Software Engineering Jobs

Mechanize builds RL environments that frontier AI labs use to train their models on real-world software engineering. Team of ~20. High demand and hiring quickly. Backed by Nat Friedman, Daniel Gross, and Patrick Collison. Applying takes <2 min: http…

Pennylane is hiring a Machine Learning Manager (remote or hybrid from Paris) to lead a team of ~5 Machine Learning & Data Engineers within a 15+ person ML & AI function in the Data department (50+ people). Responsibilities include contributing techn…

Innolitics is a remote-first company specializing in medical device software development and FDA regulatory consulting. Since 2012, the company partners with medical device companies to bring technologies to market. Engineers write production code a…

Sphinx Defense builds software to solve complex national security problems for America and its allies. Founded by engineers and technologists with deep experience across commercial and defense technology, the company is building a vehicle-agnostic c…

We’re a team of experienced generalist SWEs and AI enthusiasts who are building custom AI agents for enterprise clients. You’ll work on 3-4 different projects a year and play a central role on each one. No AI experience required: we are actively try…

Back by Sequoia Capital, Peregrine is the operational AI platform powering decision making and operations SF / NYC / DC | In-office 4 days | $130,000 - $275,000 Engineering Manager (SF) https://grnh.se/s7yxefzs5us 8+ yrs - Staff SWE AI (SF) https://…

Generation Alpha Transistor (Gen-Alpha) is a San Francisco-based start-up building AI tools for chip designers. We’re looking for talented software engineers and language-agnostic developers to join our rapidly growing, all-technical team and collab…

We’re building an AI system for analysts and scientists, based on a fundamentally new approach to reasoning and knowledge representation. Our approach differs from LLMs in that we compose algorithms symbolically to represent complex knowledge, and p…

Socket is a developer-first, security company focused on protecting the open-source supply chain. With over 90% of modern code coming from open source, Socket is tackling one of the most urgent and complex problems in security by building something …

Mesa is building GitHub for AI Agents, creating infrastructure and human interfaces for AI-driven software development. Small engineering team (7 engineers) seeking additional highly autonomous senior software engineers. On-site role in San Francisc…

At Peregrine, we are transforming the way organizations engage with their data, making it easily accessible and immediately actionable for those who need it, when they need it most. Multiple engineering, AI, security, infrastructure, and design role…

Foxglove is an observability and data platform for robotics and physical AI. Multiple open full-time roles including various software engineering positions (backend, frontend, data, visualization, WebGL/WASM, Rust), product management for data platf…

L2 Labs is a new kind of AI lab pursuing research at the intersection of database systems and AI, driven by real-world challenges from our enterprise partners. We are backed by Cornell University, https://www.focal.vc/, and New York University. We a…