James Green is a Data Engineering Manager with 10+ years’ experience building high-performance big data and low-latency systems for banking front offices, specializing in Hadoop, Spark, Kafka and Elasticsearch for fixed-income market making and price discovery. He combines deep market connectivity and FIX/FAST experience from long-tenure roles at Nomura and other financial firms with modern data-platform leadership at Simply Business. Known for pragmatic architecture across streaming, parquet/avro storage and real-time pricing, he bridges trading-domain nuance and scalable engineering. Based in Mid Sussex, he brings a rare mix of hands-on low-latency C++/Java background and contemporary data ops practices—useful when untangling both market liquidity problems and cloud-native pipeline complexity.
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