GSR is a London-based crypto trading firm running market making, OTC execution and liquidity provisioning across spot and derivatives markets. Its stack of Rust, C++ and Aeron on Kafka and Kubernetes, deployed through Flux and ArgoCD, points to low-latency, GitOps-managed trading infrastructure. Current hiring tilts toward finance and multi-entity operations rather than engineering, which suggests the firm is scaling controls alongside its OTC franchise.
GSR, founded in 2013 and headquartered in London, is a privately held financial services firm focused on digital asset markets. It provides market making, OTC trading and venture investment to token founders and institutional counterparties. The company employs 201–500 people and is currently hiring in the United Kingdom and Singapore. Its trading systems are built in Python, Rust, C++ and Go, with MySQL and MongoDB for data and Okta handling identity.
GSR uses Python, Rust, C++ and Go, with Kafka and Aeron for messaging, Kubernetes with Flux and ArgoCD for deployment, Terraform for infrastructure, and MySQL and MongoDB for data.
GSR is headquartered in London, United Kingdom, and is currently hiring in the United Kingdom and Singapore.
GSR is expanding its OTC franchise and its liquidity provisioning and yield activity. It is also building automated and data-driven crypto trading algorithms and running regulatory projects.
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GSR's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →
This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.
