Staff Software Engineer - Smart Contracts Team

ZipRecruiter; New York (NY); Remote; USD 120,000 - 160,000; Full time

Job summary

A leading company is seeking a Staff Software Engineer for its Smart Contracts team. This fully remote role involves developing services for smart contract transactions using Java and web3 APIs, focusing on EVM ecosystem and distributed applications. The ideal candidate will have extensive experience in Java, JavaScript/TypeScript, and smart contract development, contributing to enhancing the Hashgraph Distributed Ledger Ecosystem.

Qualifications

• 7+ years of software development experience.
• Strong expertise in Java and JS/TS programming ecosystem.
• Experience with smart-contract development, frameworks like Web3.js and Ethers.js.

Responsibilities

• Implement and enhance Java-based smart contract services on the network.
• Design, develop, and maintain server-side logic for back-end solutions.
• Write efficient, reusable, and reliable code optimizing speed and scalability.

Skills

Java

JavaScript

TypeScript

Solidity

Distributed application development

RESTful API design

Job description

Job DescriptionJob DescriptionCareer Renew is recruiting for one of its clients a Staff Software Engineer - Smart Contracts Team - this is a fully remote US based role.

About The Role:

The Smart Contracts team is looking for a seasoned engineer who can contribute to the development of our services in both the Java and the web3 APIs in JS/TS that process smart contract transactions across the network submitted using varied web3 tools.

You may find yourself doing all of the following:

• Staying connected with the EVM ecosystem, bringing vital learnings, discussions, and applicable explorations back to the team to improve EVM DevEx

• Implementing and enhancing the Java-based smart contract services on the network that parse byte code and process transactions submitted to the network via an EVM client

• Designing, developing, and maintaining server-side logic for back-end solutions with public APIs involving TypeScript, SQL, data ingestion, REST, GraphQL, and Web Sockets

• Applying Web3 knowledge of Solidity and EVM transactions life cycle

• Writing efficient, reusable, and reliable code to optimize for maximum speed, scalability, and system efficiency

• Exploring and unblocking web3 tool and DApp integration capabilities, ensuring devs can continue to use their familiar tools when migrating to us from other EVM chains

• Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency and effectiveness

• Developing various aspects of the Hashgraph Distributed Ledger Ecosystem

• Being a strong and proficient hands-on programmer

• Spending 80% of your time designing, coding, and testing

Requirements:

Must have 7+ years of software development experience & Experience with distributed open-source application development.

Must have strong expertise in the Java and JS/TS programming and its ecosystem of libraries and tools

Experience with smart-contract development with Solidity/Vyper, Foundry, Web3.js / Ethers.js frameworks, JavaScript/TypeScript.

Experience with Wallet integrations (MetaMask, WalletConnect, etc.): Tools and libraries for connecting Web3 applications with users' cryptocurrency wallets.

Strong understanding of RESTful API design and development.