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

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Volunteer product specialist to drive product lifecycle: requirements gathering, market and competitor research, roadmap and roadmap execution, prototyping requirements for engineering, cross-functional planning, timelines, go-to-market strategy and product launch. Initial assignment includes launching a fundraising campaign. Remote, part-time (minimum 4 hours/week) with weekly standups.

Volunteer TikTok Content Developer to create engaging short-form videos, appear on camera, collaborate with the brand designer, launch a fundraising campaign, attend weekly standups, and commit at least 4 hours weekly.

Volunteer Principal Front End Developer to build React/React Native web and mobile features, mentor engineers, implement scalable full‑stack solutions, ensure cross‑browser compatibility and testing, work with Node/MongoDB/AWS, attend weekly standups, and support a fundraising launch. Minimum 4 hours/week commitment.

Volunteer generalist supporting nonprofit formation, day-to-day operations, tracking pro bono matters, social media and marketing content, IT and finance support, research, and special projects. Requires proactive, independent work and weekly standups.

Volunteer marketing strategist to research market fit and competitors, plan and execute integrated paid and social campaigns, optimize online presence and lead-nurturing, analyze campaign performance, and support content, product launches, and fundraising. Requires collaboration with team, weekly meetings, and minimum 4+ hours/week commitment.

Volunteer marketing specialist to research market fit and competitive landscape, support market-entry evaluation, run research and analytics, help optimize automation and lead-nurturing, assist campaign execution and content creation, and produce monthly KPI reports. Requires weekly standups and minimum 4 hours/week commitment.

Provide Robert's Rules guidance to the CEO, review agendas, facilitate meetings, take and distribute minutes, resolve procedural conflicts, and support continuous improvement. Attend weekly standups and commit to at least 4 hours/week; first task will help launch a fundraising campaign.

Volunteer HR Generalist to support recruiting (sourcing, screening, interviewing, onboarding), maintain personnel records and new-hire documentation, coordinate office operations and policies, publish job ads, schedule interviews, prepare reports and presentations, and assist with initial fundraising campaign. Attend weekly meetings and commit to minimum 4+ hours weekly.

Lead development and fundraising efforts for an early-stage nonprofit: research grants, draft proposals, build donor relationships, plan events, track results, and report to leadership. Volunteer, remote, minimum 4 hours/week and weekly standup attendance required.