1. Could you introduce yourself and tell us about you? Your current / recent jobs and employers? Previous companies and jobs? He has over 20 years of experience in software engineering, technology management, blockchain, and financial technology. He began his career as a software engineer before progressing into technical leadership, project management, and engineering management positions. One of his significant career milestones was joining XXXX as a QA Director, where he built the QA organisation from scratch, established software development lifecycle processes, and implemented automation and CI/CD frameworks. In 2017, he joined XXXX and worked on the technical delivery of a regulated cryptocurrency exchange in Abu Dhabi, coordinating the Shanghai development team with local legal teams and consultants to meet regulatory requirements and launch the exchange under an ADGM licence. He currently works at XXXX as a Blockchain Architect Expert, where he focuses on technical architecture, development processes, partner coordination, and project delivery. 2. What skill(s) / experience would you self-describe as strongest or specialist in? He considers technical architecture, requirements analysis, and engineering coordination his strongest areas. He is particularly experienced in translating business and user requirements into technical specifications, functional tasks, and high-level architecture before coordinating with developers on implementation and low-level design. He also builds prototypes and demonstration systems to help developers and stakeholders understand the proposed functionality. His blockchain experience includes Ethereum, Polkadot, and Chainmaker, a Chinese consortium blockchain framework. He has personally designed and developed Solidity smart contracts between 2017 and 2020, and later worked on Rust-based smart contracts at XXXX, including reviewing existing implementations. He also has experience with DeFi and GameFi projects, including researching protocols such as Compound and developing DeFi-related functionality. He understands the technical development of DeFi systems but clarified that financial modelling, staking calculations, and profitability analysis are not his strongest areas. 3. Do you have the lists of key criteria’s according to the clients’ requirements? He demonstrates relevant experience in blockchain architecture, technical leadership, smart contract development, and project delivery. His background includes both public and private blockchain environments, with exposure to Ethereum, Polkadot, and Chainmaker. He has developed and reviewed smart contracts using Solidity and Rust, although his direct Solidity development experience was mainly between 2017 and 2020. His DeFi experience includes GameFi-related systems and research into DeFi protocols such as Compound, and he described his technical understanding as above intermediate level. In terms of leadership, he currently acts as the technical leader for a team of five, assigning technical tasks, coordinating development activities, and overseeing project milestones, although the team members formally report to a separate people manager. He previously built a QA organisation from scratch at XXXX and coordinated technical teams during the delivery of a regulated digital asset exchange.

1. Could you introduce yourself and tell us about you? Your current / recent jobs and employers? Previous companies and jobs? He has approximately five years of experience in the blockchain industry, including three years in backend system design and two years in smart contract development. He is currently working as a Blockchain Solutions Engineer at XXXX, where he focuses on Web3-related projects, particularly the tokenization of medical data. His responsibilities include researching blockchain standards and protocols, designing smart contract structures, and supporting the development of token-based applications. Previously, he worked at XXXX, where he contributed to the development of an AI marketplace and a DeFi trading agent. Before moving into blockchain and smart contract development, he worked on quantitative trading systems, including migrating an existing Python-based system to Rust and integrating APIs from cryptocurrency exchanges such as XXXX and XXXX. 2. What skill(s) / experience would you self-describe as strongest or specialist in? He considers smart contract development and overall Web3 system design his strongest areas. He has approximately two years of direct smart contract development experience and rated his Solidity skills 8/10. At XXXX, he researched EIP-3643 for a proposed real-world asset tokenization project and later worked on an ERC-20 token for a medical data application. He also researched MPC wallet solutions and helped prepare a demo involving account abstraction using EIP-4337 and EIP-7702. At XXXX, he helped develop smart contracts for an AI marketplace and provided technical guidance to the backend team on interacting with DeFi protocols such as XXXX, XXXX, and XXXX. He also has experience with subgraph infrastructure and TypeScript-based systems. His earlier backend engineering experience includes Rust, Python, TypeScript, API integrations, and quantitative trading system optimization. 3. Do you have the lists of key criteria’s according to the clients’ requirements? He has relevant hands-on experience in smart contract development, Web3 applications, DeFi integrations, and backend engineering. His experience includes working with ERC-20 tokens, account abstraction, MPC wallet research, and DeFi protocols such as XXXX, XXXX, XXXX, and XXXX. He has also developed demo implementations involving XXXX and a tokenized liquidity pool on a test network. However, his experience with staking and liquidity management is more limited, as he has mainly conducted research and prepared designs or demonstrations rather than delivering production implementations. He has not managed or mentored an engineering team, although he is open to taking on management responsibilities if given the opportunity. His experience is primarily focused on smart contracts and application-level Web3 development rather than building blockchain infrastructure or protocols from the ground up.

