Functori

Functori

Functori is a deep-tech consulting and development company. We design and build advanced infrastructure and applications powered by formal methods, static languages, and secure blockchain technologies. We are trusted by startups, governments, and large institutions to solve complex engineering problems with robust and elegant solutions.
Paris, FR

Description

Functori is a deep-tech consulting and development company that designs and builds advanced infrastructure and applications using formal methods, static languages, and secure blockchain technologies. Trusted by startups, governments, and large institutions, they deliver secure, efficient, and maintainable software for blockchain infrastructure, cryptographic protocols, developer tools, and large-scale distributed systems. Their services include Core Development, Smart Contract Audits, Blockchain Development, Monitoring & Observability, Formal Methods & Languages, and CTO as a Service. The team specializes in smart contracts, consensus protocols, and language tooling, with expertise in OCaml, Rust, Solidity, and TypeScript. Functori has also developed products like Argos for blockchain monitoring, Apollo for tracing EVM execution, and Atlas for high-frequency arbitrage. Additionally, the company acts as a technical co-founder for ventures in gaming, tokenization, and infrastructure, and participates in R&D projects.