Senior Data Engineer – Digital & Behavioural Telemetry

Dublin

Pay: Pay not listed
Work setting: Hybrid — work setting source
Work setup in the employer’s posting: hybrid
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Employment: Permanent — employment source
Employment type Permanent
Employment type in the employer’s posting: Permanent
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Sponsorship: Visa sponsorship not confirmed — sponsorship source
Applicants must have an existing right to work in Ireland without the requirement for employment permit sponsorship to be considered for this role.
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What you’ll work on

Full posting

Shape unified behavioural data models linking customer actions, journey stages and technical telemetry
Define event tagging, naming, versioning and testable event contracts with product and engineering teams
Engineer governed data products measuring booking conversion, funnel progression and revenue outcomes
Connect real user monitoring with customer-journey data to show how technical performance affects conversion
Set data quality, testing, access, privacy and retention standards for telemetry and conversion data

From the employer’s posting

Shapes the unified behavioural data models that connect customer actions, journey stages, product interactions and technical telemetry

Partner with P&T engineering teams to define how product and web events are tagged, named, contextualised and versioned

Engineer and evolve governed data products that measure performance across key digital journeys and acquisition and revenue funnels

Connect behavioural and customer-journey data with real user monitoring and relevant operational telemetry

Set and implement expectations for data quality at creation, automated testing, breaking-change controls, ownership, classification, access, privacy, retention

Tools in this posting

Python
SQL
dbt
Snowflake
AWS

Source

- Practical experience with event tracking and telemetry concepts such as schemas, enrichments, event contexts, processing pipelines and warehouse data models, including local development, debugging and testing approaches. - Advanced SQL and strong Python skills, with hands-on experience using modern cloud data platforms and transformation tooling; such as Snowflake, dbt , AWS or similar technology stack. - Experience designing event taxonomies, schemas, data contracts, versioning and metadata for web or product telemetry, including semi-structured JSON data.

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Status in our records: Live
First seen by us: Sep 25, 2026 · 32 days ago
Recorded sightings: 16
Last seen by us: Oct 28, 2026

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Job description

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Tech that takes you places

We’re CarTrawler, the global travel tech company behind seamless connections between people, places and possibilities. From powering car rental to creating smarter ways to move, we make travel smoother for millions worldwide. Our culture is built on curiosity, collaboration and craic where every idea counts and every journey matters. Ready to make an impact?

Let’s go places together.

The Senior Data Engineer – Digital & Behavioural Telemetry owns the engineering and evolution of the digital behavioural and telemetry data that explains how customers interact with CarTrawler products and partner experiences. Sitting within Data Engineering, the role combines behavioural telemetry, web-engine telemetry, Real User Monitoring (RUM) and conversion data with practical standards for instrumentation, event contracts and governed downstream use.

The role works closely with Product & Technology engineering teams to ensure new features, products and journeys produce consistent, contextualised data enabling analytics. Working with Data Engineering to turn signals into reusable data products and certified metrics. The role provides senior technical ownership for the digital & behavioural telemetry domain, operating within the Data Engineering platform architecture. Working with product and domain teams to convert trusted behavioural data and digital telemetry data into governed analytical products.

What you will do as a Senior Data Engineer:

Digital & Behavioural Telemetry Data Engineering: Shapes the unified behavioural data models that connect customer actions, journey stages, product interactions and technical telemetry, enabling consistent analysis of how users move through digital experiences across partners, products and channels. Integrate web-engine telemetry, real user monitoring and related event data so that behavioural patterns, friction points and conversion opportunities can be understood reliably.

Instrumentation, Tagging & Event Contracts: Partner with P&T engineering teams to define how product and web events are tagged, named, contextualised and versioned. Establish reusable event taxonomies, identifiers, metadata and testable contracts so new features and journeys produce reliable data. Evolve the digital behavioural data implementation, including development and debugging capability.

Conversion Performance & Digital Journey Data Products: Engineer and evolve governed data products that measure performance across key digital journeys and acquisition and revenue funnels. Provide the behavioural data foundations required to measure session and search activity, availability, funnel progression, booking conversion, ancillary and revenue outcomes, and agreed attribution measures.

