Senior Full Stack Engineer, Calendar Platform

Senior Full Stack Engineer, Calendar Platform

Remote - US

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 us. Everything you’ll work on here will accelerate your career to the next level.

Our Mission

We power Calendly's products with reliable, high-performance calendar data infrastructure.

How you will contribute

As a Senior Engineer on Calendly's Calendar Platform team, you will build and evolve the core infrastructure our products depend on.

You will focus on critical platform services including:

• Core calendar data API development, building and scaling a new unified interface and underlying data infrastructure for calendar data across all Calendly products
• Synchronization services to maintain data integrity across internal systems and external providers like Google and Microsoft
• Search infrastructure using Elastic Search to surface relevant calendar data for users

Building Calendar Infrastructure

Design, develop, and maintain services our product teams depend on. You will work hands‑on with Golang, Ruby/Rails, and Postgre

SQL.

Technical Leadership and Collaboration

Contribute to architectural decisions and share your distributed systems expertise.

Contribute To Critical Initiatives

Own and contribute to significant projects from concept to production.

Cross‑Functional Partnership

Partner with product engineering teams, Data Platform, and Infrastructure.

Operational Excellence

Ensure reliability and performance through monitoring, testing, and incident response.

• 7+ years of software engineering experience at a SaaS or technology company with strong backend and distributed systems focus
• Deep experience in service‑oriented architecture, microservice patterns, and building resilient, scalable systems
• Proven experience building and operating high‑traffic, high‑availability platforms in production
• Strong proficiency building internal tools, frameworks, and SDKs other engineers use
• Experience with API design and data synchronization across multiple external providers
• Excellent problem‑solving skills with the ability to diagnose complex system issues
• Strong communication skills, able to explain technical concepts clearly to technical and non‑technical stakeholders
• Authorized to work lawfully in the United States of America as Calendly does not engage in immigration sponsorship at this time

• Experience with Golang, Ruby/Rails, NodeJS/Typescript
• Background in platform engineering roles
• Experience decomposing monolithic applications into microservices
• Familiarity with Google Cloud Platform, Kubernetes, Postgre
  
  SQL, Redis, Pub/Sub
• Experience with Elastic Search or similar search infrastructure

• You take deep ownership and drive initiatives with a results‑oriented mindset
• You thrive in collaborative environments, working effectively with remote and distributed teams
• You’re adaptable, comfortable with evolving requirements and new technologies
• You’re passionate about enabling others and see platform engineering as a force multiplier
• You’re available to participate in our on‑call rotation to ensure the reliability of business‑critical services

Tier 1 Salary Hiring Range: $224,400 – $283,800 USD

Tier 2 Salary Hiring Range: $205,700 – $260,150 USD

Tier 3 Salary Hiring Range: $187,000 – $236,500 USD

The ranges listed above are the expected annual base salary for this role, subject to change.

Calendly uses the zip code of an employee’s remote work location, or the onsite building location if hybrid, to determine which metropolitan pay range we use. Current geographic zones are as follows:

• Tier 2:
  Chicago, IL, Austin, TX, Denver, CO, Boston, MA, Washington D.C., Philadelphia, PA, Portland, OR, Seattle, WA, Miami, FL, and all other cities in CA.
• Tier 3:
  All other locations not in Tier 1 or Tier 2

Location Eligibility

Calendly is registered as an employer in many, but not all, states. If you are located in Alabama, Alaska, Delaware, Hawaii, Idaho, Iowa, Montana, Nebraska, North Dakota, Rhode Island, South Dakota, and West Virginia, you will not be eligible for employment. Note that all individual roles will specify location eligibility.

Equal Employment Opportunity

All candidates can find our Candidate Privacy Statement here.

Candidates residing in California may visit our Notice at Collection for California Candidates here:
Notice at Collection.

This role may require occasional travel for company events, team collaboration, or off‑sites.