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/kotlinconf2027/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 April 19, 2027.
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 special academic rate of PLN 1,599 (incl. VAT) for Regular Admission tickets upon proof of a valid ID of the official institution. To apply, send a copy of your academic ID card or other identifying material to info@kotlinconf.com. You will need to be enrolled as a member of your academic institution in April 2027 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 Poland. As such, irrespective of whether you’re a business or an individual, you’ll be subject to the corresponding Polish VAT rate of 23%. For more information regarding VAT rules, please refer to the EU website.
The ICE Krakow is located in the center of the city, and there are plenty of options for every budget and requirement. The venue itself doesn’t have any special hotel discounts for KotlinConf attendees.
If you do not yet know who from your company will be attending the conferences, you can buy multiple tickets under one name and modify the attendees names and answers to questions at a later date.
To do so, please go to the Order page by visiting the link provided in your confirmation email (the subject is “Your order: #####”, where the “#” symbols represent your unique 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 the deadline for making any changes to your order details is April 19, 2027.
If you would like to change your ticket to a different workshop, please email us at info@kotlinconf.com.
We’ll stream the talks from the Keynote Room on our YouTube channel. The link will appear on the Schedule page on the day of the event. Watching the live stream is free of charge.
All other sessions will be recorded and uploaded to our YouTube channel within two months after the conference.
You can change your invoice information on the Order Details page.
To do so, please follow the corresponding link in your confirmation email. On the Order page, find and click the Change details button. In the first section entitled Invoice information, please choose the Business or institutional customer option and fill in your company information.
Please email us at info@kotlinconf.com when you’ve changed the details, and we will reissue the invoice.
You can change your invoice information on the Order Details page.
To do so, please follow the corresponding link in your confirmation email. On the Order page, find and click the Change details button. In the first section entitled Invoice information, you can add or change your 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.
To do so, please go to the Order page by following the link provided in your confirmation email (the subject is “Your order: #####”, where the “#” symbols represent your unique order code). On the 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 later 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.
Yes. Small Team (5–9) saves 5 percent, Large Team (10+) saves 7 percent, applied automatically at checkout.
Yes. If you are chosen as a speaker, you’ll be fully refunded.
You can submit up to three talk proposals.
We provide speakers of the regular talks (duration of 45 minutes) with travel and accommodation. If you have a co-speaker, 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. Once a talk has been accepted, you cannot add a co-speaker.
We provide speakers with a conference pass, which only provides access on conference days. Workshop speakers can participate in the conference as well.
As a speaker, you’re entitled to a 20% discount on one additional conference ticket. This discount doesn’t apply to workshop tickets.
We’ll confirm all accepted talks by February 3, 2027.
We don’t have a KotlinConf 2027 presentation template. Feel free to use your own. The only two slides we ask you to add to your slide deck are an initial title slide and a penultimate or final voting 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 March or early April and an on-site training session on April 21, 2027, 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 (April 22–23).
Yes, we provide all necessary training and support to ensure you’re comfortable with your role.
If you have any questions, please contact us at volunteer@kotlinconf.com.