Junior Data Engineer - Advertising Analytics & Excellence

Our requirements

• Develop and maintain data ingestion and processing pipelines for large volumes of data using BigQuery
• Experience working with SQL and Python, utilizing data processing tools like PySpark.
• Have knowledge of GCP (especially Dataflow and Composer)
• Are familiar with data orchestration tools like Airflow.
• Design and streamline data architecture that powers analytical products
• Help drive the adoption of AI in analytics and unlock new possibilities
• Use good practices (clean code, code review, TDD, CI/CD)
• Demonstrate ability to leverage AI/ML tooling to enhance data pipelines and analytical products.
• Are eager for personal development and keeping their knowledge up to date
• Possess a great communication skills, positive attitude and team-working skills
• Know English at B2 level

Your responsibilities

• Pipeline Development & Product Ownership: Design, build, and maintain high-volume data processing pipelines, both as tailored solutions for your analytics clients and as part of your team's core data products.
• Building AI Agents: Actively develop and orchestrate AI agents to deliver innovative GenAI products and solutions.
• Data Modeling & Looker: Streamline our data architecture by building and maintaining a clean, accessible semantic layer in Looker.
• Infrastructure & Orchestration Management: Manage and optimize our data infrastructure, focusing heavily on our orchestration setup using Airflow and GCP Composer.
• Engineering Excellence: Promote development best practices through educational code reviews, clean code, TDD, and CI/CD workflows.
• Structured Client Support: Act as a trusted technical partner for our analytics clients when complex architectural challenges arise. To protect our deep-focus development time, we use a structured, rotational on-duty support system so that you can focus on coding without constant interruptions.

About the project

#goodtobehere means that:

• You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA.
• You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create.
• You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, GitHub and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job.
• You will create solutions that will be used (and loved!) by your friends, family and millions of our customers.
• You will meet the Allegro Scale, which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning.

What we offer

• 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.

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of foreign language classes
• sharing the costs of professional training & courses
• life insurance
• flexible working time
• integration events
• no dress code
• leisure zone
• extra social benefits