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Hashgraph

Hashgraph is a technology company that specializes in distributed ledger technology and consensus algorithms, providing innovative solutions for secure and efficient data management.

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Jobs at this company:

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🔥 Senior DevOps Engineer
Posted 2024-11-14

🔍 Software Development

  • At least 5 years of DevOps or software development experience.
  • At least 3 years of experience in running AWS/GCP/Azure cloud workloads.
  • At least 3 years of experience with Terraform, Kubernetes, and Ansible.
  • Deeply familiar with operating and troubleshooting issues in a Linux environment.
  • Deeply familiar with git and DevOps/software development lifecycle best practices.
  • Familiarity with Jenkins Pipelines.
  • Good written communication skills.
  • Comfortable working in a fully remote environment.

  • Support operations of the consensus nodes in Hedera testnet, previewnet, and preproduction.
  • Build automation to reduce toil work and improve configuration management processes.
  • Liaise with the operations of the Hedera Governing Council.
  • Build infrastructure on Google Cloud Platform (GCP) via Terraform.
  • Automate preproduction and release workflows via Ansible and Jenkins.
  • Support 24/7 operational needs including on-call incident response.
Posted 2024-11-14
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🔥 Senior Infrastructure Engineer - Release Engineering
Posted 2024-11-07

📍 United States

🔍 Software

  • 8+ years of experience monitoring, deploying, and patching Linux-based server infrastructure.
  • 5+ years of experience managing and maintaining bare metal Kubernetes clusters.
  • 5+ years of experience managing, maintaining, and deploying mission-critical network & server infrastructure.
  • 3+ years of experience with Zero-Trust Privileged Access Management solutions such as Teleport or StrongDM.
  • 3+ years of experience writing network infrastructure documentation including diagrams and policies.
  • 2+ years of experience with network infrastructure design and architecture.
  • 2+ years of experience with IPv4/IPv6 address space planning and management.
  • 2+ years of experience planning and deployment of routing protocols (eg: OSPF, BGP).
  • 2+ years of experience planning and deploying bare metal configuration management solutions.
  • 2+ years of experience writing effective design and process documentation.
  • Self-motivated with excellent communication, organizational, and leadership skills.
  • Experience in Iterative and Incremental Engineering Practices.
  • Cisco CCNP, CCDE, Juniper JNCIA-ENT, or JNCIA-DC certifications recommended.
  • Bachelor’s degree in Computer Science or equivalent work experience.

  • Managing, monitoring, and maintaining a fleet of 170+ bare metal servers.
  • Developing and maintaining Kubernetes clusters for CI/CD workflows and release management automation.
  • Ensuring the integrity and security of bare metal server deployments.
  • Developing and maintaining a scalable network and server infrastructure.
  • Maintaining network/server automation tools for the bare metal fleet.
  • Collaborating with IT and Security stakeholders for security auditing and threat mitigation.
  • Working with DevOps and Software Engineering stakeholders to align strategies and execution.
  • Ensuring product releases meet business goals.

LeadershipCiscoKubernetesStrategyRelease ManagementCI/CDLinuxDevOpsDocumentation

Posted 2024-11-07
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🔥 Product Security Engineer
Posted 2024-11-07

📍 EU, APAC

🔍 Software

  • Minimum 6 years of experience in application or product security, including 2-3 years of experience in software development or related field.
  • Familiarity with common security vulnerabilities and attack vectors.
  • Hands-on experience with security testing tools such as static analysis, dynamic analysis, and fuzzing tools.
  • Strong understanding of secure coding practices and principles (mainly Java and Solidity).
  • OSWA and/or CISSP certifications are mandatory - web3 experience can be considered as an alternative if these certifications haven't been obtained.

  • Conducting thorough security reviews of the company's products throughout the development lifecycle, including the design, implementation, and release phases.
  • Collaborating with cross-functional teams to identify security vulnerabilities and recommend mitigation strategies.
  • Developing and maintaining security testing methodologies and procedures.
  • Implementing and managing automated security testing tools and processes.
  • Providing guidance and support to development teams on secure coding practices and security best practices.
  • Staying current with industry trends and emerging threats to inform and enhance product security measures.
  • Assisting in incident response activities related to product security incidents.
  • Participating in security awareness training programs for internal stakeholders.

Software DevelopmentJava

Posted 2024-11-07
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🔥 Developer Advocate - US
Posted 2024-11-07

📍 United States

🔍 Software Development, Blockchain

  • Proficiency in Solidity and experience developing smart contracts on Ethereum or other EVM-compatible blockchains.
  • Familiarity with Web3 tools and frameworks such as Hardhat, Truffle, OpenZeppelin, Remix, Web3.js, Ethers.js.
  • Understanding of DeFi protocols and standards like ERC20, ERC721, and ERC1155.
  • Strong understanding of blockchain protocols, Web3 APIs, bridges, oracles, custodians, and dApp architecture.
  • Hands-on experience with deploying and managing smart contracts on public networks.
  • Problem-solving abilities in debugging smart contracts and dApps.
  • Entrepreneurial mindset with ability to act autonomously.

