Top Tech Jobs & Startup Jobs in Dublin

Lead Site Reliability/DevOps engineer to design, build, and scale AWS cloud infrastructure. Implement Infrastructure-as-Code, CI/CD, Kubernetes (EKS) clusters, monitoring with Prometheus, security and networking, mentor team members, participate on-call rotations, and develop automation tooling in Go/Python/Bash.

Provides senior technical leadership as an individual contributor, designing and delivering secure, scalable, resilient enterprise software systems. Leads architecture, development, testing, deployment, operational readiness, automation, and production issue resolution. Partners with product, business, architecture, and engineering teams to shape technical strategy, improve engineering standards, reduce technical debt, and influence technology roadmaps across global teams.

Own product strategy and roadmap for Mastercard’s developer platform and agentic developer tooling. Define agent-ready standards across the API catalog, shape AI-powered discovery and distribution, align Product, Engineering, Sales, Marketing, and Strategy stakeholders, and develop commercialization hypotheses with design partners. Establish success metrics, reporting structures, and cross-functional execution plans while operating in an ambiguous 0-to-1 environment.

Lead design, develop, and deploy high-quality Java microservices for a scalable, cloud-ready B2B payments platform. Collaborate across Agile teams, perform code reviews, ensure security and architecture compliance, optimize performance, and support CI/CD, containerization, and automated testing practices.

Lead design, development, and deployment of scalable Java microservices for a high-traffic B2B payments platform. Apply 12-factor principles, CI/CD, containers, cloud (AWS/Azure), and automated testing. Collaborate with product, TPMs, and QA; perform code reviews; ensure performance, security, and adherence to enterprise standards.

Lead the architecture and hands-on development of secure, scalable Open Banking services. Design systems, conduct architecture reviews, write code, guide technical decisions, collaborate with product and business teams, mentor engineers, improve reuse and cost efficiency, and ensure compliance with financial-services security and regulatory requirements.

Designs and implements Java application logic for Mastercard’s real-time decision management and fraud prevention platform. Develops unit, integration, and functional tests using automated testing frameworks, writes scalable and secure code, participates in Scrum ceremonies, diagnoses technical issues, and collaborates with teammates. The role also includes mentoring team members and may involve Docker, Kubernetes, Angular, and AI-assisted development tools.

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

Design and implement Java application logic for Mastercard’s real-time decision management and fraud-prevention platform. Develop unit, integration, functional, and automated tests; build scalable, secure, maintainable applications; collaborate in Scrum ceremonies; diagnose technical issues; and mentor team members while remaining hands-on.

Provides expert individual-contributor leadership for enterprise-scale software engineering. Designs and delivers secure, scalable, resilient distributed systems; drives architecture, development, testing, deployment, automation, observability, and operational excellence. Partners with product, business, architecture, and engineering teams to translate strategy into technical solutions, resolve complex production issues, reduce technical debt, and improve engineering practices. Influences technical roadmaps, mentors engineers, and promotes standards across teams and geographies.