Tonal

Senior Backend Engineer

San Francisco, California, United States

$136,000 – $190,000Compensation
Mid-level (3 to 4 years), Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
AI & Machine Learning, Consumer Software, Enterprise SoftwareIndustries

Position Overview

  • Location Type: Remote, US (San Francisco)
  • Job Type: Full-Time
  • Salary: $136K - $190K

Tonal is seeking a passionate Senior Backend Engineer to build the platform powering the world’s most intelligent personal trainer. This role offers the opportunity to solve challenging problems in a fast-paced, agile environment, developing software for a unique consumer fitness product. You’ll work cross-functionally with product, engineering, and design, contributing to the development of major software projects, including personalized workout recommendations, dynamic media generation, and analytics.

Requirements

  • 3+ years of software development experience
  • Track record of solving problems end-to-end
  • Experience with distributed systems, microservices architecture, and cloud platforms (AWS, Azure, or GCP)
  • Expertise in server-side software development in Golang (or other languages like Rust, C++, C#, Java, Python)
  • Strong understanding of database design and modeling (e.g., PostgreSQL)
  • Excellent communication and collaboration skills within a cross-functional team
  • Experience with data-intensive applications and big data

Responsibilities

  • Impact and contribute to the development of major software projects for backend services.
  • Collaborate with software, hardware, and content teams to evolve a unique consumer fitness product.
  • Work closely with the product team to clarify requirements and develop designs for new features.
  • Implement, test, deploy, and monitor software for 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 make data-driven decisions.
  • Mentor and share knowledge with junior engineers.

Company Information

  • Who We Are: Tonal is the world’s first all-in-one home gym with a simply stunning design. It has completely revolutionized the fitness journey, with adaptive weight and coaching cues powered by advanced A.I. technology. We’ve united a diverse team of experts and decades of research to reinvent strength training, making it more efficient, more effective, and more engaging.
  • Mission: To redefine the future of fitness and Power Progress for our members.

Skills

Golang
AWS
Azure
GCP
PostgreSQL
Microservices
Distributed Systems
Data Pipelines
Data Modeling
Cloud Platforms
Server-side Development
Database Design
Big Data

Tonal

Home gym system with personalized workouts

About Tonal

Tonal offers a home gym solution that combines technology and fitness. Its main product is a wall-mounted fitness system that uses artificial intelligence to create personalized workout plans. This system tracks user performance and provides real-time feedback, helping users achieve their fitness goals. Tonal's equipment can adapt to different fitness levels, offering up to 200 pounds of adjustable weight and the capability to perform over 245 exercises. Unlike many competitors, Tonal focuses on providing a complete fitness experience in one device, eliminating the need for multiple gym equipment or memberships. The company's goal is to make fitness more accessible and convenient for everyone, with a business model that includes selling the equipment and offering a subscription service for ongoing personalized workout programs.

San Francisco, CaliforniaHeadquarters
2015Year Founded
$564.2MTotal Funding
LATE_VCCompany Stage
Consumer Software, AI & Machine Learning, Consumer GoodsIndustries
201-500Employees

Benefits

Competitive compensation
Top quality health care package
Commuter benefits
Parental leave
Flexible vacation days
Weekly catered team lunches
Office happy hours
Team offsites & company-wide events
New equipment on your first day
Tonal discounts

Risks

CEO change may lead to strategic shifts affecting company stability.
Increased competition from brands like Lululemon threatens market share.
High marketing costs with Spartan Race may not convert to long-term customers.

Differentiation

Tonal uses AI to provide personalized strength training workouts.
The equipment offers up to 200 pounds of adaptive weight resistance.
Tonal's wall-mounted design saves space and offers over 245 exercises.

Upsides

Partnerships with niche sports like volleyball and pickleball expand market reach.
Integration with Fitbit Charge 6 enhances user experience with real-time heart rate streaming.
Retail expansion to Best Buy increases accessibility and potential customer base.

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