David Navarro
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Five years building platforms that don’t go down.

From a DevOps internship in Madrid to senior platform engineering at Agero. The path, and what I shipped along the way.

Experience.

  1. Senior DevOps / Platform Engineer

    Oct 2024 to now

    Agero/Medford, MA (Remote)
    • Designed and optimized CI/CD pipelines with CircleCI, cutting deploy times by 40% and improving release frequency for ECS-based applications.
    • Automated infrastructure tasks with Bash and Python, removing 30+ hours of manual ops work per month.
    • Hardened Docker images and managed dependencies, reducing critical vulnerabilities by 85%.
    • Implemented Datadog monitoring and alerting, cutting MTTD by 50%.
    • Standardized deployments across teams via custom CircleCI Orbs, lifting system uptime by 25%.
    • Built on-demand ephemeral environments, improving developer workflow speed by 20%.
    • Shift-left QA + testing automation kept platform availability at 99.997%.
    • Designed and ran annual disaster-recovery exercises to reduce RTO during outages.
    • Resolved 100+ security vulnerabilities flagged by Wiz across third-parties and application code.
    • Ran distributed microservices on EKS and ECS across multiple AWS accounts and environments.
    • On-call rotation for the platform.

  2. DevOps / SRE Engineer

    Oct 2022 to Oct 2024

    Blue Apron/New York, NY (Remote)
    • Administered and upgraded cross-environment Kubernetes clusters on AWS EKS for distributed microservices, lifting deploy efficiency by 30% via shared Helm charts.
    • Managed cross-account AWS infrastructure with Terraform. Stability up, costs down 20%.
    • Designed Jenkins CI/CD pipelines that made app deploys 40% faster.
    • Supported developers by triaging Jenkins failures and provisioning new infra, dropping blocked downtime by 15%.
    • Monitored apps via Datadog, Rollbar, and Snyk, cutting security risk surface by 25%.
    • On-call rotation maintaining 99.9% uptime.

  3. DevOps Consultant Intern

    Sept 2021 to Aug 2022

    Alamo Consulting/Madrid, Spain (Hybrid)
    • Set up Jenkins pipelines for multiple client projects, lifting deploy efficiency by 25%.
    • Optimized client AWS infrastructure for a 15% cost reduction.
    • Decoupled monolithic apps into Docker-based microservices for scalability.
    • Managed Git/GitHub repos to improve cross-team collaboration.

  4. Python Backend Developer

    Feb 2022 to Jul 2022

    Madrid Polytechnic University/Madrid, Spain
    • Developed a Python wrapper around a RESTful API for a health-research application.
    • Worked alongside professors and PhD students on the app.
    • Project lives at https://medal.ctb.upm.es

Certifications.

  • AWS Certified Solutions Architect (Associate)

    June 2023

    Amazon Web Services / Valid 3 years

    Verify on Credly

  • Certified Kubernetes Administrator (CKA)

    February 2024

    The Linux Foundation / Valid 3 years

    Verify on Credly

  • HashiCorp Certified: Terraform Associate (003)

    September 2025

    HashiCorp / Valid 2 years

    Verify on Credly

Education.

Need a hand with platform work?

Tell me the problem and the timeline. I will tell you honestly whether I am the right person for it.

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