Gerrone Matticks

Senior Java Developer @HSBC

London, GB

Development duties for greenfield Equities Derivatives risk calculation and high volume large scale compute pricing system (VaR, HVaR, Stress VaR) from initial design and implementation to production deployment and support.+ Java 21, Spring Boot, Apache Beam, Google Cloud Platform (Compute Engine, Cloud Storage, Dataflow, BigQuery, PubSub, Google Kubernetes Engine), Kafka, Terraform+ Main contributor for work manager and prioritiser application supporting the large scale distributed computing infrastructure, capable of handling the workload of ten of thousands of individual pricing engines and managing state for millions of individual pricing tasks (handling peaks of req/s)+ Implemented conversion from legacy Solace JMS messaging to Google cloud PubSub message publishing for critical area of application (resulting in improved message throughput, less production incidents and less infrastructure overhead)+ Successfully rewritten and migrated Equities risk scenario collection, calculation and publication with Google Cloud Dataflow (serverless) pipeline,Improvements include- The ability for our application to handle multiple collation & publication requests concurrently (previously only 1 at a time)- Switch from permanently running instance to on demand instance(s), resulting in large GCP cost saving for our department.

University of Birmingham

Bachelor of Science (BSc), Computer Science

Leyton Sixth Form College

College, A Levels