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

Lead architecture and implementation of scalable web applications using NestJS and Next.js. Build and optimize PostgreSQL schemas and queries, implement responsive UIs with Tailwind CSS, integrate LangChain-driven AI features, manage authentication with Clerk, and create end-to-end tests and automation with Puppeteer to ensure launch readiness and reliable user experiences.

Implement and maintain full-stack features for a career-intelligence platform: architect NestJS/Next.js applications, manage PostgreSQL schemas and queries, build responsive UIs with Tailwind, integrate LangChain-powered AI, implement authentication with Clerk, and create end-to-end tests and automation with Puppeteer to ensure launch readiness and performance.

Student internship supporting People Operations: create a strategic hiring plan for a part-time Coordinator, build internal communication structures for the internship program, and complete a course-aligned project with mentor guidance to develop internal processes for educational and marketing teams.

Create standard design guidelines and graphic assets to support the marketing team and fellow interns. Work is project-based, guided by a volunteer mentor, and flexible to meet course internship requirements.

Support internship and volunteer recruiting by posting roles through Dover and social channels, screening applications, communicating with candidates, refining recruiting materials, and coordinating interviews. This fully remote internship offers hands-on talent acquisition experience, mentorship, and exposure to applicant tracking systems and recruiting workflows. The commitment is 5–10 hours weekly for three months, with North Carolina residency preferred and no prior recruiting experience required.

Design onboarding protocols, procedures, documentation, checklists, and reference materials for interns, volunteers, and program participants. Collaborate with the Founder and CEO, interns, and stakeholders to build onboarding systems, identify process gaps, and recommend improvements. This fully remote, unpaid three-month internship requires 5–10 hours weekly and offers mentorship and practical HR and operations experience.

Maintain and update a WordPress website, organize and publish LearnPress course content, troubleshoot minor site issues, and support ongoing website improvements. The intern will collaborate with an AI Curriculum Intern, report to the Founder and CEO, and gain hands-on web management and LMS administration experience in a fully remote, three-month internship.

Leads the organization’s customer experience platform and CCaaS practice, overseeing service delivery, platform availability, operational improvements, vendor relationships, budgets, roadmaps, and customer satisfaction. Manages people and cross-functional partnerships while supporting automation, platform integrations, sales strategies, business development, proposals, and technology demonstrations. Requires strong contact center technology expertise, ITSM knowledge, client-facing consulting skills, and experience with AI, automation, analytics, and enterprise CX platforms.

Leads AI and machine learning engineering for federal and commercial digital transformation initiatives. Assesses support and contact center environments, designs AI-enabled operating models, develops modernization roadmaps, builds prototypes, creates ROI models, and advises executive stakeholders. The role includes architecture, workshops, client consulting, proposal support, business development, and implementation of conversational AI, automation, virtual agents, LLM orchestration, agentic AI, and workflow optimization solutions.

Generalist intern supporting founders across operations, product, and growth. Responsibilities include researching customers and payer workflows, onboarding medical practices, improving prior authorization processes, analyzing feedback, and building simple internal tools and processes. The role requires curiosity, resourcefulness, clear communication, ownership, attention to detail, and careful handling of sensitive information. No prior healthcare experience is required.

Founding Engineer responsible for building FilmoreAI’s production AI and data platform for construction equipment dealers. The role covers agent infrastructure, model routing, LLM extraction and reasoning, canonical data modeling, entity resolution, Python data pipelines, Azure cloud orchestration, evaluation, observability, and safe human-approved write-back. The engineer will work independently in an ambiguous startup environment and use agentic development tools to ship reliable systems with strong cost, latency, accuracy, and operational guardrails.

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.

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.

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.

Own Everbright’s outbound sales motion, initial discovery meetings, prospect follow-up, and mid-pipeline progression for behavioral health practices. Manage the CRM, sales technology stack, pipeline reporting, sales collateral, and signature-to-launch handoffs. Build and prioritize target lists, analyze outbound performance, support account-based marketing, gather market intelligence, and represent the company at conferences. The role is remote-first with 10–20% travel and offers a path toward an independent closing quota.

Lead treasury, token, and capital strategy across fiat, stablecoins, and $VANA. Manage liquidity and market maker relationships, design hedging and yield programs, oversee accounting, compliance, audits, and financial reporting. Advise on tokenomics, build financial models and scenario analyses, support fundraising, and negotiate liquidity and investment deals to preserve runway and advance network stability.

Develop and execute creative marketing campaigns and social content to grow Vana's brand and community. Create copy, visuals, and timely Web3/AI-focused content, manage social channels, engage communities, partner with influencers, track KPIs, and optimize performance.

Design and optimize the builder funnel to attract, onboard, engage, and retain developers and founders. Run programs (hackathons, cohorts), create onboarding resources, analyze KPIs to improve conversion and retention, and build partnerships to expand the ecosystem for decentralized AI and blockchain innovation.

Accounting Intern supporting billing and aged-item cleanup, accounting backlog organization, access reviews, SharePoint file management, record accuracy checks, process documentation, progress tracking, and special accounting projects. The role requires collaboration with Accounting and internal teams, strong attention to detail, analytical and organizational skills, Excel proficiency, and the ability to manage multiple assignments. Prior accounting or insurance experience is not required.