Senior Blockchain Developer / Web3 Architect

Rawtech Digital
Barcelona, Spain
7 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate
Compensation
€ 80K

Job location

Barcelona, Spain

Tech stack

JavaScript
Cloud Computing
DevOps
Blockchain
Software Engineering
TypeScript
NFT
Ethereum
Solidity
Web3.js
Go

Job description

As a Senior Blockchain Developer / Web3 Architect, you will be responsible for architecting, developing, and deploying secure, scalable blockchain solutions. You will work closely with product managers, developers, and stakeholders to deliver cutting-edge Web3 products that drive innovation and business growth.

Key Responsibilities

  • Design and develop blockchain-based applications and infrastructure.
  • Architect secure and scalable Web3 platforms and decentralized systems.
  • Develop, test, and deploy smart contracts.
  • Integrate blockchain protocols, wallets, and decentralized services.
  • Conduct smart contract audits and security reviews.
  • Optimize blockchain performance, scalability, and reliability.
  • Collaborate with cross-functional teams to define technical requirements and product roadmaps.
  • Stay current with emerging blockchain technologies, protocols, and industry best practices.
  • Mentor junior developers and provide technical leadership.

Requirements

  • 5+ years of software development experience.
  • 3+ years of hands-on blockchain development experience.
  • Strong proficiency in Solidity and smart contract development.
  • Experience with Ethereum and EVM-compatible networks.
  • Strong understanding of decentralized application (dApp) architecture.
  • Experience with Web3 libraries and frameworks such as Web3.js, Ethers.js, or similar.
  • Proficiency in JavaScript/TypeScript.
  • Experience with cloud infrastructure and DevOps practices.
  • Strong understanding of blockchain security principles.
  • Excellent problem-solving and communication skills.
  • Fluent in English.

Preferred Qualifications

  • Experience with Layer 2 solutions and scaling technologies.
  • Knowledge of DeFi, NFTs, DAOs, or tokenomics.
  • Experience with Rust, Golang, or other blockchain-related languages.
  • Familiarity with cross-chain protocols and interoperability solutions.
  • Experience leading technical teams or projects.

Benefits & conditions

  • Competitive salary of €80,000 per year.
  • Opportunity to work on cutting-edge Web3 and blockchain projects.
  • Professional development and learning opportunities.
  • Collaborative and innovative work environment.
  • Flexible working arrangements.
  • Career growth opportunities within a rapidly expanding company.

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