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Serge WottorSW

Serge Wottor

Supermalter

AMOA Decision Support / Actuarial Science, Expert SAS Python R

€750/day
4 projects
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Serge

I have 17 years of experience as a consultant in risk management in banking and insurance. I have worked at AXA, Banque de France, ACPR, Crédit Agricole, BPCE Assurances, Groupama Gan Vie, AG2R La Mondiale, IRP Auto and have developed the following skills:
In AMOA / Collection, transmission, and transcription of business needs into IT problems, Design, automation, and optimization of data applications.
In Statistics and Modeling / Data Science, Dataviz, Statistical and econometric modeling and estimation, Datamining, Scoring, Segmentation, Hierarchical clustering, Factor analysis of data.
In Project Management / Design and management of data science projects. Supervision and coordination of a testing team.
In Life Insurance / Inventory, Premium calculation, Model Points, Annuities, Death benefits. PM recurrence, Data quality, Model-Point, Individual Providential, Individual and collective retirement, Individual savings, Social commitments, Pricing.
In P&C Insurance / PM calculation by average costs, chain-ladder, rate-setting method, Implementation of stability/aggregate/annuity clauses in reinsurance treaties, Auto portfolio quality, Liability.
In Financial Markets / Stochastic diffusions, Interest rate curve models, Financial instruments, Credit derivatives, Securitization, Credit and counterparty risk, Operational risk, Market risk, Liquidity risk, Risk measurement and management.
Technical Skills / SAS (expert), Python (Certified), R, PLSQL Developer, VBA, Studio, SPSS, Git, GraphTalk AIA, Tanagra, DataIku, Shazam
Pricing, fraud detection, recommendation, NLP, Deep Learning, Chain-Ladder, Lifereg, GLM, VaR, Boostrap. SAS (Base, Access, Connect, Stats, Graph, Insight, Assist, Macro, SQL, Enterprise Miner), Oracle, DB2.
Systems Windows, Linux, Unix, Mainframe
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Paris (up to 50km), Niort (up to 10km), Le Mans (up to 10km), Lille (up to 30km)

Experience

  • IRP AUTO
    AMOA Consultant, AIA Health and Provident Project Migration - Freelance
    BANKING AND INSURANCE
    March 2023 - September 2025 (2 years and 6 months)
    Paris, France
    Objective: Migration of the management system.
    Control of migration data for Disbursements, Taxes, Allocations, from the SICAP management system to the new ISIA Graph Talk AIA management system.

    Tax expertise (PASRAU, Deductible CSG, Non-deductible CSG, CASA, CRDS) on health provident benefits, Work Stoppage Guarantee, Temporary Incapacity, Disability, Death benefit, Spouse annuity, Education annuity, Child annuity etc.
    Writing functional specifications. Testing and validation of business rules. Agile work using JIRA. Environment: SQL, Graph Talk AIA, Oracle, JIRA
    SQL Graph Talk AIA Health Providential Business Analyst Jira
  • Groupama Gan Vie
    Data Quality Consultant
    BANKING AND INSURANCE
    January 2026 - Today (5 months)
    Nanterre, France
    Implementation of a data quality control process for steering commercial activities before and during the sale of individual insurance products.
    SAS Enterprise Guide SAS Programming Microsoft Power BI
  • EDC EUROPENNE DE CAUTIONNEMENT
    Regulatory Analyst and Regulatory Reporting
    BANKING AND INSURANCE
    December 2022 - March 2023 (3 months)
    Paris, France
    Objective: Credit risk scoring.
    ◼ Development using Python of descriptive and exploratory statistics for guarantees.
    ◼ Identification of the most relevant variables by Machine Learning LightGBM modeling of default
    claims via scikit-learn package.
    ◼ Comparative Gini of performances between the current EDC score model and the Machine Learning score model.
    ◼ Logistic regression modeling of credit risk on guarantees for Tabac Presse PMU FDJ after dimension reduction using statsmodels package.
    Python PL/SQL Data Science Scoring Credit Risk

Recommendations

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Steve Ungaro and 1 other person have recommended Serge

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Education

  • Data Science for Actuarial Science
    IRM Institute of Risk Management
    2022
    Data Science Pour l'Actuariat
  • Master's in Actuarial Science, Actuarial Science and Finance
    National Conservatory of Arts and Crafts
    2016
    Master Actuariat, Actuariat Finance

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