Blockchain developer

Suffescom Solutions Inc

India · Full-time · Mid-Senior

Core Blockchain Developer with 4+ years of experience specializing in protocol-level development and customization. Strong expertise in working with Ethereum forks, building and modifying blockchain architectures, and implementing advanced cryptographic solutions.

Key Responsibilities:

Review, refactor, and enhance the existing blockchain codebase for scalability, maintainability, and security
Work on Ethereum forks and protocol-level customization, including modifying consensus, gas logic, or transaction flows
Implement Zero-Knowledge Proof (ZK Proof) solutions to enable privacy-focused transactions
Build and maintain custom blockchain explorers and internal tooling for monitoring and analytics
Integrate smart contracts with backend systems, APIs, and trading engines
Set up, configure, and maintain Ethereum (Geth/Nethermind) and Bitcoin (Bitcoin Core) full nodes
Optimize smart contracts for gas efficiency and performance
Designing and deploying private and secure transaction systems

Requirements

4+ years of experience as a Core Blockchain Developer
Strong expertise in Solidity and deploying contracts on Ethereum mainnet/testnets
Proven experience with Ethereum forks and blockchain customization
Hands-on experience implementing or integrating Zero-Knowledge Proofs (ZK Proofs)
Experience building or maintaining custom blockchain explorers
Solid understanding of blockchain internals (consensus mechanisms, transaction lifecycle, gas optimization)
Experience with smart contracts, node customization, and blockchain infrastructure

Benefits

5 Day working

On time salary

inter- tech work

Skill upgradation trainings

Soft skills trainingsRewards and recognitions

weekly de-stressing activities

Key Skills

Ranked by relevance

blockchain solidity

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