Data Enablement & Analytics Enablement: Turn product, engineering and business data needs into reusable, governed data structures that can be consumed safely downstream. Contribute event definitions, technical context, lineage and KPI guidance to the central definitions repository, using documentation-as-code and Markdown for business and metric definitions.

Observability Engineering: Connect behavioural and customer-journey data with real user monitoring and relevant operational telemetry so teams across CT can understand how technical performance influences customer experience, conversion and journey progression.

Quality, Security & Lifecycle: Set and implement expectations for data quality at creation, automated testing, breaking-change controls, ownership, classification, access, privacy, retention and handling of sensitive data. Ensure critical telemetry and conversion data products are monitored, documented, discoverable and safe to evolve.

Partner, Analyst & Product Enablement: Act as the senior technical SME for analysts, P&T teams and partner questions relating to telemetry, tagging and digital behavioural data. Maintain a digital measurement and data roadmap that identifies the data capability required to quantify behavioural friction, conversion performance, technical performance and website or product experience opportunities.

What you’ll bring to the team:

5-7+ years' experience in data engineering, digital analytics engineering, product telemetry or a related technical role, with evidence of senior ownership across production data products and cross-team delivery.
Strong hands-on experience engineering digital behavioural or telemetry data in a production environment, using an event collection platform such as Snowplow, Adobe Experience Platform , Google Analytics or a comparable technology.

Practical experience with event tracking and telemetry concepts such as schemas, enrichments, event contexts, processing pipelines and warehouse data models, including local development, debugging and testing approaches.

Advanced SQL and strong Python skills, with hands-on experience using modern cloud data platforms and transformation tooling; such as Snowflake, dbt , AWS or similar technology stack.

Experience designing event taxonomies, schemas, data contracts, versioning and metadata for web or product telemetry, including semi-structured JSON data.

Strong understanding of digital analytics and conversion measurement, including behavioural funnels, search and booking progression, landing and entry-point performance, attribution, journey progression and behavioural KPIs.

Experience modelling high-volume event data into reusable facts, dimensions and data products that support both detailed investigation and governed business reporting.

Understanding of RUM(real user monitoring) and observability concepts including metrics, logs, traces, correlation, instrumentation and the relationship between technical performance and customer experience.

Experience implementing data quality, automated testing, schema-change controls, privacy, classification, access, retention and lifecycle practices for telemetry or behavioural data.

Strong stakeholder and partner communication skills, with the ability to explain complex event and telemetry data to analysts, engineers, product teams and non-technical consumers.

Working knowledge of Git, CI/CD, automated testing and documentation practices, with a track record of improving engineering standards and enabling others to work independently.

Go on, give it a go!

We know that looking for a new job can feel a bit daunting but don’t let a touch of imposter syndrome hold you back. Even if you don’t tick every box, we’d still love to hear from you! Apply today to stay connected.

At CarTrawler, we’re proud to be an equal opportunities employer. We celebrate diversity and are committed to creating an inclusive environment for everyone. No matter your background, identity, or life experience, if you’re passionate about what you do, you’ll be welcomed here.

Hybrid Working & Eligibility: Our hybrid working policy requires employees to work onsite at our CarTrawler Dublin office a minimum of 2 days per week.

Applicants must have an existing right to work in Ireland without the requirement for employment permit sponsorship to be considered for this role.

Employment type

Permanent

Source details

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Pay: No pay amount identified in the saved description.
Location & working pattern: Dublin
At CarTrawler, we’re proud to be an equal opportunities employer. We celebrate diversity and are committed to creating an inclusive environment for everyone. No matter your background, identity, or life experience, if you’re passionate about what you do, you’ll be welcomed here. Hybrid Working & Eligibility: Our hybrid working policy requires employees to work onsite at our CarTrawler Dublin office a minimum of 2 days per week. Applicants must have an existing right to work in Ireland without the requirement for employment permit sponsorship to be considered for this role.
Work authorization: Hybrid Working & Eligibility: Our hybrid working policy requires employees to work onsite at our CarTrawler Dublin office a minimum of 2 days per week. Applicants must have an existing right to work in Ireland without the requirement for employment permit sponsorship to be considered for this role. Employment type

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