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Sr Dot Net Developer Jobs in Colorado (NOW HIRING)

Senior .NET Developer

Highlands Ranch, CO · Remote

$57.75 - $73.50/hr

Senior Developer Duration: 1 year contract with extension/conversion possible, barring budget and ... NET 2010/2012 (ASP.NET - C#). Perform unit testing and integration testing of said applications.

Senior .NET Developer

Englewood, CO · On-site

$54.25 - $69/hr

Senior .NET Developer 6 month CTH or possibly perm for the right person. Are you the one who people come to for help with code issues or performance problems? Do you have a library of resources ready ...

Dot Net Developer

Denver, CO · Remote

$49.75 - $65.50/hr

... .NET 4.5 and the C# programming language. Perform unit testing and integration testing of said ... Must be a self starter and willing to take limited direction from senior staff. * Must be present ...

.Net Developer

Denver, CO · On-site

$49.75 - $65.50/hr

May offer consultation to senior leadership and is considered to be the top-level in this field ... Net Core 5/6 - at least 2 years * 3. Blazor Web Assembly with Server - at least 2 years * 4. Razor ...

Our client is seeking a Senior Software Developer for our Englewood, CO office. Work with a small ... NET and various other tools & technologies. Be part of a fast paced, nimble, fun and friendly team ...

Software Developer WPF/.NET

Golden, CO · On-site

$55K - $155K/yr

Salary range ($55,000 to $155,000) reflects Junior to Senior positions. The position and salary ... NET MVC / WebAPI, Entity Framework and SQL Server Azure Devops Git Source Control xUnit Testing ...

C# Developer, Sr.

Arvada, CO · On-site

$55.75 - $73.75/hr

... Senior C# Developer to join their team. This role involves developing commercial software in an ... NET development • developing rich UI web applications • developing multi-lingual UI ...

C# Developer, Sr.

Arvada, CO · On-site

$55.75 - $73.75/hr

... Senior C# Developer to join their team. The role involves developing commercial software in an ... NET and C#. Responsibilities : • This person will be part of a team developing commercial ...

Sr.Net Developer

Denver, CO · On-site

$56 - $74/hr

Details: Sr. Net Developer Location: Denver, CO - Onsite (Need someone Local or Nearby Only ... HTML, CSS, Javascript, JQuery. * Back End Technologies/Concepts: ASP.NET MVC, C# and RESTful API ...

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Sr Dot Net Developer information

See Colorado salary details

$38

$63

$82

How much do sr dot net developer jobs pay per hour?

As of Jul 30, 2026, the average hourly pay for sr dot net developer in Colorado is $63.30, according to ZipRecruiter salary data. Most workers in this role earn between $55.62 and $70.77 per hour, depending on experience, location, and employer.

What is the difference between Sr Dot Net Developer vs Dot Net Developer?

AspectSr Dot Net DeveloperDot Net Developer
ExperienceTypically 5+ yearsEntry to mid-level, 1-3 years
ResponsibilitiesDesign, lead projects, mentor juniorsDevelop applications, coding, testing
SkillsAdvanced coding, architecture, leadershipCore programming, basic architecture
CertificationsOften required or preferredOptional or early career

The main difference between a Sr Dot Net Developer and a Dot Net Developer lies in experience, responsibilities, and skill level. Senior developers lead projects and mentor others, while developers focus on coding and implementation. Both roles require strong knowledge of .NET technologies, but senior roles demand more leadership and architectural skills.

How does a Sr Dot Net Developer typically collaborate with cross-functional teams during a project lifecycle?

As a Sr Dot Net Developer, you will often work closely with business analysts, UI/UX designers, project managers, and QA engineers throughout the software development lifecycle. Your role involves translating business requirements into technical solutions, participating in code reviews, and providing technical mentorship to junior developers. Effective communication and proactive problem-solving are key, as you'll be expected to contribute to architectural decisions and ensure smooth integration with other system components. Regular meetings, sprint planning sessions, and collaborative troubleshooting are common parts of the workflow.

What are Sr Dot Net Developers?

Sr Dot Net Developers are experienced software engineers who specialize in designing, developing, and maintaining applications using Microsoft's .NET framework. They typically have several years of hands-on experience with .NET technologies such as C#, ASP.NET, and SQL Server. In addition to coding, they often lead development teams, establish coding standards, and ensure the overall quality and performance of software solutions. Their responsibilities may also include mentoring junior developers, participating in architectural decisions, and collaborating closely with other departments to deliver robust business applications.

What are the key skills and qualifications needed to thrive as a Sr Dot Net Developer, and why are they important?

