Senior Blockchain Engineer- Remote, Worldwide at Nethermind

Remote

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Blockchain, Web3, Cryptocurrency, FinTechIndustries

Requirements

5+ years of professional software development experience, including 3+ years of Solidity or equivalent smart contract programming
Proven track record in building, testing, and deploying complex, production-grade smart contracts using toolchains such as Foundry, Hardhat, or Remix
Strong programming skills in one or more general-purpose languages such as Go, Rust, Python, TypeScript/JavaScript, C#, Java, or Kotlin
Solid understanding of algorithms, data structures, and computational efficiency
Strong grasp of software architecture, design principles, and modern engineering processes
Ability to write clean, testable, and maintainable code that balances simplicity and scalability
Deep understanding of Ethereum architecture, including its execution model, transaction lifecycle, and core components
Practical knowledge of the Institutional DeFi ecosystem — lending/borrowing protocols, AMMs, perpetuals, vaults, tokenization, and stablecoins
Experience building off-chain services and integrations that interact with web3 protocols using libraries such as ethers.js or web3.js
Self-starter with curiosity and drive to continuously improve
Excellent problem-solving and analytical skills, with attention to detail
Strong written and verbal communication and collaboration skills
Proven ability to operate in distributed teams and collaborate across organizational boundaries
Proficiency in English

Responsibilities

Design, develop, and maintain applications and services built on blockchain infrastructure
Build, test, and deploy secure smart contracts for Institutional Grade protocols (primarily in Solidity)
Debug, profile, and optimize on-chain and off-chain components
Integrate blockchain data and transactions into enterprise-grade systems
Develop tooling and automation scripts for blockchain operations
Collaborate closely with cross-functional teams and external partners
Keep abreast of evolving blockchain protocols, tooling, and standards

Skills

Key technologies and capabilities for this role

SolidityEthereumSmart ContractsBlockchainDeFiZero-Knowledge ProofsWeb3RustGoHardhatFoundry

Questions & Answers

Common questions about this position

Is this position remote?

Yes, this is a remote-first role available worldwide.

What are the required years of experience and key technical skills?

The role requires 5+ years of professional software development experience, including 3+ years of Solidity or equivalent smart contract programming, strong skills in languages like Go, Rust, Python, or TypeScript/JavaScript, and deep understanding of Ethereum architecture.

What is the salary or compensation for this role?

This information is not specified in the job description.

What kind of collaboration is expected in this role?

The role involves deep collaboration with internal engineering and research teams, as well as external partners such as financial institutions, infrastructure providers, and blockchain foundations, and thriving in complex, multi-stakeholder environments.

What makes a strong candidate for this Senior Blockchain Engineer position?

A strong candidate has 5+ years of software development with 3+ years in Solidity, proven experience with production-grade smart contracts using Foundry or Hardhat, deep Ethereum knowledge, and is a self-starter with excellent problem-solving skills who writes clean, maintainable code.

Nethermind

Blockchain solutions for Ethereum network

About Nethermind

Nethermind.io focuses on blockchain solutions, particularly for the Ethereum network, offering services like a customizable Ethereum client, smart contract development, and security audits. They also research Layer 2 scaling solutions to improve transaction speed and develop Maximal Extractable Value (MEV) solutions for fair transaction processing. Their unique offerings include open-source tools like Warp for deploying smart contracts on StarkNet and the Voyager block explorer for interacting with StarkNet. The goal is to empower developers and enterprises to effectively use decentralized technologies while generating revenue through service fees and consulting.

London, United KingdomHeadquarters

2017Year Founded

$535KTotal Funding

GRANTCompany Stage

Cybersecurity, Crypto & Web3Industries

201-500Employees

Benefits

Hybrid Work Options

Remote Work Options

Risks

Competition from Ethereum client developers like Geth and Besu may impact market share.

Rapid blockchain evolution requires Nethermind to continuously innovate and adapt.

Potential security vulnerabilities in Warp transpiler could expose clients to risks.

Differentiation

Nethermind offers a high-performance Ethereum client, enhancing blockchain interaction efficiency.

Their Warp transpiler aids developers in deploying smart contracts on StarkNet.

Nethermind's security audits ensure blockchain applications are secure and free from vulnerabilities.

Upsides

Increased interest in Ethereum Layer 2 solutions boosts demand for Nethermind's tools.

Partnership with EigenLayer enhances Nethermind's influence in the Ethereum ecosystem.

zkSync Era Remix Plugin development attracts more developers to Nethermind's platform.

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