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

Work directly with customers to design, deploy, and integrate end-to-end AI evaluation pipelines. Curate data, define annotation schemes, set up LLM-based judges, run initial experiments, produce actionable results, and translate technical systems into practical workflows for users.

Build production-grade LLM systems and RAG/agent applications, embed with client engineering teams, transfer knowledge, create curriculum and educational content, and contribute reusable patterns, documentation, and internal tooling while ensuring production quality and operational readiness.

Hands-on growth-focused engineering role: create content, manage community and partnerships, and build production-grade LLM-powered systems with client teams. Embed with clients, own technical architecture, ship reliable AI/ML applications (RAG, agents, fine-tuning), transfer knowledge, contribute to documentation and internal tooling, and support go-to-market and sales activities.

Embed with client teams to design, build, and ship production-grade AI systems (LLM-powered apps, RAG, agents). Own architecture, write maintainable tested code, debug production issues, transfer knowledge, and contribute learnings, docs, and internal tooling.

Lead strategic finance engagements including financial and operating modeling, unit economics, cash management, and transaction support (M&A, equity/debt fundraising). Advise C-suite, implement process automation, oversee external providers, and deliver actionable recommendations to improve profitability, cash flow, and capital structure.

Lead and manage client engagements delivering financial operating models, strategic analyses, and recommendations to C-suite. Oversee M&A and fundraising work, ensure project delivery, support business development and proposals, and mentor team members to maintain high standards.

Perform financial and operational analysis, build models and dashboards, translate data into strategic recommendations, support fundraising and M&A workstreams, prepare CEO/BOD-ready materials, execute unit economics, pricing, and ROI projects, and improve firm tools and client delivery.

The AI Engineer will build data pipelines and improve ML systems for reliability in production. Responsibilities include schema design, data infrastructure, and model evaluation, ensuring high-quality outputs and integration with product workflows.

The Principal Engineer will lead the design and delivery of core platform capabilities, focusing on scalable systems, AI application, and mentoring engineers while driving architectural decisions and improving operational systems.

The Director of Strategic Initiatives leads the Campus Ambassador Program and oversees educational campaigns, partnerships, and strategic communications. They will develop frameworks, build partnerships, and manage teams to enhance the foundation's global impact on animal welfare and sustainability.

The Volunteer Digital Marketing Manager will manage SEO, AEO, content strategy, email marketing, and analytics to enhance the online presence of the Humane Choices Foundation, aiming to improve discoverability and engagement.

Six-month engineering internship building production backend services and AI pipelines. Design SQL schemas (PostgreSQL), implement SaaS integrations (REST APIs, webhooks), work with embeddings, transformer models and vector databases, build end-to-end data processing pipelines, and contribute to code reviews and architecture discussions.

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.

Build and execute email and SMS campaigns in Salesforce Marketing Cloud; develop and troubleshoot HTML/CSS email templates; traffic assets and maintain campaign calendars; coordinate across teams; perform QA/UAT on ad-hoc and automated journeys; and consult on technical email development and best practices.

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.

Build and maintain core backend services and frontend interfaces for a music metadata and royalties platform. Own features end-to-end, collaborate with founders and designers, optimize for performance, security, and scalability, and integrate modern AI and infra tools.

Develop creative campaign strategies rooted in consumer psychology for frequent product launches. Translate cultural insights into narratives, collaborate with Design/Marketing/Production, analyze campaign performance, and build a new creative strategy function within a global remote team.

Part-time fractional senior finance operator embedded with a consumer goods client. Own FP&A across three entities, build rolling forecasts, working capital and cash flow models, support financing and lender materials, advise on inventory and channel economics, and establish reporting cadence and financial processes to support rapid retail-driven expansion.