Top Tech Jobs & Startup Jobs in NYC, NY

Volunteer senior developer to design, build, and maintain a cross-platform medical scheduling app (web, iOS, Android). Participate across the full development lifecycle: design, coding, testing, CI, deployments, code reviews, production support, incident management, and platform architecture. Attend weekly standups and commit at least four hours per week.

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.

Write and edit original marketing and communications copy across digital channels; research audiences; collaborate with account and creative teams; present and revise deliverables; steward brand voice; optimize messaging for SEO, engagement, and conversion; and participate in weekly meetings. This is a volunteer, remote, part-time role (minimum 4 hours/week) supporting a pre-seed nonprofit/tech startup.

Design and produce social-media content and graphics (Instagram, Facebook, email banners), support short-form video/animation (Reels, TikTok optional), attend weekly standups, commit ≥4 hours/week, and help launch a fundraising campaign for an early-stage nonprofit/tech startup.

Design, build, test, and support EPIC integration solutions across the full interface lifecycle. Gather requirements, resolve integration issues, develop standards and documentation, and provide production support within a remote, volunteer, part-time setup.

Volunteer role to develop financial projections and fundraising strategy for an early-stage nonprofit/tech startup. Responsibilities include financial modeling for pitch materials, identifying funding sources (donors, grants, crowdfunding), and advising on investment of firm funds. Requires weekly meetings and a minimum 4+ hours/week commitment.