Posted 31 Oct 2025, 0:04 am
Senior Full stack Engineer at Vannevar Labs
Vannevar is a defense technology company building AI to deter our adversaries. In the 21st century, conflict moves at algorithmic speed and foresight equals firepower. Our agentic AI is purpose-built to compete with China—from cross-Strait conflict to gray zone coercion. Trained on the most mission-relevant datasets in defense, our technology models adversary behavior, simulates campaigns, and recommends the best course of action to decision makers. Our AI systems are some of the most trusted in the industry and actively used on the front lines of the Indo-Pacific to keep the peace and save lives.
Exceptional technology starts with exceptional people. Vannevar is a small agile team combining world-class engineers with veteran strategists who bring deep expertise in defense and tradecraft. We’re building a company defined by mission impact, user empathy, and disciplined growth. In just three years, we grew from $3M to $80M in ARR, achieved early profitability, and reached unicorn status—proving that disruption doesn’t require an ego, and staying power doesn’t mean standing still.
About the role
The Agentic AI team is building key AI-native applications as well as the platforms and libraries to embed Agentic AI across the company. We are looking for a Senior Fullstack Software Engineer to help build and deliver mission-critical capabilities into the hands of those who serve our nation.
We are working in a space that is a perfect fit for AI Agents - the process is plentiful but well specified, there is an abundance of multi-modal data, and accelerating speed to decision is the difference between winning and losing. You will work on cutting edge technical challenges that span AI, UX design, and software engineering, while also working on problems that matter.
What you’ll do
Design & prototype agentic solutions.
Own the full lifecycle of building agents - prompt engineering, custom agent architectures, tool-calling, fine-tuning, guardrails, and evaluations.
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Source: Remote Ok
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