1. Could you introduce yourself and tell us about you? Your current / recent jobs and employers? Previous companies and jobs? He has over 10 years of software engineering experience, including approximately seven years specializing in Layer 1 blockchain infrastructure and distributed systems. He is currently working as a Blockchain Architect at XXXX, where he has been employed for almost one year. He leads a team of approximately three blockchain engineers and reports directly to the company owner. He also previously worked as a Blockchain Technical Director at XXXX and as a Blockchain Developer at XXXX. His experience primarily focuses on blockchain protocol engineering, distributed system architecture, exchange-related infrastructure, and improving the performance and reliability of blockchain systems. He is currently exploring other opportunities due to financial difficulties at his present company. 2. What skill(s) / experience would you self-describe as strongest or specialist in? He identifies system-level thinking, problem-solving, and ownership as his strongest capabilities. His main specialization is Layer 1 blockchain infrastructure, including consensus mechanisms, data scheduling, parallel transaction execution, and distributed systems. He explained that he designed and independently developed the core system of a DPS public blockchain from scratch. He also worked on improving blockchain production stability by addressing synchronization, transaction processing, and production-related issues, resulting in better node synchronization, more stable block production, and improved transactions per second (TPS). At XXXX, he worked with the infrastructure team to improve the efficiency of its codebase. His technical background includes Go and Java, which he uses in blockchain infrastructure development and interactions with smart contracts. He has some Solidity exposure but clarified that he is not an expert in smart contract development. 3. Do you have the lists of key criteria’s according to the clients’ requirements? He demonstrates strong alignment with the blockchain infrastructure and protocol engineering requirements, particularly in Layer 1 architecture, distributed systems, consensus, transaction processing, and performance optimization. His experience building a public blockchain from scratch and improving production systems is relevant to the infrastructure aspect of the position. He also has some exposure to DeFi through a project at XXXX involving composition, decomposition, and rebalancing, although he acknowledged that his overall DeFi experience is limited. His smart contract expertise is also not a primary strength, as he is more focused on blockchain infrastructure than Solidity development. He currently leads a small team of approximately three engineers, although the full extent of his management responsibilities requires further clarification.

1. Could you introduce yourself and tell us about you? Your current / recent jobs and employers? Previous companies and jobs? He has approximately 30 years of experience in high-performance programming, primarily working with distributed systems, embedded technology, and blockchain infrastructure. He began his career in Web2 technology, including work at XXXX and XXXX, where he developed distributed storage systems involving Raft consensus and RocksDB. He later transitioned into blockchain engineering, accumulating approximately five years of experience in the field. At XXXX, he contributed to the development of a Layer 1 blockchain based on the Move ecosystem, focusing on consensus mechanisms, execution clients, storage optimization, and the Move virtual machine runtime. He subsequently joined XXXX as a Senior Blockchain Engineer, where he worked on the Cronos blockchain ecosystem and an off-chain matching engine connected to blockchain infrastructure. His responsibilities included improving blockchain performance, optimizing consensus mechanisms, and implementing parallel transaction execution. 2. What skill(s) / experience would you self-describe as strongest or specialist in? He identifies C, C++, Rust, and performance optimization as his strongest technical areas. His experience includes distributed systems, storage engines, consensus mechanisms, execution clients, virtual machines, and blockchain infrastructure. At XXXX, he contributed to the Cronos ecosystem, including work related to EVM-compatible RPC functionality and Cosmos SDK storage optimization. He explained how his team developed a storage approach using snapshots and change logs to reduce storage requirements and improve performance compared with the existing IAVL storage structure. He also has experience with Raft consensus from his earlier infrastructure work at XXXX and has contributed approximately 100 pull requests to an open-source Rust project. Regarding smart contracts, he confirmed that he has developed Move-based contracts but does not consider himself an expert in smart contract development. His cloud experience is primarily with AWS, while he has no confirmed Google Cloud experience. 3. Do you have the lists of key criteria’s according to the clients’ requirements? He demonstrates strong technical alignment with the blockchain infrastructure and engineering requirements of the position, particularly in Layer 1 blockchain development, distributed systems, consensus mechanisms, execution engines, storage optimization, and performance engineering. He rated his Layer 1 blockchain expertise approximately 8–9 out of 10 and has practical experience working on blockchain systems at XXXX and XXXX. He also has exposure to smart contract development through Move, although he acknowledged that this is not his strongest specialization. In terms of leadership, he reported approximately seven years of engineering leadership experience, including leading a team of up to four engineers. His responsibilities included planning development activities, guiding engineers through technical issues, and helping improve system performance. He also has experience with cryptocurrency exchange-related infrastructure through the matching engine and risk engine developed at XXXX.