  • Serving as a Hedera smart contract expert and guiding developers in building decentralized applications using Solidity.
  • Staying updated on blockchain and smart contract development trends and sharing knowledge.
  • Developing proofs of concept (PoCs), sample dApps, and smart contracts to showcase Hedera’s capabilities.
  • Working closely with developers to debug and optimize their smart contracts.
  • Collaborating with product and engineering teams to contribute to Hedera Improvement Proposals (HIPs).
  • Delivering workshops, technical webinars, and tutorials on Solidity development.
  • Participating in and recording educational content to showcase smart contract use cases.
  • Engaging with the developer community across various channels.

BlockchainEthereumWeb3.jsPresentation skillsDocumentation

Posted 2024-11-07
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🔥 Developer Advocate - Sustainability, Americas
Posted 2024-11-07

📍 United States

🔍 Blockchain Technology

  • A strong understanding of blockchain protocols, Web3 APIs, and overall dApp architecture.
  • Passion for sustainability and interest in using blockchain technology for environmental challenges.
  • Strong understanding of climate finance including carbon credits and environmental markets.
  • Understanding of ESG reporting frameworks and blockchain's role in transparency.
  • Problem-solving abilities in debugging smart contracts and dApps built using Solidity.
  • Entrepreneurial mindset with high autonomy.

  • Guiding developers in building applications on Hedera using the Guardian platform for sustainable projects.
  • Developing and guiding users to develop digitized and open-source methodologies related to carbon markets and GHG emissions tracking.
  • Advocating for blockchain technology to address climate challenges, focusing on climate finance.
  • Contributing to the architecture and design of the Guardian platform.
  • Providing hands-on support to developers in debugging and optimizing projects.
  • Developing PoCs, sample dApps, and smart contracts to showcase Hedera’s capabilities.
  • Acting as a Hedera expert in guiding developers on dApp development.
  • Staying updated on blockchain trends and sharing knowledge.

BlockchainEthereumPresentation skillsDocumentationCompliance

Posted 2024-11-07
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🔥 Senior Software Engineer - Mirror Node Team
Posted 2024-10-11

📍 Americas

🔍 Software Development, Blockchain

  • 4+ years in Java
  • 3+ years in relational databases (preferably PostgreSQL)
  • 1+ years in Kubernetes
  • Experience with REST APIs
  • Knowledge of Spring Boot & Data structures
  • Strong problem-solving and reasoning skills
  • Strong communication skills
  • Collaborative mindset
  • Adaptability
  • Commitment to continuous learning and improvement

  • Being responsible for the entire application lifecycle from design, implementation, testing, and deployment to day two operations
  • Deploying APIs using gRPC, GraphQL, and REST
  • Identifying and eliminating query bottlenecks
  • Innovating, designing, implementing, and testing new approaches to improve speed and scalability
  • Rotating release manager responsibilities via a GitOps-based deployment model

PostgreSQLJavaKubernetesSpringSpring BootData StructuresgRPCCommunication SkillsProblem Solving

Posted 2024-10-11
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🔥 Senior Product Security Engineer
Posted 2024-09-06

📍 EU or APAC

🧭 Full-Time

🔍 Software, Blockchain technology

  • Bachelor's or Master's degree in Computer Science, Information Security, Blockchain, Cryptography, or related field (or equivalent experience).
  • 8+ years of experience in product security, application security, or penetration testing.
  • 2+ years of experience in blockchain security, smart contract auditing, or related roles.
  • Proficiency in smart contract languages such as Solidity or Rust and familiarity with blockchain platforms like Ethereum; knowledge of the Hedera Blockchain is a plus.
  • Strong understanding of web3 technologies and protocols (e.g., Gossip, Ethereum, IPFS, Whisper).
  • Experience with security assessment tools and methodologies specific to blockchain environments.
  • Familiarity with common blockchain security vulnerabilities and attack vectors.
  • Knowledge of cryptographic principles and protocols relevant to blockchain security.
  • Excellent problem-solving skills and ability to analyze complex systems.
  • Effective communication skills and ability to work collaboratively with cross-functional teams.
  • Hands-on experience with security testing tools such as static analysis, dynamic analysis, and fuzzing tools.
  • OSWA and/or CISSP certifications are mandatory.

  • Conducting comprehensive security assessments of blockchain-based systems, focusing on web3 security and smart contract security.
  • Writing malicious smart contracts to exploit and identify vulnerabilities in the Hedera blockchain.
  • Developing and implementing security strategies and best practices for the Hedera blockchain protocols.
  • Collaborating with development teams to integrate security measures into the design and implementation of blockchain solutions.
  • Designing and executing penetration testing and vulnerability assessments on blockchain networks and associated components.
  • Staying updated on emerging threats and vulnerabilities in the blockchain space and providing guidance on mitigation strategies.
  • Educating internal stakeholders on blockchain security best practices and principles.
  • Contributing to the development of security tools and frameworks tailored for blockchain environments.
  • Assisting in incident response activities related to blockchain security incidents.
  • Participating in security awareness training programs for internal stakeholders.

BlockchainEthereumRustCommunication SkillsProblem Solving

Posted 2024-09-06
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