Calendly is seeking a Senior Backend Engineer to design and build its next-generation AI Platform, focusing on scalable, reliable, and performant backend systems for AI services.
Requirements
- Hands-on experience building distributed systems, GraphQL and RESTful APIs, and/or microservices architectures.
- Strong proficiency in at least one backend programming language (such as Python, Go, Java, or Scala).
- Experience with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker, Kubernetes).
- Familiarity with storage solutions relevant for AI (e.g., PostgreSQL, MongoDB, Redis, object storage, data lakes).
- Knowledge of security, privacy, and compliance principles in distributed/cloud environments.
- Comfortable with CI/CD pipelines, version control systems (Git), and infrastructure-as-code.
Responsibilities
- Architect, implement, and maintain backend services and APIs for AI-driven products and features.
- Build scalable infrastructure to support large-scale training, deployment, and monitoring of machine learning models.
- Integrate third-party AI/ML solutions where appropriate and optimize system performance.
- Implement security, compliance, and data privacy best practices for AI workflows.
- Collaborate cross-functionally with ML engineers and data scientists to enable seamless model deployment and management.
- Develop testing frameworks and monitoring tools to ensure system reliability and observability.
- Debug production issues across services and multiple levels of the stack
Other
- Professional experience (typically 8+ years) as a backend engineer or in a similar software engineering role, ideally supporting data or ML systems.
- If you thrive in a fast-paced team and are excited by solving complex technical problems in the AI space, we want to hear from you!
- 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.
- All candidates can find our Candidate Privacy Statement here.
