Senior Front-End Software Engineer - Merchant Experience

<h3>Job Description</h3><p>The salary range for this position is PLN <strong>12 300 - 17 600 (contract of employment)</strong></p><p><strong>A hybrid work model requires 1-2 day/days a week in the office.</strong></p><p>In Advertising - Sponsored Offers area we deliver solutions for our Merchants, which allow them to improve their offers sale. At the same time we care about Allegro Customers, by selecting for the advertised offers, based on their quality, context and user interests. From configuring  new advertising Campaigns, through their emission, budgeting, editing up to displaying on the Allegro listings and carousels we deliver solutions supporting such processes. Every day, we deal with challenges related to heavy traffic, large data volumes and solution scaling, so as to meet the needs of Customers and the business.</p><p><strong>We are looking for people who:</strong></p><ul><li>Expect work that has a deeper meaning (not only "management has commissioned") and want to enjoy its results</li><li>Want to be proud of the code they create. They eagerly accept comments and share their knowledge during Code Review</li><li>Can look for effective solutions to the requirements set by users</li><li>Use data to support their decisions</li><li>Are constantly developing and updating their knowledge</li><li>Are fluent in the world of the web frontend</li><li>Have experience in working with React framework as well as TypeScript and JavaScript languages</li><li>Are looking for new frontend solutions that make the code high quality and well testable</li><li>Understand performance issues and techniques, their use and implications for the end user</li></ul><p><strong>What we offer:</strong></p><ul><li><strong>A hybrid work model </strong>that you will agree on with your leader and the team. We have well-located offices (with fully equipped kitchens and bicycle parking facilities) and excellent working tools (height-adjustable desks, interactive conference rooms)</li><li><strong>Annual bonus</strong> up to 10% of the annual salary gross (depending on your annual assessment and the company's results)</li><li>A wide selection of fringe benefits in a cafeteria plan – you choose what you like (e.g. medical, sports or lunch packages, insurance, purchase vouchers)</li><li><strong>English classes</strong> that we pay for related to the specific nature of your job</li><li>Laptop with m1 processor, 32GB RAM, SSD - a 16” or 14” MacBook Pro or corresponding Dell with Windows (if you don’t like Macs), two monitors and all other gadgets that you should need</li><li>Working in a team you can always count on — we have on board top-class specialists and experts in their areas of expertise</li><li>A high degree of autonomy in terms of organizing your team’s work; we encourage you to develop continuously and try out new things</li><li><strong>Hackathons, team tourism, training budget and an internal educational platform, MindUp</strong> (including training courses on work organization, means of communications, motivation to work and various technologies and subject-matter issues)</li><li>If you want to learn more,<a href="https://jobs.allegro.eu/benefits/"><u> <strong>check it out</strong></u></a></li></ul><p><strong>Why is it worth working with us?</strong></p><ul><li>We create a front-end based on our own style-guide - we care about the consistency and quality of our websites</li><li>We are not afraid of new technologies - we are happy to use pure JS, but we also have React, Angular, Vue, and we serve everything using Node.js. We also have a private register of npm</li><li>We care about the performance of our solutions both on the browser and server side</li><li>We create large-scale micro frontends (400+ components), microservices - for real (900+) and scale for real (60k + rps on business data bus)</li><li>We use, depending on the teams and needs, the latest versions of Java (from 8 upwards), Scala, Kotlin, Groovy, Go, Python, Spring, Reactive Programming, Spark, Hadoop, Mesos, TensorFlow</li><li>In our company, Big Data is a few petabytes of data, and Machine Learning is used productively</li><li>We use Code Review, Continuous Integration, Scrum / Kanban, Domain Driven Design, Test Driven Development, Pair Programming depending on the team</li><li>We have an internal ecosystem based on self-services and widely used tools such as Marathon, Docker, Consul, Bitbucket or Bamboo. Thanks to this, in the first days of work you will be able to create software in the language, architecture and scale that will be limited only by your idea and imagination</li><li>We actively participate in the life of the largest groups of users related to technologies in which we work (Java, Python, Devops) in Poland, organizing trainings / workshops and presentations in Poznań, Warsaw, Toruń and Kraków</li><li>Technological autonomy: you choose the technology that fits the problem (no consent from all saints). Then you are responsible for it</li><li>We have