Senior Software Engineer - iOS & Backend

About Calm

Calm is on a mission to support everyone on every step of their mental health journey. With the #1 app for sleep, meditation and relaxation as well as a growing library of digital, evidence-based mental health programs, Calm offers trusted support for individuals and organizations alike. Our flagship consumer app provides personalized content and activities – featuring a range of experts and beloved celebrity voices – to help users manage stress, improve sleep and live mindfully. Our workplace and healthcare solutions offer a consumer-friendly approach to clinical content and HIPAA-compliant resources in order to drive positive health and business outcomes. Named a  TIME100 Most Influential Company , Calm supports more than 150 million people and 3,500 organizations across seven languages and 190 countries.

What You'll Do

As a Senior iOS Engineer at Calm, you’ll build and improve the features that help millions of people live happier, healthier lives. You'll work closely with designers, product managers, and data scientists to craft smooth, engaging mobile experiences that attract and retain users. Your work will directly shape the future of Calm’s iOS app and contribute to meaningful user engagement.

In this role, you will:

• Develop new features to enhance user experience, improve engagement, and drive business growth.


• Own technical projects from ideation to release, ensuring performance, scalability, and reliability.


• Collaborate across teams (Product, Design, Android, Backend) to align on goals and implement best practices.


• Improve app performance by identifying bottlenecks, optimizing code, and refining UI interactions.


• Stay up-to-date with iOS technologies, contributing ideas and improvements to Calm’s mobile ecosystem.


• Ensure quality and stability through rigorous testing, debugging, and performance monitoring.


• Optimize deployment workflows, contributing to CI/CD pipelines and automating key development processes.

What Makes You Successful

• Passion for building intuitive, high-quality mobile experiences that users love.


• Ability to drive projects independently while collaborating effectively with cross-functional teams.


• Strong problem-solving skills—you're eager to tackle challenges, learn new technologies, and optimize workflows.


• Excellent communication skills, making technical concepts clear and accessible to stakeholders.

Who You Are

• 5+ years of software development experience, including 3+ years in iOS/Swift development.


• Experience building iOS apps in Swift (SwiftUI is a plus).


• Proficiency with Xcode tools for debugging and performance optimization.


• Strong understanding of REST APIs, GraphQL, and MVVM architecture.


• Experience with backend technologies (Node.js, Go, Python, etc.).


• Experience working with CI/CD pipelines (CircleCI) to automate testing and deployment.


• A product-focused mindset, ensuring technology aligns with business goals and user needs.

Tech Stack

• Swift, SwiftUI, legacy Objective-C


• REST APIs


• RealmSwift for local db


• MVVM Architecture


• Xcode


• CircleCI and Github actions for CI/CD


• Typescript & Node.js

Calm uses a geographic pay model that determines salaries based on the location where an employee lives. For this position, the base pay ranges across Calm’s pay tiers is as follows: $159,000 - $259,700. The base pay range represents the low and high end of Calm’s salary range for this position. Not all candidates will be eligible for the upper end of the salary range. Exact salary will ultimately depend on multiple factors, which include the successful candidate's geographic location, skills, experience and other qualifications.

Calm uses employee zip code to determine which pay range applies.

This role is also eligible for equity + comprehensive benefits + 401k + flexible time off.

Please note that Calm may leverage artificial intelligence technology in the application review process.

Calm is committed to providing reasonable accommodations for qualified individuals with disabilities, including disabled veterans. If you require a reasonable accommodation to complete any part of the application or interview process, please contact Calm’s Recruiting team at  View email address on jobs.jobcopilot.com . All accommodation requests will be handled confidentially and assessed on a case-by-case basis.

We believe that mental health is health, and every person should be considered in the discussion. That’s why we’re proud to be an equal opportunity workplace, committed to providing equal employment opportunities to all applicants and employees regardless of race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, medical condition, genetic information, military or veteran status, gender identity or expression, sexual orientation, or any other characteristic protected by applicable federal, state or local law.

Calm is deeply committed to diversity, equity and inclusion. We strive to create a mindful and respectful environment where everyone can bring their authentic self to work, and experience a culture that is free of harassment, racism, and discrimination.

Employment offers are contingent upon the successful completion of a background check. Roles which require access to certain types of information may also require the successful completion of a drug screening.

FOR US BASED POSITIONS: Calm participates in e-verify. E-verify provides the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.