Calendly logo
Calendly

Calendly is a scheduling automation platform helping businesses and individuals schedule meetings so they can work on “what’s really important.” More than a scheduling platfo

Frontend Platform Engineer III

Location

United States

Posted

11 days ago

Salary

$156.4K - $227.4K / year

Seniority

Senior

Bachelor Degree3 yrs expEnglishReactTypeScriptWebpack

Job Description

Frontend Platform Engineer III

Calendly

• As a Frontend Platform Engineer on Calendly’s App Platform team, you will be instrumental in building the foundational capabilities that power our product ecosystem. • Your work will directly impact how our engineering teams ship features and the quality of experience they deliver to millions of Calendly users. • You'll help evolve our shared React architecture, package ecosystem, and developer experience. • You'll contribute to engineering standards, strengthen the reliability of our frontend infrastructure, and build the resilient tooling and migration paths our growing platform demands. • You will work hands-on with technologies like React and Webpack to build highly resilient, scalable systems; from real-time server-to-client data infrastructure to shared frontend services. • You will partner with product managers, designers, and engineering teams across Calendly to translate their needs into robust platform solutions that serve the entire organization. • Ensure reliability and performance of platform services through thoughtful monitoring, testing, and incident response.

Job Requirements

  • 3+ years of software engineering experience at a SaaS or technology company, with a strong focus on modern frontend architecture
  • Strong proficiency in React, TypeScript, and Webpack (or comparable build tooling), including application architecture, dependency management, and performance optimization
  • Experience designing and maintaining shared frontend platforms, libraries, and infrastructure used across multiple teams
  • Experience with package ecosystems (versioning, upgrades, migrations, and compatibility across apps)
  • Experience building systems and processes that keep frontend dependencies up to date, stable, and aligned across teams
  • Ability to partner with product engineering teams to improve application architecture, performance, and maintainability in React apps
  • Strong debugging skills, with experience diagnosing cross-app issues spanning packages, build systems, runtime behavior, and CI/CD pipelines
  • Experience supporting large-scale migrations (e.g., library upgrades, architectural shifts, routing changes, state management transitions)
  • Familiarity with CI/CD pipelines, release workflows, and automation for frontend packages and applications
  • Strong communication skills, able to collaborate with design system teams, product engineers, and infrastructure partners
  • Authorized to work lawfully in the United States of America as Calendly does not engage in immigration sponsorship at this time.

Benefits

  • Top Performer Bonus program (or Sales incentive)
  • Equity awards
  • Competitive benefits

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