Insights Tagging & Analytics Engineer

jlp; Greater London; Hybrid; GBP 53,000 - 78,000; Full time

Job summary

John Lewis Partnership seeks an Insights Implementation Analyst to design and implement robust JavaScript tracking for our Financial Services team. You will own the end-to-end tagging process, coordinating with cross-functional teams to ensure accurate cross-channel data collection and reliable reporting.

You will work within the DI&A group at one of the UK's largest online retailers, blending technical analytics strategy with hands-on tagging implementation and data QA.

Qualifications

• Experience in JavaScript, jQuery, and JSON.
• Knowledge of HTML, DOM, and event handling.
• Understanding of web protocols.
• Experience in data manipulation (e.g., scraping, regex).
• Strong implementation experience: tagging strategy, QA, and tag management.
• Familiarity with GCP.
• Understanding of digital marketing channels, ad serving, and analytics.
• Proficiency in Excel and Google Sheets.
• Experience with SQL, ETL tools, and flat-file processing.

Responsibilities

• Collaborating across the Financial Services team to gather requirements and define analytics and tracking strategies.
• Designing, implementing, and maintaining customized JavaScript tracking code using tag management systems.
• Leading end-to-end tagging projects, coordinating with cross-functional teams for cross-channel data collection.
• Performing data QA and troubleshooting to ensure reliable reporting and compliance with data protection policies.
• Managing multiple project workstreams, supporting partners and developers in delivering scalable technical solutions.

Skills

JavaScript

jQuery

JSON

HTML

DOM

Event handling

web protocols

data manipulation

tagging/QA

GCP

digital marketing analytics

Excel

Google Sheets

SQL

ETL tools

flat-file processing

Tools

Google Analytics

Ensighten

Adobe

SQL

ETL tools

Job description

John Lewis Partnership seeks an Insights Implementation Analyst to design and implement robust JavaScript tracking for our Financial Services team. You will own the end-to-end tagging process, coordinating with cross-functional teams to ensure accurate cross-channel data collection and reliable reporting.

You will work within the DI&A group at one of the UK's largest online retailers, blending technical analytics strategy with hands-on tagging implementation and data QA.