Software Engineer (Platform)

Etraveli Group is a leading global flight technology provider, specializing in flight sales and offering flight content delivery and fintech products. We are here to solve complexity, by connecting millions of flights and travelers across the globe, from search and selection to trip and beyond. We partner with major global platforms such as Booking.com , Google Flights, Skyscanner, and Kayak, providing seamless flight booking and related services. Our B2B portfolio includes a separate fintech entity with its flagship product, PRECISION , a risk management solution, Sweden’s leading flight comparison site Flygresor.se , Tripstack , our B2B Flights as a Service Provider and world leader in virtual interlining, and Wenrix , the embedded AI platform for flights. We also operate our own online travel agency brands including Gotogate, Mytrip, and Flightnetwork. Every day we strive to make the world smaller for our customers and bigger for our people. Our diverse team of more than 3200 passionate professionals is what makes us the industry’s tech wonder and the best in the world at what we do. Major offices in Sweden (HQ), Greece, India, Canada, Israel, Poland, UK, and Uruguay. The Role We are looking for an experienced Back-end developer to join our Platform Java team. The successful candidate must be knowledgeable in the field of software development and eager to contribute & work in a fast-paced, ever-changing environment with strong focus on the non-functional aspects of our codebase. The position will be located at our Athens office. Responsibilities You will be part of an international team, who designs and integrates frameworks that are used in our core booking engine You will be working with build tools like Gradle, contributing on Jenkins pipelines, implementing components that integrate open source frameworks with our proprietary system Your code should be designed with performance and quality in mind; you will test your code and write automated tests You document and communicate your work with your team in order to deliver daily releases You will work closely with software developers and QA engineers from product development driven teams You will be reviewing code, and your code will be reviewed As part of the team, you will participate in the collaborative team activities Our Stack Java 21/25, Gradle, MySQL 8, Couchbase, JUnit5/TestNG, Mockito, Kafka, Hibernate, Opensearch, Grafana/Prometheus, Jenkins, Git & Bitbucket, IntelliJ, GraphQL etc. Requirements You are a back-end developer with 5+ years are on the Java stack You have experience with at least one large-scale, high-volume production environment You write code which is both readable and performant, and, you feel right at home with OOP, multi-tier architecture You are a proponent of commonly used Design Patterns and SOLID Principles, and, deliver code that is well-tested and well-documented You have a positive mindset, and you are motivated by challenging projects; new and existing. Rest assured we have a lot going on around here! You know about Web Services development and integration with at least one of SOAP and REST, GraphQL You have great communication skills in English The below will be considered an asset: You have knowledge of both Spring, Quarkus and JavaEE/JakartaEE stacks You have knowledge Gradle You have knowledge of Jenkins and Docker Benefits We are looking for people who would make the world smaller for travelers but want a bigger world of opportunities for themselves. With us you can enjoy: Hybrid working environment - having the opportunity to work both remotely and at the office enabling you flexibility! #LI-Hybrid Health Benefits - Through partners we offer a private health insurance plan. We also offer the possibility to use 2 extra medical leave days in case of need. Monthly ticket restaurant card - to spend in one of the thousands of affiliated restaurants, cafes, stores or supermarkets across Greece. Office in the City – We sit on bright, large floors (over 4000㎡!) in central Athens. Just a short walk from the Ambelokipi Metro station. Growth – We believe in personal development and continuous education, thus we offer the opportu