Software Engineer 2 Java Kotlin

About the job Massive Scale : Design, build, and optimize systems that handle thousands of requests per minute. This is high-availability, high-performance engineering in practice. Modern Tech Stack : Work with a world-class, cloud-native environment. Our core technologies include Kotlin, Spring, Kafka, and Kubernetes. We're not shy when it comes to ML too :) True Ownership & Autonomy : We live by a "you build it, you run it" philosophy. You'll join an agile, autonomous team with full ownership of your microservices, from design to deployment. Complex Challenges : From distributed systems and data streaming to algorithmic optimization, you'll tackle the complex backend problems that power a massive, real-time marketplace. In our domain, we focus on solutions centered around the shopping cart , a critical component within Allegro's core customer journey. We approach quality with particular diligence to ensure the cart's stability and scalability. We work in cross-functional teams where various technologies collaborate closely to deliver the highest quality solutions to our users. Our teams consist of backend engineers, frontend specialists, native mobile developers with support of project managers, UX-designers and data scientists. Important things for you: Flexible working hours in an office first model (4/1) that depend on you and your team. Starting later or finishing earlier? No problem Work hours keep pace with our lifestyles and can start between 7 a.m. and 10 a.m. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 14 200 - 20 200 Annual bonus (depending on your annual assessment and the company's results) Our team is based in Poznań. We are looking for people who: Code in Kotlin or Java ; Expect work that has a deeper meaning (not only tasks "management has commissioned") and want to enjoy its results; Want to be proud of the code they create. They eagerly accept comments and share knowledge during code reviews; Can look for effective solutions to the requirements set by users; Want to constantly develop and update their knowledge; Know English at at least B2 level. What we offer: Well-located offices (with fully equipped kitchens and bicycle parking facilities) and excellent working tools (height-adjustable desks, interactive conference rooms) A wide selection of varied benefits in a cafeteria plan – you choose what you like (e.g. medical, sports or lunch packages, insurance, purchase vouchers) English classes that we pay for related to the specific nature of your job Macbook Pro / Air (depending on the role) or Dell with Windows (if you don't like Macs) and other gadgets that you may need Working in a team you can always count on — we have on board top-class specialists and experts in their areas of expertise A high degree of autonomy in terms of organizing your team's work; we encourage you to develop continuously and try out new things Hackathons, team tourism, training budget and an internal educational platform (including training courses on work organization, means of communications, motivation to work and various technologies and subject-matter issues) If you want to learn more, check it out Why is it worth working with us: We use the following programming languages/technologies: Java (at least 17), Kotlin (in some teams we also use Python), SpringBoot, Docker, Kafka, MongoDB, Couchbase The IT team is made up of over 1700 members who have shared their knowledge at multiple conferences, such as DevDays or Devoxx, and co-create a blog: allegro.tech Microservices – a few thousand microservices and 1.8m rps on our business data bus Big Data – several petabytes of data and Machine Learning used in production We practice Code Review, Continuous Integration, Scrum/Kanban, Domain Driven Design, Test Driven Development, Pair Programming, depending on the team Our internal ecosystem is based on self-service and widely used tools, such as Kubernetes, Docker, Consul, GitHub or GitHub Actions. This will allow you, from day one, to develop software using any language, architecture and scale, restricted only by your creativity and imagination. To match the scale, we also focus on building entire Platforms of tools and technologies that accelerate and facilitate day-to-day development, and we ensure the best Developer Experience to our teams Technological autonomy: you get to choose which technology solves the problem at hand (no need for management's consent). You are responsible for what you create Our deployment environment combines private Data Centers (tens of thousands of servers) and Public Clouds (Google Cloud and Microsoft Azure) Over 100 original open source projects and a few thousand stars on github We organize Allegro Tech Live event, a 100% remote version of our offline Allegro Tech Talks meetups, and we make guest appearances at the invitation of such communities as Warsaw AI, JUG (Poznań, Łódź, Lublin, Wrocław), WG .Net, Dare IT, Women in Tech Summit We focus on development as well. We organize hackathons and internal conferences (e.g. the annual Allegro Tech Meeting), our employees regularly participate in events both in Poland and abroad (Europe and USA), and each team has its own budget for training and study aids. If you want to keep growing and share your knowledge, we will always support you. This may also be of interest to you: Allegro Tech Podcast → https://podcast.allegro.tech/ Booklet → https://jobs.allegro.eu/pl/obszary-prac/tech-data/ Send in your CV and see why it is goodtobehere