Top Tech Jobs & Startup Jobs in Dublin

Lead security architect supporting Mastercards Enterprise Security Architecture and Innovation team. Provide secure design and architecture advice across web, mobile, cloud and on-prem systems; define cryptographic controls (encryption, key management, certificates, TLS, HSMs); ensure compliance with PCI/FIPS/ISO; research emerging technologies; and partner with application teams to achieve security and compliance roadmaps.

Lead design and delivery of Product Excellence tooling and platforms, define scalable architectures (Power Platform, SharePoint, Dataverse), drive automation from manual to mandatory processes, coordinate cross-functional engineering/product/operations delivery, enforce data governance, and develop high-performing teams to support global product council operating models.

Design, build, and maintain scalable backend systems with a development-first approach. Create and run unit, integration, API, and UI automation; enhance CI/CD pipelines; drive shift-left testing, performance, security, and operability; troubleshoot distributed systems and promote engineering best practices.

Lead SRE responsible for reliability, scalability, and performance of critical applications. Own operational readiness, incident response, root-cause analysis, automation of CI/CD and alerts, capacity planning, SLOs, and ITSM feedback to development teams while mentoring and participating in on-call rotations.

Lead design and delivery of Product Excellence tooling and scalable internal platforms (including Power Platform, SharePoint, Dataverse). Own architecture, drive end-to-end delivery, enforce data governance, transition operating models to automated solutions, coordinate cross-functional teams, and develop high-performing engineering talent.

Lead architecture and design of a global B2B payments platform, driving scalable, secure, cloud-native solutions. Mentor engineering teams, create technical blueprints and service contracts, conduct design/code reviews, and collaborate with product and stakeholders to deliver high-throughput, resilient systems.

Lead architecture and design of a global B2B payments platform emphasizing security, resiliency, scalability, and performance. Produce technical blueprints, service contracts, and cloud-native patterns; mentor engineering teams; conduct design and code reviews; collaborate with product and stakeholders to deliver secure, high-throughput solutions aligned with Mastercard standards.

Lead architecture, design, and development of a cloud-native experimentation platform. Build scalable microservices, APIs, and data pipelines using Databricks/Spark on AWS/Azure. Drive technical vision, mentor engineers, ensure observability, CI/CD, security, and performance while coordinating cross-functional, global teams.

Lead security engineering for Data & AI initiatives: advise product and engineering teams, translate security policies into actionable controls, lead security reviews and threat modeling, embed security into SDLC and CI/CD, drive vulnerability management, and promote security-first culture across global teams.

Lead design and development of a cloud-native experimentation platform: define architecture and non-functional requirements, build scalable microservices and APIs, implement big-data pipelines with Databricks/Spark, modernize systems to cloud (AWS/Azure), mentor engineers, drive cross-team alignment, and champion engineering best practices for performance, security, and continuous delivery.