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

Work with the development team to build and debug web applications: write Python backend code, create responsive HTML/CSS/JavaScript frontends, integrate frontend and backend, participate in code reviews and testing, learn frameworks and document progress.

Develop and validate astrodynamics models across LEO, GEO, cislunar, and multi-body regimes. Generate synthetic observation datasets for machine-learning systems, implement orbit-determination and estimation chains, analyze covariance, observability, and estimator convergence, and define anomalous dynamical behavior. The engineer will collaborate with data science, software, systems engineering, and research-institution partners while contributing physics-based inputs to SDA programs and serving as the technical authority for orbital mechanics.

The AI Marketer/DevRel will enhance brand awareness through technical content, community engagement, and storytelling while fostering developer relations.

Contract 2D Art Generalist creating concept art, illustrations, and character art for a surreal roguelike. Collaborate with the team to produce stylized, memorable visuals, iterate on art direction, and integrate assets into the game.

LOOKOUT News seeks freelance journalists, writers, and photographers to pitch articles focusing on solutions journalism and accountability reporting, especially around LGBTQ+ and underreported communities.

The Senior Product Manager will lead integration strategies for CEXs and Web3 Wallets, drive operational efficiency, and collaborate with engineering and business development teams to enhance core infrastructure and connectivity.

Performs standard and advanced secretarial and administrative duties under general supervision. Supports a manager or senior manager, completes independent project assignments, and applies knowledge of departmental practices and district policies and procedures.

Recruit, onboard, match, monitor, and support technical mentors overseeing student open-source software projects. Responsibilities include mentor calls, reviewing weekly reflections, tracking team meetings, checking in with mentors, escalating concerns, and optionally recruiting volunteer mentors through outreach to technology companies. The role is contractor-based, flexible, fully online, and requires availability during some US working hours.

Serve as the US-based technical contact for industrial valve and fluid-control customers. Responsibilities include responding to technical inquiries, maintaining customer relationships, conducting occasional site visits, gathering requirements, supporting quotations and technical proposals, sharing market intelligence, coordinating orders, and resolving routine technical issues. The role requires an established US industrial network, product knowledge, B2B communication skills, account management experience, and comfort with an independent, commission-based consultant model.

Leads development of complex digital, mixed-signal, RF, and communications hardware from concept through production. Designs circuits and multilayer PCBs, performs signal and power integrity analyses, develops verification strategies, conducts board bring-up and validation, resolves technical issues, and supports manufacturing transition. Collaborates with software, mechanical, manufacturing, and systems teams while mentoring junior engineers and maintaining engineering standards.