50% off your first lesson just today!

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 assist.

Pay once you've received the lesson

We will make the payment of the lesson when finished more info

You will need to enter your payment details. In the case of individual class bookings the amount will be charged at the time of the class, but in the case of packs the payment is made in advance.

Antonio J.

He's from Colombia



over 1 year of experience teaching online classes

  • Spanish Elementary/A1-2, Intermediate/B1-2, Advanced/C1, Proficiency/C2
  • English Elementary/A1-2, Intermediate/B1-2
  • Computer Programming
    C Beginner, Intermediate
    C++ Beginner, Intermediate
  • Electronics Beginner, Intermediate, Advanced
  • Physics
    Electromagnetism Middle sc., High sc. / Sixth form, University
    Basic Physics Middle sc., High sc. / Sixth form, University
    Physics (Mechanics) Middle sc., High sc. / Sixth form, University
    Electrical circuits Middle sc., High sc. / Sixth form, University



EnglishWorking proficiency


Degree Técnico con énfasis en inglés
Degree - B.A. Ingeniería Electrónica Studying


Hi, nice to meet you, my name is Antonio! I am an Electronic Engineery student. With 19 years old I've become an enthusiast of electronics, technology and human potential development regardless of gender, race, skin color or faith. I have experience teaching subjects such as mathematics and physics in scholar and university level, as well as calculus, circuit analysis, etc. I am Also a technician with English emphasis so I speak quite fluently, that's why I am able to dictate it.

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

Antonio J. accepts booking with at least 24 hours in advance.

hours Monday


6 reviews
es buen profesor te explica muy bien todo
The description has also been written in other languages, click here to read them all

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.