Full Stack Engineer, Scheduling

What’s in it for you?

Ready to make a serious impact? Millions of people already rely on Calendly, and we’re still in the midst of exciting product growth — it’s a fantastic time to join us. Everything you’ll work on here will accelerate your career to the next level. If you want to learn, grow, and do the best work of your life alongside the best people you’ve ever worked with, then we hope you’ll consider allowing Calendly to be a part of your professional journey.

What’s so great about working on Calendly’s Engineering team?

We make things possible for our customers through innovation.

Why do we need you? We are looking for a Full Stack Engineer III who will bring deep technical know-how, system design knowledge and a healthy dose of fun to the team. You will report to the Engineering Manager for the Scheduling group and will play a key role in designing and supporting the core features and architecture that underpin Calendly’s core product experience and maintain our users’ confidence.

The Calendly platform is a monolith that is being decomposed into various services in order for us to scale our platform and team. We need ambitious, experienced engineers who can help us drive this stage of growth. As an engineer at Calendly, you will both build new features and work to scale our platform and architecture. You will build tooling and automation to fine‑tune our delivery process as you grow into a service‑oriented specialist.

You will also learn to work with multiple technologies such as Google Cloud Platform, Kubernetes, Argo Workflows, Rails, NodeJS, React, Golang, Postgre

SQL, Redis, to name a few.

When you join Calendly, you get the opportunity to deliver on a product used by millions and known for its best‑in‑class quality. Help us continue to deliver critical features to our users with excellence.

On a typical day,
you will be working on:

• Collaborate within your team to build new features that are targeted at our highest impact enterprise customers.
• Contribute to platform scaling initiatives.
• 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.
• Work across squads to improve Engineering practices at Calendly.
• Review implementation plans and pull requests from your peers.
• Mentor and coach other team members.

• 4+ years of Software Development experience at a SaaS or technology company.
• Professional experience with Rails is preferred. Experience with Node or a comparable web‑app framework is also acceptable.
• Professional experience with Type Script.
• Ability to adapt to new technologies, changing requirements, and evolving organizational needs.
• Hands‑on experience with Service‑Oriented Architectures (SOA), microservices, and involvement in monolith‑to‑services modernization or large‑scale refactoring initiatives.
• Proven ability to own features end‑to‑end, including technical discovery, implementation, testing, release, and ongoing maintenance.
• Experience using AI coding assistants (Copilot, Cursor, etc.) as productivity tools, with a clear understanding of generated code and the ability to defend implementation choices.
• Availability for participation in on‑call rotation, ensuring prompt and effective responses to business‑critical alerts 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.

Ready to make a serious impact? Millions of people already rely on Calendly’s products, and we’re still in the midst of our growth curve — it’s a fantastic time to join us. Everything you’ll work on here will accelerate your career to the next level. If you want to learn, grow, and do the best work of your life alongside the best people you’ve ever worked with, then we hope you’ll consider allowing Calendly to be a part of your professional journey.

Tier 1 Salary Hiring Range $187,680 — $237,360 USD

Tier 2 Salary Hiring Range $172,040 — $217,580 USD

Tier 3 Salary Hiring Range $156,400 — $197,800 USD

The…