backend development Jobs - February 2026

Nango (YC W23) is a developer infrastructure company and a provider of API access for agents and apps, enabling AI applications to connect to the real world through integrations. More than 250 paying customers (including Replit, Mercor, and Exa) rely on Nango…

Neon Health is an AI-in-healthcare company focused on making life-saving drugs more accessible and building a large-scale company. Traction: profitable, growing fast, landing seven-plus-figure contracts with enterprise healthcare customers. Team includes exit…

We're in search of a Fullstack Developer to join the Saia Agrobotics team. Our innovative start-up revolutionises the greenhouse sector with state-of-the-art robotics, dramatically reducing labor costs and helping the environment by cutting back on energy, la…

Unit is building GTV, a new video platform that can automatically produce high-quality, personalized content. Our team is from Instagram, TikTok, and NVIDIA. We're backed by Khosla Ventures, Air Street Capital, and angels from top AI labs. We have strong trac…

We are looking for engineers (ML & backend) to join a startup where we’re building LLM-based forecasting systems that output calibrated probability distributions (not just answers) and improve daily based on new observations. It’s a founding role with substan…

General Catalyst-backed Stealth AI Startup | Founding Engineer | Onsite (New York City) | Full-time We’re building the AI operating system for engineering firms - automating the workflows behind the infrastructure America runs on. Founded by engineers and ope…