Senior Software Engineer, Mobile Banking

Who We Are

Cross River builds the infrastructure behind the world’s most innovative financial products. Our technology and capital solutions power payments, cards, lending, and digital asset capabilities that move money safely, instantly, and inclusively — trusted by leading fintechs, enterprises, and disruptors across the globe.

Our mission is simple: to build the financial infrastructure that expands access and opportunity for all. Guided by a culture of collaboration, curiosity, and purpose, Cross River has been named one of American Banker’s Best Places to Work in Fintech year after year. Whether you’re designing code, solving regulatory puzzles, or developing strategy, you’ll join a team where innovation and integrity drive everything we do — and where your work helps shape the future of finance.

What We're Looking For

Cross River's Software Engineer team handles the core Software responsibilities at Cross River, and as a Senior Software Engineer, you play a key role. In this role we are looking for a Senior Software Engineer, focused on mobile-based app technology, to support our Online Banking offering. We're a 100% remote team, who works closely together. This is a challenging role, so we expect you to have at least 6 years of experience. We are looking for a teammate that enjoys mentoring teammates and working closely with users. Key responsibilities will include tasks such as developing, deploying, and managing high performance mobile applications for iOS and Android platforms and assisting other engineers with our browser-based applications (written in React/NextJS) and API tiers (written in C# ASP.net).

Responsibilities:

• Design, develop, and maintain mobile applications using technologies such as React Native, Google Flutter, Kotlin Multiplatform, native development (Swift for iOS/Kotlin for Android), or Ionic
• Ensure cross-platform compatibility and responsiveness of applications across web and mobile platforms
• Translate UI/UX design wireframes into high-quality code for both web and mobile interfaces
• Manage mobile app deployment lifecycle including submission to Apple App Store and Google Play Store
• Navigate app store review processes and coordinate TestFlight beta testing for iOS and Google Play beta distribution
• Plan, triage, and prioritize work across multiple priorities
• Share your knowledge with teammates and help mentor and guide partners

Qualifications:

• 5+ years of professional experience in mobile development using one or more of the following: React Native, Google Flutter, Kotlin Multiplatform, native development (Swift/Kotlin), Apache Cordova, Ionic frameworks/systems, and/or Firebase
• 3+ years of professional experience developing with React, Next.js, and TypeScript
• 5+ years of professional experience consuming and developing APIs, preferably in JavaScript/TypeScript and C#/ASP.NET
• Strong experience with mobile app delivery lifecycle including App Store submissions, TestFlight (Apple), and Google Play Console
• Strong understanding of HTML5, CSS3, SCSS, and responsive web design
• Experience using CI/CD pipelines (e.g. Azure DevOps, Jenkins) and infrastructure-as-code (e.g. Terraform)
• Understanding of mobile app store guidelines, review processes, and best practices for both Apple iOS and Android
• Strong understanding of practical cryptography involving asymmetric and symmetric encryption
• Strong communication skills
• Experience writing automated UI tests and mobile testing frameworks
• Experience with Cloud Architecture, preferably AWS
• Experience using Docker / Containers
• Financial industry / banking experience is a strong plus, particularly with Online Banking applications

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Salary Range: $150,000.00 - $180,000.00