Senior Smart Contract Developer (Blockchain)

tech marketing • Germany
Remote
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AI Summary

Design, build, and maintain secure and efficient blockchain components for client-focused Web3 initiatives. Collaborate with cross-functional teams to implement on-chain logic and contribute to innovative decentralized solutions.

Key Highlights
Develop, test, and deploy smart contracts using Solidity or other EVM-compatible languages
Build and enhance on-chain components for client Web3 projects
Collaborate with designers, marketers, and developers on Web3 product initiatives
Technical Skills Required
Solidity EVM Hardhat Foundry Truffle ethers.js web3.js
Benefits & Perks
Salary: EUR 75,000 - 105,000 per year
Fully remote work permitted
Opportunity to work on diverse Web3 projects across global technology brands

Job Description


About Tech Marketing (Marketizon)

Tech Marketing (Marketizon) is a technology-focused marketing agency that helps brands scale from early-stage innovators to global leaders. We combine creativity, technical insight, and data-driven strategy to support companies across their entire growth cycle. From brand positioning and digital marketing to app and web development, we deliver solutions that drive visibility, engagement, and measurable business outcomes. Our integrated approach supports technology companies of all sizes in expanding their reach and accelerating long-term growth.


Role Overview

We are seeking a Smart Contract Developer to design, build, and maintain secure and efficient blockchain components for client-focused Web3 initiatives. You will collaborate with cross-functional teams to implement on-chain logic, ensure production-grade contract quality, and contribute to innovative decentralized solutions aligned with client marketing and product goals. This role is ideal for someone who thrives in a creative, fast-paced agency environment and enjoys delivering high-impact blockchain systems.


Key Responsibilities

Develop, test, and deploy smart contracts using Solidity or other EVM-compatible languages

Build and enhance on-chain components for client Web3 projects

Integrate smart contracts with backend and frontend systems via Web3 libraries

Conduct code reviews and ensure contract-level security, gas efficiency, and reliability

Troubleshoot and maintain deployed contracts, including upgrades and optimizations

Collaborate with designers, marketers, and developers on Web3 product initiatives

Stay current with blockchain industry trends, new tooling, and emerging best practices


Required Qualifications

  • Based in Germany (remote work permitted)
  • 2+ years of experience in blockchain or smart contract development
  • Strong proficiency in Solidity and EVM-based development
  • Experience working with Hardhat, Foundry, Truffle, or similar frameworks
  • Understanding of decentralized architectures, token standards, and smart contract security
  • Experience integrating contracts with Web3 tools (ethers.js, web3.js, etc.)
  • Strong communication skills and ability to work independently in a remote setup


Preferred Experience

  • Experience delivering Web3 solutions for clients or agencies
  • Familiarity with marketing-oriented Web3 use cases (tokenized engagement, digital identity, loyalty systems, etc.)
  • Knowledge of multi-chain or Layer 2 environments
  • Contributions to open-source blockchain projects


Compensation & Benefits

  • EUR 75,000 – 105,000 per year, depending on experience
  • Fully remote role for candidates based in Germany
  • Opportunity to work on diverse Web3 projects across global technology brands
  • Collaborative, creative, and innovation-focused work culture
  • Strong growth opportunities within an expanding digital marketing and technology agency

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