Senior Blockchain Engineer

WhatJobs Direct
Seattle, US
Hybrid

Job Description

Our client, a cutting-edge technology firm at the forefront of decentralized solutions, is seeking an experienced Senior Blockchain Engineer to join their innovative team in Seattle, Washington, US . This role is ideal for a talented individual with a passion for blockchain technology and a proven ability to design, develop, and deploy scalable, secure, and efficient blockchain applications. You will play a key role in shaping the future of our decentralized products and platforms.

Key responsibilities include:

Designing, developing, and implementing smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon). Building and maintaining decentralized applications (dApps) and their backend infrastructure. Developing robust APIs and SDKs for blockchain integration. Ensuring the security, performance, and scalability of blockchain solutions. Collaborating with product managers, designers, and other engineers to define project requirements and technical specifications. Conducting code reviews, testing, and debugging to ensure high-quality software. Researching and evaluating new blockchain technologies and protocols. Contributing to the overall architecture and technical strategy of the blockchain team. Staying up-to-date with the latest developments in the cryptocurrency and blockchain space. Troubleshooting and resolving technical issues related to blockchain implementations.

Required qualifications include a Bachelor's or Master's degree in Computer Science, Engineering, or a related field. A minimum of 5 years of software development experience, with at least 3 years specifically focused on blockchain development, is essential. Strong proficiency in smart contract development languages (e.g., Solidity, Rust) is required. Experience with major blockchain platforms and protocols (e.g., Ethereum, Bitcoin, Layer 2 solutions) is a must. Solid understanding of cryptographic principles and security best practices is crucial. Familiarity with decentralized finance (DeFi) concepts and NFT technologies is highly desirable. Excellent problem-solving, analytical, and communication skills are necessary to work effectively in a fast-paced, collaborative environment. This hybrid role in Seattle, Washington, US offers flexibility while maintaining key team collaboration.

Skills & Requirements

Technical Skills

SolidityRustEthereumBitcoinLayer 2 solutionscryptographic principlessecurity best practicesdecentralized financeNFT technologiesproblem-solvinganalyticalcommunicationblockchaindecentralized solutions

Level

senior

Posted

3/24/2026

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