FullStack Expertise
From webapps, through Solidity to GPU kernels — we own the stack end to end.
Webuildcomplexsoftware,simply.
Custom, cutting-edge solutions powered by AI, advanced cryptography, and distributed systems — for bold teams solving hard problems.
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Lean team. Big capabilities.
Expert-led development without the overhead
Cabinet Noir is a development studio focused on building software solutions for startups and lean enterprise teams.
Security-first engineering
Zero-trust architectures designed with rigorous threat modeling, e2e encryption, Zero Knowledge, and risk surface minimization in mind.
AI Development & Infrastructure
Model architecture design, training, fine-tuning and deployment at scale — powered by our partners' Tier-3 NVIDIA datacenter on the EU network backbone.
Distributed Systems
We design resilient, decentralized systems and dApps for the next generation of web3.
Trusted by the most innovative minds in
Meet the team
The people behind Cabinet Noir
A multidisciplinary crew spanning product, engineering, cryptography, and security — united by a love of ambitious, hard problems.
Maryam Amrani
Chief Executive Officer
Sets the vision, aligns leadership, and steers company strategy.
Ayush Rahman
Chief Technology Officer
Leads technical direction and oversees platform architecture.
James Hayes
Front-End Engineer
Builds high-performance interfaces and keeps UX crisp.
Iva Morozova
Design & UX
Crafts product experience and design systems across platforms.
Alexia Lorenza Martinel
Technical Solutions Engineer
Translates business goals into reliable technical solutions.
Endre Abraham (Silur)
Full Stack Engineer
Delivers end-to-end features with performance and security in mind.
What our clients say
Don't take our word for it
The team at Cabinet Noir brought not just technical security, but game-theoretic rigor — ensuring fairness and no room for selfish or adversarial behavior.
Johann Polecsak
CEO @QAN PlatformThe team in the news
Discover our latest news and events, fresh from the best media around the globe!
QAN-IBM Partnership
With QAN, a company we co-founded, we worked with IBM to boost cybersecurity with AI.
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Brussels' Digital Finance Summit
Discover the latest cybersecurity trends from experts from Microsoft, NL, the Luxembourg House of Financial Technologies and more about how to mitigate the risks on D-day.
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Forbes
The 14yo boy who wanted to hack his teacher's computer and how he became Silur, one of the best hackers in the world
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The Luxembourg House of Financial Technology
Check out the Spotlight Series on DeFi with experts from the Frankfurt School, the European Blockchain Convention, and more!
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EU CyberActs Conference
Watch our talk: 'Privacy and Security Controls and Methodology in the New AI Era'
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Forbes Tech Summit
Zero knowledge meets Forbes. See how we built secure systems with enterprise actors.
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Bosch Digitalization Days
Sharing insights and tangible takeaways for Bosch's digital transformation
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Ready to build something extraordinary?
Discover our work
Cabinet Noir's Portfolio
A glimpse into some of the projects and platforms we've built
Our talks & publications
PQ-RingSIS
Circuit friendly, post-quantum dynamic accumulators from RingSIS with logarithmic prover time
Mainstream hash functions such as SHA or BLAKE, while generally efficient in their implementations, are not suitable for zero-knowledge boolean or arithmetic circuits due to their reliance on CPU designs.
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