Senior Data Engineer: Lakehouse Pipelines & Medallion

Wise; Greater London; Hybrid; GBP 111,000 - 145,000; Full time

Benefits offered by this job

Hybrid work model

RSUs

Job summary

Wise is seeking a Senior Software Engineer II for the Data Onboarding Team in London. You will lead data pipelines on our Lakehouse stack (Trino + Iceberg) within a Medallion Architecture, turning raw event logs into reliable subledgers and metrics for the Finance squad.

You will work on high-throughput data streams (Kafka), collaborate with finance and product teams, and mentor junior engineers while ensuring data quality and timely reporting.

Qualifications

• Data Lakehouse mastery with Trino/Presto and Iceberg or Delta Lake.
• Advanced Medallion Architecture and Star Schemas for financial data.
• ETL/ELT orchestration using dbt and Airflow.
• Stream processing with Kafka and real-time analytics.
• Strong programming in Python/SQL/Java/Scala.

Responsibilities

• Design, build, and optimize end-to-end data pipelines on Lakehouse.
• Own Bronze to Gold data modeling and quality checks.
• Maintain data freshness SLAs with streaming and batch processing.
• Collaborate with finance controllers, analysts, product and engineering.
• Mentor mid-level and junior engineers through code reviews.

Skills

Data Lakehouse

Medallion Architecture

ETL/ELT orchestration

dbt

Airflow

Python

SQL

Kafka

Java/Scala

Tools

Trino/Presto

Iceberg

Snowflake

Job description

Wise is seeking a Senior Software Engineer II for the Data Onboarding Team in London. You will lead data pipelines on our Lakehouse stack (Trino + Iceberg) within a Medallion Architecture, turning raw event logs into reliable subledgers and metrics for the Finance squad.

You will work on high-throughput data streams (Kafka), collaborate with finance and product teams, and mentor junior engineers while ensuring data quality and timely reporting.