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Freelance Backend Net Developer Jobs in Colorado

Sr.Net Developer

Denver, CO · On-site

$56 - $74/hr

Net Developer for one of our clients. Details: Sr. Net Developer Location: Denver, CO - Onsite ... HTML, CSS, Javascript, JQuery. * Back End Technologies/Concepts: ASP.NET MVC, C# and RESTful API ...

.NET Developer

Denver, CO · On-site

$49.75 - $65.50/hr

HTML, CSS, Javascript, JQuery. Back End Technologies/Concepts: .NET core, C# and RESTful API design ... DevOps principles Experience with TFS and Azure DevOps tool suite is strongly preferred: Boards ...

.NET Developer

Denver, CO · Remote

$49.75 - $65.50/hr

HTML, CSS, Javascript, JQuery. Back End Technologies/Concepts: .NET core, C# and RESTful API design ... DevOps principles Experience with TFS and Azure DevOps tool suite is strongly preferred: Boards ...

Lead React Developer

Louisville, CO · On-site

$60.75 - $77.75/hr

... not freelance / hobby experience) • Solid understanding of fundamental programming concepts • ... backend systems via REST API's • Experience with reactive programming concepts and RxJS • ...

Specialized Software Developer: IV

Centennial, CO · On-site

$53.75 - $71/hr

... back end development. • Demonstrated experience developing enterprise applications using C#/.NET ... Azure DevOps. • Working knowledge of secure coding practices and regulatory requirements (e.g ...

Senior Fullstack Engineer

Boulder, CO · Hybrid

$135K - $160K/yr

Lead implementation of back-end systems in C#/.NET. * Define API and service design patterns. * Guide database architecture and performance optimization. * Mentor engineers through design reviews and ...

Senior Fullstack Engineer

Boulder, CO · On-site

$135K - $160K/yr

Lead implementation of back-end systems in C#/.NET. * Define API and service design patterns. * Guide database architecture and performance optimization. * Mentor engineers through design reviews and ...

Senior Fullstack Engineer

Boulder, CO · Hybrid

$135K - $160K/yr

Lead implementation of back-end systems in C#/.NET. * Define API and service design patterns. * Guide database architecture and performance optimization. * Mentor engineers through design reviews and ...

Fullstack Engineer

Boulder, CO · Hybrid

$95K - $115K/yr

Engineering Manager Primary Responsibilities ... Design, build, and maintain back-end services using C#/.NET. * Develop APIs supporting bid ...

Fullstack Engineer

Boulder, CO · On-site

$95K - $115K/yr

Engineering Manager Primary Responsibilities ... Design, build, and maintain back-end services using C#/.NET. * Develop APIs supporting bid ...

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Freelance Backend Net Developer information

What is the difference between Freelance Backend Net Developer vs Freelance Frontend Net Developer?

AspectFreelance Backend Net DeveloperFreelance Frontend Net Developer
Primary FocusServer-side logic, databases, APIsUser interface, client-side scripting, design
Required Skills.NET, C#, SQL, REST APIsHTML, CSS, JavaScript, frameworks like Angular or React
Work EnvironmentServer environments, cloud platforms, backend systemsWeb browsers, UI/UX design, client devices
Common UsageBuilding and maintaining server-side applicationsCreating interactive and responsive user interfaces

While both roles involve .NET technologies, Freelance Backend Net Developers focus on server-side development, databases, and APIs, whereas Freelance Frontend Net Developers specialize in creating engaging user interfaces and client-side functionality. Understanding these differences helps clients choose the right freelancer for their project needs.

What are the most commonly searched types of Backend Net Developer jobs in Colorado?

The most popular types of Backend Net Developer jobs in Colorado are:

What job categories do people searching Freelance Backend Net Developer jobs in Colorado look for?

The top searched job categories for Freelance Backend Net Developer jobs in Colorado are:

Infographic showing various Freelance Backend Net Developer job openings in Colorado as of August 2026, with employment types broken down into 81% Full Time, 9% Part Time, and 10% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution.

Sr.Net Developer

Denver, CO • On-site

NAVA Software Solutions
IT Services • 51 - 200 employees

$56 - $74/hr

Full-time

Re-posted 16 days ago


Job description

NAVA Software solutions is looking for a Sr.Net Developer for one of our clients.
Details:
Sr. Net Developer
Location: Denver, CO - Onsite (Need someone Local or Nearby Only)
Duration: 6-12 months
Requirement:
  • In depth knowledge of application development, and application design
  • Demonstrated a high level of understanding in development concepts, technical designs, database designs, application specifications and system integration.
  • Full stack application development experience and experience mentoring/assisting junior team developers.
  • Front End Technologies/Concepts: HTML, CSS, Javascript, JQuery.
  • Back End Technologies/Concepts: ASP.NET MVC, C# and RESTful API design
  • Relational (Oracle, SQL Server).
  • Strong Oracle experience - Required
  • Source control using git - Required
  • Working with legacy code - Required
  • Powershell & Unix Bash Shell Scripting - Required
  • Networking, Debugging networking issues - Required
  • Working knowledge of Continuous Integration/Continuous Deployment and DevOps principles
  • Experience with Azure DevOps tool suite is strongly preferred: Boards, Wiki, Repos, Pipeline, Test Plan, Artifacts, etc.
  • Experience with real-time logging and monitoring tools like Splunk
  • Excellent team player with the ability to influence and negotiate
  • Effective time management. Must be able to prioritize and multi-task effectively
  • Passion for enterprise-level agile development, problem solving, the ability to quickly learn new concepts, and must be able to interact with all levels of technical and business teams
  • Team player, self-motivated and able to work collaboratively across organizations and geographic locations

Scope of Work
Contractor, will be working on the Department of Human Services Trails Product and shall provide the Services in an agile environment as follows:
  • Review, analyze and recommend updates to scalable components within the platform.
  • Implement bug fixes and enhancements to the Trails environment utilizing tools AzureDevOps, Oracle and Visual Studio.
  • Provide support and debug issues identified within the Colorado Child Welfare System environment
  • Create and enhance scripts/snippets of code for the application to be run on the RedHat Enterprise Linux environment.
  • Developing client server application/process and libraries.
  • Document the required system information.
  • Identifying bottlenecks or bugs and troubleshooting integration issues.
  • Testing code quality and durability.
  • Maintaining the automation and quality of the code.
  • Independently develop .NET solutions to enhance a web enabled Modernized Trails environment.
  • Be capable of maintaining source repository using AureDevOps/Team Foundation Server.
  • User Acceptance Testing (UAT) coordination with state program staff on changes and meeting user story requirements.
  • Perform unit testing and documentation of developed code.
  • Debug issues identified within testing efforts and generate bug descriptions and service desk tickets as needed.

NAVA Software Solutions logo

About NAVA Software Solutions

Sourced by ZipRecruiter

NAVA is a strategic partner for companies seeking to develop or customize software and products. Our team of experts leverages cutting-edge technology and deep industry knowledge to provide customized solutions that drive business success. Whether you're looking to improve your operations, increase efficiency, or bring a new product to market, NAVA has the expertise and resources to help you achieve your goals. Trust us to be your partner in software and product development.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Rocky Hill, CT, US

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