Senior Software Engineer (Frontend)

🏢 About Happy Money

Happy Money is a consumer financial technology company dedicated to helping people take control of their financial well-being through transparent, accessible borrowing options. Powered by its proprietary lending engine, Hive, Happy Money partners directly with trusted credit unions and financial institutions to originate high-performing consumer loans. Operating as a 100% fully distributed remote organization, the company has delivered over $7 billion in loans across the United States.

🎯 The Role

Happy Money is seeking a Senior Software Engineer (Frontend) to design, deploy, and own high-impact consumer web applications and lending services. In this position, you will operate autonomously, taking complex product concepts from architecture through production deployment. You will craft responsive user experiences, build UI SDKs, and champion modern engineering techniques—including the adoption of AI-driven coding agents and agentic workflows to build and test robust React applications at scale.

🛠️ Tech Stack

• React, JavaScript, TypeScript, Node.js
• GraphQL, REST APIs
• Modern CSS, Component Architecture, Design Systems
• Automated Testing (Jest, React Testing Library, Cypress)
• AI-Driven Coding Agents & Agentic Workflows
• AWS (EC2, S3, Lambda, API Gateway)

💼 What You will Do

• Architect and build accessible, high-performance web products that deliver exceptional borrowing experiences.
• Own the entire feature lifecycle: technical design docs, development, automated test coverage, deployment, and ongoing observability.
• Adopt and integrate AI coding agents and agentic workflows to accelerate component delivery and test coverage.
• Construct shared UI components and frontend SDKs consumed across development teams.
• Partner with product managers, designers, and backend engineers to define technical solutions to ambiguous business challenges.
• Mentor junior and mid-level frontend engineers while upholding code quality and engineering best practices.

✅ What You will Need

• 5+ years of production experience building high-scale applications with React and modern hooks/component patterns.
• Strong proficiency across JavaScript, TypeScript, CSS, GraphQL, and Node.js.
• Demonstrated experience utilizing AI coding agents and automated workflows to accelerate web delivery.
• Commitment to comprehensive frontend test automation across critical user journeys.
• Experience delivering scalable consumer-facing web applications integrated with cloud infrastructure (AWS).
• Must reside and be legally authorized to work in the United States.

🌟 Nice to Have

• Experience building in polyglot environments with working familiarity in Python or Java.
• Background in fintech, lending platforms, credit unions, or regulated financial services.
• Prior experience building developer-facing UI SDKs or shared design system libraries.