You don’t need to have actual tickets! We have you (and anyone else you registered with) listed in our records. You’ll just need to show us a QR code, either as a hard copy printout or simply displayed on your mobile device. You can also show a form of photo ID, but QR codes help us speed up the registration process. If you made your purchase using an Academia discount, remember to bring along your academic ID.
To see who’s registered under your order or to download the QR code, please click on the link included in your registration confirmation email (the subject is “Your order: #####”, and the # symbols refer to your order code).
Don’t worry! Just visit pretix.eu/jetbrains/kotlinconf2025/resend/ and enter the email address you used to register.
If you have a voucher, enter it in the Redeem a voucher field before clicking the Buy button. Make sure you redeem your voucher before proceeding as we cannot refund orders that have been inadvertently placed without first attaching a voucher.
We can provide you with a letter of invitation for your visa application. If you need one, please send your full details along with the receipt of your KotlinConf ticket purchase to info@kotlinconf.com.
Tickets are non-refundable, except in the event that your visa is denied or the event is canceled. You can, however, transfer your ticket to another person by changing the attendee’s name.
You can modify details of the orders, such as attendee names or answers to questions. For that, please go to the Order page; the link is provided in your confirmation email (the subject is “Your order: #####” – the # symbols refer to your order code). On your Order page, you will see a Change details button. Clicking on it will take you back through the checkout process, where you can change the personal details of the attendee.
Please note that you can only change order details until May 20, 2025.
Please click on the Order Details link provided in your confirmation email (subject is “Your order: #####” – the # symbols refer to your order code).
Scroll to the very bottom of the page and you will see a Change order button. Clicking on it will take you back through the checkout process, where you can add a workshop to your order.
Students and teachers are eligible for a 50% discount on Regular Admission tickets. This discount cannot be applied to Super Early Bird and Early Bird tickets. To apply, please send a copy of your academic ID card or other identifying material to info@kotlinconf.com. You’ll need to be enrolled as a member of your academic institution in May 2025 to receive the discount. Please note that only official institutions qualify.
We offer a bank transfer option when the minimum order is groups of 5 or more people. If this is the case, please contact us at info@kotlinconf.com.
KotlinConf is an event that takes place in Denmark. As such, irrespective of whether you’re a business or an individual, you’ll be subject to the corresponding Danish VAT rate of 25%. For more information regarding VAT rules, please refer to the EU website.
Please check the Venue page for information about accommodation offerings.
If you do not yet know who from your company will be attending the conferences, you can buy tickets under the same name and later modify the attendee names and answers to questions.
For that, please go to the Order page; the link is provided in your confirmation email (the subject is “Your order: #####” – the # symbols refer to your order code). On your Order page, you will see a Change details button. Clicking on it will take you back through the checkout process, where you can change the personal details of the attendee.
Please note that you can only change order details until May 20, 2025.
If you would like to change the workshop in your order, please email us at info@kotlinconf.com.
We’ll be livestreaming the track of talks from the keynote room on the Kotlin YouTube channel. The livestream links will be added to the website before the event, and you’ll be able to watch for free.
You can change the invoice information on the Order Details page.
For that, please follow the link in your confirmation letter “The following link contains your order details: ####.” On your Order page, you will need the button named “Change details.” In the first block, ‘Invoice information,’ please choose the ‘Business or institutional customer’ option and fill out the data about your company.
Please email us at info@kotlinconf.com when you change the details, and we will reissue the invoice.
You can change the invoice information on the Order Details page.
For that, please follow the link in your confirmation letter “The following link contains your order details: ####.” On your Order page, you will need the button named “Change details.” In the first block, ‘Invoice information,’ you can add or change the address and VAT number.
Please email us at info@kotlinconf.com when you change the details, and we will reissue the invoice.
You can change the answers to the questions on the Order Details page.
For that, please go to the Order page; the link is provided in your confirmation email (the subject is “Your order: #####” – the # symbols refer to your order code). On your Order page, you will see a Change details button. Clicking on it will take you back through the checkout process, where you can change the personal details of the attendee.
Please note that if you change your dietary requirements or T-shirt size less than two months before the event, we may not be able to accommodate your request due to production deadlines.
In case of any questions please contact us at info@kotlinconf.com.
In case you are chosen as speakers, we will provide you with a full refund.
You can submit up to 3 talks.
We provide speakers of the regular talks (duration of 45 minutes) with travel and accommodation. If you have co-speakers, travel and accommodation will only be covered for one of you. Travel and accommodation expenses are covered ONLY for full-length sessions, not lightning talks.
You can only have one co-speaker.
Unfortunately, not. After the talk got accepted you cannot invite co-speakers.
Yes, but you will have to buy a workshop ticket just like any other participant. The conference pass provided to speakers only grants entry on conference days (May 22-23)
We confirm speakers by February 10th, 2025.
We don’t have a KotlinConf’25 presentation template. Feel free to use your own. The only two slides we would appreciate you adding to your slide deck are the first (title) slide and the voting slide as the penultimate or final slide to remind the audience to evaluate your session.
If you have any questions, please contact us at speakers@kotlinconf.com
Registration, Swag station, Speaker support, and Navigation.
You’ll be required to work a total of 12 hours spread across the three days of the conference.
You’ll be able to choose several volunteer roles, but this is subject to availability.
Yes, we’ll have an online training session in April or early May and an on-site training session on May 20 or 21, 2025 so you feel comfortable in your roles and duties.
Yes – volunteers must be at least 18 years old.
Volunteers are responsible for their own travel expenses, but they will receive a free KotlinConf ticket for the conference days (May 22–23).
Yes, we provide all necessary training and support to ensure you’re comfortable with your role.
Please contact volunteer@kotlinconf.com with any questions you might have.