Responsibilities
- Design, build, optimize, deploy, and operate high-performance microservices handling thousands of requests per minute.
- Develop backend systems for distributed processing, data streaming, algorithmic optimization, and real-time marketplace functionality.
- Build infrastructure for serving ML models and integrate BigQuery, Apache Spark, vector search databases, and microservices into recommendation systems.
- Own services end to end under a “you build it, you run it” model.
- Participate in code reviews, engineering best-practice discussions, and autonomous product development.
Requirements
- Programming experience in Kotlin, Java, or Python, with willingness to master Kotlin.
- Eagerness to learn ML engineering, including serving ML models with Python and performing large-scale offline data processing with BigQuery or Apache Spark.
- Interest in building new products and developing a broader full-stack mindset across backend, frontend, and mobile technologies.
- Commitment to high-quality code, effective problem-solving, continuous learning, and substantive engineering discussions.
- English proficiency at least at B2 level.
Benefits
- Hybrid 4/1 work model with flexible hours starting between 7:00 a.m. and 10:00 a.m., plus 30 days of occasional remote work.
- PLN 11,200–15,250 salary range under a contract of employment, an annual performance and company-results bonus, and a discretionary Allegro.eu share incentive plan.
- Warsaw office with kitchens, bicycle parking, terraces, ergonomic equipment, and other workplace amenities.
- Choice of a 16-inch or 14-inch MacBook Pro or an equivalent Dell Windows computer with accessories.
- Cafeteria benefits including medical, sports, lunch, insurance, and voucher packages.
- Paid job-related English classes, training budget, hackathons, inter-team tourism, and an internal learning platform.
- Additional volunteering day off and company social events.
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