Top Tech Jobs & Startup Jobs in NYC, NY

Design and productionize ML models and agentic systems for intraday financial alpha generation. Build data pipelines, experiment frameworks, and portfolio optimization methods. Collaborate with quants and engineers to move models from research to live trading environments.

Leads end-to-end QA for web and mobile applications, including test planning, execution, reporting, performance testing, security testing, defect management, and release quality assurance. Implements test automation and CI/CD integration while collaborating with product managers, developers, and international teams. The role also drives QA initiatives, investigates vulnerabilities and bottlenecks, and improves quality processes in a fast-paced startup environment.

Drive new client acquisition in zero-base accounts, consistently generate and qualify pipeline, close high-value B2B enterprise SaaS deals, prospect and cold-call, run demos, collaborate cross-functionally, and act as a trusted advisor to grow and retain accounts.

Open application inviting AI engineers, full-stack developers, data scientists, finance experts and others to apply. Candidates should submit a resume/LinkedIn, links to work (GitHub, Kaggle, portfolio) and a brief note explaining motivation, value they bring, and desired roles or projects.

SynX Therapeutics, a biotech start-up, invites speculative applications for future roles related to drug discovery and engineered biology.

Reviews and updates college-level visual communications course structures, learning outcomes, competencies, assignments, rubrics, and assessment questions. Ensures content aligns with current academic standards, industry requirements, accessibility practices, copyright and fair-use principles, and generative AI considerations. Collaborates remotely with curriculum designers, incorporates feedback, and delivers high-quality course materials on schedule.

The Account Executive will manage and grow a portfolio of enterprise merchandise clients, driving sales growth and relationship management.

Design and build interfaces across HUD’s AI data platform and marketplace. Translate complex agent runs, evaluation results, reward signals, and reinforcement learning workflows into clear, actionable products. Partner with users, researchers, and engineers; conduct user research; ship and refine experiences; establish reusable interaction patterns; and maintain high standards for usability, visual quality, and implementation.

Freelance Strategists develop integrated B2B marketing strategies across messaging, content, SEO, AEO, CRM journeys, paid media, websites, email, and sales enablement. They translate business strategy into creative briefs, nurture campaigns, and content priorities; analyze funnel and campaign performance; optimize for conversion; collaborate with editorial and creative teams; and present recommendations to senior client stakeholders. The role requires client-facing communication, strategic adaptability, and experience with B2B SaaS or enterprise technology marketing.

Own the influencer marketing function by sourcing, vetting, negotiating with, and managing creators across Instagram, TikTok, and Facebook. Build scalable outreach and campaign-management processes, maintain influencer databases, oversee content execution, track campaign performance, and report on reach, engagement, conversions, and ROI. Ensure creator content meets brand standards, deadlines, and disclosure regulations while driving brand awareness, follower growth, and a consistent content pipeline.