Staff Data Engineer: GTM Data & LLM Enrichment

Fin; Dublin; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Fin is transforming customer experiences with AI-powered agents and a unified GTM data stack. The role sits in the Data group, partnering with GTM Systems, RevOps and frontline teams to build identity, hierarchy, and enrichment pipelines that drive revenue.

You will own the entity-resolution layer, source accounts, and enrich contacts with privacy-aware processes. You will implement LLM-powered enrichment, integrate with Salesforce and marketing tools, and ensure data quality through tests and

Qualifications

• Experience with modern data stack tools (dbt, Snowflake, Airflow)
• Experience building with LLMs in production (prompt design, web search, tool calling)
• Experience with entity resolution and deduplication problems
• Hands-on experience integrating with SaaS APIs and business systems (Salesforce)
• Strong ability to explain data changes to non-technical stakeholders
• Curiosity about how sales and marketing work and business outcomes

Responsibilities

• Own account identity and entity-resolution layer, with dedupe pipelines
• Model account hierarchy and corporate parent relationships
• Build account sourcing pipelines and push CRM-ready lists into Salesforce
• Source and enrich contacts at target accounts, respecting privacy
• Develop LLM-powered enrichment across web search and crawling tools
• Ingest data into dbt models in Snowflake and sync to GTM stack
• Instrument pipelines with tests and alerts to catch issues early
• Collaborate with Sales, Marketing, Ops to enable business goals

Skills

GTM familiarity

Data modeling

LLM integration

SaaS integrations

Communication

Growth mindset

Tools

dbt

Snowflake

Airflow

Salesforce

Marketo

Clay

Job description

Fin is transforming customer experiences with AI-powered agents and a unified GTM data stack. The role sits in the Data group, partnering with GTM Systems, RevOps and frontline teams to build identity, hierarchy, and enrichment pipelines that drive revenue.

You will own the entity-resolution layer, source accounts, and enrich contacts with privacy-aware processes. You will implement LLM-powered enrichment, integrate with Salesforce and marketing tools, and ensure data quality through tests and