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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