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Juan Emilio BarreiraJE

Juan Emilio Barreira

AI Process Automation Engineer

€350/day
Madrid, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Juan Emilio

I help companies and professionals automate repetitive processes and tasks using AI and workflow automation, reducing operational time and manual errors.

My added value is combining a technical profile with a practical approach: I analyze the current process, identify automatable points, and deliver a simple, stable, and documented solution, without adding unnecessary complexity.

I typically work on projects such as:
– automation of emails and initial customer support
– extraction and structuring of data from PDFs and documents
– automation of reports and administrative tasks
– integrations between tools (CRM, Excel, Google Sheets, APIs)

I usually deliver closed projects, with defined scope, clear timelines, and optional maintenance.

Common technologies: Python, workflow automation (n8n), API integrations, generative AI (OpenAI)
  • Spanish

    Native or bilingual

  • English

    Fluent

  • Italian

    Fluent

Remote only
Primarily works remotely

Experience

  • Datadog
    Senior Software Engineer
    June 2025 - Today (1 year and 2 months)
    Madrid, Spain
    I work at Datadog as a software engineer, focusing on Service Management and incident response capabilities. My work involves building and improving systems for alerting, event correlation, and integrations, with a strong emphasis on reliability, performance, and scalability.

    I regularly analyze production issues, investigate performance bottlenecks, and collaborate closely with other engineers to improve observability workflows and reduce alert fatigue. I also contribute through code reviews, system design discussions, and continuous improvements to backend services running in distributed environments.
    Java Terraform GO CI/CD Management Apache Kafka
  • Medallia
    Staff Software Engineer
    June 2022 - June 2025 (3 years)
    Madrid, Spain
    Leading the Survey Engine team, a Java-based web component handling feedback collection from survey takers. Managing high-volume request processing, focusing on enhancing system scalability and performance.
  • SparkFabrik
    Tech Lead
    July 2019 - May 2022 (2 years and 10 months)
    Milan, Metropolitan City of Milan, Italy
    I spearheaded pivotal projects for prominent Italian clients as a Tech Lead at Sparkfabrik. Overseeing multiple technical teams, I collaborated closely in designing and implementing scalable, cost-effective architectures utilizing AWS services. I implemented solutions that not only met client requirements but also significantly optimized operational costs. My focus was on delivering effective solutions that enhanced client efficiency and bolstered their competitiveness within the Italian market.

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Education

  • Computer Engineer
    Instituto Tecnológico de Buenos Aires
    2009
    Ingeniero, Informatica
  • Computer Engineer
    ITBA Universidad
    2009
    Ingeniero, Informatica

Skill set

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