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

Develop production-grade agentic AI applications in Python, including AI agents, multi-agent workflows, APIs, integrations, RAG pipelines, and cloud deployments. Use LLMs, vector databases, agent frameworks, and observability tools while implementing secure, governed AI solutions. Collaborate with clients, architects, product teams, and data scientists through workshops, demonstrations, proofs of concept, and troubleshooting sessions.

Develop scalable Java full-stack applications using Spring Boot, REST APIs, microservices, React or Angular, databases, cloud platforms, Docker, and Kubernetes. Build and integrate generative and agentic AI capabilities, including LLMs, RAG, vector databases, orchestration, tool calling, and MCP. Partner with enterprise stakeholders to prototype, deploy, secure, monitor, and support production solutions while translating ambiguous business needs into technical implementations.

Lead and mentor QA team to define QA strategy and processes. Design, develop, and maintain Java-based Selenium/Cucumber automation frameworks, integrate tests into CI/CD pipelines, test cloud-hosted AWS applications, manage defect lifecycle, define test plans and metrics, and collaborate with DevOps, development, and product teams to ensure software quality across the SDLC.

Design, build, and maintain scalable, responsive web applications using React and TypeScript. Create reusable UI components, implement end-to-end tests with Cypress, optimize performance, collaborate with product/design/backend teams, participate in code reviews, mentor junior engineers, and contribute to architecture and API integrations.

Manage top-of-funnel eCommerce products (browse, search, product pages) across web and mobile. Requires technical proficiency with APIs/microservices, data flow and analytics tag inspection, and digital retail technologies (search platforms, CMS). Own sub-product areas end-to-end, work in agile Azure/ADO environments, and perform basic financial analyses.

Lead creative deliverables for a workstream, overseeing design outputs (comps, style guides, branding, graphics, layouts), contribute to information architecture and content structures, manage project delivery and offshore resources, and align designs with technical feasibility and development handoff.

Build and operate an on-prem AI platform (Model-as-a-Service) including RAG pipelines, vector DBs, MCP tooling, agent repositories, CI/CD integration, and guardrails within MRM. Optimize large on-prem GPU infrastructure and translate business use cases into scalable platform services.

Lead end-to-end UX design: create wireframes, prototypes and mock-ups (Figma); conduct user research and usability testing; use data and AI tools to inform decisions; present to stakeholders; facilitate workshops; integrate design systems into engineering workflows and ensure smooth handoffs.

Develop, test, debug, and maintain software applications and tools using Agile methodologies. Participate in design, architecture, and build phases; evaluate compatibility with existing communications hardware/software; resolve problems and roadblocks; collaborate with internal and external peers and managers; work as both individual contributor and team member to deliver high-quality deliverables.

Full Stack/Frontend Developer to build responsive, accessible, performant UIs using React or Vue, integrate with Java/Spring backends, implement component-based architectures, consume REST APIs, write frontend tests, use modern tooling (Webpack/Vite/Babel/ESLint), and work in Agile teams.