Senior Software Engineer II - Data Onboarding & Reporting

Salary: £66,000 - 106,000 per year

Requirements:

• We require proven experience building data infrastructure using Trino / Presto and open table formats such as Apache Iceberg or Delta Lake.
• We require deep expertise in Medallion Architecture patterns, Star Schemas, and processing semi-structured financial data logs such as JSON and Avro.
• We require expert proficiency in data transformation engines such as dbt and scheduling tools such as Airflow.
• We require a strong understanding of event-driven architectures and streaming processing via Apache Kafka.
• We require proficiency in Python, SQL, or an object-oriented language such as Java or Scala.
• We value experience operating data assets in regulated SOX / PCAOB compliance environments.
• We value familiarity with cloud data warehouses such as Snowflake and cloud compute orchestration.
• We value prior exposure to financial flows, double-entry ledger systems, or accounting integrations.
• We require a strong sense of long-term technical ownership.
• We require excellent communication skills and the ability to bridge technical engineering realities with financial analyst requirements.

Responsibilities:

• We will build, scale, and optimize end-to-end data pipelines on top of our Trino + Iceberg Lakehouse stack.
• We will own the extraction, cleaning, and modeling layers to refine raw event logs into verified subledgers and structured Gold metrics.
• We will work with high-throughput messaging queues such as Kafka and real-time computation models to maintain data freshness SLAs.
• We will embed rigorous, automated reconciliation checks within data pipelines, including balance and double-entry validations.
• We will partner with finance controllers, analysts, product, and engineering teams to turn complex finance needs into production-ready data schemas.
• We will address data scaling constraints, structural technical debt, and compute optimizations to align infrastructure costs with our financial targets.
• We will coach mid-level and junior engineers and perform thorough code and technical design reviews.
• We will create structured framework documentation and automated tooling to reduce onboarding friction for new data sources.

Technologies:

• Airflow
• Cloud
• JSON
• Java
• Kafka
• Python
• SQL
• Scala
• Snowflake
• dbt
• ETL
• Support
• Network

More:

We are Wise, a global technology company on a mission to move and manage the worlds money with minimal fees, maximum ease, and full speed. Our Finance Squad helps ensure our financial processes run efficiently, scalably, and in a controlled manner, and our Data Onboarding team in London works alongside Core Accounting, Finance Implementation, and Data & Assurance to steward the financial truth of Wise. This is a full-time, mid-senior engineering role with a starting salary of 111k to 145k plus RSUs and Wise benefits. We offer the rare opportunity to help engineer the core Engine of Trust for a fast-growing global fintech, collaborate directly with top-tier product minds, data platform engineers, and global financial stakeholders, and build reusable libraries and system-wide framework layers as part of an international, inclusive team.

last updated 34 week of 2026