The Engineers

José M. García Cortés

CEO / Managing Director

Alicante, Spain🇪🇸

Service Delivery Manager and IT Operations leader with 12+ years managing complex, highly regulated IT environments. Currently Service Delivery Manager at Fujitsu, overseeing end-to-end delivery across Workplace, Infrastructure, Cloud, Networks, Reporting, and DevOps domains. Deep ITIL expertise as Incident and Problem Manager. Drives overall business leadership, client acquisition, engagement delivery governance, and commercial strategy across QuantStratum. Primary point of contact for enterprise clients. Industrial Engineering, Universidad Miguel Hernández. Trilingual: Spanish, English, French.

Joaquin Bejar García

Head of Quant Engineering

Madrid, Spain🇪🇸

Quantitative systems engineer and founder of Capital Delta, a systematic options trading operation. Builder of production-grade matching engines, order books, risk systems, and FIX/SBE protocol layers in Rust. Author of open-source libraries OrderBook-rs (300+ ★), OptionStratLib (170+ ★), IronSBE, and market-maker-rs. Published researcher on SSRN (structured OTC crypto frameworks) and author of a forthcoming book on algorithmic options trading. 15+ years in infrastructure engineering and network security. Leads QuantStratum's technical vision, options analytics, matching engine design, protocol engineering, and open-source strategy.

Daniel A. Gallardo Aguilar

CTO / Platform Lead

Alicante, Spain🇪🇸

Technical manager and software engineer with hands-on Rust and Python expertise, leading high-performance engineering teams in reliability-critical environments. 10+ years managing distributed platform engineering teams, driving cloud-native transformation, and embedding DevOps, CI/CD automation, observability, and security-by-design across delivery lifecycles. Backend engineer at Capital Delta, building trading infrastructure connectors (REST, WebSocket, NATS, Redis) and database integrations (MongoDB, QuestDB, TimescaleDB, PostgreSQL). Leads technical leadership, platform architecture, SRE practices, and hands-on Rust/Python engineering at QuantStratum.

Carlos Jiménez García

Principal Engineer

Guadalajara, Spain🇪🇸

Senior software developer with 20+ years building systems software across the full stack, from SCADA real-time control systems to modern high-performance microservices. The last four years focused on Rust, C++, and Python at Dell EMC, designing telemetry engines (Tokio + Actix-web), gRPC services (Tonic), data pipelines (Pandas + ClickHouse), and CLI tooling for large-scale storage infrastructure. Career-long trajectory of production systems programming: C++ for railway SCADA, Python/Bash automation for enterprise storage, now Rust services processing TB-scale data in real time. Strong TDD and DDD practitioner.

Luis Soto Campos

Head of Cloud Infra

London, United Kingdom🇬🇧

Senior cloud and platform engineer with 20+ years of experience, evolving from enterprise Unix and virtualization into cloud-native, containerized, and highly automated platforms. Deep hands-on expertise in AWS (EC2, EKS, IAM, VPC), Kubernetes, and Amazon EKS, designing and operating production-grade clusters and CI/CD platforms. Current SRE at Splunk operating multi-cloud SaaS deployments. Former Senior MLOps Engineer at Bumble (GPU workloads on EKS), SRE at FlexTrade (ultra-low-latency trading systems on OpenShift), and Senior Cloud Infrastructure Engineer at VMware. London-based presence for UK client relationships.

Gustavo A. Martínez Bailén

Head of Network & Infra

Murcia, Spain🇪🇸

Lead Network Administrator with 12+ years managing enterprise-grade network infrastructure in large, regulated organizations. Deep expertise in load balancers (F5 ASM/LTM/GTM/APM), firewalls (CheckPoint, Cisco ASA), switching (HP, Cisco, Enterasys), wireless (Cisco WLC/WCS), monitoring platforms (Nagios, Centreon, PRTG), and datacenter management (Nlyte, EfficientIP DDI). Former telecom project manager deploying IP telephony (NGN) across 600+ bank branches (Bancaja project). Telecommunications Engineering, Universidad Politécnica de Valencia.