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Contract Web3 Development Jobs in New York (NOW HIRING)

... Web3 payments infrastructure. This role is focused on designing and implementing secure, efficient ... You will operate at the intersection of smart contract development, DeFi mechanics, and blockchain ...

Smart Contract Engineer

New York, NY · On-site

$120K - $220K/yr

Participating as the security guardian in securing ether.fi's web3 tech stacks/ops. You Might Be a ... Opportunities for professional development and growth within the organization * Health, dental, and ...

... Web3 payments infrastructure. This role is focused on designing and implementing secure, efficient ... You will operate at the intersection of smart contract development, DeFi mechanics, and blockchain ...

Close six-figure annual recurring contracts with fintechs, financial institutions, and web3 ... Contribute to the development and refinement of Predicate's go-to-market strategy as a senior ...

Hands-on experience with smart contract development languages (Solidity, Rust, Move, etc.) * Solid ... Previously worked at crypto startup or Web3 infrastructure company * Experience with cross-chain ...

Protocol Engineer

Manhattan, NY · On-site

$120 - $160/hr

... of Web3 payments infrastructure. This high-impact role offers the opportunity to work on ... Hands‑on experience with smart contract development languages (Solidity, Rust, Move, etc.

Protocol Engineer

Manhattan, NY · On-site

$130 - $180/hr

... Web3 payments infrastructure. This role focuses on designing and implementing secure, efficient ... You will operate at the intersection of smart contract development, DeFi mechanics, and blockchain ...

General Counsel

Manhattan, NY · On-site

$180 - $280/hr

By re‑writing the most widely adopted execution environment in Web3, Sei is setting a new ... About the role The Sei Development Foundation (SDF) is hiring a General Counsel -- the first ...

By re-writing the most widely adopted execution environment in Web3, Sei is setting a new standard ... About the role The Sei Development Foundation (SDF) is hiring a General Counsel - the first ...

By re‑writing the most widely adopted execution environment in Web3, Sei is setting a new ... About the role The Sei Development Foundation (SDF) is hiring a General Counsel -- the first ...

Smart Contract Engineer

Jersey City, NJ · On-site +1

$135K - $225K/yr

Strong exposure to web3. * Experience with modern technologies and dev-ops. * Poses strong grasp on ... Smart Contract Security * Decentralized Application Patterns * Familiarity with at least two Smart ...

Showing results 21-40

Contract Web3 Development information

What is the difference between Contract Web3 Development vs Contract Blockchain Development?

AspectContract Web3 DevelopmentContract Blockchain Development
CredentialsExperience with Web3.js, Solidity, smart contractsSimilar credentials, often overlapping with Web3 skills
Work EnvironmentDeveloping decentralized apps (dApps), integrating with Web3 protocolsBuilding blockchain protocols, core blockchain features
Industry UsageUsed in dApp development, DeFi, NFT platformsUsed in blockchain protocol development, network infrastructure
Search & ComparisonOften compared for frontend dApp workMore focused on core blockchain tech

Contract Web3 Development and Contract Blockchain Development share many skills, especially in smart contract coding and blockchain protocols. However, Contract Web3 Development emphasizes building decentralized applications and integrating Web3 protocols, while Contract Blockchain Development focuses on creating and maintaining blockchain networks and core infrastructure. Both roles are vital in the blockchain ecosystem but serve different aspects of blockchain technology.

What are popular job titles related to Contract Web3 Development jobs in New York?

For Contract Web3 Development jobs in New York, the most frequently searched job titles are:

What cities in New York are hiring for Contract Web3 Development jobs?

Cities in New York with the most Contract Web3 Development job openings:

Infographic showing various Contract Web3 Development job openings in New York as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Sei Labs - Fullstack Software Engineer - Incubations

New York, NY • On-site

Full-time

Re-posted 3 days ago


Job description

About Sei Labs
Sei Labs builds open sourced technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 applications to reach Web2 level scale and performance, driving the mass adoption of digital assets.
Our teams are comprised of former Google, Goldman Sachs, Robinhood, Nvidia, and Databricks veterans dedicated to onboarding the next billion users onto a vibrant ecosystem of applications.
Sei Labs has raised over $30M from top investors including Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.
Incubations Engineering at Sei
Sei Labs is looking for a Fullstack Engineer to help shape the future of Web3 by empowering innovative, high-impact applications across the Sei Blockchain. You'll work with a team at the forefront of blockchain technology, collaborating closely with our ecosystem partners to develop cutting-edge dApps spanning diverse Web3 domains (from DEX's and games, to DePin, AI and beyond). If you're passionate about constant learning, rapid development, and making a tangible impact in a fast-paced, community-first environment, this is a unique opportunity to push the boundaries of what's possible in decentralized technology.
  • 3+ years of experience with full-stack development, with a focus on backend and API's
  • 1+ years working in Web3 with production grade Solidity contracts
  • Proficiency with one of Go / Typescript
  • Experience with database management using SQL, NoSQL, or similar technologies
  • Experience with cloud technologies such as AWS, Terraform