About the position Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. \nFor our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster.\nAndroid/Kotlin Engineer\nAdyen is looking for full-time Kotlin Engineers to help us develop our in-person payments solution. We have a large and varied fleet of payment terminals in the field, which we are continuously improving by adding new features and payment methods. Kotlin development plays a vital role in this effort, as your code will be deployed across our various solutions using Kotlin Multiplatform.\nWhat you’ll do:\nAs a Kotlin Engineer you will work on solutions for our payment terminals featuring many capabilities, such as:\nAccepting payments using credit cards and debit cards, Apple Pay or Google Pay on mobile phones or accepting payments through QR codes;\nCommunication with the Adyen backend to achieve one platform solution; \nIntegration with a variety of cash registers using state of the art standards.\nYou will be working on developing our main business logic in Kotlin, which will be deployed on both Android and Linux based payment terminals, and on our backend.\nYour code is tested using a variety of testing methods. These methods range from unit testing to complete product testing via automated programmable robots in order to offer a stable and feature rich solution to all of our merchants.\nWe value your opinion and ideas. You are encouraged to propose improvements, new solutions for your team and the platform. You will also have the freedom and opportunity to work on projects that will bring innovation and keep Adyen ahead of their competition. Since with freedom comes responsibility, you are expected to take ownership of the feature you work on, and be involved from design, implementation, testing and monitoring of the new functionality as well as to ensure a sustainable and secure solution.\nAt Adyen we have a development team working with various technologies. When you love to solve hard technical problems effectively, take ownership and want to work as part of an efficient team of professionals please reach out! We are constantly looking for the right balance between elegant solutions and time-to-market. In other words, you have the opportunity to work in a comfortable but dynamic and challenging environment. Responsibilities Accepting payments using credit cards and debit cards, Apple Pay or Google Pay on mobile phones or accepting payments through QR codesCommunication with the Adyen backend to achieve one platform solutionIntegration with a variety of cash registers using state of the art standardsDeveloping our main business logic in Kotlin, which will be deployed on both Android and Linux based payment terminals, and on our backendPropose improvements, new solutions for your team and the platformTake ownership of the feature you work on, and be involved from design, implementation, testing and monitoring of the new functionality as well as to ensure a sustainable and secure solution.Requirements 5+ years of cumulative development experience in Android/Kotlin5+ years of experience in software design and development in KotlinKnowledge on databases (Postgresql, SQLite;)Able to communicate fluently in English.Nice-to-haves Experience with Kotlin Multiplatform for cross-platform developmentAdditional programming knowledge/experience - Android, Java, C/C++, PythonCard payment (EMV, ISO8583, ISO20022) knowledge.