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

Lead Hasana's marketing and communications as a volunteer: manage social media and digital communications, create content (posts, flyers), support event and fundraising marketing, track engagement and refine strategies, and maintain consistent, professional messaging.

Build and scale an agentic AI stack for healthcare revenue cycle: implement voice AI pipelines, LLM orchestration, integrations with EHRs/RCM systems, real-time analytics, dashboards, and production-grade full stack features working closely with founders and customers.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

Part-time recruitment assistant to manage end-to-end tech hiring: create postings, source and screen candidates, conduct initial interviews, coordinate offers and onboarding, maintain recruitment records, and support HR administrative tasks in a remote contractor role.

Organize and curate large volumes of raw information: extract key points from transcripts, maintain clean spreadsheets, curate links/resources, tag and categorize content, and follow or propose systems for information structure. Part-time remote role with initial 10 hours/week and potential to grow.

Own the full sales cycle for an early-stage AI recruiting platform: prospect, demo, negotiate, close deals, build pipeline, refine outbound strategy with the CEO, represent the company at events, and coordinate handoffs with Customer Success to ensure long-term account health.

Build and operate production private AI platform capabilities (agentic/multi-agent systems, orchestration, auto fine-tuning, runtime/model optimization). Implement evaluation, monitoring, safety/rollback controls, developer-facing APIs, and tooling. Partner with data and infra teams to ensure reliable, performant AI inference in constrained edge environments.

Gather and document business and user requirements, define system scope, suggest workflow improvements, modify/test/implement third-party software or scripts, lead small-to-mid projects, fully document requirements/testing/code/processes, and mentor Associate Systems Analysts.

The Senior Software Developer II - Full Stack will design and develop scalable systems, leading projects while mentoring junior staff and engaging with stakeholders. The role emphasizes technical leadership, problem-solving in software development, and innovative processes in cloud and AI technologies.