MarTech Lead - Data & AI, Source of Truth Architect

IG Group; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Benefits offered by this job

Competitive salary

Flexible Benefits Package

Private medical cover for you and your

Life insurance

Gym memberships

25 Days holiday, Birthday + voluntary

Job summary

IG Group is seeking a hands-on MarTech Lead (Data & AI) in City of London to own the SFMC → Braze migration, validate data parity, and fix migration issues with a strong data engineering focus. You’ll define the source of truth, design identity resolution, and enable AI-driven automation across marketing tech.

You will work across teams to align data architecture with BigQuery and data warehouse goals, building robust validation and monitoring to ensure trusted metrics and campaigns.

Qualifications

• Strong SQL proficiency and ability to write validation queries.
• Experience with data pipelines, data quality checks and debugging.
• Ability to turn business goals into technical plans with measurable outcomes.

Responsibilities

• Own the SFMC → Braze migration: plan, sequencing and cutover strategy.
• Validate data and journey parity between SFMC and Braze at SQL/pipeline level.
• Identify and fix migration-related data issues without escalation.
• Define the source of truth architecture and identity stitching across tools.
• Build and monitor data validation to detect drift before stakeholders notice.

Skills

SQL

Python

Data-driven decision making

Cross-team collaboration

Tools

BigQuery

Braze

GA4/BigQuery

Salesforce Marketing Cloud

Job description

IG Group is seeking a hands-on MarTech Lead (Data & AI) in City of London to own the SFMC → Braze migration, validate data parity, and fix migration issues with a strong data engineering focus. You’ll define the source of truth, design identity resolution, and enable AI-driven automation across marketing tech.

You will work across teams to align data architecture with BigQuery and data warehouse goals, building robust validation and monitoring to ensure trusted metrics and campaigns.