About David
Spanish
Native or bilingual
English
Native or bilingual
Portuguese
Basic
Experience
- Dalimaray S.L.Founder & Principal ConsultantJune 2022 - Today (4 years and 1 month)Madrid, SpainProviding professional IT services to enterprise clients including Citibank. Researching "The Fourth Way: Human-AI Augmentation"—extending DevOps philosophy with agentic AI, self-healing infrastructure, and human-AI collaboration for elite teams using Generative AI agents such as Claude Code.• Blueprinting cost-effective AI systems in collaboration with PhD Professor from NLP&IR research group @ UNED University• Evaluating AI architectures including RAG systems, agentic DevOps workflows, caching strategies, human-centric feedback loops, LLM vs SLM trade-offs, and AI observability• Publishing thought leadership on flow optimization, Lean SDLC (queuing theory, DOWNTIME framework), DORA metrics, and CALMS at dalimaray.io/insights• Ensuring EU data sovereignty compliance for AI systems using European LLM providers and data residency controls• Providing DevOps and Platform Engineering services to enterprise clientsTechnologies: Rust, Rig, SurrealDB, Mistral (EU LLMs for data sovereignty), Kubernetes, Scaleway, Grafana Cloud
- CitiLead DevOps Engineer / Platform LeadJuly 2022 - October 2025 (3 years and 3 months)London, England, United KingdomLed the platform stream (3 engineers) for Area51 Datafabric, reducing infrastructure management burden from development teams. Area51 serves critical Equities and Risk applications with extreme latency requirements.• Blueprinted and implemented global observability platform for Equities and Risk department, processing 16M+ active metric series with 1M+ ingestions/second globally• Led containerization migration of legacy Area51 Datafabric components to OpenShift private cloud using containerization techniques• Directed cross-datacenter migration coordination activities ensuring zero BAU disruption during critical infrastructure transitions• Implemented DevOps practices including IaC, cybersecurity and vulnerabilities management, semi-automated release process, and CI/CD adoption• Managed capacity planning including provisioning, planning, and optimization of infrastructure footprintTechnologies used: Jenkins, Helm, OpenShift, Confluence, Java, Bitbucket, Artifactory, Maven, Gradle, Docker, Splunk, Grafana, Mimir, Go, ELK, memcached among others
- HSBCTechnical Director/ Digital Transformation SME at HSBC (via Capco)BANKING AND INSURANCEJanuary 2020 - June 2022 (2 years and 5 months)London, UKDirected DevOps Digital Transformation for Global Private Banking (GPB), reporting to Digital CIO. Led "The Platform" team (15-30 engineers) applying The Three Ways and CALMS principles.The platform embodied automated delivery systems, amplified feedback loops, and continuous learning—removing cognitive load so value stream teams could focus on business outcomes.Key achievements:• Blueprinted GPB DevOps strategy sponsored by Digital CIO; Final Technical Authority for DevOps Platform ecosystem• Onboarded 8 products from waterfall to agile:→ 0% release failure rate→ 98.6% faster provisioning (5 months → 2 days)→ 99.4% cycle time reduction (1 week → 1 hour)→ 94% release time reduction (4 hours → 16 mins)• Led cloud migration using Kubernetes and Istio• Integrated SAST, DAST, and test automation for Bank complianceTechnologies: Istio, Jenkins, Terraform, Helm, AWS, EKS, DynamoDB, S3, AWS-KMS, AWS Secret Manager, AWS RDS, Cloudfront, Confluence, Java, Git, Nexus, Maven, Cucumber, Kubernetes, Docker, Splunk, Datadog, AppDynamics, Checkmarx, NexusIQ, Netsparker among others
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Education
- Theoretical Physics MScUniversidad Autónoma de Madrid1998
Certifications
- IBM RAG and Agentic AI: Build Next-Gen AI SystemsIBM2025
- Deep LearningDeepLearning.AI2025