Top Tech Jobs & Startup Jobs in NYC, NY

Own multi-state U.S. payroll for 600–1,000 employees across approximately 35 states, including payroll processing, audits, corrections, and employee support. Manage a comprehensive compliance calendar covering federal and state filings, screenings, training, policy updates, and employment-law changes. Design internal controls, maintain audit evidence, improve procedures, and build automation. Partner with People Operations, Accounting, Legal, outside counsel, and the payroll provider to ensure accurate, timely, and compliant payroll operations.

Build and own backend services for a private markets investing platform. Deliver end-to-end software across design, implementation, testing, deployment, and operations. Collaborate with product and engineering teams, iterate on ambiguous problems, apply distributed systems principles, and incorporate AI/LLMs for data extraction and document generation. Participate in recruiting and maintain high-quality delivery practices.

Provide administrative support including office supply procurement, onboarding, event and travel coordination, mail and digital file management, bookkeeping and vendor management, HR-related administrative tasks, support for software transitions, document creation/editing, and reception coverage to maintain an efficient office environment.

Build and manage restaurant partnerships for MealPal by recruiting new merchants, identifying decision-makers, scheduling meetings, conducting high-volume outreach, negotiating offerings, solving partner challenges, and handling day-to-day requests. The role is full-time and on-site in Midtown Manhattan, Monday through Friday.

Build and ship AI-powered products end-to-end, design architectures for retrieval, memory, and agentic systems, and implement evaluation pipelines. Work in small, ambiguous startup teams, communicate effectively, and demonstrate strong software engineering fundamentals alongside deep LLM and agentic systems expertise.

Build and own Uniti’s growth marketing engine across content, product launches, video, website, email, paid campaigns, events, case studies, and sales enablement. Partner with product, sales, customer success, and leadership to develop positioning, campaigns, landing pages, and demand-generation programs that increase engagement and pipeline. Manage HubSpot segmentation, inbound marketing, customer stories, and AI-assisted content production in a fast-growing B2B AI startup.

As an Account Executive, you will drive revenue growth by identifying business opportunities, nurturing client relationships, and closing deals, focusing on the energy market.

Embed with customer-facing teams to gather requirements, write PRDs, and own feature delivery end-to-end. Build and ship fixes on a Ruby on Rails and React stack, use AI-enabled engineering workflows, handle P2/P3 support, escalate critical incidents, and collaborate on product prioritization and technical sequencing.

The role focuses on business operations and strategy, aiming to unlock customer value through effective account expansion, contract management, and strategic communication with stakeholders.

Mercor is offering $5 million in grants for research on AI capabilities, including real-world evaluations, interactive environments, long-horizon tasks, agentic systems, reasoning, post-training, and evaluation methodology. Academic groups, independent researchers, and nonprofits may apply with a focused proposal. Applicants should describe their team, background, research accomplishments, project, expected outputs, impact, timeline, and resource needs. Funded projects are expected to produce public research, datasets, methodologies, or tools.