You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Juan BarraganJB

Juan Barragan

Senior AI Engineer/Back End SWE

€500/day
Paris, FR
15+ years

Average response time: 1 hour

About Juan

Technical founder with 12+ years building and scaling products across insurance, fintech, and infrastructure. Execution experience from zero-to-production, and a bias toward AI-driven businesses. Comfortable operating end-to-end: product vision, build and delivery.
  • Spanish

    Native or bilingual

  • Italian

    Fluent

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Klaimy
    Cofounder & CTO
    BANKING AND INSURANCE
    October 2023 - July 2025 (1 year and 9 months)
    Paris, France
    • • Built an AI platform automating medical document processing for insurers.
    • • Designed and deployed production ML/LLM pipelines for structured data extraction and risk detection.
    • • Led technical strategy, cloud architecture, and ML roadmap.
    • • Selected for Microsoft GenAI Alumni (2nd cohort).
    LLM Google cloud Python RAG BERT
  • Silvr
    Senior Data Scientist
    BANKING AND INSURANCE
    March 2022 - April 2023 (1 year and 1 month)
    Paris, France
    • • Built revenue forecasting models using Time series (ARIMA) and In house methodologies.
    • • Build bank transaction classification systems ( 90-95% accuracy).
    • • Developed credit risk and portfolio monitoring tools for Revenue-Based Finance.
    • • Delivered data products used by underwriting and finance teams.
    Machine learning NLP Time Series Deep Learning Analyse financière
  • Leakmited
    Cofounder & CTO
    February 2019 - August 2021 (2 years and 6 months)
    Paris, France
    • • Tackling large-scale water leakage, lead
    • • Built and managed a team of 6 engineers across data, backend, and ML.
    • • Led ML initiatives combining satellite imagery and survival analysis.
    Machine learning Python CI/CD Management Amazon Web Services

Recommendations

Be the first to recommend Juan

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Lean Six Sigma Green Belt
    Ecole Centrale de Paris
    2015
    Lean Six Sigma Green Belt
  • Machine Learning Certificate
    Caltech–EDX
    2014
    Machine Learning Certificate

Skill set

Categories