Sr Data Engineer - GCP, Bigquery, Claude Code, Snowflake

TXP; Greater London; Hybrid; GBP 80,000 - 105,000; Full time

Job summary

TXP is seeking a Senior Data Engineer to join the Measurement Innovation Team in London. You will help automate campaign measurement by maintaining and building data pipelines using GCP, BigQuery and Snowflake.

You will work closely with external data teams and internal stakeholders, applying privacy-safe joins and security best practices while exploring AI-assisted coding tools to enhance delivery.

Qualifications

• Hands-on data engineering with GCP, BigQuery, Python and SQL.
• Experience with Snowflake and data privacy techniques.
• Strong problem-solving and communication skills; AI coding experience preferred.

Responsibilities

• Working with GCP and BigQuery pipelines, including completing partially built exposure tables.
• Building and debugging privacy-safe data joins using BigQuery and Snowflake clean rooms, ensuring data security and preventing data exfiltration.
• Supporting the migration to a new cloud organisation, including cloud security and best practices.
• Some AWS work.
• Working directly with external partners' data teams and internal stakeholders.

Skills

GCP

BigQuery

Python

SQL

Snowflake

AI coding

Data accuracy

Communication

Tools

Snowflake

BigQuery

GCP

Job description

Senior Data Engineer

£500.00 Per Day - Inside IR35 via Umbrella

Location: 1 day per week in London (Candidates must be UK based and state their location)

Duration: 4 - 6 months

The role sits within our client's Measurement Innovation Team. They're moving towards automating campaign measurement and need a senior, hands‑on engineer to help maintain and develop their data pipelines.

Responsibilities

• Working with GCP and BigQuery pipelines, including completing partially built exposure tables.
• Building and debugging privacy-safe data joins using BigQuery and Snowflake clean rooms, ensuring data security and preventing data exfiltration.
• Supporting the migration to a new cloud organisation, including cloud security and best practices.
• Some AWS work.
• Working directly with external partners' data teams and internal stakeholders.

Experience & Qualifications

• A senior, hands‑on Data Engineer with strong production experience in GCP, BigQuery, Python and SQL.
• Solid hands‑on data engineering: Python, SQL, BigQuery and GCP pipelines.
• Snowflake and clean rooms or other privacy-safe joins.
• AI-oriented. They'll work day to day with coding agents (Claude Code and similar). Someone who actively uses AI coding agents in their day-to-day work and can critically review the output.
• Strong problem‑solving skills and an interest in data accuracy, rather than simply building pipelines.
• Experience with Snowflake, data clean rooms or privacy-safe joins.
• Strong communication skills, as they'll be working directly with several internal and external teams.