As an experienced Software Engineer, you have a proven background building large-scale enterprise software and platforms that ship to real customers. You understand what it takes to design systems that are robust, modular, and production-ready, and you can move seamlessly from architecture to code.
You will be one of the first engineers responsible for building the foundation that powers the world's most realistic cyber simulations.
* Platform Architecture – Design and implement the core backend systems that drive the Xintra Platform.
* Service Development – Build APIs, orchestration logic, and scalable backend services for environment creation, management, and telemetry.
* Enterprise Software Engineering – Write and maintain production-level code used by global enterprises and government clients.
* System Design – Develop frameworks that model complex networks, users, and system interactions at scale.
* Integration – Collaborate with infrastructure, design, and simulation teams to ensure seamless platform operation across multiple environments.
* Code Quality – Uphold engineering best practices, testing, and reliability standards across the platform codebase.
* Technical Leadership – Influence architecture and contribute to long-term platform design and evolution.
Why Join XINTRA
If you've ever wanted to build the world's most realistic cyber simulations, this is the place for you. If you want to build technology that pushes the boundaries of cybersecurity, this is where you'll do the most meaningful work of your career.
From simulated "Chinese" campaigns hacking into 5G networks to Russia-style operations against critical infrastructure. Our environments mirror the complexity of enterprise and government networks, letting teams train, test, and defend in lifelike conditions.
We are a VC funded, fast-growing cybersecurity startup with clients in governments, defense, and Fortune 500 enterprises. Our mission is to recreate the real world of cyber conflict.
What it's like working with us:
* Impact from day one – Your work shapes a platform used by intelligence and defense teams worldwide.
* Elite peers – Join a small, senior team solving globally unique problems in cyber simulation.
* Flexible hours, real ownership – We care about outcomes, not clock-in times.
* Competitive salary & equity – You'll share in the upside of what we're building.
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