Senior Data Engineer

We are looking for a Senior Data Engineer with specialized domain expertise in fraud detection, Anti-Money Laundering (AML), or transaction-monitoring systems to establish data-quality foundations for decision engines. Our client is a fast-growing European FinTech company in the Business Spend Management space - providing corporate cards and related financial products to SME and mid-sized businesses across the EU and UK in a regulated environment. You will embed directly into a product squad as a hands-on Individual Contributor (IC). Key Responsibilities: - Architect and build robust data-quality frameworks specifically designed to power decision engines. - Design, scale, and maintain reliable, high-throughput production data pipelines. - Build infrastructure and workflows that enable fast, seamless deployment of fraud and transaction-monitoring rules. - Bring deep domain knowledge in Fraud, AML, and Transaction Monitoring to production data engineering workflows. - Multiply the output and quality of your squad while sharing data engineering patterns and best practices across the organization. Requirements: - Strong, senior-level 5+ years expertise in Python for data engineering and production pipeline development. - Experience/background in Fraud, AML, or Transaction-Monitoring systems. - Proven track record of establishing data-quality foundations for automated decisioning systems. - Extensive experience building production data pipelines and supporting rapid rule deployment workflows. Nice-to-Have Skills: - Hands-on experience with Airflow, SQL, PostgreSQL, and Google BigQuery (standard stack for data/analytics workloads). - Experience working in hybrid cloud environments (AWS primary + GCP analytics). - Familiarity with modern engineering workflows (Linear, GitHub, Notion, Slack) and AI-assisted development (Claude Code, GitHub Copilot). We offer*: - Flexible working format - remote, office-based or flexible - A competitive salary and good compensation package - Personalized career growth - Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) - Active tech communities with regular knowledge sharing - Education reimbursement - Memorable anniversary presents - Corporate events and team buildings - Other location-specific benefits *not applicable for freelancers