Hardhat Web3 Jobs in Europe

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Job Position Company Posted Location Salary Tags

Serotonin

Berlin, Germany

$36k - $54k

Sentient

United Kingdom

$67k - $78k

MORPHO LABS

Paris, France

$87k - $87k

MORPHO LABS

Paris, France

$98k - $108k

Nomic Foundation

Berlin, Germany

$87k - $87k

DV Labs

Lisbon, Portugal

Nethermind

London, United Kingdom

$39k - $65k

Seedify

Europe

$36k - $56k

Kiln

Paris, France

$63k - $75k

Aragon

Remote

$72k - $84k

Everclear

Lisbon, Portugal

$105k - $120k

Arrakis Finance

Zug, Switzerland

$87k - $87k

Connext

Lisbon, Portugal

$62k - $82k

Consensys

EMEA

$77k - $155k

What are we all about?

London, United Kingdom

$62k - $81k

Serotonin
$36k - $54k estimated
Berlin

Smart Contract Backend Engineer (External)

New York / Berlin / Chicago / Copenhagen / Los Angeles / London / Lisbon / Warsaw / Miami
Recruiting Services /
Full-Time /
Remote

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Our client is a cutting-edge company focused on revolutionizing global payments by building a scalable, zero-fee payment platform secured by Bitcoin. Their innovative technology enables fast, secure, and cost-effective digital transactions, with the potential to reshape how the world interacts with money. We are looking for a talented Smart Contract Engineer to join their growing team.

This role offers the opportunity to work on innovative blockchain technologies and contribute to the development of secure, efficient, and reliable smart contracts that power our payment ecosystem.

If you’re excited about joining a dynamic and purpose-driven environment where your ideas can shape the future, we’d love to meet you. Together, we can redefine what’s possible in the world of digital connectivity and data management.

Key Responsibilities:

    • Design, develop, and deploy smart contracts for the platform using Solidity or other relevant programming languages.
    • Implement secure and efficient code while adhering to best practices for smart contract development.
    • Collaborate with backend and frontend engineers to integrate smart contracts into the platform.
    • Perform rigorous testing, debugging, and auditing of smart contracts to ensure security and reliability.
    • Stay informed about the latest developments in blockchain and smart contract technologies.
    • Contribute to the documentation of smart contract architecture and processes.
    • Participate in code reviews to maintain high-quality standards across the codebase.

Key Requirements:

    • 2–4 years of experience in blockchain development, with a strong focus on smart contracts.
    • Proficiency in Solidity and familiarity with Ethereum Virtual Machine (EVM).
    • Understanding of security considerations and best practices for smart contract development.
    • Experience with tools such as Hardhat, Truffle, or Foundry for development and testing.
    • Familiarity with Web3.js, Ethers.js, or similar libraries for interacting with blockchain networks.
    • Strong problem-solving skills and attention to detail.
    • Excellent communication and collaboration skills.

Preferred Qualifications

    • Experience with Bitcoin Layer 2 solutions or similar blockchain ecosystems.
    • Contributions to open-source blockchain or smart contract projects.
    • Understanding of financial systems, payment protocols, or decentralized finance (DeFi).

What We Offer

    • Competitive salary and equity options.
    • Flexible working hours and remote-friendly environment.
    • The chance to work on cutting-edge technology with a talented, passionate team.
    • Opportunities for professional growth and learning.
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