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Staff Software Engineer, Backend

tonal.com Logo

Tonal

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Location:
United States , San Francisco ▼

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

200000.00 - 220000.00 USD / Year
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Job Description:

Tonal is looking for a passionate Staff Backend Engineer to work cross-functionally with product, engineering, and design, and play a critical role in building the platform that powers the world’s most intelligent personal trainer. You will be given the opportunity to solve challenging problems in the development of software for a unique consumer fitness product. You are entrepreneurial, thrive in a fast-paced, agile environment, and execute at an A-level. Like us, you value clean, fast, high-performing, and maintainable software.

Job Responsibility:

  • Impact and contribute to the development of major software projects for our backend services
  • Collaborate with our tightly integrated software, hardware and content teams to continually evolve a unique, consumer-oriented fitness product
  • Work closely with product team to clarify requirements and develop designs for new features
  • Implement, test, deploy and monitor software for our cloud-based backend microservices
  • Write and review clean, secure and testable code with a focus on maintainability, scalability and performance
  • Develop and support cloud-based big data pipelines
  • Use analytics to understand product behavior and motivate data-driven decisions
  • Mentor and share your broad knowledge with more junior engineers

Requirements:

  • 5+ years of software development experience
  • Track record of solving problems end-to-end
  • Experience with distributed systems, microservices architecture, cloud platforms (AWS, Azure or GCP) and RESTful APIs
  • Expertise in server-side software development in Golang (or other languages, e.g. Rust, C++, C#, Java, Python)
  • Strong understanding of database design and modeling (e.g., PostgreSQL)
  • Excellent communicator with the ability to work collaboratively and cohesively in a cross-functional team
  • Experience with data-intensive applications, big data pipelines and analytics, having used tools such as Snowflake, DataBricks, Amplitude and Looker

Nice to have:

  • Experience with Kubernetes, Helm, Docker, ArgoCD
  • Experience with Postgres, Redis, Kafka, Airflow
  • Experience with Android development, Flutter, Kotlin
  • Experience with Swift/SwiftUI
  • Experience working with remote teams
  • Experience integrating with Stripe, OneSignal
  • Interest in the fitness industry
What we offer:

Offers Equity

Additional Information:

Job Posted:
February 18, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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