Senior Blockchain Engineer

Senior Blockchain Engineer EPAM, Serbia

A global leader in digital transformation

Responsibilities:

— Design, develop, and deploy secure smart contracts using Solidity for the Ethereum blockchain ecosystem; — Architect and implement robust decentralized applications (dApps) and backend integration with smart contracts; — Conduct comprehensive code reviews, gas optimization, and thorough unit/integration testing for all blockchain components; — Collaborate closely with product, security, and front-end teams to ensure seamless integration and top-tier protocol performance.

Requirements:

— 5+ years of software engineering experience with a strong focus on blockchain development and smart contracts; — Expert-level proficiency in Solidity and deep, hands-on experience with the Ethereum Virtual Machine (EVM) and Ethereum ecosystem; — Proven track record of designing, auditing, and successfully deploying secure, production-grade smart contracts on mainnet; — Strong understanding of cryptography, consensus mechanisms, DeFi protocols, and Web3 security best practices.

Working conditions:

— Diverse multicultural, multi-functional, and multilingual work environment; — Global scope, international projects in different business domains: life sciences and healthcare, retail, and distribution, software and hi-tech, etc; — Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey; — Great learning and development opportunities, including in-house professional training, career advisory and coaching, sponsored professional certifications; — Knowledge-sharing with colleagues from EPAM's global tech communities; — 25 days holiday per annum; — 5 days of sick leave without medical certification; — Private health insurance for employees and discount for private health insurance for family members; — Discount for Fit Pass program; — Comfortable modern offices in Belgrade and Novi Sad or remote work from any location in Serbia; — Regular corporate, social and wellbeing events (parties, sport events, advanced CSR programs etc.).

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What You'll Do

• Design, develop, and deploy secure smart contracts using Solidity for the Ethereum blockchain ecosystem;
• Architect and implement robust decentralized applications (dApps) and backend integration with smart contracts;
• Conduct comprehensive code reviews, gas optimization, and thorough unit/integration testing for all blockchain components;
• Collaborate closely with product, security, and front-end teams to ensure seamless integration and top-tier protocol performance.
• Requirements:
• 5+ years of software engineering experience with a strong focus on blockchain development and smart contracts;
• Expert-level proficiency in Solidity and deep, hands-on experience with the Ethereum Virtual Machine (EVM) and Ethereum ecosystem;
• Proven track record of designing, auditing, and successfully deploying secure, production-grade smart contracts on mainnet;

Basic Qualifications

• 5+ years of software engineering experience with a strong focus on blockchain development and smart contracts;
• Expert-level proficiency in Solidity and deep, hands-on experience with the Ethereum Virtual Machine (EVM) and Ethereum ecosystem;
• Proven track record of designing, auditing, and successfully deploying secure, production-grade smart contracts on mainnet;
• Strong understanding of cryptography, consensus mechanisms, DeFi protocols, and Web3 security best practices.
• Working conditions:
• Diverse multicultural, multi-functional, and multilingual work environment;
• Global scope, international projects in different business domains: life sciences and healthcare, retail, and distribution, software and hi-tech, etc;
• Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey;