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Why learning with Classgap?

Satisfaction guaranteed

If you're not completely satisfied after your first class, we'll refund your purchase. more info

If you didn't do the lesson, it's cancelled or you are not completely satisfied within 24 hours passed your first lesson, we'll help you find a new tutor or refund your purchase.

Change the date at any moment

You will be able to reschedule the class if you can't attend

Pay once you've received the lesson

The class will be charged for once the class has finished more info

You will need to enter your payment details in advance. In the case of individual class bookings the amount will be charged for at the time of the class, but if you purchase a pack of classes, the payment must be made upfront.


He's from Spain



over 1 year of experience teaching online classes

  • Programming Languages
    Android Beginner, Intermediate, Advanced
    C Beginner, Intermediate, Advanced
    C# Beginner, Intermediate, Advanced
    C++ Beginner, Intermediate, Advanced
    HTML Beginner, Intermediate, Advanced
    Java Beginner, Intermediate, Advanced
    Javascript Beginner, Intermediate, Advanced
    NodeJS Beginner, Intermediate, Advanced
    Python Beginner, Intermediate, Advanced
    SQL Beginner, Intermediate, Advanced
  • Econometrics Beginner, Intermediate, Advanced
  • Maths
    Statistics Middle sc., High sc. / Sixth form, University
    LaTeX Middle sc., High sc. / Sixth form, University
    Discrete Math Middle sc., High sc. / Sixth form, University



EnglishWorking proficiency


Degree - B.A. Ingeniería Software
Master/Postgraduate Tecnologías Software
Master/Postgraduate Modelización E Investigación Matemática, Estadística Y Computación Studying
Master/Postgraduate Profesorado. Especialidad Matemáticas Studying

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I am a software engineer and I really like teaching. I have a Master's degree in software technologies. I am currently studying a Master's degree in Mathematics education and also in Mathematics, Statistics and Modelization. When teaching, I prefer to talk and meet before with my students, in order to maximize the customization of the following lessons.

Book an online lesson (The calendar displayed shows your local time)

Óscar accepts bookings with at least 30 minutes in advance.

hours Monday

About me (pictures, hobbies, extracurricular interests...)

deporte drones viajar leer


Jesús rico
27 reviews
Verdaderamente fue un placer muy atento y amable.
Alejandro Lachner
11 reviews
100% Recomendable
13 reviews
Muy contento. Aprendo a buen ritmo a pesar de lo liado y extenso del tema.
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Frequently Asked Questions

• Can I cancel a booking?

Yes, you can cancel booking up to 8 hours before the lesson starts, indicating the reason for the cancellation. We will study each case personally to carry out the refund.

• How do I pay for the lesson?

At the time you select a lesson or package of hours, you will make the payment through our virtual payment service. You have two options:
- Debit / Credit
- Paypal
Once the payment is settled, we'll send you an e-mail with the booking confirmation.

• Can I modify a booking?

Yes, something unexpected can always happen, so you can change the time or day of the lesson. You can do it from your personal area in "Scheduled lessons" through the option "Change date".

• How does a lesson at Classgap happen?

The class is done through classgap’s virtual classroom. Classgap was developed specifically for educational purposes, including many useful features such as: digital whiteboard, online text editor, webcam, screen sharing and many more.

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