APIs Jobs

Roger Healthcare is building an AI clinical documentation platform for home health used across millions of patient encounters. Hiring Senior Backend Engineer to own and scale core services, build APIs and infrastructure around production LLMs, and i…

Moyai is an AI-powered agent monitoring tool for AI engineers looking to catch agent failures in production. About the company: Technical founding team with relevant industry experience; Backed by well-known European VCs (SpeedInvest + Galion.exe); …

VC-backed, post–Series A startup building data replication and transform platform. Hiring Head of Applications Engineering to own strategy, people, delivery, SLOs across Applications stack, partner with CTO, improve engineering org and incident resp…

When you npm install openai or pip install anthropic, you’re pulling code generated by Stainless. We’re building the platform for high-quality, easy-to-use APIs — and companies like OpenAI, Anthropic, and Cloudflare already rely on us. We’re ~3 year…

CEF AI builds an AI-first data automation platform for secure, decentralized orchestration of agents that compute directly on encrypted data streams. Small team, high ownership, low bureaucracy. Responsibilities: AI Innovator: prototype and ship pro…

Automat (runautomat.com) | San Francisco (In Person) | Multiple Roles. Automat (YC W23) - the simplest way for companies to create AI agents that take on repetitive, tedious tasks — from navigating complex user interfaces to reading and processing d…

At Float, we're building capital markets infrastructure. Our AI-native platform is tackling decades-old inefficiencies, creating technology that enables financial institutions to interact seamlessly and automate intelligently. Based in SoHo, New Yor…

Ionworks builds battery simulation and optimization software used by R&D teams designing next-generation batteries. Seeking a founding backend/systems engineer to own large pieces of the backend and help scale from early customers to broader industr…

CEF AI builds an AI-first data automation platform for secure, decentralized orchestration of agents that compute directly on encrypted data streams. Small team, high ownership. AI Innovator: prototype and ship production AI features quickly; extend…

Mithril is building a cloud compute platform for AI developers offering high-performance GPUs, clean APIs, and infra primitives for training, fine-tuning, and serving models. Backed by Sequoia and Lightspeed. Hiring for multiple onsite roles in the …

Adora AI is hiring senior full‑stack engineers (backend- or frontend-focused) to join a 16-person, Seattle-based founding engineering team. Partnering with major brands, the company has hit initial PMF and is scaling. Day 1 expectations: ship code. …

Transfyr is building the API layer for science. The business model of science is broken, leaving meaningful innovation and novel treatments lost in translation. Funding alone isn’t enough to solve the problem; we need a new paradigm for making scien…

XSELL Technologies is building an Agentic Voice platform for healthcare combining ASR/TTS, LLMs, and deterministic orchestration. Roles: Senior Software Engineer focused on scalable backend systems, APIs, distributed services, cloud (AWS/GCP/Azure),…

Mercanis is building the Agentic AI Procurement Suite to automate procurement and supplier management workflows. Backed by $30M+. Hiring in Berlin or Remote EU (role dependent). Roles: Engineering Manager (Berlin, hybrid) to lead a cross-functional …

When you npm install openai or pip install anthropic, you’re pulling code generated by Stainless. We’re building the platform for high-quality, easy-to-use APIs — and companies like OpenAI, Anthropic, and Cloudflare already rely on us. We’re ~3 year…

Resemble AI (San Francisco Bay Area, Mountain View, CA) is building state-of-the-art AI models, including a foundation model for deepfake detection. Seeking engineers to prototype directly with founders. Open roles: Frontend Engineer (React/TypeScri…

Remake.ai builds an app platform for robots (home vacuums, quadrupeds, drones, humanoids). Early-stage startup: $1M pre-seed, prototype MVP, pre-traction, ~16K ARR, manufacturing partnerships forming, headcount ~2 full-time + 3 part-time. Hiring Ful…