Senior Blockchain Engineer

Senior Blockchain Engineer at EPAM, Serbia. Design and deploy smart contracts, dApps, and backend integration. 5+ years experience with Solidity and EVM. Remote or office in Belgrade/Novi Sad.

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.

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.

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.).