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About the Role
Marqeta is seeking a Senior Software Engineer, Frontend with strong expertise in React Native to provide technical leadership in building our UX Toolkit (Web/Native). This is a new area of focus requiring a technical leader experienced in building cross-platform mobile and web applications from the ground up.
Responsibilities
- Collaborate with product and design teams to develop innovative cardholder experiences across web and mobile platforms.
- Lead the development of React Native-based SDKs and applications, ensuring high performance and seamless integration across platforms.
- Architect and implement reusable React Native components that align with modern design patterns and best practices.
- Optimize performance for mobile applications, leveraging techniques such as lazy loading, code splitting, and efficient rendering strategies.
- Work hands-on with React Native, JavaScript/TypeScript, HTML, and CSS to build and maintain scalable front-end solutions.
- Define and contribute to technical roadmaps, design documents, and system architecture to ensure high-quality UI experiences.
- Participate in design discussions, advise stakeholders, and establish best practices for mobile and web application development.
- Advocate for and implement modern engineering practices, including automated testing, CI/CD pipelines, and performance monitoring.
Requirements
- 5+ years of experience in web and mobile application development with a focus on React Native.
- Strong proficiency in React Native for building mobile applications, including experience with React Navigation, Expo, and native module development (Swift/Kotlin/Objective-C/Java).
- Experience integrating React Native applications with native iOS and Android components, bridging gaps where necessary.
- Deep understanding of React.js, Redux, Context API, or similar state management frameworks.
- Experience working with design systems and component-based architecture to ensure UI consistency and scalability.
- Strong knowledge of mobile performance optimization techniques, including profiling, memory management, and UI rendering optimizations.
- Experience integrating RESTful APIs and GraphQL into mobile and web applications.
- Familiarity with mobile authentication techniques, including OAuth, biometric authentication, and secure session management.
- Experience with CI/CD pipelines for mobile development, such as Fastlane, Bitrise, or App Center.
- Proficiency with Git and modern development workflows, including feature branching and pull request reviews.
- Experience mentoring junior engineers and leading mobile development initiatives.
- Solid problem-solving skills, debugging expertise, and the ability to troubleshoot cross-platform performance issues.
- Excellent communication skills and ability to collaborate with cross-functional teams, including designers, product managers, and backend engineers.
Skills
- React Native
- React Navigation
- Expo
- Swift
- Kotlin
- Objective-C
- Java
- React.js
- Redux
- Context API
- JavaScript
- TypeScript
- HTML
- CSS
- RESTful APIs
- GraphQL
- OAuth
- Git
- Fastlane
- Bitrise
- App Center
Location
- Remote (Ontario, Canada)
- Remote (British Columbia, Canada)
Work Type
- Remote
- Flexible First
Experience Level
- Senior
Salary/Compensations
- CAD 116,000 to 145,000
Benefits
- Annual bonuses
- Multiple health insurance options
- Flexible time off
- Retirement savings program with company contribution
- Equity in a publicly-traded company
- Monthly stipend to support remote work
- Annual development dollars
- Family-forming benefits
- Up to 20 weeks of Parental Leave
About the Company
- Marqeta is on a mission to change the way money moves.
- We’re one of the earliest enablers of embedded finance, a market opportunity sized up in the trillions.
- Our card issuing platform provides unprecedented flexibility and control for companies to issue cards, authorize transactions, and manage payment operations in real time.
- Marqeta is powering the most well known brands in the new economy (Block, Cash App, Affirm, Instacart, Doordash, Uber, Walmart, etc).
- Today nearly 8 out of 10 Americans use a product powered by Marqeta every week.
- This is the opportunity of a lifetime to work with innovators around the world and unlock equitable financial access for all.