Basic smart contract knowledge (Solidity); able to read contract code logic
Contribution experience in open-source big data / blockchain data / AI infrastructure projects
Relevant technical certifications (e.g. AWS/GCP big data or AI certifications)
Experience using AI coding agents (e.g. Claude Code) to improve data engineering efficiency
Bachelor's degree or above in Computer Science, Software Engineering, or related field; 7+ years of big data development experience
Proficiency with Hadoop, Spark, and Flink, with experience building batch/real-time data warehouses
Familiarity with Hive, Kafka, HBase, ClickHouse, and Doris, with large-scale cluster tuning experience
Strong big data development skills in Java/Scala/Python, with solid SQL tuning ability
Experience with data governance, data quality monitoring, or metadata management is a plus
Understanding of LLM fundamentals and application patterns, with hands-on experience in prompt engineering and RAG
Experience with vector databases (e.g. Milvus, Pinecone, Weaviate, pgvector) or Embedding data processing
Familiarity with emerging AI application architectures such as AI Agents or MCP (Model Context Protocol) is a plus
Experience connecting big data platforms with AI/ML training and inference pipelines (e.g. feature platforms, real-time feature serving)
Experience using LLMs to accelerate data engineering (automated data quality checks, intelligent ETL generation, Text2SQL) is a plus
Basic ML/deep learning knowledge and ability to collaborate effectively with algorithm teams is a plus
Understanding of blockchain fundamentals (account model/UTXO, consensus mechanisms, gas mechanics)
Understanding of on-chain data structures for major public chains (Ethereum, BSC, Solana, Bitcoin, etc.) — blocks, transactions, event logs, token transfers (ERC-20/ERC-721)
Experience with on-chain data collection/parsing is a plus — e.g. building or integrating with The Graph, Dune, Etherscan API, or node RPCs
Understanding of DeFi, NFT, or cross-chain bridge business models and their data characteristics is a plus
Data engineering experience at an exchange, wallet, DeFi protocol, or on-chain analytics company is a plus
Fluent English reading/writing; able to independently read English technical documentation (e.g. Ethereum Yellow Paper, RFCs/EIPs, AI papers) and write technical proposals and weekly reports in English
Able to communicate in English with overseas teams, communities, or partners, with strong cross-cultural communication skills
Clear logical thinking, strong problem decomposition and troubleshooting ability, and a strong appetite for learning new AI technology
Strong team player, able to deliver consistently in a fast-paced, high-uncertainty Web3 environment