Top Tech Jobs & Startup Jobs in Dublin

Designs and implements scalable Java applications for Mastercard’s real-time decision management and fraud prevention platform. Responsibilities include application development, unit, integration, functional and automated testing, participation in Scrum ceremonies, diagnosing problems, and maintaining secure, testable code. The role mentors teammates while collaborating on high-performance applications and may use Docker, Kubernetes, Angular, and AI-assisted development tools.

Leads product strategy and roadmap for Mastercard’s developer platform, focusing on agentic developer tooling, MCP servers, CLI tools, API discovery, and AI-ready experiences. Partners across Product, Engineering, Strategy, Sales, and Marketing to define commercialization plans, align stakeholders, engage design partners, and establish measurable success metrics and reporting structures.

Lead design, develop, and deploy Java-based microservices for a high-traffic B2B payments platform. Apply 12-factor principles, cloud (AWS/Azure), CI/CD, containerization, and performance optimization. Collaborate with product, TPMs, and QA, perform code reviews, and ensure security and architecture compliance.

Lead the architecture and hands-on development of secure, scalable Open Banking services. Design systems, contribute to code and architecture reviews, collaborate with product and business teams, mentor engineers, guide technical initiatives, optimize architectural decisions, and promote enterprise-wide alignment. The role requires strong software engineering and cloud experience, secure development expertise, financial services compliance knowledge, and the ability to lead technical teams and deliver complex initiatives.

Lead design, develop, and deploy scalable Java-based microservices for a global B2B payments platform. Collaborate in Agile teams, apply 12-factor principles, ensure security/compliance, optimize performance, perform code reviews, and support CI/CD, containerization, and cloud deployments.

Lead SRE/DevOps engineer to design, build, and scale AWS infrastructure, implement IaC, manage Kubernetes (EKS), improve availability and monitoring (Prometheus), mentor teammates, automate CI/CD, troubleshoot performance and security, and build custom tooling in Go/Python/Bash.

Lead Site Reliability/DevOps engineer responsible for designing, building, and scaling AWS cloud infrastructure, implementing IaC and CI/CD, managing Kubernetes/EKS, improving availability and monitoring (Prometheus), mentoring team members, troubleshooting production issues, and developing automation and tooling in Go/Python/Rust/Bash.

Lead SRE/DevOps engineer responsible for designing, building, and scaling highly available AWS infrastructure. Mentor team members, implement IaC (Terraform, CloudFormation), CI/CD (Jenkins, Argo CD), Kubernetes/EKS clusters, observability with Prometheus, security and networking (VPC, Direct Connect, Transit Gateway), troubleshooting, on-call rotations, and develop automation/tools in Go/Python/Bash.

Leads product strategy and roadmap for Mastercard’s developer platform, including agentic tooling, MCP servers, CLI tools, and agent-ready API standards. Partners across Product, Engineering, Strategy, Sales, and Marketing to define commercialization, packaging, pricing, distribution, and success metrics. Drives 0-to-1 initiatives, stakeholder alignment, design-partner testing, and executive communication for an emerging AI-powered developer channel.

Lead the architecture and hands-on development of secure, scalable Open Banking services. Design microservices and cloud-based systems, participate in coding and architecture reviews, guide technical initiatives, mentor engineers, influence product and business decisions, and drive enterprise architectural alignment. Apply secure development practices, cryptography, compliance knowledge, and vulnerability management to deliver resilient financial services platforms.