Senior Web/Mobile Engineer

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.

About the Role

We are currently seeking an experienced Senior Web/Mobile Engineer to join our Marketplace Team. This team is focused on new Credit Card experiences for our user base. As the Senior Web/Mobile Engineer, you will be responsible for the technical design and delivery of significant new features and our on-going efforts to improve mobile and web app performance. Your contributions will enhance shared codebases and services that facilitate predictable, highly available, and scalable development. You'll engage in technical design and code reviews to refine our products and processes. You will collaborate closely with team members and product leads to help fine-tune requirements, ensure timely and precise code delivery, and provide ongoing support for deployed features. 

This role is located on-site 4 days a week at our headquarters in Chelsea, NYC.

Key Responsibilities

• Contribute to the production and deployment of user-facing mobile / web applications
• Work with product owner and designers to create high-quality applications
• Work closely with business stakeholders and engineering leadership to unblock engineers and mission-critical initiatives
• Develop a balance of unit and end-to-end integration tests to ensure code quality
• Mentor and train junior engineers

About You

• Ideally 5+ years of software engineering experience
• Minimum of 3-5+ years of strong experience with React Native, React, and TypeScript
• Minimum of 3+ years of experience leading and mentoring other web/mobile engineers
• Strong React and React Native experience with knowledge of:
  • Render cycles and deep React gotchas
  • Modern state management and when to use it or not
  • Functional/reusable patterns
• Strong TypeScript experience with understanding of:
  • Generics
  • Type Aliases vs. Interface Declaration
  • Merging being potentially unexpected
• Strong understanding of web and mobile app performance measurement and debugging
• Experience with Node/Express and Redux Sagas/React Query
• Awareness of, experience with, or ability/desire to learn NextJS 14 server components
• Experience with balanced unit, integration, and end-to-end testing
• Experience with continuous integration/delivery (CI/CD)
• Excellent communication and interpersonal skills
• Ability to work independently and as part of a team

Bonus Traits

• Experience AWS and Terraform
• Experience with Browserstack
• Playwright, Cypress or other similar end-to-end testing systems
• 3rd party UI libraries like MUI or similar
• Performance optimization for core web vitals
• Mobile performance enhancement experience
• DataDog application tracing
• A love for functional programming, immutability
• A distaste for side-effecting code

Our Tech Stack

• React Native
• Redux Sagas/React Query
• TypeScript
• Node/Express
• NextJS 14 (app router, server-components, and React Suspense)
• Native Android (Java)
• Native iOS (Swift/Objective-C)

The annual base salary for the Senior Web/Mobile Engineer is expected to be between $150,000 - $180,000. Base salary is one component of MoneyLion's total compensation packa