Responsibilities
- Design, scale, develop, and maintain data validation pipelines for high-volume clickstream data.
- Implement anomaly detection mechanisms to ensure data integrity and processing quality before ingestion into the core Data Assets layer.
- Standardize and validate Allegro clickstream events for AI agents and business dashboards.
- Collaborate with cross-functional stakeholders to reconcile data requirements.
- Participate in engineering discussions, code reviews, and cross-team initiatives.
- Take ownership of technical tasks and communicate technical problems proactively.
Requirements
- Solid, production-proven experience with Big Data ecosystems and stable data pipelines.
- Proficiency in Python and Spark; Scala is a nice-to-have skill.
- Openness to navigating or aligning with Java backend applications.
- Understanding of data quality principles, event contract validation, anomaly detection, and streaming data processing.
- Interest in how Big Data, Backend, and Frontend pillars interconnect.
- Polish proficiency at a minimum C1 level and English proficiency at a minimum B2 level.
- Willingness to use AI coding tools and participate in code reviews.
- Proactive communication, autonomy, and openness to feedback.
Benefits
- Flexible working hours in a 4/1 hybrid model, with start times between 7:00 a.m. and 10:00 a.m.
- Up to 30 days of occasional remote work.
- 30 days of occasional remote work are available in addition to the hybrid model.
- Well-located offices with equipped kitchens, bicycle parking, terraces, raised desks, ergonomic chairs, and interactive conference rooms.
- A 16-inch or 14-inch MacBook Pro or corresponding Dell Windows laptop with necessary accessories.
- Cafeteria-plan benefits such as 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.
- An additional volunteering day off.
- Social events for Allegro employees.
- Access to modern AI tools, Allegro's internal developer ecosystem, and opportunities for continuous development.
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