Develop production-ready agentic AI systems and scalable software using AI-first practices across the full SDLC. Evaluate AI models, build multi-agent workflows and integrations, apply emerging standards, and deliver demos, workshops, and thought leadership to engineering and executive audiences. The role also involves mentoring, developer advocacy, innovation, and collaboration across Mastercard Foundry and the broader organization.
Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Senior Software Engineer
Mastercard Foundry R&D is seeking a Senior Software Engineer who is AI-native by default. This role is for an engineer who uses AI in every aspect of daily work- coding, design, planning, reviews, and ideation.
You will contribute to the development of innovative solutions, focusing on new product ideation, concept creation, and presenting solutions to various stakeholders. As a collaborative team member, you will leverage advanced AI tools and methodologies to accelerate innovation and bring products to market more rapidly, working closely with colleagues to drive impactful outcomes across Foundry and the wider Mastercard organisation.
Role & Responsibilities
- Work AI-first across the full SDLC: coding, design, planning, reviews, and innovation - Design and build Agentic AI systems (multi-agent workflows, tool-using agents, orchestration)
- Apply and evolve emerging standards such as AGENTS.md, MCP, and SKILLS
- Evaluate and select AI models with clear understanding of trade-offs (cost, latency, reliability, capability)
- Build scalable, production-ready software and integrations
- Act as an AI Developer Advocate:
- Deliver demos, thought leadership, and workshops
- Present to engineering leadership and C-suite audiences
- Stay current with AI market trends, frameworks, and emerging technologies
Required Experience
- Strong understanding of MCP, AGENTS.md, SKILLS, tool-calling patterns
- Experience with modern AI tooling such as:
- GitHub Copilot
- Claude (UI, CLI, Claude Code)
- OpenAI / Codex-style tooling
Software Engineering
- Expert experience with RESTful APIs, Web standards and related security principles.
- Java (JDK 17+ / Spring Boot), Python, Shell scripting
- Strong experience with UI frameworks such React (ideally Next.js), Angular etc. - Docker, Kubernetes, CI/CD pipelines, SonarQube, Prisma
About You
- AI is how you work, not a side interest
- Comfortable operating in R&D and early-stage environments
- Strong communicator who can explain AI concepts to engineers and executives
- Passionate about developer experience, code quality, and innovation
- Enjoys mentoring and raising the engineering bar for others
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Senior Software Engineer
Mastercard Foundry R&D is seeking a Senior Software Engineer who is AI-native by default. This role is for an engineer who uses AI in every aspect of daily work- coding, design, planning, reviews, and ideation.
You will contribute to the development of innovative solutions, focusing on new product ideation, concept creation, and presenting solutions to various stakeholders. As a collaborative team member, you will leverage advanced AI tools and methodologies to accelerate innovation and bring products to market more rapidly, working closely with colleagues to drive impactful outcomes across Foundry and the wider Mastercard organisation.
Role & Responsibilities
- Work AI-first across the full SDLC: coding, design, planning, reviews, and innovation - Design and build Agentic AI systems (multi-agent workflows, tool-using agents, orchestration)
- Apply and evolve emerging standards such as AGENTS.md, MCP, and SKILLS
- Evaluate and select AI models with clear understanding of trade-offs (cost, latency, reliability, capability)
- Build scalable, production-ready software and integrations
- Act as an AI Developer Advocate:
- Deliver demos, thought leadership, and workshops
- Present to engineering leadership and C-suite audiences
- Stay current with AI market trends, frameworks, and emerging technologies
Required Experience
- Strong understanding of MCP, AGENTS.md, SKILLS, tool-calling patterns
- Experience with modern AI tooling such as:
- GitHub Copilot
- Claude (UI, CLI, Claude Code)
- OpenAI / Codex-style tooling
Software Engineering
- Expert experience with RESTful APIs, Web standards and related security principles.
- Java (JDK 17+ / Spring Boot), Python, Shell scripting
- Strong experience with UI frameworks such React (ideally Next.js), Angular etc. - Docker, Kubernetes, CI/CD pipelines, SonarQube, Prisma
About You
- AI is how you work, not a side interest
- Comfortable operating in R&D and early-stage environments
- Strong communicator who can explain AI concepts to engineers and executives
- Passionate about developer experience, code quality, and innovation
- Enjoys mentoring and raising the engineering bar for others
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
- Abide by Mastercard's security policies and practices;
- Ensure the confidentiality and integrity of the information being accessed;
- Report any suspected information security violation or breach, and
- Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.
Mastercard Dublin, Dublin, IRL Office
One South County, South County Business Park, Dublin, Dublin, Ireland, D18
Similar Jobs at Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Build and lead scalable full-stack, data-intensive applications for analytics, experimentation, and decision-making. Responsibilities include team-level system design, distributed systems and API development, Databricks and Spark data processing, AI-powered agentic products using LLMs, performance optimization, cloud-native deployment, troubleshooting, secure coding, observability, CI/CD, and mentoring engineers.
Top Skills:
SparkAutomated TestingAWSCi/CdContainerizationDatabricksDockerJavaKubernetesLarge Language ModelsMicroservicesAzureObservabilityPysparkPythonReactRestful ApisSpring BootSQLTypescript
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Build and lead scalable full-stack, data-intensive applications and AI-powered products using distributed systems, cloud technologies, Databricks, Spark, and LLMs. Responsibilities include system design, API and service development, performance optimization, mentoring engineers, technical troubleshooting, secure coding, testing, observability, CI/CD, and cross-functional collaboration. The role guides team-level architecture and delivers reliable analytics-driven solutions for global customers.
Top Skills:
SparkAWSAzureCi/CdDatabricksDockerJavaKubernetesLarge Language Models (Llms)MicroservicesObservabilityOrchestration FrameworksPysparkPythonReactRest ApisRetrieval SystemsSpring BootSQLTypescript
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Build and lead full-stack, data-intensive, analytics-driven applications for business experimentation and decision-making. Responsibilities include system design, distributed systems development, Databricks and Spark data processing, AI and LLM-powered products, performance optimization, cloud-native deployment, troubleshooting, testing, security, observability, CI/CD, and mentoring engineers.
Top Skills:
SparkAWSAzureCi/CdDatabricksDockerJavaKubernetesLarge Language ModelsMicroservicesOrchestration FrameworksPysparkPythonReactRest ApisRetrieval SystemsSpring BootSQLTypescript
What you need to know about the Dublin Tech Scene
From Bono and Oscar Wilde to today's tech leaders, Dublin has always attracted trailblazers, with more than 70,000 people working in the city's expanding digital sector. Continuing its legacy of drawing pioneers, the city is advancing rapidly. Ireland is now ranked as one of the top tech clusters in the region and the number one destination for digital companies, with the highest hiring intention of any region across all sectors.
