Top Tech Jobs & Startup Jobs in Dublin

Lead customer discovery and design pilots/proofs-of-concept using Mastercard and external data to validate high-value use cases. Collaborate with Product, Engineering, and regional teams to translate findings into product enhancements, measure customer outcomes and ROI, build business cases and case studies, and create repeatable playbooks for solution validation and commercialization.

Lead customer discovery and validation for Emerging Data Signals by designing and executing pilots, POCs, and test-and-learn programs; combine Mastercard, Open Finance, and external data to build solutions; translate findings into product feedback; measure ROI and adoption; build business cases, playbooks and case studies; and maintain strategic customer relationships to drive commercialization.

Lead development of scalable streaming and aggregation solutions using Java/Go, Spark/Scala, Kafka, Hive/Hadoop. Build microservices with Spring, REST/SOAP, integrate RDBMS (Oracle) and NoSQL, apply CI/CD, Linux operations, and application security. Collaborate across teams, document designs, and communicate progress to leads and management.

Lead customer discovery and validation for Emerging Data Signals by designing pilots, proofs-of-concept, and test-and-learn programs. Combine Mastercard and external data sources to build solutions, measure ROI and adoption, create business cases and playbooks, and translate findings into product feedback to enable commercialization and roadmap prioritization.

Lead customer discovery and experimentation to validate high-value use cases combining Mastercard data, Open Finance, and external sources. Design pilots and POCs, measure ROI and adoption, translate findings into product feedback, build business cases and playbooks, and maintain strategic customer relationships to drive commercialization and product roadmap influence.

Design, build, and maintain scalable streaming and aggregation solutions using Java, Go, Spark, Scala, Kafka, Hive and Hadoop. Develop microservices and web services (SOAP/REST) with Spring, interact with relational (Oracle) and NoSQL stores, implement CI/CD pipelines, ensure application security, produce documentation, and collaborate across teams through the software development lifecycle.

Lead performance engineer responsible for platform performance and availability engineering: design and run performance tests, troubleshoot issues, perform capacity planning, partner with architects and engineers, and implement recommendations to ensure highly scalable, low-latency transaction processing.

Lead design and implement scalable streaming, aggregation and microservice solutions using Java, Go, Spark, Scala, Kafka and Hadoop ecosystem. Build APIs (SOAP/REST), work with RDBMS and NoSQL, apply CI/CD and application security, collaborate across teams, and produce technical documentation.

Lead customer discovery and design pilots/POCs using Mastercard and external data to validate solutions, measure ROI, and inform product roadmaps. Collaborate with Product and Engineering to translate findings into scalable offerings, build business cases, and create repeatable playbooks while maintaining strategic customer relationships.

Lead development of scalable streaming and aggregation solutions using Java, Spark, Scala, Kafka, Hive and Hadoop. Design and implement microservices with Spring Boot, Go and web services (SOAP/REST). Work with RDBMS (Oracle) and NoSQL, CI/CD pipelines, and Linux/UNIX environments. Produce documentation, collaborate across teams, and communicate progress to leads and senior management.