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Top C# Jobs in Denver & Boulder, CO

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Be an Early Applicant
2 Days Ago
Colorado, CO
Remote
15,000 Employees
$100K-$120K Annually
3-5 Years of Experience
15,000 Employees
$100K-$120K Annually
3-5 Years of Experience
Professional Services • Software • Analytics • Consulting • Energy
UL is seeking a Software Developer to work on desktop applications, windows services, and web-based development initiatives. Responsibilities include code development, testing, research, and technology evaluation. The developer will be part of a Scrum Team and collaborate on technical enterprise initiatives.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+30 More
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2 Days Ago
Colorado, CO
Remote
660 Employees
$104K-$172K Annually
7+ Years of Experience
660 Employees
$104K-$172K Annually
7+ Years of Experience
Consulting
Analyzing, designing, and developing software solutions using Microsoft Power Platform tools for a consulting firm specializing in business transformation. Providing technical leadership, collaborating with colleagues, and staying updated on emerging technology trends.
Top Benefits:
401-K
Company Outings
Dedicated Diversity Inclusion Staff
+25 More
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2 Days Ago
Colorado, CO
2,000 Employees
$159K-$239K Annually
7+ Years of Experience
2,000 Employees
$159K-$239K Annually
7+ Years of Experience
Aerospace • Hardware • Information Technology • Robotics
Join Sierra Space as a Principal Software Engineer working on spacecraft flight software. Responsibilities include assessing spacecraft designs, conducting research, estimating costs, providing technical leadership, overseeing subcontracted efforts, and developing embedded flight code. Must have a Bachelor's degree in Computer Science or related field with 14+ years of experience.
Top Benefits:
401-K
401-K Matching
Company-Sponsored Family Events
+28 More

Featured Jobs

Be an Early Applicant
3 Days Ago
Colorado, CO
Hybrid
2,506 Employees
$75K-$115K Annually
1-3 Years of Experience
2,506 Employees
$75K-$115K Annually
1-3 Years of Experience
Information Technology • Insurance • Software
As a Software Engineer II at Vertafore, you will work on developing high-quality applications, implementing innovative solutions, and contributing to a collaborative team environment. Responsibilities include feature development, bug fixing, testing, and continuous technical growth. Qualifications include a Bachelor's degree in Computer Science, proficiency in C# and MSSQL, experience with Agile development, and a passion for clean code and problem-solving.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+52 More
Be an Early Applicant
3 Days Ago
Colorado, CO
Remote
50,000 Employees
$110K-$155K Annually
5-7 Years of Experience
50,000 Employees
$110K-$155K Annually
5-7 Years of Experience
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
As a Senior Software Engineer at NBCUniversal, you will write clean, state-of-the-art code, collaborate with teams to improve engineering quality, design software solutions, push technical boundaries, and ensure software quality through automated testing. Must have 5+ years of experience, knowledge of cloud computing platforms like AWS and Azure, proficiency in Python, Angular, JavaScript, TypeScript, and experience in building scalable distributed systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+58 More
Be an Early Applicant
8 Days Ago
Colorado, CO
14,500 Employees
$76K-$108K Annually
5-7 Years of Experience
14,500 Employees
$76K-$108K Annually
5-7 Years of Experience
Aerospace • Cloud • Digital Media • Information Technology • Mobile • News + Entertainment • Retail
The Service Assurance Engineer II is responsible for monitoring network performance, analyzing data, troubleshooting technical issues, implementing automation, and providing technical guidance within the Network Operations Center.
Top Benefits:
401-K
401-K Matching
Company-Sponsored Family Events
+33 More
12 Days Ago
Colorado, CO
$110K-$160K Annually
$110K-$160K Annually
Hardware • Healthtech • Biotech
Develop software for medical devices, participate in new product development, support existing applications, perform software validations, analyze software issues.
Be an Early Applicant
14 Days Ago
Colorado, CO
Remote
5-7 Years of Experience
5-7 Years of Experience
Hardware • Information Technology • Software
Experienced Software Engineers—a world of opportunity awaits you! Are you looking for the kind of opportunity that truly challenges you to use the skills you’ve worked so hard to build? We can help!
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14 Days Ago
Colorado, CO
Hybrid
160 Employees
$140K-$185K Annually
7+ Years of Experience
160 Employees
$140K-$185K Annually
7+ Years of Experience
Fintech • Mobile • Payments • Professional Services • Software
Principal Engineer specializing in data governance and management at FRONTSTEPS, responsible for setting high standards in development phases with a focus on data integrity, compliance, and innovation. Key role in mentoring teams, managing engineering projects, and ensuring alignment with data governance standards.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+38 More
Be an Early Applicant
15 Days Ago
Colorado, CO
Remote
5,000 Employees
$136K-$174K Annually
5-7 Years of Experience
5,000 Employees
$136K-$174K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • Software • Cybersecurity
As a Developer Advocate at Datadog, you will utilize your engineering and storytelling skills to educate and empower user communities in the field of Modern App Development. You will speak at conferences, interface with open source communities, create developer documentation and training materials, and contribute to the product.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+62 More
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