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Full Stack Engineer, Monetization

Calendly

$156,400 - $237,360
Dec 4, 2025
Remote, US
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Calendly is looking for a Full Stack Engineer III to help decompose their monolith into services to scale their platform and team, specifically focusing on modernizing and maintaining flexible billing systems.

Requirements

  • Experience with Service Oriented Architectures (SOA) (microservices).
  • Previously survived a Monolith to Services architectural rebuild.
  • Experience with Rails, Node, or a comparable web-app development framework.
  • Experience with TypeScript is nice to have.
  • Preferred experience integrating with payment platform APIs (e.g. Stripe, Paypal, etc)
  • Experience choosing the right language for the right job.
  • Strive to craft clean, reliable and highly maintainable code.

Responsibilities

  • Collaborate within your team to build new features that are targeted at our highest impact enterprise customers.
  • Contribute to platform scaling initiatives.
  • Build tooling and automation to fine tune our delivery process as you grow into a service oriented specialist.
  • Work across squads to improve Engineering practices at Calendly.
  • Review implementation plans and pull requests from your peers.
  • Learn to work with multiple technologies such as Google Cloud Platform, Kubernetes, Argo Workflows, Rails, NodeJS, React, Golang, PostgreSQL, Redis, to name a few.
  • Work on features and architecture designed to keep our billing systems modern and flexible.

Other

  • 4+ years of Software Development experience at a SaaS or technology company.
  • Meet regularly with Product and Design to fine tune requirements.
  • Attend agile ceremonies to help your team plan out their work and get it done.
  • Mentor and coach other team members.
  • Availability for participation in an on-call rotation, ensuring timely and effective responses to critical production issues outside of regular working hours.
  • Authorized to work lawfully in the United States of America as Calendly does not engage in immigration sponsorship at this time
  • This role may require occasional travel for company events, team collaboration, or offsites.