Cristóbal

Hi, I'm Cristóbal Carnero Liñán 👋🏻

Cristóbal Carnero Liñán

I'm a Software Engineer with more than 15 years of professional experience in designing, building, and deploying robust server-side solutions across diverse cloud environments.

My career spans multiple industries, including management consulting, healthcare, energy and utilities, video games, and academic research.

I specialize in Backend Development, DevOps, and MLOps, with a strong focus on using AWS for scalable cloud solutions. I also possess extensive experience in managing containerized applications with Kubernetes and automating machine learning workflows with Kubeflow.

Additionally, I have a solid background in AI development with LLMs, with practical experience using the OpenAI API and have contributed to the LangChain project.

Expertise
  • Python / FastAPI / Django / Django REST Framework / Flask / Tornado / Celery
  • GitHub Actions / GitLab CICD / Jenkins
  • Amazon Web Services (AWS) / Terraform / Ansible / CDK
  • Postgres / Redis
  • Docker / Kubernetes / Helm / Kubeflow
  • OpenAI's API / LangChain / Instructor
  • Next.js / Vue / Astro
Latest posts
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Work Experience
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  • Feb2025 - May2026
    Welltech
    Senior Software Engineer, Infrastructure (DevOps, DevEx)
    • Worked within the Infrastructure and DevOps team, in the DevEx subgroup, focused on AWS deployment tooling and platform reliability.
    • Owned and evolved an internal CLI tool for deploying backend services and AWS infrastructure through CI/CD pipelines, covering API Gateway, Lambda, SQS, and SNS.
    • Led the design and planning of a new backend deployment system, including a proof of concept to validate architectural decisions and platform trade-offs.
    • Implemented blue-green deployment capabilities in the internal deployment platform, enabling safer releases and reducing production risk.
    • Introduced the first automated test suite for the deployment platform, including unit and integration coverage, improving reliability and enabling faster iteration.
    • Prepared the repository and workflows to support development with AI agents and AI-assisted engineering practices.
    • Acted as DRI and participated in on-call rotations, handling production incidents and improving system stability.
  • Jun2024 - Dec2024
    Iberia
    Cloud Engineer (Contractor)
    • Contributed to the migration of legacy on-premises systems to AWS, supporting cloud architecture decisions, infrastructure provisioning, and deployment processes.
    • Implemented and maintained infrastructure as code with Terraform for AWS-based microservices applications.
    • Collaborated on deployment workflows, environment setup, and GitHub-based CI/CD pipelines for cloud services.
Recent projects
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