Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

Full‑stack .NET developer responsible for designing, developing, and maintaining internal and external enterprise applications across framework, middle-tier, and database layers. Troubleshoot performance and code issues, deliver high‑quality, test‑driven releases, and collaborate on fast delivery schedules with a cross‑functional web team.

Work with product managers and business users to gather and translate requirements into functional specifications and acceptance criteria. Support development teams, define user stories in a Kanban/Agile environment, and perform functional and UAT testing. Focus primarily on application development requirements with additional responsibilities for process improvement and product collaboration.

Maintain and publish developer-facing content (API references, guides, tutorials, blogs). Create documentation frameworks, templates, and style guides. Administer the documentation portal and CMS, train and support internal contributors, assist product management with QA and portal feature implementation, and drive continuous improvement of portal strategy and developer community communications.

Design and develop a high-volume, distributed multi-tenant Java platform. Build and deploy Java/Scala services with RESTful APIs in a Big Data environment, focusing on low-latency, concurrency, relational database integration, test-first development, and Agile practices.

Full‑stack senior .NET developer responsible for 80% hands‑on development, code reviews, mentoring, and 20% testing, deployment, and design. Deliver clean, well‑documented, high‑performance applications using C#, ASP.NET/MVC, SQL Server and UI libraries, integrate with web services, and guide teammates to robust solutions.

Administer and maintain Oracle Fusion Middleware and OBIEE infrastructure on Solaris, perform WebLogic and middleware installation, configuration, tuning, security administration, and document installation procedures. Support OBIEE/BI reporting platform and automate WebLogic tasks in a multi-server environment.

Maintain and support a highly available UNIX (AIX) environment: monitor system performance, manage storage and file systems (LVM, NFS), administer VIOS/virtual I/O (etherchannel, NPIV), troubleshoot secure network connectivity, automate tasks with scripting and enterprise tools (HPSA, Puppet), and support a large multi-platform user community.

Implement and maintain enterprise voice communications for clinical and campus environments. Design and deploy voice switches, IVR/ACD/call routing, SoNet Ring, and Call Accounting. Analyze trunk utilization, traffic balancing, security issues, disaster recovery planning/testing, and troubleshoot voice hardware/software. Coordinate with carriers, vendors, and internal teams to maximize availability in a 24x7 environment. Provide technical documentation, cost management, project support, and on-call/overtime coverage as needed.

Design, implement, and automate deployment pipelines (Puppet) and provisioning for Linux/Windows servers. Automate infrastructure services (network devices, AD, DNS, load balancers), build monitoring dashboards and alerts, collaborate with development and infrastructure teams, and eliminate manual tasks to support high-availability SaaS/PaaS systems.

Provide Tier II technical support for ~1,200 end users via calls, email, chat and in-person. Troubleshoot MS Windows and MS Office issues, deliver excellent customer service, escalate complex issues, and optionally support iOS, Mac, Cisco Voice and ServiceNow workflows.