Senior Full-Stack Engineer (Next.js / Node.js)

About us

Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer‑led products, and we’re always looking for passionate individuals to join us. Learn more about our story at:

About the role

We’re looking for a Senior Full‑Stack Engineer to help build and scale a modern web platform using Next.js and Fastify. You’ll take ownership of complex features across the stack, contribute to architectural decisions, and ensure high standards for performance, security, and reliability.

You’ll work closely with product and analytics teams to implement data‑driven improvements, integrate analytics, and run A/B tests that enhance the user experience. The role also involves researching and adopting new technologies, including AI‑driven solutions, to continuo...