Senior Software Engineer, Full-Stack (Web Core)

Greenlight is a family technology company on a mission to help families raise financially smart kids and navigate life together. Its suite of products — including the Greenlight app, debit card, Safe Family GPS trackers, and Family Hub — brings together financial tools, safety features, and everyday family management in one connected experience. Designed for busy families who want convenience without compromise, Greenlight continues to innovate alongside the evolving needs of modern life. Today, more than 6.5 million family members trust Greenlight to stay in sync.

At Greenlight, we're here to make the day-to-day easier and futures brighter, so families can spend less time managing life, and more time living it. That's why we get out of bed every morning.

Greenlight is looking for a Senior Software Engineer, Full-Stack for our Web Core team. This is an exceptional, high-impact opportunity to help bring Greenlight's core product functionality to the web. As part of a horizontal platform team, you'll build and evolve the foundational systems that power web experiences across the organization, partnering with product and engineering teams to enable scalable, high-quality development. In addition to contributing across our frontend and backend services, you'll provide technical leadership, mentor engineers, and help drive engineering excellence across the platform.

This role reports to a Director, Engineering.

Work perks at Greenlight:

• Medical, dental, vision, and HSA match

• Paid life insurance, AD&D, and disability benefits

• Traditional 401k with company match and Roth IRA

• Unlimited PTO

• Paid company holidays and pop-up bonus holidays

• Professional development stipend

• Mental health resources

• 1:1 financial planners

• Fertility healthcare

• 100% paid parental and caregiving leave, plus cleaning service and meals during your leave

• Flexible WFH, both remote and in-office opportunities

• Fully stocked kitchen, catered lunches, and occasional in-office happy hours

• Employee resource groups

Technologies we use:

• Frontend: React, Next.js, TypeScript, Tailwind CSS, Modern build tools (Turborepo, etc.), Testing (Cypress, React Testing Library, Jest).

• Backend & Infrastructure: Node.js, Express, TypeScript, REST APIs, Kubernetes (EKS).

Your day-to-day:

• Lead the design and implementation of groundbreaking web experiences, translating mobile features to the web with world-class UX.

• Drive technical strategy, define engineering standards/best practices, mentor engineers, and establish the technical vision for the web platform.

• Manage technical debt, champion code quality, and lead architectural evolution.

• Design, modify, and develop backend services that power web products, ensuring systems scale and championing system reliability, performance, and observability.

What you’ll bring to the team:

• BS in Computer Science or equivalent

• 7+ years of software development experience with a track record of technical leadership

• Deep expertise in React/Next.js/Remix

• Strong experience building REST APIs and backend services with Node.js/TypeScript

• Experience with modern build tools, testing, and CI/CD.

Preferred experience:

• Experience with A/B testing/experimentation and modern MarTech tools (Segment, Optimizely, Mixpanel, Amplitude).