Backend Engineer - Security

What’s in it for you? 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 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. About the team & opportunity What’s so great about working on Calendly’s Security team? Calendly is growing rapidly and is scaling its security team to ensure the security of its users. You will have the chance to work with a small team of exceptional security engineers to build Calendly’s security practice from the ground up. Why do we need you? Well, we are looking for a Security Automation Engineer who will help scale Calendly’s security impact through thoughtful automation and engineering. You will report to the Head of Product Security and operate as a shared service across the broader Security organization, partnering with Product Security, Security Operations, and GRC to design and build automation that reduces risk, improves efficiency, and enables teams to move faster. You’ll bring strong software engineering skills, a systems mindset, and curiosity about security domains along with a passion for leveraging modern tools (including AI) to accelerate development and problem solving. A day in the life of a Security Automation Engineer at Calendly On a typical day, you will be working on: Identifying opportunities to eliminate manual security workflows and replace them with scalable, automated solutions Building internal tools and integrations that automate processes such as vulnerability triage and prioritization, alert enrichment and routing, and GRC evidence collection Partnering with security and engineering stakeholders to understand pain points and translate them into practical technical solutions Designing and building reusable “paved road” solutions that standardize how security workflows are executed across teams Using AI-assisted development tools and LLM APIs to accelerate implementation Continuously improving, maintaining, and scaling solutions to handle increasing volume, complexity, and organizational needs Supporting Product Security workflows as needed, such as security reviews, vulnerability triage, or tooling Supporting the secure usage and development of AI/LLM-powered features across Calendly as needed What do we need from you? 3+ years of professional software engineering experience, with the ability to build and maintain production-quality systems, services, or automation Proficiency in at least one modern programming language (Python, Go, Ruby, or TypeScript preferred) Experience building integrations with APIs and cloud-native architectures. GCP experience is a plus. Strong system design skills, with the ability to build scalable, maintainable automation solutions and improve complex workflows Experience working across multiple domains and partnering with diverse stakeholders Strong communication skills, with the ability to translate ambiguous problems into clear technical solutions and explain tradeoffs to diverse stakeholders Foundational knowledge of common security concepts, tools, and domains such as application or cloud security. Experience using modern AI tools (Claude, Copilot, ChatGPT, or similar) to accelerate development workflows Curiosity and willingness to learn new security domains quickly Understanding of Kubernetes and cloud-native systems 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. Our Hiring Process: We aim to provide an inclusive and equitable candidate experience to everyone who expresses interest in working at Calendly. To learn more about our hiring process, please visit our careers page at www.careers.calendly.com. Once selected for an opportunity, the recruiter assigned to the role will keep you informed every step of the way. Have questions? Let your recruiter know! Want to share your experience? We are passionately committed to improving and building on our process, and we consider feedback a gift. 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 contact us at recruiting@calendly.com . Calendly is registered as an employer in many, but not all, states. If you are located in Alaska, Alabama, Delaware, Hawaii, Idaho, Montana, North Dakota, South Dakota, Nebraska, Iowa, West Virginia, and Rhode Island, you will not be eligible for employment. Note that all individual roles will specify location eligibility. 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 Tier 1 Salary Hiring Range $187,680—$220,800 USD Tier 2 Salary Hiring Range $172,040—$202,400 USD Tier 3 Salary Hiring Range $156,400—$184,000 USD The ranges listed above are the expected annual base salary for this role, subject to change. Calendly takes a number of factors into consideration when determining an employee’s starting salary, including relevant experience, relevant skills sets, interview performance, location/metropolitan area, and internal pay equity. Base salary is just one component of Calendly’s total rewards package. All full-time (30 hours/week) employees are also eligible for our Top Performer Bonus program (or Sales incentive), equity awards, and competitive benefits. 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 1: San Francisco, CA, San Jose, CA, New York City, NY 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 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 let your Recruiter know when first connecting with them. Calendly is registered as an employer in many, but not all, states. If you are located in 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. 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 offsites.