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Hashgraph · 5 months ago

Principal Software Engineer - Block Node Team

United States

Full-time

Remote

Senior Level, Lead/Staff

8+ years exp

Hashgraph is a fast-growing software company committed to supporting and developing Hedera, an open-source, proof-of-stake platform. The Principal Software Engineer will be responsible for developing the Java-based low-latency, high-throughput Hedera block node product, ensuring high performance network data streaming and collaborating with various teams to enhance the decentralized platform.

Information TechnologyInternetNetwork Hardware

H1B Sponsor Likely

Responsibilities

Implementing and enhancing Java-based low latency streaming and long-term storage management features

Designing, developing, and maintaining server-side logic for backend solutions with public APIs involving gRPC

Managing efficient serialization and deserialization of protobuf

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

Continuously discovering and evaluating alternatives for architectural review and implementing new technologies to maximize development efficiency and effectiveness

Performance tuning of core modules

Designing high-performance, low-latency matching algorithms of a multi-threaded in-order message service

Staying connected with the web3 ecosystem bringing vital learnings, discussions, and applicable explorations on blockchain validators and verifiers bringing them back to the team to improve

Developing various aspects of the Hedera Hashgraph Distributed Ledger Ecosystem

Being a strong and proficient hands-on programmer

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

Qualification

Java concurrencyPerformance optimizationData IOEvent-driven developmentTest-driven developmentContinuous integrationDebugging skillsBlockchain knowledgeSecurity principlesCryptographic toolsHigh-performance architectureCritical thinkingInterpersonal skills

Required

8+ years of software development experience

Master's degree in Computer Science or a similar field or equivalent work experience

Expertise in Java concurrency

Experience with data IO

Excellent debugging, critical thinking, and interpersonal skills

Familiarity with event-driven and test-driven software development processes and continuous integration tools and systems

Strong grasp of Computer Science fundamentals, including concurrency, performance optimization, and reusability

Preferred

Deep knowledge of and experience with Java VM, covering its strengths and weaknesses

Deep knowledge of and experience with high frequency message broker technologies

Deep knowledge of and experience with Helidon

Strong engineering principles and processes aimed at developing simple, modular, testable, and high-quality code

Knowledge of blockchain/DLT technology ecosystem

Familiarity with security principles, cryptographic tools and libraries

Familiarity with high-performance architectural systems and design patterns

Company

Hashgraph

Our mission is clear: to cultivate a secure, trusted, and sustainable decentralized world.

Founded in 2022

Dallas, Texas, USA

51-200 employees

https://swirldslabs.com

H1B Sponsorship

Hashgraph has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

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2023 (1)

2022 (1)