Team Leader (Java / Kotlin) - Recommendations Team

Nasze wymagania: Experience in leading a team (Java/Kotlin and/or Scala) as a Tech Lead or Team Leader Still actively coding and eager to maintain technical expertise Strong knowledge of engineering best practices (testing, CI/CD, scalable architecture) Experience with high-traffic distributed systems and data engineering Ability to bridge technical and business perspectives Proficiency in English (B2+) Mile widziane: Experience with ML Familiarity with GCP data engineering tools: BigQuery, Cloud Composer, Dataproc O projekcie: Join the Recommendation team! You will have a chance to build tools for recommendations on Allegro - one of the most visible products on the platform. Your team work closely with the Machine Learning team, creating the best experience for customers. High performance, engineering best practices and great atmosphere in the team guaranteed! We are looking for a leader who is still close to technology. In this role, you will spend around 20-50% of your time on technical work (coding, code reviews, architecture), with the remaining time focused on team development and business collaboration. Important things for you: Contract of employment, tax-deductible costs Depending on your annual assessment and the company's results we offer: Annual bonus based on your annual performance and company results. Long term discretionary incentive plan based on Allegro.eu shares (restricted stock units). Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. Our team is based in Warsaw. Zakres obowiązków: Lead the development team (5-7 members) – ensuring accurate, scalable, and reliable delivery predictions Technical leadership – mentoring, code reviews, ensuring high code quality Design and implementation of key systems (languages: Scala, Java/Kotlin, Python, stacks: Spring Boot, Apache Pekko, Apache Spark, Google Cloud Platform) Collaboration with cross-functional teams - data science, data engineering, analytics, UX, operations Ensuring high quality - clean code, code review, TDD, CI/CD to ensure the quality and maintainability Oferujemy: Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. 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). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism (see more here), hackathons, and an internal learning platform where you will find multiple trainings. An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy.