Senior Grows Fullstack developer (JS)

We’re looking for a Senior Full Stack JavaScript developer to join our Growth team. We value experience in feature ownership and the ability to collaborate effectively and purposefully with engineers, product managers, and cross-functional teams.
The position is well-suited for those who are confident in both front-end and back-end development. You’ll be responsible for key areas like user authentication, billing, onboarding flow, product analytics, and various internal infrastructure components.
This is a remote position under a service agreement. Our Engineering teams’ workday typically starts around 11AM (GMT+1 time zone). The maximum allowable time zone difference is around 4 hours so that we can all stay connected.
 

What you will do:
- architect and develop new features;
- support and refactor existing code;
- troubleshoot and fix bugs;
- build well-working solutions from initial ideas;
- work on internal tools and libraries.
Would be a plus:
- experience with billing systems such as Stripe or Paddle;
- an understanding of common vulnerabilities in browsers and infrastructure;
- knowledge of cloud environment ecosystems like AWS, Azure, etc.
What you’ll bring:
- 5+ years of product development experience;
- a proven background in feature ownership or team leadership within a product-focused team;
- proficiency in the modern React ecosystem;
- experience in writing, deploying, testing, and supporting
- scalable API services using Node.js and TypeScript;
- experience with MongoDB or other relational databases;
- an understanding of content delivery and network technologies, including HTTP/S, DNS, CDN, and OAuth;
- a solid understanding of modern browser APIs and web technologies;
- a passion for detail and creating pixel-perfect layouts;
- English at a B2+ level.
Here are some buzzwords for good measure: React, TypeScript, Node.js, AWS, Kubernetes, CI/CD, MongoDB, Next.js, jotai, jest, Playwright, Unleash, Stripe.