Principal EVM Engineer – Smart Contracts Team

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November 4

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Hashgraph

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Crypto • Web 3 • Enterprise

Hashgraph is a fast-growing software company that provides engineering, product development, and marketing support for the Hedera distributed ledger network. It develops and maintains core Hedera services (Consensus Service, Token Service, Smart Contract Service), builds open-source community tools such as the HashScan ledger explorer, and offers enterprise products and APIs including private permissioned networks (HashSphere), NFT tooling, loyalty and token management, and payments. Hashgraph partners with enterprises and developers to enable scalable, secure, and sustainable decentralized applications, bridging traditional systems and Web3 ecosystems.

51 - 200 employees

Founded 2022

₿ Crypto

🌐 Web 3

🏢 Enterprise

📋 Description

• Being part of an engineering team that delivers values frequently, working from design to implementation in a daily collaborative process. • Working on plain Java codebase (with no libraries or frameworks) with high performance, low latency and high throughput requirements • Designing, implementing, and innovating transaction processing, execution algorithms, processes, and opcodes. • Implementing and enhancing the Java smart contract services on the Hedera network that expose EVM features • Upgrading the Hedera EVM with the Ethereum roadmap upgrades and the Hedera native innovations. • Contributing to open source code clients that focus on VM state transitions based on contract bytecode with the goal of new feature support and performance improvements • Developing various aspects of the Hedera Hashgraph Distributed Ledger Ecosystem • Implementing Hedera improvement proposals requested by the community • Testing the Hedera EVM with Ethereum community tools and Consensus node testing tools. • Spending 80% of your time designing, coding, and testing

🎯 Requirements

• Master’s degree in Computer Science or a similar field, or equivalent work experience • 10+ years of software development experience • 4+ years of blockchain development experience • Experience with distributed open-source application development • Expertise in the Java programming language, VM, and its ecosystem of libraries and tools • Experience in plain vanilla Java development with high performance requirements • Deep knowledge of and experience with EVM-based blockchains • Experience writing and debugging smart contracts for an EVM-based ledger • Experience in a tech or team lead role with the ability to guide engineers up to the Staff level • Strong grasp of Computer Science fundamentals, including concurrency, performance optimization, and reusability • Strong engineering principles and processes aimed at developing simple, modular, testable, and high-quality code • Familiarity with high-performance architectural systems and design patterns • Familiarity with test-driven software development processes and continuous integration tools and systems • Familiarity with security principles, cryptographic tools, and libraries