Responsibilities
- Design, build, and optimize high-availability backend systems handling thousands of requests per second.
- Own microservices from design through deployment in a cloud-native GCP environment.
- Develop with Java and Kotlin, focusing on reactive programming and scalable architecture.
- Maintain system stability through performance optimization, monitoring, and structured on-call participation.
- Collaborate with Product Managers to analyze requirements and support business initiatives.
- Work with other technical teams to deliver shared goals.
- Participate in developing tools based on Large Language Models.
- Mentor colleagues with less experience and share technical knowledge.
Requirements
- At least five years of commercial experience building and maintaining complex, highly scalable systems.
- Proficiency in Java and Kotlin, with Java as the primary language and experience in reactive programming.
- Advanced hands-on knowledge of MongoDB is desirable.
- Experience collaborating with Product Managers and analyzing business requirements.
- A track record of frequent collaboration with other technical teams.
- Willingness to participate in a structured on-call rotation.
Benefits
- Hybrid 4/1 work model with flexible start times between 7:00 a.m. and 10:00 a.m., plus 30 days of occasional remote work.
- Annual performance and company-results bonus.
- Long-term discretionary incentive plan based on Allegro.eu restricted stock units.
- Office amenities including equipped kitchens, bicycle parking, terraces, raised desks, ergonomic chairs, and interactive conference rooms.
- Choice of a 16-inch or 14-inch MacBook Pro or corresponding Dell Windows laptop with accessories.
- Cafeteria benefits including medical, sports, lunch, insurance, and purchase voucher packages.
- Employer-paid English classes related to the job.
- Training budget, inter-team tourism, hackathons, and an internal learning platform.
- Additional volunteering day off and social events.
- Team location is Toruń.
Tech Stack
Categories
About Allegro
Allegro is the most popular shopping platform in Poland and the largest e-commerce platform of European origin. We operate a marketplace model which means that customers can buy whatever they need from over 135,000 merchants, who can list an unlimited number of offers on our platform. We offer products in all key categories including Automotive, Fashion, Home&Garden, Electronics, Books and Collectibles, Kids or Health and Beauty. Each month, 22 million customers visit our platform, which is equivalent to almost 80% of all Internet users in Poland. They can choose from over 250m offers at the most attractive prices with maximum convenience including fast and free deliveries under the Allegro Smart! programme, modern financial services (Allegro Pay), as well as Poland’s widest 50k pickup points network. In 2019 we celebrated the 20th anniversary of Allegro in Poland. For over two decades, we have been serving consumers and promoting the idea of entrepreneurship in one of the most innovative areas of the economy. We have come a long way from an auction site for private individuals looking for a modern alternative to their local flea market. Today, we are a vibrant international marketplace platform for professional sellers and a must-have sales channel for top international brands and retailers. We currently employ more than 7000 employees and each of us ranks among the best experts in their field. Whether it’s in Technology, Customer Experience, Commerce, Delivery Experience or many other teams, we’re all proud to say that Allegro employs the best people on the market and all of us are ready to admit that it’s #goodtobehere. ESG Report 2022: https://allegro.pl/zobacz/esg Career at Allegro: https://jobs.allegro.eu/ Allegro Tech: https://allegro.tech/ Brand Journal: magazyn.allegro.pl Support & help: pomoc.allegro.pl // facebook.com/allegro