implement comprehensive testing strategies including unit, integration, and end-to-end testing to ensure app reliability and reduce production issues.* Monitor and improve app stability using crash reporting, performance monitoring, and user analytics to proactively identify and resolve issues.## ****What You Have:***** Hands-on mobile development expertise with React Native for building cross-platform applications.* Strong knowledge of automated testing practices including experience writing unit, integration, and end-to-end tests using frameworks like Jest, Testing Library, Detox, or Playwright.* Familiarity with CI/CD pipelines and experience integrating testing and deployment processes into GitHub Actions or similar platforms.* Experience with debugging and improving app stability using tools like DataDog, Sentry, Firebase Crashlytics, or similar platforms to track crashes and performance issues.* Experience working with REST APIs and backend systems including the ability to debug endpoints and collaborate effectively with backend teams.* Strong communication and collaboration skills with the ability to work cross-functionally while proactively contributing to technical discussions.* Proactive mindset with a demonstrated ability to identify problems early and take initiative in driving projects forward.****Bonus Points For:***** Up-to-date understanding of the React Native and Expo ecosystem including experience with library upgrades and long-term maintenance strategies.* Experience with observability tooling such as Datadog, LogRocket, or similar platforms for logging, monitoring, and performance tracking.* Experience writing or maintaining internal documentation with the ability to create clear documentation for both technical and non-technical audiences.* Exposure to OTA updates and app store submission processes including familiarity with EAS Update, Apple App Store, and Google Play Store processes.* Mobile accessibility and UI/UX experience with awareness of platform-specific design conventions and accessibility standards.* Security-minded development experience including familiarity with secure data handling, authentication flows, and mobile security best practices.*Bullish US LLC & CoinDesk Inc. are committed to offering competitive compensation and benefits. The anticipated base salary for this position is $180,000 - $240,000 + discretionary annual target bonus + performance incentives/benefits. Offered salary will be reflective of job related knowledge, skills and commensurate experience.***Bullish is proud to be an equal opportunity employer. We are fast evolving and striving towards being a globally-diverse community. With integrity at our core, our success is driven by a talented team of individuals and the different perspectives they are encouraged to bring to work every day.** #J-18808-Ljbffr