Rolf De Jong

Rolf De Jong Email and Phone Number

Machine Learning Scientist @ Adyen
Amsterdam, NH, NL
Rolf De Jong's Location
The Randstad, Netherlands, Netherlands
Rolf De Jong's Contact Details

Rolf De Jong personal email

n/a

Rolf De Jong phone numbers

About Rolf De Jong

Experienced model developer with a demonstrated history of working in the financial services industry. Skilled in end-to-end MLOps.

Rolf De Jong's Current Company Details
Adyen

Adyen

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Machine Learning Scientist
Amsterdam, NH, NL
Website:
adyen.com
Employees:
5080
Rolf De Jong Work Experience Details
  • Adyen
    Machine Learning Scientist
    Adyen
    Amsterdam, Nh, Nl
    View
  • Adyen
    Data Scientist
    Adyen Mar 2022 - Present
    Amsterdam, North Holland, Netherlands
    Working on:- Feature engineering for a worldwide, high volume (1,000 transactions per second) payment fraud detection model with Spark, Cassandra and LightGBM- Chargeback and refund prediction in the event of merchant default- Automatic model documentation based on Sphinx
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  • Leaseplan
    Senior Model Developer
    Leaseplan Mar 2019 - Feb 2022
    Amsterdam, North Holland, Netherlands
    - Fulfilled a key role in the management and development of the Asset Risk Economic Capital Model. Asset Risk represents the largest single financial risk for a leasing company which makes this model particularly impactful.- Covering the entire data science flow.- Also developed Credit Risk models and acceptance scorecards.- A key part of the role is stakeholder management, including managing expectations, clarifying requirements and explaining methodologies and results.- Worked with Python, R, Power BI, Jupyter, Snowflake, SQL Server, AWS, Git, CI/CD, Gitlab and AWS SageMaker.
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  • Ey
    Senior Advisor Financial Services Risk
    Ey Jul 2016 - Feb 2019
    Amsterdam, North Holland, Netherlands
    Worked on:- IFRS9 impairment modelling- ICAAP/ILAAP stress testing- Interest rate derivative modelling as part of a remediation programme- Blockchain development and knowledge sharing- Investment risk analysis- Derivative valuation- Model validation automation
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  • Sns Bank N.V.
    Graduate Intern
    Sns Bank N.V. Sep 2015 - Apr 2016
    Utrecht Area, Netherlands
    - Developed, implemented and promoted a model that estimates the financial impact of data quality issues.- Developed a regression model for detecting fraudulent transactions.
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  • Bedrijvendagen Twente, Iapc, S.G. Daedalus
    Audit Committee Member
    Bedrijvendagen Twente, Iapc, S.G. Daedalus Mar 2013 - Aug 2015
    Enschede
    - Audited and approved budgets, bookkeeping records and annual reports.- Provided financial and tax advise.
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  • Bedrijvendagen Universiteit Twente
    Treasurer
    Bedrijvendagen Universiteit Twente Sep 2012 - Aug 2013
    Enschede
    A career event with 130 companies, 2000 participants and € 250.000 of revenue. I was responsible for all financial affairs at this foundation, and I contributed to acquisition, promotion and setting up several sub-events such as a lunch lecture by André Kuipers for ±650 students.
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  • University Of Twente
    Student Assistant
    University Of Twente May 2015 - Jul 2015
    Enschede
    - Got the lead in the creation of a ±80-page manual that teaches students the basics of performing simulation analyses in Siemens Plant Simulation 11.- Provided assistance to students and graded assignments during a course on discrete event simulation.- The attendants are ±150 bachelor-level Industrial Engineering & Management and Civil Engineering students.
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  • Sns Bank N.V.
    Risk Analyst
    Sns Bank N.V. Jul 2014 - Jul 2015
    Utrecht Area, Netherlands
    - Performed various credit risk analyses to enhance the bank's management of the mortgage portfolio.- Developed a Matlab tool that shortens the time required to develop and run an analysis, now being used by many colleagues at the department.
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Rolf De Jong Skills

English Microsoft Office Research Microsoft Excel Spss Teamwork Html Css Project Management Social Media Matlab Javascript Risk Management Mysql Data Analysis R Blockchain

Rolf De Jong Education Details

Frequently Asked Questions about Rolf De Jong

What company does Rolf De Jong work for?

Rolf De Jong works for Adyen

What is Rolf De Jong's role at the current company?

Rolf De Jong's current role is Machine Learning Scientist.

What is Rolf De Jong's email address?

Rolf De Jong's email address is ro****@****live.nl

What is Rolf De Jong's direct phone number?

Rolf De Jong's direct phone number is +316168*****

What schools did Rolf De Jong attend?

Rolf De Jong attended Cfa Institute, University Of Twente, University Of Twente, University Of Twente, Driemark.

What skills is Rolf De Jong known for?

Rolf De Jong has skills like English, Microsoft Office, Research, Microsoft Excel, Spss, Teamwork, Html, Css, Project Management, Social Media, Matlab, Javascript.

Who are Rolf De Jong's colleagues?

Rolf De Jong's colleagues are Rhys Coles, Sushan Rai, Daisy Kishler, Alex Zhang, João Pinto Moura, Georgia Pegden, Bart Van Brakel.

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