Top Tech Jobs & Startup Jobs in NYC, NY

The Customer Experience Representative engages collectors, providing assistance via chat, email, and phone support. They resolve inquiries, document interactions, collaborate with teams, and gather feedback to improve customer experience.

Build and own Alt's accounting function: run end-to-end monthly close, convert to full US GAAP accrual, own revenue recognition and chart of accounts, manage external audit and tax compliance, handle AP/AR and reconciliations, integrate GL with source data (Snowflake), manage outsourced accounting and scale the team over time.

Lead full-cycle recruiting for technical and non-technical roles, build creative sourcing strategies for niche profiles, deliver exceptional candidate experience, run and optimize Greenhouse, leverage AI (Claude) across the funnel, partner with hiring managers, use pipeline data to improve time-to-fill, and help grow employer brand in collectibles, fintech, and marketplace communities.

Own end-to-end ML lifecycle for pricing and underwriting: improve model accuracy and coverage, reduce infrastructure cost, deploy and monitor production models on AWS, run experiments/backtests, and collaborate with domain experts to inform model improvements and product APIs.

The Associate Account Executive is responsible for closing sales, sourcing new collectors, and building trust in the vintage card market while leveraging a strong sales process and using Salesforce for pipeline management.

As a Senior Fullstack Engineer, you'll architect and build a high-concurrency auction engine, leveraging AI for enhanced user experiences and system reliability.

As a Senior Fullstack Engineer, you'll build financial systems, design lending infrastructure, implement payment integrations, and create user interfaces, ensuring correctness and reliability.

As a Data Engineer, you will build and optimize data pipelines, ensuring accurate data delivery that informs pricing and market analytics at Alt.

The Pricing Associate will leverage sports card knowledge to develop valuation strategies, support pricing methodologies, and assist cross-functional teams at Alt.

Founding Growth Engineer to own and build a repeatable growth engine: rebuild and instrument the submission funnel, run A/B experiments, scale acquisition channels, fix attribution and analytics, build lifecycle messaging (push, email, SMS) infrastructure, and balance marketplace supply and demand while partnering with founder and marketing.