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Sr. Software Engineer, Backend

Calm

$163,400 - $242,000
Oct 9, 2025
San Francisco, CA, US
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Calm is looking to solve the problem of supporting everyone on every step of their mental health journey by building and maintaining reliable, performant, and secure backend systems that power their mobile and web applications.

Requirements

  • Experience with Javascript/Typescript (required)
  • Experience with Node.js (required)
  • Experience with GoLang (preferred)
  • Experience with Docker
  • Experience with Kubernetes
  • Experience with Terraform
  • Experience with AWS / GCP / GKE

Responsibilities

  • Collaborate with stakeholders to gather requirements, define project scope, and develop technical specifications
  • Design, develop, and maintain backend systems that are reliable, scalable, and secure
  • Lead development and implementation of complex backend features and services, collaborating cross-functionally with QA, DevOps, PMs, and client engineers to ensure smooth development and deployment process
  • Write high-quality, well-documented, and easily maintainable code that adheres to industry standard best-practices
  • Ensure high test coverage for all code, including unit and integration tests
  • Implement backend features with instrumentation and monitoring to detect system errors and performance issues
  • Stay up-to-date on the latest backend technologies and trends

Other

  • 5+ years of related experience
  • Ability to work independently and as part of a team
  • Ability to meet deadlines and work under pressure
  • Excellent communication skills, with the ability to convey technical solutions to both technical and non-technical stakeholders
  • Willingness and enthusiasm to learn new technologies and tackle challenging problems