To thrive as a Sr Dot Net Developer, you need advanced proficiency in C#, ASP.NET, SQL, and a strong background in software development, typically backed by a degree in computer science or related field. Experience with tools like Visual Studio, Azure DevOps, and familiarity with frameworks such as .NET Core, along with relevant certifications like Microsoft Certified: .NET Developer, are highly valuable. Strong problem-solving abilities, effective communication, and leadership skills help in collaborating with teams and mentoring junior developers. These skills ensure the delivery of robust, scalable applications and drive project success in dynamic technical environments.
What are popular job titles related to Sr Dot Net Developer jobs in Colorado? For Sr Dot Net Developer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Sr Dot Net Developer jobs in Colorado look for? The top searched job categories for Sr Dot Net Developer jobs in Colorado are:
Infographic showing various Sr Dot Net Developer job openings in Colorado as of July 2026, with employment types broken down into 82% Full Time, 7% Part Time, 1% Temporary, and 10% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $131,670 per year, or $63.3 per hour.

Senior .NET Developer

Collabera

Highlands Ranch, CO • Remote

$57.75 - $73.50/hr

Other

Re-posted 14 days ago


Job description

Company Description

We provide cost-effective, high quality IT resources to meet talent needs through Staff Augmentation, Global Talent Management, Value Added Services through CLASS (Competency Leveraged Advanced Staffing & Solutions) Permanent Placement Services and Vendor Management Programs.
Collabera has been a leader in IT staffing for over 24 years and is one of the largest diversity IT staffing firms in the industry. We are known for our high-touch, customer-centric approach, offering our clients unmatched quality, responsiveness and flexibility. We are appreciated by our clients for our streamlined execution, highly efficient service and exceptional talent management that go above and beyond traditional staffing services. Collabera has been named the Best Staffing Firm to Work For in the large firm category by Staffing Industry Analysts, the global advisor on contingent work, for four consecutive years.

Job Description

THE OPPORTUNITY:
Job Title:                                             Senior Developer
Duration:                                             1 year contract with extension/conversion possible, barring budget and performance
Location:                                             Highlands Ranch, CO

The successful candidate will be part of a team to design and develop browser-based middle tier and front-end applications for the Prepaid suite of products using Visual Studio.NET 2010/2012 (ASP.NET - C#). Perform unit testing and integration testing of said applications. Interface directly with staff members of Development, Product Management, Project Management, and Quality Assurance.
The main function of an analyst/developer is to develop and design web applications and web sites. A typical analyst/developer is responsible for directing web site content creation, enhancement and maintenance. An entry level analyst/developer typically has a Bachelors degree or equivalent training with previous experience. As the levels progress, the years experience increase along with leadership expectations, with the introduction of a supervisory role at Level 4. The technical skills, including the knowledge of computer hardware and software, increase across levels, starting from basic at Level 1 to expert at Level 5.
Major Job Duties and Responsibilities:
    Analyze and develop web applications using C#, .NET 3.5 - 4.5, TFS, & ASP.NET.
    Design, develop, document and implement new functionality, as well as enhancements, modifications, and corrections to existing software.
    Develop unit-tests and oversee execution.
    Create documentation and procedures for installation and maintenance.
    Build and maintain relationships with global and virtual teams on software development or support issues.
    Work as part of a development team and establish close working relationships with stake holders, quality assurance, architects, as well as management.
    Identify opportunities for further enhancements and refinements to standards and processes.
    Prepare design documents; evaluate and recommend solutions to meet user requirements; define and implement solutions.
    Champion for improvements in process/procedures.

Qualifications

Qualifications:
    Minimum of 5 years of hands-on experience in developing and supporting web applications for large corporations.
    Minimum of 5 or more years of experience using C#, ASP.NET 2.0 and the .Net framework (versions 3.5 - 4.5).
    Expert in defining remote communication methodologies such as web services, WCF, MQ, and remoting.
    Experience with AJAX, WPF, WF, and the MVC/MVVM design pattern is desirable.
    Experience with .Net application security and familiarity OWASP recommendations.
    Expert in best practices for web application development and design patterns.
    Experience with coding accessible websites (Section 508 and/or WCAG 2.0) is preferred.
    Experience with Localization / Internationalization of web applications.
    Working knowledge of SQL Server, stored procedures, database design.
    Experience with Cascading Style Sheets (CSS) / javascript.
    Development experience in a cross-platform, multi-tier environment.
    Strong technical, estimating, design and analytical aptitude.
    Ability to provide oversight for design deliverables and development tasks.
    Proven leadership ability.
    Consistently able to assess and evaluate problems and manage risk to the service when recommending change.
    In-depth knowledge of the software development life cycle required.
    Ability to develop code that follows established coding guidelines.
    Strong communication skills with proven ability to present complex ideas and document in a clear and concise way.
    Quick learner; self-starter, detailed and thorough.
    Multitasking between designs, development, and defect resolution.

Additional Information

Additional Details:
    Must be a self-starter and willing to take limited direction from senior staff.
    Must be present in the office during work hours with ability to work from home in limited scenarios. Laptop provided. No telecommuting.
    Local candidates strongly preferred.
    Financial industry experience or experience with high-performance applications strongly preferred