LemFi (Series B) is building the go-to financial app for the Global South.Moving to a new country shouldn’t mean starting from zero. That's why our team of 400+ spanning 20+ countries is building a financial ecosystem that helps immigrants stay connected to home, build stability, and create wealth regardless of where they are from or where they live.What began as fast, affordable remittances is now evolving into a complete platform for multi-currency accounts, payments, credit, and long-term financial growth.With over 2 million users across the globe, we process over $1.5B in monthly transactions to 30+ countries, proving that borders shouldn't limit financial opportunity.The RoleWe’re looking for a Senior Security Engineer to strengthen LemFi’s cloud security posture, enhance visibility across our systems, and ensure compliance with evolving EU and Irish regulatory requirements. This is a hands-on role at the intersection of engineering, security, and compliance - working across AWS, core security tooling, monitoring, and audit readiness.You will help translate regulatory expectations into practical, measurable security improvements while partnering closely with Engineering, Cloud, Risk, and Compliance teams. Your work will directly protect customer data, reduce incidents, and deepen trust across our financial ecosystemHow You’ll ContributeEnhance Cloud Security: Manage and improve AWS security, including IAM, network segmentation, key management, and logging.Strengthen Detection & Telemetry: Configure and maintain SIEM, vulnerability scanners, IDS/IPS, and endpoint protection tooling.Improve Monitoring: Build alerting for critical systems and embed security into CI/CD workflows.Ensure Compliance: Harden infrastructure and support adherence to ISO 27001, PCI DSS, DORA, and other relevant standards.Support Audit Readiness: Prepare regulatory reports, coordinate audit evidence, and assist with inspections.Translate