Requirements description

• 5+ years of IT experience, including 3+ years with smart contracts.
• Strong proficiency in Solidity and deep understanding of EVM.
• Experience with Hardhat or Foundry development environments.
• Practical knowledge of Rust and Anchor (Solana).
• Familiarity with Soroban and the Stellar ecosystem.
• Knowledge of secure and upgradeable smart contract patterns.
• Strong testing skills (unit, integration, fuzz) and focus on code quality & security.
• Experience with TypeScript and automation scripting.
• Work with fungible tokens and blockchain audits.
• Understanding of CI/CD and broader blockchain ecosystems.

Offer description

Devire IT Outsourcing is a form of cooperation dedicated to IT professionals, based on the principles of own business - B2B, implementing projects for clients running innovative and modern projects.

Our Client in the leading community for Human Resources and a marketplace for innovative technologies that define the Future of Work. Client serves as a vital resource for news, insights, and market trends that motivate and support organizational leaders around the globe. Headquartered in London, UK, Client operates throughout Europe and the United States.

• Salary: between 145-170 PLN/hour net + VAT (B2B)

• Location: remote position

• Language: communication in English daily

• Additional benefits package (medical healthcare, sports membership, etc.)

• Long-term cooperation

• Flexible working hours

Your responsibilities

1. Designing and developing smart contracts using Solidity on Ethereum.
2. Setting up and maintaining development environments with Hardhat or Foundry.
3. Building blockchain solutions on Solana (using Rust and Anchor) and Stellar (using Soroban).
4. Applying secure and upgradeable smart contract design patterns.
5. Writing and maintaining unit and integration tests.
6. Collaborating with audit firms and preparing codebases for security reviews.

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