Top Tech Jobs & Startup Jobs in NYC, NY

The Director of Acquisition will lead customer growth strategies for a DTC brand, managing a significant media budget and focusing on performance marketing across various channels.

Design, implement, and maintain scalable, highly available software and data systems. Build resilient infrastructure, CI/CD pipelines, and distributed services; participate in technical planning, code reviews, testing, and production support. Collaborate cross-functionally, recruit and influence engineering culture at a purpose-driven startup.

As a Senior Data Engineer, you will design, build, and maintain scalable data platforms, ETL pipelines, and support analytics and ML workflows, ensuring data quality and cross-functional collaboration.

Avalanche Studios seeks a Real Time VFX Artist to create and optimize particle visual effects for AAA titles, collaborating with the Art team.

Konvu invites spontaneous applications to build a talent community for future opportunities in security technology. Join a team shaping the industry.

Support Marketing and Customer Experience by engaging prospective customers, improving customer service protocols, using CRM/registration/project-management tools, aiding payment and form processes, conducting market research, and coordinating information across internal teams.

As a Customer Experience Intern, you will support account management, provide customer support, fulfill orders, and improve user experience through collaboration and analytics.

Conduct advanced economics research supporting AI model development and evaluation. Analyze economic theories, research papers, quantitative reasoning, and real-world scenarios; assess AI-generated outputs for accuracy, logic, and analytical depth; and provide structured expert feedback to improve foundational AI models. The role requires independent work, strong written communication, and a PhD in Economics, with at least two years of relevant research or academic experience.

Build, optimize, debug, and evaluate infrastructure for generative AI and large language models. Responsibilities include accelerator kernel development, performance profiling, distributed workload debugging, high-throughput inference serving, benchmarking, reference solution development, AI-generated solution evaluation, technical rubric creation, and analysis of ML infrastructure, compiler, accelerator, and model-serving bottlenecks. Collaborate with researchers and subject matter experts to improve AI training and evaluation data.

Evaluates AI-generated mathematical and statistical reasoning for accuracy, rigor, and logical consistency. Designs advanced research-level problems, benchmarks, evaluation datasets, reference solutions, and proofs. Identifies subtle errors, flawed assumptions, and invalid generalizations in model outputs, then translates expert judgment into structured evaluation criteria and feedback. Collaborates with AI researchers to improve model reasoning and assessment methodologies. Requires a PhD, senior academic or research experience, deep mathematical or statistical specialization, strong publications, and hands-on LLM experience.

Own Marketplace advertising campaigns from inventory booking through launch, delivery, pacing, QA, and post-campaign review. Build campaigns in the internal CMS and Braze, create collection pages from design specifications, configure A/B tests, monitor budgets and performance, coordinate seasonal timelines across cross-functional teams, maintain documentation, and improve campaign tooling. The role requires strong operations, communication, prioritization, and attention to detail in a fast-paced environment.

Own full sales cycle across Europe for an AI agent governance platform: prospect, demo, run POCs, close deals, develop channel partners, maintain CRM, forecast, and own post-close customer success while helping build GTM processes.