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Lead Engineer/Data Engineer

Immersum
London
4 days ago
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Job Title: Lead Data Engineer (leading a team of 4). Location: West London - Hybrid (3 days p/w in-office)
Tech: AWS, Snowflake, Airflow, DBT, Python

Immersum have engaged with a leading PropTech company on a mission to revolutionise how the property sector understands people, places, and data. By combining cutting-edge data science with powerful location intelligence, they help major organisations make smarter, faster decisions. We are seeking a Lead Data Engineer to lead our growing data team (34 people) and play a critical role in building scalable, automated data infrastructure. You will help shape the future of their data architecture, ensuring high-quality ingestion, robust pipelines, and reliable systems that can handle millions of data rows per second .

Design, build, and maintain data ingestion pipelines (APIs, CSVs, high-frequency loads).
Automate data ingestion and processing workflows with Snowflake and modern orchestration tools.
Implement redundancy, backups, and DB triggers to ensure reliability and data integrity.
Work with Python to build scalable data solutions.
Introduce and adopt new technologies such as Kafka, Docker, Airflow, and AWS .
Define and enforce data hygiene practices (ontology, storage, artifacts, version control).
Collaborate closely with a small, ambitious team to deliver end-to-end data solutions.
Support the companys global expansion by enabling scalable data systems across regions.

Strong experience in data engineering and architecture roles.
Deep knowledge of SQL, Snowflake (or similar DWHs), and Python .
Proven track record of building robust, automated ETL/ELT pipelines .
Familiarity with distributed systems and handling large-scale data (millions of rows/sec) .
Experience with data hygiene best practices : data models, versioning, reproducibility.
Hands-on experience with cloud platforms (AWS preferred) .
Experience with Grafana or similar monitoring/observability tools.
Prior experience in fast-scaling startups or international data systems.

Work directly with leadership (CEO and core team) to influence the companys data vision.
Opportunity to build and scale new data architecture from the ground up .
Own greenfield projects and shape the data engineering roadmap
Competitive compensation and growth opportunities.

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