Staff Software Engineer, Frontend

Job description

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). This is the opportunity of a lifetime to work with innovators around the world and unlock equitable financial access for all.

We are looking for a Staff Software Engineer, Frontend with strong expertise in React Native to provide technical leadership in building our UX Toolkit (Web/Native) at Marqeta. This is a newly formed area of focus, and we need a technical leader with deep experience in building cross-platform mobile and web applications from the ground up.

We work Flexible First. This role can be performed remotely anywhere within the provinces of Ontario and British Columbia, Canada preferably you residing in either Greater Toronto Area or Metro Vancouver. We’d love for you to join us!

The Impact You’ll Have

• Partner with product, design, and engineering leadership to shape and deliver innovative cardholder experiences across web and mobile platforms, aligning technical strategy with business goals.
• Lead the design and development of React Native SDKs and applications, establishing architectural patterns that enable scalability, modularity, and cross-platform consistency.
• Architect reusable and extensible React Native components that adhere to modern UI/UX patterns, accessibility standards, and internal design systems.
• Drive mobile performance optimization strategies, including lazy loading, rendering optimizations, and bundle size reduction, to ensure fast, responsive experiences.
• Contribute hands-on to complex front-end systems using React Native, TypeScript, and web technologies, while fostering engineering excellence through mentorship and code quality initiatives.
• Define technical roadmaps and author detailed design documents that align with long-term platform strategy, balancing velocity with maintainability.
• Lead engineering discussions, guide decision-making across teams, and champion best practices for mobile and web development to improve developer velocity and user experience.

Who You Are

• Over 8 years of experience in web and mobile application development, with deep expertise in architecting and delivering React Native solutions at scale.
• Demonstrated mastery of React Native, including advanced usage of React Navigation, Expo, and custom native modules in Swift, Kotlin, Objective-C, and Java.
• Proven ability to bridge React Native with complex native iOS and Android features, driving seamless integration across platforms.
• Strong architectural understanding of React.js and modern state management solutions (Redux, Context API, Zustand, etc.), with experience scaling apps with predictable state flows.
• Led the development and enforcement of design systems and modular component architectures to ensure consistency, reusability, and maintainability across large codebases.
• Deep knowledge of mobile performance optimization, including instrumentation, memory profiling, and rendering improvements.
• Extensive experience integrating RESTful and GraphQL APIs with scalable error handling, caching, and offline support patterns.
• Expertise in implementing secure mobile authentication flows using OAuth, biometrics, and encrypted storage for session handling.
• Designed and maintained CI/CD pipelines using tools like Fastlane, Bitrise, and App Center to support robust, automated mobile delivery workflows.
• Strong Git expertise and deep familiarity with scalable development workflows, including trunk-based development, code reviews, and release strategies.
• Track record of mentoring engineers, driving cross-team mobile strategy, and raising engineering quality through technical leadership.
• Exceptional debugging and cross-platform troubleshooting skills with a focus on improving app reliability and user experience.
• Strong communicator and collaborator, known for partnering effectively with design, product, and backend engineering to align on vision, tradeoffs, and execution.

Nice to haves

• Experience with Swift and/or Kotlin for deeper native integrations in React Native apps.
• Domain experience in Payments or Fintech industries.
• Familiarity with App Store and Google Play Store deployment processes, including code signing, release management, and A/B testing.
• Experience using TypeScript to enhance maintainability and scalability in React Native applications.
• Knowledge of WebAssembly, PWAs, or alternative approaches to cross-platform development.
• Passion for delivering high-quality, delightful user experiences with a customer-first mindset

Your Manager

• Jeremy Greenberger, Senior Manager, Software Engineering

Recruiter for This Role:

• Prashant S, Senior Technical Recruiter

Our (typical) process:

1. Application Submission
2. Recruiter Video Call
3. Pair Programming Interview
4. Engineering Leader Interview
5. Virtual “Onsite” consisting of three 45-60 minute rounds
6. Offer!

Compensation and Benefits

Marqeta is a Flex First company which allows you to choose your best working environment, whether that be from home or at a company office. To support Flex First, we calibrate pay to a competitive value according to working location.

When determining salaries, we consider several factors including, but not limited to, skills, prior experience, and work location. The new-hire base salary range for this position, reflected in CAD, is $148,900 to $186,100

We also believe in recognizing the contributions of our people. That’s why we award annual bonuses to eligible employees, rewarding both individual performance and the success of the entire company.

Along with monetary compensation, Marqeta offers

• Multiple health insurance options
• Flexible time off – take what you need
• Retirement savings program with company contribution
• Equity in a publicly-traded company
• Monthly stipend to support our remote work model
• Annual “development dollars” to support our people growth and development
• Family-forming benefits and up to 20 weeks of Parental Leave

About Marqeta

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). You don’t need to be a Payments expert to join the Marqeta Team, let us help you with that.  This is the opportunity of a lifetime to work with innovators around the world and unlock equitable financial access for all.

Marqeta’s Values

– Solve for the Customer: With a deep understanding of our customers’ business and empathy for their needs, we deliver products and services that drive their success. Earning and keeping their trust guides everything we do.

– Do What’s Right: Knowing businesses and livelihoods depend on us, we pursue solutions that disrupt responsibly and deliver high-quality results that our customers count on. We own our work from start to finish.

– Simplify and Innovate: We approach challenges with curiosity and take smart risks. Innovation comes from finding better, simpler ways to achieve extraordinary outcomes.

– Win as a Team: We succeed together by embracing diverse perspectives and pushing each other to raise the bar. We lead with humility and set aside hierarchy to work as a team.

– Make it Count: We drive forward with focus and agility. With a sense of urgency and purpose, we get the job done, and done right.

Equal Employment Opportunity, Accommodations and Privacy

Marqeta is proud to be an equal opportunity employer that gives consideration to all qualified applicants regardless of race, ancestry, national  origin, color, Indigenous, citizenship, religion/creed, sex, sexual orientation, gender identity, gender expression marital status, family status, disability, veteran status, criminal histories consistent with legal requirements, or any other characteristic protected by applicable law.

Our dedication to diversity and inclusion extends beyond the categories above. Review Marqeta’s ESG Report to see that dedication in action. Fostering an environment where everyone feels valued and respected creates a stronger and more innovative team at Marqeta. We celebrate the unique contributions of each individual and empower all members of our organization. Join us in building a company where diversity thrives and everyone can be their authentic selves.

If you require reasonable accommodation for the application process and beyond (including due to a disability), please submit this form and we will be more than happy to assist you. Marqeta will make reasonable accommodations for candidates when needed in accordance with applicable law. The Applicant and Candidate Privacy Notice applies to the personal data that you directly provide to us or that we collect during the application and candidate recruitment process.