146 Startups jobs
Open tech roles at startups.
Member of Technical Staff, Agents
Build and improve autonomous AI agents that handle real executive workflows end to end. The role focuses on designing agent capabilities, defining evaluation frameworks and quality metrics, and investigating production failures, using Python and SQL on large datasets.
Mid-Level AI Engineer
Mid-level AI engineer on a core product team building agentic LLM systems that automate complex workflows in regulated and enterprise domains. The role involves production RAG pipelines, vector databases, multi-agent orchestration, evaluation/safety tooling, and full-stack delivery in Python and TypeScript/React on AWS or GCP.
Senior Member of Technical Staff
Senior backend engineer at an early-stage public safety startup building AI-powered evidence search and analysis tools for law enforcement. The role involves designing secure distributed systems, deploying LLMs and vision models in production, and building RAG pipelines, semantic search, and agentic systems over unstructured investigative data.
Founding Applied AI Engineer
Founding senior AI engineer at an early-stage AI marketing technology company, owning the quality and intelligence of multi-channel marketing agents. Work spans evaluation systems, SEO/GEO performance, feedback loops, agent architecture, model strategy, and data pipelines, using TypeScript/Next.js and Python.
Applied AI Engineer
Build production infrastructure for AI agents: reliable task execution, memory/context-retrieval systems, evaluation harnesses, and orchestration, iterating from real-world production feedback. Core stack is Python and LLM agent systems.
Founding Forward Deployed Engineer
Founding Forward Deployed Engineer at an early-stage AI company serving the consumer packaged goods sector. You own customer implementations end to end — discovery, integration, configuration, testing, and go-live — building and debugging integrations across EDI, ERP, inventory, accounting, and freight systems, and feeding field learnings back into the product.
Senior/Staff Software Engineer, Platform
Backend/platform engineer at an early-stage AI and manufacturing supply chain startup, building Next.js API services, PostgreSQL schemas, event-driven pipelines, and productionizing LLM-based agents and RAG for quote analysis and supplier recommendations. Core stack: TypeScript, Next.js, PostgreSQL, serverless, AI/ML infrastructure.
Member of Technical Staff
Join a small engineering team building AI software for hospitality operations, owning full-stack components that handle guest requests—from intent understanding and retrieval to tool orchestration and response generation. Core technologies include Python/Go/Rust/Java, retrieval systems, prompt engineering, and real-time voice transcription.
Software Engineer
Early-stage B2B startup building a platform for automating supply chain integrations. The engineer designs AI coding agents and the infrastructure/runtime that hosts integrations, owning core systems end to end using TypeScript, React, Bun, Effect-TS, PostgreSQL, Kubernetes, and AWS.
Founding Product Designer
First product designer at an early-stage B2B SaaS company, owning design for an agentic integration platform and shipping production frontend in React and TypeScript. You'll design collaborative integration-building tools plus runtime, deployment, and observability interfaces, and establish the design system.
Founding Engineer
As the first engineering hire at an early-stage AI company, you will rebuild and scale an AI-powered service business product into infrastructure for AI agents, working across backend, infrastructure, frontend, and agent systems. Core technologies include LLM/AI agent orchestration, memory, verification, and reliability systems.