Senior Software Engineer – TrainingPeaks Virtual

Peaksware Holdings, LLC

Senior Software Engineer on TrainingPeaks Virtual team. Responsible for building backend systems and developing features for endurance training applications.

Posted 5/1/2026full-timeLouisville • Colorado • 🇺🇸 United StatesSenior💰 $111,216 - $185,360 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudJenkins.NETPostgresSQLUnity

About the role

Key responsibilities & impact

Build features that athletes and coaches love. Own them end to end, from requirements through deployment, with real accountability for outcomes.
Tackle complex technical challenges to ensure our systems stay fast, reliable, secure, and resilient.
Design and implement backend 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.
Contribute to our CI/CD pipeline and testing culture as we build the foundation for scale.
Help elevate the skills of your teammates by participating in code reviews and sharing your expertise in architecture discussions.
Help foster open communication, promote best practices, and explore emerging technologies to keep our team sharp and forward-thinking.

Requirements

What you’ll need

5+ years of experience working on challenging problems in complex applications
Experience developing in C# and .NET
Experience working with relational database systems such as SQL Server or PostgreSQL
Experience designing and building RESTful APIs
Experience addressing problems of scale
Experience with automated testing and writing highly testable code
Experience with CI/CD processes and tools such as TeamCity, Jenkins, GitHub Actions, etc.
Experience with AWS or similar cloud technologies
Strong written and verbal communication skills
Game development or Unity experience is a plus but not required
Demonstrated commitment to continuous improvement of yourself and your team
Degrees are not required and we value all forms of continued education including traditional four-year degrees, post-graduate degrees, associates degrees, bootcamps, online training, professional certifications, self-teaching and more.

Benefits

Comp & perks

We offer comprehensive health benefits including medical, dental, and vision insurance; health savings and flexible spending accounts, paid parental leave; and an employee assistance program.
Additional coverage options including Accident & Critical Illness insurance as well as Hospital Indemnity are also available.
We offer several company paid options including Short Term Disability, Long Term Disability, as well as Basic Life Insurance and AD&D.
Additional coverage options including Employee-paid Supplemental Life Insurance for Employee, Spouse, and/or Child are also available.
We offer a 401(K) including a company match.
We observe 12 paid holidays annually and provide discretionary Flexible Time Off. Employees also receive free access to our products, corporate discounts, and professional development resources.
Access to the Performance and Recovery Center (PARC), our on-site fitness facility, as well as employee only access to on-site locker rooms and showers.
Employee only access to secure, indoor bike storage and access to e-bikes exclusively to Peaksware employees.
Access to our onsite Music and Podcast Studio.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C#.NETSQL ServerPostgreSQLRESTful APIsautomated testingCI/CDTeamCityJenkinsGitHub Actions

Soft Skills

strong written communicationstrong verbal communicationcommitment to continuous improvementteam collaborationcode review participationarchitecture discussionsopen communicationpromoting best practices