Senior Data Engineer, Mandarin Speaker

About the RoleSenior Data Engineer, Mandarin SpeakerThis role requires for bilingual speakers who speak both Mandarin and English. A5 Labs is redefining the boundaries of AI-driven security in competitive online environments. We specialize in ensuring fair play, integrity, and trust in high-stakes, strategy-based games such as online poker and real-time competitive gaming platforms.We are looking for an experienced Senior Data Engineer (5+ years) to join our growing analytics team. You will be responsible for building, expanding, and optimizing our data and pipeline architecture, and supporting cross-functional teams in data flow and collection. This role ensures the delivery of high-quality, scalable, and reliable data infrastructure across all projects.Key Responsibilities:Build and maintain optimal data pipeline architecture.Develop large, complex data sets that meet functional and business requirements.Identify and implement process improvements: automate manual tasks, optimize data delivery, and redesign infrastructure for scalability.Use AWS big data and SQL technologies to design and implement efficient ETL pipelines from multiple data sources.Develop data tools and analytics solutions to generate insights on customer behavior, operations, and key business metrics.Collaborate with executives, product, data, and design teams to solve technical challenges and support data needs.Ensure secure and compliant data management across multiple data centers and AWS regions.Build internal tools for analytics and data science teams to improve product innovation.Partner with data experts to enhance system performance and functionality.Requirements:5+ years of hands-on experience with big data tools (e.g., Databricks, Snowflake).5+ years of experience with big data frameworks (e.g., Spark, Hive, Hadoop, EMR).5+ years of experience with SQL/NoSQL databases.3+ years of experience with AWS services (EC2, ECS, MSK, RDS, Redshift).3+ years of Python programming experience.Proven experience building and optimizing large-scale data pipelines and architectures.Strong knowledge of streaming and batch data processing.Solid analytical skills with structured and unstructured datasets.Experience deriving value from large, complex, and distributed data sets.Strong understanding of data modeling, data access, and storage design.Degree in Computer Science, Statistics, Information Systems, or a related quantitative field (Master’s preferred).Fluent Mandarin required, also can use English as working language.Nice to Have:Experience with Elasticsearch, Solr, or other indexing solutions.Familiarity with Spark Streaming, Kafka Streams, or Flink.Experience with workflow tools like Airflow or Apache Nifi.Understanding of machine learning, numerical analysis, and data analytics.About the Team: This role is embedded within AI Engineering team, A5 Labs’ elite team dedicated to advanced game AI and security. We develop reinforcement learning agents, real-time detection systems, and behavioral analytics tools to tackle cheating, botting, and collusion in poker and other high-skill games.What We OfferCompetitive compensation (4.5+ Glassdoor rating; 100% pay satisfaction)Fully remote with flexible hours and generous paid leave (4–5 weeks extra)Direct collaboration with world-class AI researchers and engineersProduct-focused culture — we ship real systems, not just white papersMulticultural and inclusive team — Responsible, Freedom and Collaboration.