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Full Stack .NET Developer

Apex Systems

Denver, COJobSeen 1w agoSeen in employer's feed 1 day ago

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At a glance

Compensation
No compensation found
Location
Denver, CO
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Job overview

The Full Stack .NET Developer contributes to requirements refinement, proof-of-concept work, application design and development, and automated testing. The role works with Angular, .NET Core, APIs, distributed applications, and multiple architectural approaches. It also supports technical problem-solving and collaboration with cross-functional teams. The position is onsite in Denver, Chicago, Washington, DC, or Charlotte.

Skills & qualifications

RequiredNice to have

Skills

Angular.NET CoreRESTful Web APIsScalable Application DevelopmentFunctional ProgrammingDomain-Driven DesignConsumer-Driven ContractsClean ArchitectureCQRSAPI InstrumentationAPI ResiliencyAPI CachingAPI ModularityOAuthJWTSwaggerUnit TestingTest-Driven DevelopmentContinuous IntegrationInversion of ControlSQL ServerGitAgile DevelopmentSoftware Development LifecycleData Access TechnologiesCross-Functional CommunicationEvent-Based IntegrationMessage BrokersKafkaRabbitMQJira Workflow ConfigurationJira API IntegrationsKanbanScrumCybersecurity Workflows

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match

Full job description

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{rel="noopener noreferrer" target="_blank"} 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{rel="noopener noreferrer" target="_blank"} 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 ou 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. UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems. VEVRAA Federal Contractor. We request Priority Protected Veteran & Disabled Referrals for all of our locations within the state.

How this job compares

Set against the 1,578 open Full Stack Developer jobs on Olive Jobs, counted October 30, 2026.

Pay
  • This postingNot listed
  • Colorado median$95–158K/yr38 salary ranges
  • US median$60–65/hr72 hourly ranges
Openings
Olive Jobs lists 55 open Full Stack Developer jobs in Colorado and 1,578 across the US. 6% of them nationwide are listed as remote or flexible.
Hiring the most in Colorado
Experience
Full Stack Developer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 6 years (1,356 postings).
Education
653 of the 1,578 open Full Stack Developer jobs (41%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 30, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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