Senior Data Engineer – Data Ingestion, Enrichment

🕒 April 7

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Preply

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2012

📚 Education

🏪 Marketplace

👥 B2C

Education • Marketplace • B2C

Preply is an online education marketplace that connects learners with professional tutors for live, personalized 1-on-1 lessons across languages and other subjects. The platform offers thousands of vetted tutors, user reviews, mobile apps, and tools for scheduling and secure payments, plus plans for individuals and corporate language training. Preply focuses on tailored learning paths, flexible scheduling, and progress tracking to help students improve conversational and exam skills.

📋 Description

• Design and own the data layer that powers both Preply’s analytics, machine learning, and product. • Design, build, and own Preply’s data lake. • Develop and operate scalable, reliable batch and streaming ingestion pipelines. • Define and implement data contracts between producers and consumers. • Build enrichment logic that joins, standardizes, and contextualizes data across domains. • Instrument ingestion pipelines with strong observability: freshness, latency, data quality, and cost metrics. • Apply consistent access control, classification, and privacy protections at ingestion time. • Contribute to standardized ingestion templates, shared libraries, and platform tooling that enable teams to onboard new data sources independently. • Work closely with Product, Backend, Analytics, and ML partners to align on ingestion requirements, trade-offs, and priorities.

🎯 Requirements

• Exposure to and experience building architectural patterns of a large, high-scale application (e.g., well-designed APIs, high-volume data pipelines, efficient algorithms). • Solid experience working in platform or data engineering teams (or equivalent impact) with evidence of leading multi-stakeholder deliveries. • Familiarity with cloud platforms (AWS/GCP or equivalent) and modern DevOps practices. • Hands-on experience designing and implementing real-time and batch data processing infrastructures using modern frameworks like Spark, Flink, Spark streaming, Kafka, Debezium, etc. • Expertise with orchestration tools such as Airflow, dbt, or similar. • Exceptional problem-solving skills paired with a proactive, innovative mindset focused on continuous improvement. • Strong communication and cross-functional collaboration skills (English level B2+)

🏖️ Benefits

• A generous monthly allowance for lessons on Preply.com • Learning & Development budget • Time off for your self-development • A competitive financial package with equity • Leave allowance • Health insurance • Access to free mental health support platforms