Full Stack .NET Developer

Apex Systems; Denver (CO); On-site; USD 102,000 - 105,000; Part time

Benefits offered by this job

Medical, dental, vision insurance

Life and disability insurance

ESPP and 401K with company match

HSA (HDHP)

Job summary

Everforth Apex is seeking a Full Stack .NET Developer to join our Denver team. You will contribute to story refinement, execute proof of concepts, and build scalable, multi-tier applications using Angular and .NET Core 6+.

You will implement RESTful APIs, write unit and automated tests, and collaborate across technical and non-technical teams to deliver high-quality software. Ideal candidates have strong API design, security (OAuth/JWT), CI/CD, and familiarity with SQL Server.

Qualifications

• Experience designing and implementing RESTful Web APIs on recent .NET Core versions.
• Proficient with API instrumentation, resiliency, caching, and modularity.
• Proficient with API Security Frameworks such as OAuth and JWT.
• Understanding of unit testing frameworks, TDD, CI, and IoC.
• Knowledge of SQL Server databases.
• Experience in Agile development processes and SDLC phases.

Responsibilities

• Contribute to story refinement and defining requirements.
• Perform proof of concepts to mitigate risk or implement new ideas.
• Code solutions and unit tests to meet acceptance criteria.
• Utilize multiple architectural components in design and development.
• Assist team with resolving technical complexities.
• Design, develop, and modify architecture components, interfaces, and enablers.
• Design, develop, and maintain automated test suites for integration, regression, and performance.

Skills

Angular 14+

.NET Core 6+

RESTful APIs

Functional Programming

Domain Driven Design

CQRS

OAuth/JWT

Swagger

Unit Testing/TDD

CI/CD/IoC

SQL Server

Git

Agile/Scrum/Kanban

Event-Based Messaging (Kafka/RabbitMQ)

Tools

Swagger

Git

Jira

Kafka

RabbitMQ

Job description

# Full Stack .NET DeveloperApply**Job#: 3056163****Job Description:**Full Stack .NET Developer**Location:** Denver, CO/Chicago, IL, Washington, DC, Charlotte, NC (Onsite)Key Responsibilities* Contribute to story refinement and defining requirements.* Perform proof of concepts as necessary to mitigate risk or implement new ideas.* Code solutions and unit tests to deliver requirements per the defined acceptance criteria.* Utilize multiple architectural components in the design and development of client requirements.* Assist the team with resolving technical complexities.* Design, develop, and modify architecture components, application interfaces, and solution enablers.* Design, develop, and maintain automated test suites for integration, regression, and performance.Required Qualifications* Knowledge of Angular 14+.* Knowledge of .NET Core 6+.* Experience designing and implementing RESTful Web APIs on recent .NET Core versions.* Application Programming/Development experience designing, developing, and deploying scalable, high-volume, multi-tiered, distributed transactional applications.* Understanding of Functional Programming, Domain Driven Design, Consumer Driven Contracts, Clean Architecture, and CQRS.* Proficient with API instrumentation, resiliency, caching, and modularity.* Proficient with API Security Frameworks such as oAuth and JWT.* Proficient with API documentation tools like Swagger or similar.* Understanding of unit testing frameworks, TDD, CI, and IoC.* Knowledge of SQL Server databases.* Understanding of the Git version control system.* Experience working in an Agile development process and understanding of various phases of the Software Development Lifecycle.* Experience in data access technologies and patterns.* Ability to communicate with technical and non-technical cross-functional teams.Preferred Qualifications* Recent Angular Experience.* Knowledge of designing and implementing Event-Based integration services using Message Brokers such as Kafka or RabbitMQ.* Experience with Jira/Jira Service Management Workflow Configuration and API Integrations.* Knowledge of software development lifecycle, preferably with Agile, Kanban, or Scrum.* Experience with cyber security related workflows, solutions, or implementation. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [e-mail] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Location:** Denver, CO, US**Job Type:****Date Posted:** October 16, 2026**Pay Range:** $74 - $76 per hour