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Toptal
Cryptography Specialist for AI Lab
Remote · Mid level
About the role
Design cryptography tasks from real work for AI agents to solve in a Linux terminal environment. Develop solutions and automated checks to verify task correctness.
What you’ll do
• Design expert-level cryptography tasks from real work. • Define realistic, self-contained Linux command-line task environments. • Write working reference solutions in Python or SageMath. • Build automated checks verifying correct results. • Package tasks with Docker and Git, document clearly.
What you’ll bring
• 3+ years hands-on cryptanalysis or applied cryptography. • Experience with SageMath, Python, Linux command line. • Can prove findings and explain error detection. • Technical fluency with files, CSV/JSON, APIs or databases. • Work authorization to start November 2026.
About Toptal
A fast-growing AI evaluation company building expert-level benchmarks to test AI agents' professional work capabilities.