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Backend Engineer - Recommendation (all genders)

Hamburg or Berlin, de💼 Full-time🗓 2026-04-13 → 2026-07-31

Core

Build and enhance high-traffic recommendation APIs and data pipelines using NodeJS, TypeScript, and BigQuery to serve personalized fashion recommendations.

Role type

Senior Backend Engineer (Recommendation Systems)

Builds

High-traffic recommendation APIs and data processing pipelines

Domain

E-commerce, Fashion, Machine Learning

Deliverable

production ML models | product features

Required skills

NodeJS, TypeScript, SQL/NoSQL databases, scalable API development, cloud ecosystem integration (AWS/GCP), data pipeline orchestration (Dagster/Airflow), distributed data processing

Preferred skills

Elasticsearch/OpenSearch, dbt, MPP data warehouses (Redshift/BigQuery), centralized logging/monitoring (Datadog), Machine Learning Models, LLM-based systems

Technologies

NodeJS, TypeScript, Google BigQuery, Elasticsearch, OpenSearch, dbt, Redshift, Datadog, AWS, GCP, Dagster, Airflow

Responsibilities

Develop next-generation recommendations utilizing NodeJS with TypeScript; Manage extensive data volumes efficiently; Build and enhance high-traffic APIs; Collaborate with data scientists and product managers to launch novel features

Seniority

Mid-level, hands-on IC

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