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Software Engineer Sr.

Wiraa

$163,400 - $242,000
Sep 16, 2025
Remote, US
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Calm is seeking a Senior Full-Stack Engineer to serve as the technical lead and primary system owner for Calm’s direct-to-consumer web platform, aiming to deliver reliable, high-performance, and secure digital experiences.

Requirements

  • Proficiency in React, Next.js (App Router, SSR/ISR/SSG), Node.js, and Typescript
  • Experience with backend API design and development
  • Familiarity with end-to-end analytics pipelines (Amplitude, Segment, Google Tag Manager)
  • Knowledge of A/B testing methodologies
  • Experience with Kubernetes, Terraform, and cloud platforms such as AWS, GCP, or GKE
  • Proficiency in writing unit and integration tests within CI/CD environments
  • Ability to mentor and review code to promote best practices

Responsibilities

  • Design, develop, and maintain scalable, reliable, and secure full-stack systems for new features and enhancements
  • Lead the development and deployment of complex frontend features, ensuring seamless integration with backend services
  • Write high-quality, well-documented, and maintainable code adhering to industry standards
  • Implement instrumentation and monitoring to identify and resolve system errors and performance issues
  • Ensure comprehensive test coverage through unit and integration testing in CI/CD pipelines
  • Stay informed on the latest frontend technologies and trends to incorporate innovative solutions
  • Mentor and train junior engineers, fostering a culture of continuous improvement and technical excellence

Other

  • Minimum of 5 years of related experience in full-stack development
  • Proven ability to work effectively in an agile, fast-paced environment
  • Strong problem-solving skills and willingness to learn new technologies
  • Experience in providing accurate estimates and delivering high-quality work on time
  • Excellent communication skills for conveying technical solutions to diverse stakeholders
  • Capacity to work independently and collaboratively under pressure
  • This role is remote but limited to candidates located in the San Francisco Bay Area, Los Angeles, New York City, or Minneapolis.