Top Tech Jobs & Startup Jobs in Dublin

Lead security engineer advising product and operational teams on secure design, review processes, and standards. Lead security for large global initiatives, document and enhance security procedures, recommend solutions to meet security and regulatory requirements, and present technical/business security guidance.

Lead architecture and technical strategy for a global virtual card platform. Design scalable, secure, highly available services; apply Domain Driven Design; mentor teams; drive PoC-to-production delivery; ensure cloud-native deployments, container orchestration, PKI/crypto standards, and engineering best practices.

Lead and build a Support & Retention Experience function for a B2B developer-facing platform: design customer health monitoring, establish post-production support and SLAs, automate playbooks, align cross-functional data and integrations, identify expansion opportunities, and drive retention and platform adoption while coaching a high-performing team.

Own and evolve Mastercard's AI-native data platform and applications: define roadmap, treat data as product with SLAs and governance, lead cross-functional teams, operationalize agentic AI and HITL workflows, ensure regulatory and security compliance, and translate regional customer needs into scalable data products.

Own and evolve an AI-native data platform and products: define roadmap and backlog, treat data as a product with SLAs and governance, transform structured/unstructured data into reusable schemas and datasets, lead cross-functional teams, operationalize agentic AI and HITL workflows, ensure compliance with security/privacy, translate regional needs into scalable models, analyze market trends, and drive product delivery within budget and timelines.

Lead security engineer advising product and operational teams on secure design, documenting and enhancing security standards, leading large cross-functional initiatives, presenting technical guidance, and recommending solutions to meet security and regulatory requirements. Role requires deep knowledge in web security, cryptography, encryption protocols, security tooling, automation, scripting, and Linux administration.

Lead security engineer advising product and operational teams on secure design, conducting security reviews, documenting and improving security standards, presenting technical guidance, and leading security roles on large, cross-functional global initiatives to meet security and regulatory requirements.

Design and deliver production-grade AI solutions using LLMs, RAG, and vector-search knowledge bases. Build APIs and microservices, integrate with cloud and data platforms (AWS, Cloudera, Databricks), apply prompt engineering and orchestration frameworks, monitor model performance, ensure security/compliance, and mentor engineers.

Senior Software Engineer responsible for building scalable backend systems, designing and implementing test automation across API and UI layers, enhancing CI/CD pipelines, driving shift-left testing, ensuring performance, security, and reliability, participating in architecture discussions, troubleshooting distributed systems, and improving engineering quality and processes.

Lead and manage a team building API-driven microservices for virtual card management. Oversee design, delivery, code reviews, testing strategies, security practices, performance engineering, and cross-functional architecture decisions while developing engineering talent.