Software Engineer - Console

XBOW

16d•$100,000 - $350,000•Remote

About The Position

XBOW is building the future of offensive security with an AI-powered system that autonomously discovers, validates, and exploits vulnerabilities. Founded by the creator of GitHub Copilot and backed by leading investors, XBOW is applying cutting-edge AI to cybersecurity. The company's AI has uncovered thousands of real-world zero-days and achieved the #1 ranking on HackerOne’s global leaderboard. XBOW is a team of builders, hackers, and researchers focused on solving complex problems at the intersection of AI and security.

Requirements

Experience building and operating full-stack systems
Proficiency with TypeScript
Experience designing and consuming APIs (REST or GraphQL)
Strong backend development experience (Node.js, Kotlin, Go, or similar languages)
Strong problem-solving skills and the ability to work with incomplete information
A thoughtful communicator who values clarity and simplicity
Comfort working in a fast-paced, early-stage startup environment

Nice To Haves

Experience with event-driven architectures, message queues, or async workflows
Experience building scrappy, iterative frontends where speed and feedback loops matter more than polish
Familiarity with AWS or similar cloud platforms
Comfort working with infrastructure as code (e.g., Terraform or CDK)
A strong appreciation for user experience and design, even if you’re not a formal designer — you care about how features feel as much as how they work
Comfortable prototyping quickly in React/TypeScript and turning ideas into working features fast
Experience designing and optimizing relational databases (we use Postgres), and you know how to structure data for both performance and clarity.
Background in systems programming, networking, or performance tuning
Experience with hybrid deployments (cloud + on-prem) and know how to build resilient systems that handle the complexity of mixed environments.
Experience working in an early stage startup
Prior experience building security products or products for technical users

Responsibilities

Design and build full-stack systems that integrate frontend and backend seamlessly
Develop scalable APIs and backend services in TypeScript, Kotlin, and Go
Deploy and operate services in AWS and other cloud providers
Own problems end-to-end—from design through deployment to production support
Navigate ambiguity and help define how we build as much as what we build
Collaborate closely with teammates across the stack, including AI researchers, Security researchers and backend engineers