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
€ 80KJob 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.