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Frontend .NET Developer (no c2c)

TheorisEnglewood, COMay 16th, 2026
JOB TITLE: Frontend .Net Lead (only W2, no, c2c)LOCATION: Onsite in Greenwood Village, COINDUSTRY: Financial TechnologyJOB SUMMARY: We are seeking a Full Stack .NET Developer with a strong frontend focus to build secure, scalable web applications. This role emphasizes modern UI development (Angular/React) along with backend API development and deployment in Azure. This is a contract-hire position. RESPONSIBILITIES:Develop and maintain full stack applications with a focus on frontend UI/UXBuild secure, scalable web applications and APIs using .NETDeploy and manage applications in Azure cloud environmentsImplement CI/CD pipelines and automate deploymentsCollaborate in Agile/Scrum teams to deliver high-quality solutionsIdentify and resolve performance, security, and scalability issues REQUIREMENTS:5+ years of full stack development experienceStrong frontend development skills using Angular and/or ReactExperience building secure, user-focused web applicationsProficiency in .NET development (APIs, web apps, services)Hands-on experience with Azure, including:API ManagementApp Services / Web AppsAPI ServicesAzure SQL DatabaseKey VaultEntra IDFront DoorApplication GatewayExperience with CI/CD pipelines and deployment automation (Azure DevOps or similar)Experience working in Agile/Scrum environmentsStrong problem-solving and communication skillsPreferred:Experience with Terraform (IaC)Familiarity with FedRAMP, FISMA, or Zero Trust Architecture About TheorisOur goal is to Fuel Your Career! As a Theoris team member, you join a culture based on people-centered values and an environment that fosters both personal and professional growth. We build long-term relationships with our clients and our consultants. With over 30 years of building strong relationships in the industry, we’re uniquely positioned to make the right connections. Our recruiting teams are experts dedicated to the information technology and engineering staffing space and are highly respected by our client base.