Senior Full Stack Engineer, AI Scheduling

About the role

Calendly is seeking a senior engineer to help evolve our scheduling platform as we transition from a monolith to a service-oriented architecture. You will report to an Engineering Manager and focus on building features and infrastructure that support our enterprise customers.

Key facts

What you'll do

• Develop features for high-impact enterprise users.
• Contribute to platform scaling and architectural modernization.
• Collaborate with product and design teams to refine technical requirements.
• Participate in agile ceremonies for sprint planning and execution.
• Work across squads to elevate engineering standards.
• Conduct code reviews and provide implementation feedback.
• Mentor and coach other engineers on the team.
• Participate in an on-call rotation to address production issues.

Requirements

• 7-10 years of professional software development experience in a SaaS or tech-focused environment.
• Ability to independently design, build, and deploy full-stack production changes.
• Experience building and maintaining Node.js services that interact with distributed APIs or LLMs.
• Practical experience with microservices and large-scale monolith-to-service refactoring.
• Proven ability to own the full lifecycle of a feature from discovery to maintenance.
• Strong analytical skills for identifying root causes and building scalable, clean code.
• Familiarity with AI coding assistants like Cursor or Copilot and the ability to evaluate generated code.
• Must be authorized to work in the United States. Calendly does not provide immigration sponsorship.

Skills & tools

• Google Cloud Platform
• Go
• Typescript
• NodeJS
• React
• PostgreSQL
• Redis
• Kubernetes
• Rails

Practical notes

Salary ranges are based on geographic tiers:

Tier 1 (SF, San Jose, NYC): $224,400 - $271,920 USD

Tier 2 (Chicago, Austin, Denver, Boston, DC, Philadelphia, Portland, Seattle, Miami, and all CA cities): $205,700 - $249,260 USD

Tier 3 (All other locations): $187,000 - $226,600 USD

Full-time employees are eligible for equity awards and benefits. This role may require occasional travel for offsites or team events. Employment is not available in Alaska, Delaware, Hawaii, Idaho, Iowa, Montana, Nebraska, North Dakota, Rhode Island, South Dakota, or West Virginia. Please notify your recruiter if you require a reasonable accommodation due to a disability.