Data Engineer

Preply is an ed-tech company that operates a global marketplace connecting learners with tutors for language education. The platform leverages human-led and AI-enhanced learning to provide personalized educational experiences to users across 180 countries.

• Design, build, and own the data lake, ensuring clear ownership, schemas, and quality expectations for all datasets;
• Develop and operate scalable batch and streaming ingestion pipelines for real-time and analytical use cases;
• Define and implement data contracts between producers and consumers, including schema, freshness, and quality guarantees;
• Build enrichment logic that standardizes and contextualizes data across domains using shared patterns;
• Instrument ingestion pipelines with observability for 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 to enable self-service;
• Collaborate with Product, Backend, Analytics, and ML partners to align on requirements and priorities.

• Experience driving architectural patterns for large-scale applications, such as high-volume data pipelines;
• Solid background in platform or data engineering teams with a track record of leading multi-stakeholder deliveries;
• Proficiency with cloud platforms like AWS or GCP and modern DevOps practices;
• Hands-on experience designing real-time and batch data processing infrastructures using frameworks like Spark, Flink, Spark streaming, Kafka, or Debezium;
• Expertise with orchestration tools such as Airflow or dbt;
• Strong problem-solving skills and a proactive mindset;
• Advanced English (B2+);
• Nice to have: Proven track record in scaling data infrastructures within fast-growing startups, Terraform, Kubernetes, SQL proficiency.

• Competitive financial package including equity;
• Health insurance and access to mental health support platforms;
• Monthly allowance for lessons on Preply.com and a dedicated Learning & Development budget;
• Paid time off for self-development.