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

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Serve as the firm's enterprise cloud subject-matter expert focused on Microsoft Azure. Define cloud architecture, standards, landing zones, governance, and FinOps; build proofs of concept and reference implementations; lead migrations and hybrid-cloud designs; advise executives; review solutions; mentor IT staff; and provide technical leadership across infrastructure, data, application, AI, and security domains.

Founding engineer responsible for architecting and building core product systems, writing scalable Python backend code, designing and maintaining AI/ML infrastructure, instituting best development practices (testing, CI/CD), collaborating on product roadmap, and mentoring future engineers.

Lead onboarding, adoption, and support for courier customers; troubleshoot workflows; analyze customer data for churn risks; surface product feedback; identify expansion opportunities; build scalable CS processes and documentation while collaborating with product, sales, and engineering.

Manage retention and growth of truck equipment and trailer business across the Northeastern US; build and maintain sales pipeline and forecasts in Salesforce, prospect and close new accounts, support dealers and fleets, attend trade shows, collaborate with internal teams, handle post-sales follow-up, and travel frequently for field and manufacturing visits.

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.

Develop and deploy Salesforce Marketing Cloud solutions: build email templates and web pages (HTML/CSS/JS), write AMPScript/SSJS/WSProxy, manage Automation Studio and Journey Builder, create integrations via REST/SOAP APIs, design data models with SQL and data extensions, document setups, and collaborate across teams while owning technical decisions.