Apply Now

Blockchain Web3 Engineer (100% Onsite - FTE)

New York, NY, US • Posted 4 hours ago • Updated 4 hours ago

Full Time

Travel Required

On-site

$100000 - $130000/yr

Fitment

Dice Job Match Score™

📊 Calculating match score...

Job Details

Skills

blockchain
Web3 SDK
RPC
Node
Infrastructure
Operations

Summary

Job ID: 410999

Job Title: Blockchain Web3 Engineer

Location: New York City, NY

Onsite

Must Have Technical/Functional Skills

Core Web3 / Blockchain Skills (Must-Have)
Strong understanding of blockchain fundamentals:
transactions, blocks, gas/fees, wallets/keys, RPC, finality, consensus basics
Hands-on experience with smart contracts:
Solidity (preferred) and development tooling (Hardhat/Foundry/Truffle/Remix)
Experience working with EVM-based chains (Ethereum/Polygon/Arbitrum/Optimism/BSC)
or enterprise chains (Hyperledger Fabric/Corda/Quorum) depending on project

Roles & Responsibilities

Smart Contract Engineering & Web3 Development
Design, develop, and maintain smart contracts (Solidity/Vyper or relevant stack) aligned to product and security requirements.
Build backend/Web3 components for contract interaction:
Transaction orchestration, signature flows, nonce management, gas strategies
Web3 SDK integrations
Develop and manage contract deployment pipelines, including ABI/versioning, migrations, upgrade strategies (proxy patterns), and release coordination.
Implement secure patterns for contracts:
Support smart contract testing:
Node Operations & Infrastructure
Deploy, configure, and operate blockchain nodes and supporting infrastructure:
Full nodes/archival nodes, RPC endpoints, validator nodes (as applicable)
Manage node upgrades, chain configuration changes, and incident response for production networks.
Implement operational tooling for:
Node health checks, RPC performance monitoring, log aggregation, and alerting
Handle blockchain-specific reliability concerns:
Re-org handling, finality considerations, peer connectivity, RPC failover, rate limiting

“Cleo Consulting is an equal opportunity employer (Minorities/Women/Veterans/Disabled)”

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91081631
Position Id: 7191-22658-
Posted 4 hours ago

Create job alert

Never miss an opportunity! Create an alert based on the job you applied for.

Similar Jobs

Blockchain Developer

Hybrid in Jersey City, New Jersey

•

24d ago

Blockchain Developer Job Description ( 2 Roles - JC, NJ; Tampa, FL;) Role OverviewDesign, develop, and implement distributed ledger solutions to modernize post-trade financial infrastructure, including clearing, settlement, and asset servicing systems. Work within high-throughput, regulated environments to enhance transparency, resilience, and efficiency using blockchain technologies. Key Responsibilities Develop and maintain blockchain-based applications for financial market infrastructure. De

Easy Apply

Third Party, Contract

Depends on Experience

Blockchain Developer

Hybrid in New York, New York

•

Today

client is not sponsoring any Visa Blockchain Java Backend Developer Job DescriptionRole OverviewWe are looking for a Blockchain Java Backend Developer responsible for designing, developing, and maintaining backend services that interact with blockchain networks. The ideal candidate should have strong experience in Java backend development, distributed systems, and blockchain technologies such as Ethereum or Hyperledger Fabric. Key ResponsibilitiesDesign and develop secure, scalable backend servi

Easy Apply

Full-time

$100,000 - $140,000

Blockchain Developer - Jersey City, NJ

Jersey City, New Jersey

•

29d ago

Role: Blockchain DeveloperLocation: Jersey City, NJ/ Tampa, FLRole Overview:Design, develop, and implement distributed ledger solutions to modernize post-trade financial infrastructure, including clearing, settlement, and asset servicing systems. Work within high-throughput, regulated environments to enhance transparency, resilience, and efficiency using blockchain technologies. Key Responsibilities:Develop and maintain blockchain-based applications for financial market infrastructure.Design sma

Easy Apply

Third Party, Contract

$50 - $90

Lead Software Engineer Digital Assets Team

New York, New York

•

Today

Job Description As a Lead Software Engineer at JPMorganChase within the Asset Wealth Management, Digital Assets Team, you lead multiple technical areas, manage the activities of multiple departments, and collaborate across technical domains. Your expertise is applied cross-functionally to drive the adoption and implementation of technical methods within various teams and aid the firm in remaining at the forefront of industry trends, best practices, and technological advances. We are looking fo

Full-time

USD 152,000.00 - 215,000.00 per year

Search all similar jobs