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# Remote Solidity Engineer - Smart Contracts & Blockchain

- **Company:** Postaladdress
- **Location:** Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Databases, Continuous Integration, DevOps, Programming Tools, Performance Tuning, Blockchain, Enterprise Software Applications, Git, Hyperledger, Solidity, Web3.js, Restful APIs
- **Published:** August 4, 2026
- **Apply:** https://www.jobleads.com/es/job/e437bb83beb33758c6a6ee81db500e50a

## About the Role

Proven expertise in smart contract development (Solidity, Typescript), security testing tools (Slither, Mythril), and EVM-based blockchain applications. Familiarity with cryptography, web3.js/ether.js, RESTful services, and modern development tools (Git, CI/CD). Nice-to-have skills include Hyperledger Besu, database experience, and scaling technologies., Strong security knowledge, problem-solving skills, and ability to collaborate with technical teams to drive innovative blockchain solutions.

## Description

Design, develop, and deploy blockchain solutions and smart contracts using Solidity, Java, and REST APIs. Collaborate with teams to gather requirements, integrate blockchain with enterprise systems, troubleshoot performance issues, and document technical specifications. Work with AWS environments, contribute to DevOps practices, and support operational improvements.


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