Senior Crypto Engineer – Threshold Signatures (Remote)

Douro Labs; Porto; Presencial; EUR 55 000 - 90 000; Tempo integral

Resumo da oferta

Douro Labs is a Porto‑based company driving Web3 innovation, blending cryptography with practical software for real‑time market data across multiple blockchains. You will contribute to a threshold signing system enabling validators to verify state efficiently, while delivering open‑source solutions that developers can use and extend.

The role focuses on cryptography‑driven product development with C++ and Rust, in a startup environment, and requires strong English communication within a global

Qualificações

• Experience implementing cryptographic algorithms in software.
• Built and shipped a substantial product with cryptography as a key piece.
• Experience writing open‑source software.
• Strong communication in English for team and external developer interaction.

Responsabilidades

• Develop threshold signing system for validators to simplify cross-chain validation.
• Write open-source software and maintain clear documentation.
• Collaborate with a globally distributed team and external developers.
• Design user-centric APIs and developer documentation.

Conhecimentos

Applied Cryptography

C++

Rust

Blockchain development

Smart Contract

Descrição da oferta de emprego

Douro Labs is a Porto‑based company driving Web3 innovation, blending cryptography with practical software for real‑time market data across multiple blockchains. You will contribute to a threshold signing system enabling validators to verify state efficiently, while delivering open‑source solutions that developers can use and extend.

The role focuses on cryptography‑driven product development with C++ and Rust, in a startup environment, and requires strong English communication within a global