software architecture Jobs - April 2026

Founded by Sri Viswanath, former CTO of Atlassian, Sycamore enables organizations to build, deploy, and orchestrate AI agents with security, governance, and human oversight. The platform captures and compounds organizational intelligence over time, enabling s…

Founding-engineer roles building Nono agent security tooling. Principal Software Engineer: design and build the agent security runtime to intercept, classify, and validate agent intents against security policy; design cryptographically verifiable systems, fin…

Onboard AI is building a platform for responsible AI in healthcare. The Lead Software Engineer will own the core web product experience end-to-end, working closely with users, product leadership, and founders. Responsibilities include full lifecycle product d…

Poesis is an AI-native investment manager building a foundation model for investing in U.S. equities. Hiring founding technical roles to build trading and ML systems: Head of Engineering (own architecture, pipelines, and productization of research), Founding …

We are a development, data science and design studio that works closely with founders and executives to create custom software and machine learning solutions. We are looking for senior fullstack engineers with experience in software architecture, javascript, …

TubeScience is a data-driven advertising company that represents a large and growing percentage of Facebook video ads. Seeking a software engineer to design and build a job management system — a complete software solution for managing video production, distri…