Top Tech Jobs & Startup Jobs in NYC, NY

Own Harmonic’s activation and growth programs end to end, attracting qualified customers through paid, ABM, events, partnerships, and other channels. Build and manage media plans and budgets, evaluate campaign performance, scale effective programs, and discontinue underperforming efforts. Partner across marketing, sales, product, and leadership to drive top-of-funnel growth, demand generation, and expansion into corporate markets.

Editorial Assistant in a rotational program supporting book selections, editorial operations, licensing, publishing presentations, podcast operations, content development, production, marketing initiatives, influencer programs, and member experience projects. The role includes maintaining databases, analyzing book performance, drafting and proofreading copy, coordinating cross-functional initiatives, testing member experience improvements, and evaluating commercial fiction. The program provides broad exposure before potential specialization after approximately two years.

Supports energy-transition investment products and institutional capital partnerships. Responsibilities include structuring and executing equity solutions, coordinating transaction workstreams, preparing investment memoranda and financial models, managing due diligence data rooms, leading investor diligence, developing investor messaging, and responding to LP inquiries. The role collaborates with investment, sustainability, asset management, and client teams to raise third-party capital for renewable power and decarbonization investments.

Catalogues and researches Modern and Contemporary Art for auctions, valuations, and private sales. Responsibilities include researching provenance, authenticity, bibliography, and exhibition history; preparing catalogue notes, condition reports, marketing materials, and pricing comparables; coordinating photography and copyright clearance; liaising with art-world experts; supporting property reviews and client interactions; and cultivating collector, dealer, curator, and gallery networks.

Own growth and go-to-market transformation for Harness’s Internal Developer Portal. Responsibilities include carrying an ARR target, delivering technical demos, supporting discovery and RFPs, developing AI and developer-experience thought leadership, creating marketing and sales-enablement content, building business-value assessments and demo environments, and feeding customer-driven product gaps to engineering. The role partners closely with sales while driving the product toward a product-led or sales-attached growth motion.

Manage and grow Twelve's Target account by owning sales performance, assortment planning, forecasting, retail execution, promotions, inventory, and cross-functional coordination. Present business reviews, lead RFPs, and ensure retailer compliance to hit revenue, margin, and growth targets.

Manages daily office operations while providing high-level support to the CEO. Responsibilities include calendar and travel management, communications, meetings, vendors, office supplies, facilities, onboarding, events, expenses, records, executive hospitality, and special projects. The role also supports board and leadership meetings, handles confidential information, and tracks follow-up actions in a hybrid New York City office environment.

Leads after-school fashion design activities for students, teaching sewing, garment construction, fashion illustration, fabric use, and related techniques. Develops lesson objectives, prepares materials, demonstrates equipment and safety procedures, manages student behavior, adapts instruction to student needs, evaluates progress, and guides students toward a final project. The role requires reporting to a New York City public school, collaborating with school communities, and obtaining required Department of Education and Department of Health clearances.

Provides administrative and legal support by managing calendars, case files, pleadings, discovery indexes, exhibits, evidence, billing, correspondence, and document systems. Conducts legal research, drafts and proofreads documents, coordinates clients, witnesses, hearings, meetings, interviews, and depositions, and supports attorneys with case preparation. The role requires strong organization, communication, multitasking, and knowledge of litigation procedures.

Temporary Recruiting Intern supporting law school hiring and summer associate recruiting. Responsibilities include scheduling interviews, coordinating campus and recruiting events, managing program logistics, processing reimbursements, maintaining applicant and candidate data, updating presentation materials, and drafting communications. The role requires strong administrative, organizational, interpersonal, communication, multitasking, and Microsoft Office skills.