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

Design and build scalable backend systems, data pipelines, and cloud infrastructure. Own CI/CD, containerization, databases, and reliability; collaborate with tech leads to deliver secure, production-grade solutions for startups in a fully remote environment.

Serve as the CEO's strategic and operational right hand at an AI LegalTech startup: prepare executive/board/investor materials, build financial models and decks, contribute litigation expertise to product content, validate LLM-generated analyses, drive cross-functional execution, manage company operations (recruiting, vendor administration, OKRs), represent the CEO, and handle special projects across finance, legal, and partnerships.

3-month contract Frontend Engineer to build client-facing UIs and integrations for cybersecurity use cases. Collaborate with product, design, and engineering to deliver secure, performant, scalable features, maintain component libraries and automated tests. Remote (GMT+8) role focused on TypeScript and modern web tooling.

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.

Lead and scale marketing across consultancy and product studio: define positioning, run digital/social/content campaigns, implement lead-gen systems, manage internal and external teams, integrate AI and martech, track KPIs and ROI, and evolve brand voice and messaging.

Work directly with the Chief of Staff and leadership to define and lead high-impact strategic initiatives end-to-end. Conduct quantitative and qualitative analyses (CLV, cohort, pricing, forecasting), develop recommendations and implementation plans, and drive execution across commercial, product, retention, pricing, channel, and organizational scaling priorities.

Lead growth marketing across a studio and portfolio ventures: source contacts, run outbound sequences, build SEO-optimized content architectures, automate workflows, manage social presence, use AI for drafting, and optimize campaigns with data-driven experiments to drive customer acquisition and brand visibility.

Join as a full-stack software engineer to design, develop, and maintain web applications and services. Collaborate cross-functionally, write clean code, perform code reviews, debug issues, and stay current with industry trends.

Internship role to design and implement automated testing using low-code/no-code platforms. Create, maintain, and run automated test cases, document and track defects, produce test plans and reports, improve test coverage, and communicate progress with clients and teams. Involves end-to-end responsibility from planning through deployment and incorporation of feedback.

The role involves creating and publishing daily social media content targeting Korean students preparing for TOEFL, using performance metrics for improvement.