Senior Web Engineer - Credit Cards Team

MoneyLion is a leader in financial technology powering the next generation of personalized products and content, with a top consumer finance super app, a premier embedded finance platform for enterprise businesses and a world-class media arm. MoneyLion’s mission is to give everyone the power to make their best financial decisions. We pride ourselves on serving the many, not the few; providing confidence through guidance, choice, personalization; and shortening the distance to an informed action.

In our go-to money app for consumers, we deliver curated content on finance and related topics, through a tailored feed that engages people to learn and share. People take control of their finances with our innovative financial products and marketplace - including our full-fledged suite of features to save, borrow, spend, and invest - seamlessly bringing together the best offers and content from MoneyLion and our 1,100+ Enterprise Partner network, together in one experience. MoneyLion’s enterprise technology provides the definitive search engine and marketplace for financial products, enabling any company to add embedded finance to their business, with advanced AI-backed data and tools through our platform and API. Established in 2013, MoneyLion connects millions of people with the financial products and content they need, when and where they need it.

Engine by MoneyLion

Engine by MoneyLion partners with premier financial institutions to present consumers with the most robust and tailored selection of financial product offers. We are currently seeking an experienced Senior Web Engineer to join our Credit Cards team on Marketplace Platform.As the Senior Web Engineer, you will be responsible for the technical design and delivery of significant features and architectural projects that power our credit card marketplace. You’ll play a key role in shaping the front-end layer of our platform—focusing on predictability, performance, and clean architecture. Your contributions will enhance shared codebases and services that facilitate scalable, observable, and highly available development.You’ll collaborate closely with product managers, designers, and other engineers to define requirements, design robust solutions, and deliver clean, maintainable code. A strong understanding of the browser, forms, HTML semantics, and accessible interfaces is essential.

Day-to-day:

• Contribute to the development and deployment of performant, user-facing web applications that help consumers discover and compare credit card offers
• Build modular, testable UI using Next.js 15 (App Router, Server Components, React Suspense) and React 19, prioritizing separation between UI rendering, business logic, and side effects
• Work with product and design to implement features that are accessible, responsive, and aligned with business goals
• Design and enforce boundaries between UI and domain logic—keeping components “dumb” and moving logic to framework-agnostic layers where possible
• Develop and maintain comprehensive test coverage using tools like Playwright or Cypress to enable safe iteration and deployment
• Instrument and monitor features using DataDog and other telemetry tools to ensure system health and observability in production
• Participate in design and code reviews with a focus on architectural clarity, long-term maintainability, and developer experience
• Mentor and support engineers through pair programming, documentation, and thoughtful feedback

Qualifications:

• 6+ years of software engineering experience, with a proven track record of shipping user-facing web applications
• Deep expertise in React and TypeScript, including advanced typing strategies and component design patterns
• Strong understanding of how the browser works—particularly around HTML forms, navigation, accessibility, and performance
• Experience implementing testing strategies that balance unit, integration, and end-to-end coverage
• Comfort integrating with REST APIs and working across the full data flow, from API response to rendered UI
• Experience with CI/CD pipelines, automated testing, and feature monitoring
• Excellent collaboration and communication skills, with a bias toward clear, intentional engineering

Our Tech Stack:

• NextJS 15 (App Router, Server Components, and React Suspense)
• TypeScript
• React 19
• Reshaped UI

Bonus Qualifications:

• Experience with AWS and Kubernetes
• Familiarity with Playwright, Cypress