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Top Senior Level C# Jobs in Denver & Boulder, CO

23+ Job Results
6 Hours Ago
Colorado, CO
2,000 Employees
139K-208K Annually
7+ Years of Experience
2,000 Employees
139K-208K Annually
7+ Years of Experience
Aerospace • Hardware • Information Technology • Robotics
Join us as a Sr Software Test Engineer at Sierra Space in Louisville, CO. You will design and develop cutting-edge software products, create automated test scripts, lead test campaigns, and work in a multidisciplinary team environment. Must have a Bachelor's degree in Computer Science and 10+ years of experience.
Top Benefits:
401-K
401-K Matching
Company-Sponsored Family Events
+28 More
6 Hours Ago
Colorado, CO
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
Cloudflare is seeking a Senior Software Engineer to work on the development of D1, Cloudflare's first serverless database. The role involves building and defining the future of D1 to enable developers to build full-stack applications. Responsibilities include building full-stack web applications, knowledge of various programming languages, experience operating SaaS applications, designing and building APIs, and a strong understanding of computer science fundamentals.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
2 Days Ago
Colorado, CO
364,000 Employees
5-7 Years of Experience
364,000 Employees
5-7 Years of Experience
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
The US Tech Lead at PwC is responsible for driving products and technology into business solutions by leading software engineering activities. The role involves designing, developing, and improving software, applications, and services using Microsoft Full Stack Technologies. The candidate must have 6 years of relevant experience in progressive application development roles.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+66 More

Featured Jobs

2 Days Ago
Colorado, CO
Remote
50,000 Employees
5-7 Years of Experience
50,000 Employees
5-7 Years of Experience
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
The NBC Sports Next Consumer Technology group is seeking a manager of software engineering to lead a team of software engineers in delivering critical projects and systems. Responsibilities include designing, developing, testing, deploying, and improving back-end software and services, performing code reviews, and collaborating with peers and stakeholders to enhance the movie-going experience.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+58 More
4 Days Ago
Colorado, CO
14,500 Employees
96K-138K Annually
7+ Years of Experience
14,500 Employees
96K-138K Annually
7+ Years of Experience
Aerospace • Cloud • Digital Media • Information Technology • Mobile • News + Entertainment • Retail
Senior AWS Connect Developer responsible for designing, implementing, and maintaining complex AWS Connect solutions to enhance customer experiences. Key responsibilities include designing contact flows, developing Lambda functions, integrating with AWS services, configuring API Gateway, monitoring performance, and documenting best practices.
Top Benefits:
401-K
401-K Matching
Company-Sponsored Family Events
+33 More
4 Days Ago
Colorado, CO
Remote
93,000 Employees
127K-215K Annually
7+ Years of Experience
93,000 Employees
127K-215K Annually
7+ Years of Experience
Aerospace • Hardware • Information Technology • Security • Software • Defense
Design, develop and support databases and web applications, create verification test plans, collaborate with team members on solutions, design tools for user efficiency, implement automated data collection software, mentor junior engineers.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+44 More
5 Days Ago
Colorado, CO
Remote
160 Employees
140K-185K Annually
7+ Years of Experience
160 Employees
140K-185K Annually
7+ Years of Experience
Fintech • Mobile • Payments • Professional Services • Software
The Principal Engineer will be responsible for providing technical leadership, project management, design and innovation, mentorship, research and development, collaboration, problem solving, technical documentation, quality assurance, compliance, risk management, continuous improvement, leadership, and development within the engineering department.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+38 More
12 Days Ago
Colorado, CO
Remote
Hybrid
300 Employees
110K-130K Annually
5-7 Years of Experience
300 Employees
110K-130K Annually
5-7 Years of Experience
Insurance • Logistics • Software • Transportation • Business Intelligence
Design, develop, and deliver highly available, secure web applications and services. Innovate architecture, mentor team members, ensure system security, and collaborate in an Agile environment.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+55 More
15 Days Ago
Colorado, CO
Remote
200 Employees
160K-180K Annually
7+ Years of Experience
200 Employees
160K-180K Annually
7+ Years of Experience
Consumer Web • HR Tech
Looking for a dynamic Staff Engineer to lead large-scale architecture initiatives and build Platform services impacting Built In Engineering. Responsible for architecting robust distributed systems designs, coding systems for wide-ranging product lines, and collaborating with Product & Technology teams to build platform services. Must have 10+ years of development experience in .Net and expertise in AWS, Azure, or GCP.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+14 More
16 Days Ago
Colorado, CO
7+ Years of Experience
7+ Years of Experience
Aerospace • Cybersecurity • Defense • Manufacturing
Develop user-facing features for spacecraft operations, translate requirements into code, build APIs, engineer algorithms, write tests and documentation, collaborate with teams, participate in technical design.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+19 More
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