Design, develop, and maintain the services and frameworks that product teams depend on
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
Contribute to architectural decision and technical strategy for the platform that drives the look and feel of our frontend
Provide guidance to engineers across the organization, share your expertise in frontend platform systems, and help establish patterns and practices that raise the bar for engineering excellence
Own and contribute to significant projects from concept to production
Deliver high impact solutions with quality and reliability at the forefront
Partner with product managers, designers, and engineering teams across Calendly to translate their needs into robust platform solutions
Ensure reliability and performance of platform services through thoughtful monitoring, testing, and incident response
Participate in on-call rotation to support business-critical systems and drive continuous improvement based on operational learnings.

Requirements

6+ years of software engineering experience at a SaaS or technology company, with a strong focus on modern frontend architecture
Deep expertise 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
Proven ability to own and evolve 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
Comfortable acting as a force multiplier: unblocking teams, providing architectural guidance, and reducing single-points-of-failure in the frontend ecosystem
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

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

ReactTypeScriptWebpackfrontend architectureapplication architecturedependency managementperformance optimizationdebuggingCI/CD pipelinesautomation

Soft Skills

communicationcollaborationguidanceproblem-solvingleadership