Blockchain Engineer: Build Secure Smart Contracts & DApps

ALLPS; Schweiz; Vor Ort; CHF 110.000 - 170.000; Vollzeit

Zusammenfassung

ALLPS is seeking a Blockchain Engineer with 2–5 years of hands-on experience to design, develop, and deploy smart contracts and blockchain-based applications. You will build and maintain DApps, integrate with backend systems, and optimize for security, gas efficiency, and performance.

The role requires Solidity expertise, Ethereum/EVM experience, and proficiency with Web3.js or Ethers.js, plus strong JavaScript/TypeScript skills. Collaboration with cross-functional teams is essential.

Qualifikationen

• 2–5 years hands-on blockchain development experience.
• Strong fundamentals: ledgers, consensus, cryptography.
• Solidity smart contract development experience.
• Hands-on Ethereum or EVM-compatible blockchain exposure.
• Proficiency with Web3 libraries (Web3.js / Ethers.js).
• Strong JavaScript/TypeScript skills (Python/Go/Rust a plus).
• REST APIs and backend integration experience.
• Git version control experience.
• Familiar with DeFi, NFTs, DAOs or Web3 products.
• Knowledge of Layer 2 scaling (Polygon, Optimism, Arbitrum).
• Exposure to IPFS, Chainlink, or cross-chain solutions.
• CI/CD and DevOps practices.

Aufgaben

• Design, develop, and deploy smart contracts and blockchain-based applications
• Build and maintain decentralized applications (DApps)
• Integrate blockchain solutions with backend systems and APIs
• Optimize smart contracts for performance, security, and gas efficiency
• Perform testing, debugging, and code reviews
• Identify and mitigate security risks and vulnerabilities
• Stay updated with blockchain trends, tools, and best practices
• Collaborate with product, engineering, and security teams

Kenntnisse

Smart contracts

Solidity

Ethereum/EVM

Web3.js / Ethers.js

JavaScript/TypeScript

REST APIs

Git

Security

DeFi / NFTs

Layer 2

IPFS / Chainlink

CI/CD / DevOps

Jobbeschreibung

ALLPS is seeking a Blockchain Engineer with 2–5 years of hands-on experience to design, develop, and deploy smart contracts and blockchain-based applications. You will build and maintain DApps, integrate with backend systems, and optimize for security, gas efficiency, and performance.

The role requires Solidity expertise, Ethereum/EVM experience, and proficiency with Web3.js or Ethers.js, plus strong JavaScript/TypeScript skills. Collaboration with cross-functional teams is essential.