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Trainee Smart Contracts Developer Jobs in New York

Etherfi

Smart Contract Lead

New York, NY · On-site

$240K - $300K/yr

... Engineer with a deep understanding of Solidity and extensive experience in writing and deploying smart contracts on the Ethereum blockchain you will be a key component of the ether.fi team. The ideal ...

Paxos Labs

Smart Contract Engineer

New York, NY · On-site +1

We are looking for a motivated developer that can not only develop, but aptly research and deploy ... Develop solidity contracts and produce comprehensive test suites for the protocol. * Maintain ...

Uniswap Labs

Senior Smart Contract Engineer

New York, NY · On-site

$226K - $282K/yr

We are looking for an experienced smart contract engineer to help us build the next generation of ... You will be responsible for implementing and designing smart contracts for the next generation of ...

Monad Foundation

Smart Contract Engineer

Manhattan, NY · On-site

$180 - $220/hr

You'll implement smart contracts that are well suited to the resources and throughput enabled by the Monad client built by Category Labs * You'll identify needs in the app developer ecosystem and ...

Etherfi

Smart Contract Engineer

New York, NY · On-site

$120K - $220K/yr

Designing and deploying Solidity smart contracts * Building backend systems to automate on-chain ... Strong programming & design skill in Solidity * Have strong fundamentals in software engineering ...

Category Labs

Smart Contract Engineer

New York, NY · On-site +1

$180K - $250K/yr

You'll implement smart contracts that are well suited to the resources and throughput enabled by the Monad client built by Category Labs * You'll identify needs in the app developer ecosystem and ...

Royal Bank of Canada

Smart Contract Engineer

Jersey City, NJ · On-site +1

$135K - $225K/yr

Design, develop, test, maintain and optimize all smart contracts. * Research & evaluate relevant ... Document developed software by providing appropriate developer docs, architecture diagrams and user ...

De Circle

Spark.Fi - Smart Contract

New York, NY · On-site +1

We are looking for a Senior Smart Contract Engineer to help architect and build the core primitives behind Spark's vault infrastructure, AMM integrations, and yield-generating systems. This is a ...

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Trainee Smart Contracts Developer information

What is the difference between Trainee Smart Contracts Developer vs Junior Blockchain Developer?

AspectTrainee Smart Contracts DeveloperJunior Blockchain Developer
CredentialsBasic understanding of blockchain, coding skills, possibly certifications in blockchain fundamentalsSimilar credentials, often with additional programming or blockchain certifications
Work EnvironmentTraining programs, internships, entry-level projects within blockchain teamsEntry-level roles in blockchain projects, supporting development teams
Industry UsageCommon in blockchain startups, tech firms, and companies exploring smart contract solutionsUsed across blockchain companies, fintech, and decentralized app development

The main difference is that a Trainee Smart Contracts Developer is typically in a learning or internship phase focusing specifically on smart contracts, while a Junior Blockchain Developer has a broader role in blockchain development, often involving multiple blockchain components. Both roles require foundational blockchain knowledge, but the trainee position emphasizes skill development in smart contracts first.

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The most popular types of Smart Contracts Developer jobs in New York are:

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For Trainee Smart Contracts Developer jobs in New York, the most frequently searched job titles are:

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Cities in New York with the most Trainee Smart Contracts Developer job openings:

Trainee Smart Contracts Developer jobs near you
Infographic showing various Trainee Smart Contracts Developer job openings in New York as of June 2026, with employment types broken down into 80% Full Time, and 20% Part Time. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution.

Smart Contract Engineer

Kinsei Recruitment

Manhattan, NY • On-site

Full-time

Re-posted 2 days ago

Job description

Job Summary:
Kinsei Recruitment is working with a client that is building essential zk-rollup infrastructure for Ethereum, focusing on cryptography and blockchain technology. The Smart Contract Engineer will develop secure contracts, create tooling for the ecosystem, and tackle challenges at the cutting edge of smart contracts and data.
Responsibilities:
• Develop secure contracts that make up our entirely on-chain architecture (Cairo & Solidity)
• Create both internal and public tooling that will help us and the ecosystem move faster
• Create smart contracts on the Ethereum L1 that bridge over critical data, such as Uniswap TWAP rates or Aave overnight rates (Solidity)
• Think from first principles to tackle challenges at the cutting edge of cryptography, smart contracts and data - prioritizing safety and robustness
Qualifications:
Required:
• You have deployed smart contracts to mainnet before that have significant traction (in terms of usage and / or TVL and / or transaction volume)
• >3y of professional experience, ideally at a VC backed startup
• Please share your GitHub account, and if possible link to some of the smart contracts you've worked on
Preferred:
• Big bonus if you've experience with the Cairo programming language
Company:
Kinsei Recruitment offers talent acquisition and recruitment services, focusing on IT Services and IT Consulting. Founded in 2020, the company is headquartered in Bucharest, ROM, with a team of 2-10 employees. The company is currently Early Stage.

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