4 P2P Networking Jobs

You should have thorough knowledge at an expert level of LAN technologies including switches, routers, and firewalls in large-scale, high-availability environments. Additionally, understanding of WAN Accelerators such as Riverbed WAN optimizer and similar products, as well as Load Balancers like F5 load balancers and equivalents in the industry, is required. Knowledge of QoS and LAN traffic management techniques is essential for this role. Furthermore, you should possess comprehensive knowledge of IT infrastructure, TCPIP, networking, and information system security principles, practices, and technologies. An understanding of core Internet routing protocols like OSPF, EIGRP, BGP, and related services is necessary. Familiarity with intrusion detection systems and intrusion prevention system technology is also expected. Advanced knowledge of large-scale LAN/WAN switching and routing implementation and operation is crucial, with specific expertise in VTP, VLAN, VPN, MPLS, and P2P networking. A solid foundation in centralized monitoring and management of network devices is essential for success in this position.,

DragonFlyTest is a leading provider of independent software quality assurance and testing services globally, offering high-quality and efficient testing solutions to help customers build quality products. With a dedicated team of over 70 skilled professionals, we deliver mission-critical testing solutions through our offices in the USA, UK, and India. DragonFlyTest is an ISO 9001:2015 and ISO/IEC 27001:2022 certified organization, ensuring the highest standards in testing. Our solutions enhance operational efficiency, reduce time to market, increase credibility, and improve customer retention for our clients. Design and execute comprehensive test strategies for blockchain and DAG-based distributed platforms including Hedera, IOTA, Sui, and similar networks to ensure system reliability and performance. Leverage 3 to 5 years of proven hands-on experience testing distributed systems to identify complex network issues, transaction failures, and consensus mechanism problems. Perform thorough testing of transaction processing, state synchronization, and data consistency across multiple nodes in distributed network environments. Collaborate effectively with development teams to validate fixes, debug system issues, and ensure seamless integration of network components and consensus algorithms. Analyze account state updates, transaction details, and network behavior to identify discrepancies, bottlenecks, and potential security vulnerabilities in distributed systems. Conduct load testing, stress testing, and chaos engineering to evaluate network throughput, transaction processing capacity, and system resilience under various failure scenarios. Test peer-to-peer communication protocols, message propagation, and network partition scenarios to ensure robust inter-node connectivity and data integrity. Continuously stay up to date with the latest developments, testing methodologies, and emerging technologies in blockchain, DAG platforms, and distributed systems testing. Required Skills: Strong understanding of blockchain/DAG architecture, consensus algorithms, and distributed system principles with practical testing experience. Mandatory and demonstrable expertise in testing at least one major blockchain platform or DAG-based system such as Hedera Hashgraph, IOTA, or Sui. Good to have experience with multiple blockchain platforms like Ethereum, Bitcoin, Hyperledger, or other distributed ledger technologies. Solid understanding and practical application of network protocols including TCP/IP, P2P networking, and gossip protocols for distributed communication. Proven ability to analyze transaction logs, block data, and identify state inconsistencies across distributed network nodes. Proficient in using testing frameworks and monitoring tools specifically designed for distributed systems and blockchain platforms. Preferred experience with cryptographic concepts including hashing, digital signatures, merkle trees, and their implementation in distributed systems. Strong problem-solving and debugging skills, including experience with chaos testing, network partition testing, and Byzantine fault tolerance scenarios to identify and resolve distributed system issues effectively. If you meet the above requirements and are excited about working in a challenging and dynamic environment, please send your profiles to: hiring@dragonflytest.com.,

Job Summary The Blockchain Technical Specialist you will be responsible for the verification and validation of our Layer 1 blockchain protocol under development. This role requires deep expertise in blockchain architecture, consensus mechanisms, and security practices to ensure the chain meets industry standards for performance, scalability, and reliability. The ideal candidate will have hands-on experience in designing, developing, and auditing blockchain systems, with a focus on L1 protocols. Key Responsibilities Verification and Validation: Conduct thorough verification and validation of the L1 blockchain protocol, including consensus algorithms, smart contracts, and cryptographic implementations. Architecture Review: Evaluate and refine the technical architecture of the L1 chain to ensure scalability, security, and efficiency. Code Auditing: Perform detailed code reviews to identify vulnerabilities, bugs, or inefficiencies in the blockchain codebase. Consensus Mechanism Validation: Validate the chosen consensus mechanism (e.g., PoW, PoS, or others) for correctness, security, and performance under various conditions. Security Analysis: Assess the protocol for potential security risks, including 51% attacks, double-spending, and other vulnerabilities, and recommend mitigation strategies. Performance Optimization: Collaborate with the development team to optimize the chains performance, including transaction throughput and latency. Documentation: Create and maintain comprehensive technical documentation, including architecture designs, validation reports, and audit findings. Collaboration: Work closely with developers, researchers, and other stakeholders to ensure alignment on technical requirements and project goals. Stay Updated: Keep abreast of the latest advancements in blockchain technology, including L1 and L2 solutions, to incorporate best practices into the project. Required Qualifications Education: Bachelors or Masters degree in Computer Science, Cryptography, or a related field. Experience: 5+ years of experience in blockchain development or architecture, with at least 2 years focused on Layer 1 protocols. Proven experience in verifying and validating blockchain systems, including consensus mechanisms and cryptographic protocols. Hands-on experience with programming languages such as Rust, Move, Go, Solidity, or C++ used in blockchain development. Technical Skills: Deep understanding of blockchain fundamentals, including consensus algorithms (PoW, PoS, DPoS, BFT, etc.), cryptographic primitives (hashing, digital signatures, zero-knowledge proofs), and P2P networking. Familiarity with L1 blockchain protocols such as Ethereum, Bitcoin, Solana, or Polkadot. Experience with smart contract development and auditing. Knowledge of formal verification methods and tools for blockchain systems. Soft Skills: Strong analytical and problem-solving skills. Excellent communication and collaboration abilities. Ability to work independently and manage multiple priorities in a fast-paced environment. Preferred Qualifications Experience with auditing or developing L1 blockchain protocols in production environments. Familiarity with blockchain scalability solutions (e.g., sharding, rollups). Knowledge of decentralized finance (DeFi) or cross-chain interoperability protocols. Contributions to open-source blockchain projects or publications in the blockchain domain. Show more Show less

You will be responsible for implementing Blockchain technologies such as Ethereum and Hyperledger with hands-on technical expertise. Familiarity with Hyperledger Fabric and Solidity would be advantageous. Experience with Smart contract development tools will be a plus. Your strong background in Javascript, Python & Node JS, along with the ability to write programs in scripting languages and a deep understanding of their architecture, will be essential for this role. You should have a solid understanding of REST/JSON based API integration and Distributed Ledger technology, Blockchain ecosystem, and structure. Experience working in an Agile and DevOps environment will be beneficial. Knowledge of Mining, Hashing, Elliptic Curve Cryptography (ECC), and P2P Networking is required. You must have extensive experience in progressing major projects from the planning stage through implementation and completion. Effective communication skills with stakeholders and management during project consulting and analysis are crucial. A minimum of 5 years of full-time work experience in software development is required. The ideal candidate should have 1-5 years of experience in the field. For education, a UG degree in B.Tech/B.E. Computers, B.Sc in Any Specialization is required. PG qualifications in Any Postgraduate Specialization, Post Graduation Not Required, or MCA in Computers will be considered.,