Certifications I Actually Use
The Toolkit
Cloud & Infra
AWS (VPC, EC2, Lambda, Step Functions, S3, IAM, Bedrock), Terraform, Kubernetes (EKS), Docker, Linux, CI/CD.
Code & Backend
Python (FastAPI, Flask), Node.js, Next.js, React, C++, RESTful APIs, Test-Driven Development.
Data & Systems
Elasticsearch, OpenSearch, Hadoop, MongoDB, DynamoDB, Vector Storage, Data Pipelines.
Where I've Been Working
Cloud & Backend Solutions Architect
2025 - PresentIndependent Consulting
Designing cost-optimized cloud platforms, declarative infrastructure templates, and API layers for enterprise clients.
- Deployed reproducible, modular AWS infrastructure environments using Terraform with custom multi-AZ network topologies.
- Built a serverless cloud orchestration layer using AWS Step Functions, Lambda, and EBS to manage intensive EC2 Spot Instance workloads, driving down compute costs.
- Designed automated, multi-model pipelines (Claude & Nova) optimized for token efficiency, hooked into S3-backed vector storage.
- Built responsive internal tooling dashboards with Next.js / React to expose underlying cloud metrics to stakeholders.
Support Engineer
2021 - 2026Elasticsearch Ltd.
Diagnosed, debugged, and optimized massive distributed architectures for global enterprise customers.
- Resolved complex distributed system failures across multi-node Elasticsearch clusters.
- Leveraged deep Kubernetes expertise to debug containerized networking, storage, and security postures.
- Partnered directly with backend core dev teams to turn production failures into permanent product fixes.
Premium Support Engineer / Tech Lead
2017 - 2021Hortonworks / Cloudera
- Lloyds Bank Dedicated Lead (2019-2021): Acted as the sole on-site technical authority for their mission-critical big data platforms.
- Eliminated execution bottlenecks across massive horizontal-scaling platforms (Hadoop, Hive, YARN).
- Served as global SME for Apache NiFi/MiNiFi routing across complex network topologies.
Support Engineer - High Availability Storage
2011 - 2017Oracle
- Managed technical escalations globally as Cluster Technical Coordinator.
- Built a custom Python/Linux backend automation script to optimize shift resource allocation, removing manual tracking overhead.
Education
Computer Engineering Studies
Pontificia Universidad Católica de Valparaíso (PUCV)
Universidad Técnica Federico Santa María (UTFSM)
Languages
🇬🇧 English: Professional / Advanced
🇪🇸 Spanish: Native
🇧🇷 Portuguese: Conversational