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Top Senior C# Jobs in Denver & Boulder, CO

7 Days Ago
Colorado, CO
Hybrid
20 Employees
150K-175K Annually
Senior level
20 Employees
150K-175K Annually
Senior level
Cloud • Digital Media • Professional Services • Database
The Senior Software Engineer will work with a small team to develop and refine post-production cloud storage solutions. Responsibilities include writing full-stack software, leading feature development, and collaborating with team members and projects while ensuring quality through testing and refactoring.
Top Benefits:
401-K Matching
Company Equity
Company Outings
+20 More
10 Days Ago
Colorado, CO
2,000 Employees
121K-166K Annually
Senior level
2,000 Employees
121K-166K Annually
Senior level
Aerospace • Hardware • Information Technology • Robotics
As a Sr. Systems Engineer at Sierra Space, you will analyze customer needs to develop ground network solutions, specific integration, test plans, and support CI/CD pipelines for ground infrastructure. This role requires system-level ownership throughout the product lifecycle, working collaboratively in a multi-disciplinary environment and ensuring adherence to engineering principles.
Top Benefits:
401-K
401-K Matching
Company-Sponsored Family Events
+28 More
18 Days Ago
Colorado, CO
Remote
3,300 Employees
168K-240K Annually
Senior level
3,300 Employees
168K-240K Annually
Senior level
Information Technology • Security • Cybersecurity
As a Senior Software Engineer on the Zero Trust team, you will develop high-performance networking code for the Zero Trust desktop client, focusing on Windows internals and network protocols. You will enhance code quality, build testable foundations, and collaborate with product managers to implement features, while tackling complex challenges related to performance and security.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
69 Employees
111K-185K Annually
Senior level
Fitness • Software
As a Senior Software Engineer, you will develop and support applications for TrainingPeaks Virtual, focusing on modular client and backend code. Responsibilities include delivering features, improving scalability, addressing performance issues, mentoring junior developers, and enhancing best practices in software development.
Top Benefits:
401-K
401-K Matching
Company Outings
+39 More
24 Days Ago
Colorado, CO
269 Employees
111K-185K Annually
Senior level
269 Employees
111K-185K Annually
Senior level
Fitness • Music • Software
As a Senior Software Engineer at TrainingPeaks, you will create and support sites and services, develop modular code, improve system scalability, enhance APIs, refactor code, mentor junior developers, and contribute to architecture discussions while driving quality and performance enhancements.
Top Benefits:
401-K
401-K Matching
Company Outings
+39 More
24 Days Ago
Colorado, CO
775 Employees
120K-135K Annually
Senior level
775 Employees
120K-135K Annually
Senior level
Real Estate • Retail • Sales • Analytics • Hospitality • PropTech
The Senior Full Stack Software Engineer will develop software solutions, analyze problems, and create innovative platforms. This role involves mentoring team members, leading production deployments, and ensuring high-quality documentation and testing processes. The engineer will work closely with business partners to deliver scalable solutions and address production support requests.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+47 More
5 Days Ago
Colorado, CO
114 Employees
90K-120K Annually
Senior level
114 Employees
90K-120K Annually
Senior level
Transportation
The Software Engineer will enhance and fix software products in a fast-paced agile environment, writing and testing code for both Windows and Web applications, while collaborating closely with the development team to ensure quality enhancements and defect resolutions.
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