Staff Full Stack Engineer

About the team & opportunity

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 seeking a Staff Full Stack Engineer to join our growing team. This is a key role where you will focus on creating reusable frontend components for an exciting new product going from 0 to 1. You’ll drive the design and architecture of our frontend system, ensuring scalability, performance, and reusability while embracing microfrontend principles. As a technical leader, you'll bring strong expertise in frontend architecture, cloud infrastructure, and distributed systems, while delivering solutions that empower our users to have seamless, efficient experiences. You will be working with technologies including React, Typescript, Node.js, Google Cloud Platform, Kubernetes, and PostgreSQL. This role reports to one of our Engineering Managers.

A day in the life of a Staff Full Stack Engineer at Calendly

On a typical day, you will be working on:

• Architectural Design: Lead the implementation of frontend architecture, advocating for best practices in modularity and reusability; your expertise will help guide the evolution of the product’s technical strategy and frontend architecture.
• Microfrontend Leadership: Champion the development and adoption of microfrontend solutions, ensuring that we scale our product with a componentized approach that delivers both flexibility and high performance.
• Technical Leadership & Mentorship: Provide guidance and mentorship to other engineers, driving the team towards high-quality, effective solutions; you’ll shape decisions on best practices, code quality, testing and architectural direction.
• Cross-Functional Collaboration: Collaborate with product managers, designers, and other engineering teams to ensure the technical feasibility of new features and translate business requirements into delightful product experiences.
• Planning & Execution: As a hands-on contributor, you will work on “Big Rock” initiatives—complex, high-priority projects—delivering on schedule with a focus on quality, clarity, and incremental delivery.
• Vision & Strategy: Define the technical vision for this product's key frontend components, ensuring that they align with business goals and our long-term strategy.
• Guiding your team through challenges and growth, ensuring that solutions align with business objectives, are maintainable, and help scale the product effectively.

What do we need from you?

• A proven track record in building and maintaining scalable frontend systems, with an emphasis on reusability and microfrontends.
• Proficiency in React, TypeScript, and Node.js; experience with microfrontend architectures and related tools is crucial.
• Experience with unit testing, integration testing, and end-to-end testing for frontend applications; familiarity with testing frameworks like Jest, React Testing Library, or Cypress is essential to ensure high-quality, reliable code.
• Experience using Storybook to develop and test UI components in isolation.
• 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.

What’s in it for you?

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.

If you are an individual with a disability and would like to request a reasonable accommodation as part of the application or recruiting process, please...