Senior Software Engineer (Backend - C#) - TrainingPeaks

General Summary

Join TrainingPeaks as a Senior Software Engineer on our Workout Data team and help build the future of endurance training.

At TrainingPeaks, we empower athletes and coaches to reach their goals through data-driven performance tools. As a Senior Software Engineer, you’ll play a key role in shaping the technical foundation of those tools. You’ll take ownership of critical systems that process, store, and serve the workout data that drives our platform, from concept to deployment and beyond.

You’ll dive into a dynamic stack, building scalable services, evolving APIs, and transforming modern architectures. You’ll help ensure our platform performs reliably at scale, supporting the world's best endurance athletes and their coaches.

This isn’t a role where you’ll be handed specs and left in a silo. You’ll be part of architecture discussions, mentor teammates, and bring new ideas to the table. You’ll be encouraged to experiment, grow your skills, and lead meaningful improvements to our tech and our team. If you're passionate about clean code, system performance, and real-world impact, we want to hear from you.

You thrive on collaboration, continuous learning, and solving tough problems. You value craft, care deeply about product quality, and are motivated by the knowledge that your work helps real people achieve peak performance.

You will sit directly with the Engineering Team and report to the Manager, Engineering.

Core Functions :

• Build features that athletes and coaches love. Regularly ship thoughtful, user-focused functionality that evolves with our growing customer base and raises the bar for performance.
• Tackle complex technical challenges to ensure our systems stay fast, reliable, and resilient.
• Design and implement backend and frontend systems that elevate team productivity, code quality, and long-term maintainability.
• Craft stable, scalable, and well-documented APIs that power our products and support our internal and external development partners.
• Help elevate the skills of your teammates by coaching junior engineers and sharing your expertise in code reviews and architecture discussions.
• Contribute to a culture of clean, performant, and secure code through collaborative reviews and continuous improvement.
• Participate in our on-call rotation (~1 week per quarter) to keep our platform running smoothly and reliably.
• Help foster open communication, promote best practices, and explore emerging technologies to keep our team sharp and forward-thinking.

Requirements

Required Qualifications :

Benefits

Benefits

Compensation

Peaksware / TrainingPeaks is committed to fair and equitable compensation practices. The annual compensation range for this role in Colorado is $111,216 - $185,360. Final compensation for this role will be determined by various factors such as a candidate’s relevant work experience, skills, and certifications.

This role is eligible for variable compensation, including bonus.

Benefits and Perks

Health

Disability and Life

Additional