Top Tech Jobs & Startup Jobs in NYC, NY

Own and build Overtone's iOS app end-to-end: architecture, performance, release, and direction. Partner with product and design to ship real-time, voice-led, AI-driven experiences while setting iOS engineering standards, build and release discipline, and mobile strategy as the team scales.

Provide high-touch executive support to the CEO (calendar, inbox, prioritization) and partner with Head of Operations on onboarding, office management, hiring coordination, vendor relations, and team events. Use Google Workspace, Notion, Slack and AI tools to streamline workflows. On-site in NYC.

Build and own LLM systems and infrastructure for Overtone's product: prompt architecture, evaluation pipelines, model experimentation, serving, fine-tuning (SFT/DPO/RLHF), vector DBs and personalization, observability tooling, and lightweight matching models. Collaborate cross-functionally to deploy reliable, auditable AI features in production.

Build and own core backend systems for a voice-first dating product: real-time voice/streaming infrastructure, fault-tolerant APIs, AI-ready pipelines, security and privacy by design, observability, and scaling from 0→1 while collaborating with product, design, and an AI engineer.