Join Calendly's Engineering team as a Full Stack Engineer III and contribute to the growth of a product used by millions. You will work on building new features, scaling the platform, and driving innovation.
Requirements
- 4-6 years of professional software development experience in a SaaS or technology-driven environment.
- Strong, hands-on full-stack engineering skills, with the ability to independently design, build, and ship production changes across frontend and backend systems.
- Experience building and maintaining Node.js services that interface with distributed APIs, LLMs, or similar mixed-stack environments.
- 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, design, implementation, testing, release, and ongoing maintenance.
- Strong analytical and problem-solving skills, with the ability to dissect complex systems, identify root causes of issues, and deliver scalable, maintainable solutions.
- A commitment to writing clean, reliable, and maintainable code, with an emphasis on readability, simplicity, and performance.
- Adaptability to new technologies, evolving architectural patterns, and changing organizational priorities.
- 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 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, as Calendly does not offer immigration sponsorship at this time.
Benefits
- Top Performer Bonus program
- equity awards
- competitive benefits
