Full Stack .Net Developer

About the Role We're partnering with a mission-driven organization seeking an Experienced Full Stack .NET Developer to join a highly collaborative and experienced software development team. This opportunity is ideal for a hands-on developer who enjoys working across both modern web applications and desktop technologies while contributing to application modernization initiatives.

You'll play a key role supporting business-critical applications, developing new solutions, and helping drive technology improvements across the organization. The team is looking for someone who can step in quickly, take ownership, and make an immediate impact.

Responsibilities Design, develop, test, and support custom business applications

Build scalable solutions using C#, .NET 8+, and Blazor Maintain and enhance existing WPF desktop applications

Develop front-end and back-end functionality in a true full stack capacity

Consume, build, and integrate RESTful APIsParticipate in architecture discussions and contribute to software design decisions

Utilize Azure Dev Ops throughout the development lifecycle

Build and maintain automated testing solutions

Troubleshoot production issues, defects, and performance concerns

Participate in Agile ceremonies, code reviews, and sprint planning

Create technical documentation and contribute to development best practices

Support modernization and migration initiatives while maintaining existing systems

Tools & EnvironmentC#.NET 8+BlazorWPFREST APIsHTML, CSS, Java Script Azure  Dev Ops Playwright Fla UISelenium

Agile / Scrum Git Hub  Copilot, Microsoft Copilot, ChatGPT, or similar AI development tools

Top Skills Required5+ years of enterprise-level C#/.NET Full Stack Development Strong hands-on experience with Blazor Experience developing and supporting WPF desktop applications

Strong understanding of application architecture and design patterns

Experience with Azure Dev Ops Automated  testing experience using Playwright, FlaUI, Selenium, or similar frameworks

Experience building and consuming RESTful APIsAbility to quickly become productive in an established development environment

Workplace Perks
100% Remote (Colorado Residents Only)
Work alongside a highly experienced development team Opportunity to contribute to meaningful technology initiatives

Exposure to both modern and legacy application environments

Collaborative culture with direct interaction across technical and business teams

Streamlined 2-step interview process

Mission-driven organization focused on creating a positive community impact

We reserve the right to pay above or below the posted wage based on factors unrelated to sex, race, or any other protected classification.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. This temporary role may be eligible for the following:
Medical, dental & vision 401(k)/Roth Insurance (Basic/Supplemental Life & AD&D) Short and long-term disability Health & Dependent Care Spending Accounts (HSA & DCFSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)  Job Type & Location This is a Contract position based out of Denver, CO.Pay and Benefits The pay range for this position is $50.00 - $60.00/hr individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:

Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Job Type & Location This is a Contract position based out of Denver, CO.Final date to receive applications

This position is anticipated to close on Nov 5, 2026.Workplace Type This is a fully remote position.

About TEKsystems

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