Mastercard

FinTech

LeadSoftwareEngineer

€115–165k ~AI est. Dublin, Leinster, Ireland FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Lead candidates.

The Brief

“Lead Software Engineer at Mastercard. Skills: AI solutions, LLM systems, Vector search, Cloud platforms. Design AI-powered solutions. Develop AI-powered solutions”

Industry & Context.

FinTech
Problems you'll solve

Problem-solving; Analytical thinking

What They're Looking For.

Must Have

10 to 15 years in software engineering, Proficiency in Python, Experience building scalable backend systems, Hands-on experience with LLM frameworks, Experience building RAG-based systems, Expertise in designing knowledge bases, Experience working with embedding models, Experience with cloud platforms, Familiarity with Cloudera, Familiarity with Databricks, Solid understanding of system design, Solid understanding of APIs, Solid understanding of microservices architecture

Nice to Have

Experience with Model Context Protocol, Experience with AI orchestration frameworks, Experience with vector databases, Familiarity with MLOps practices, Knowledge of containerization, Knowledge of orchestration, Experience in regulated enterprise environments

What You'll Do.

Design AI-powered solutions

Develop AI-powered solutions

Deliver AI-powered solutions

Build knowledge bases

Maintain knowledge bases

Develop LLM-driven applications

Architect scalable solutions

Architect secure solutions

Collaborate cross-functionally

Translate business needs

Develop microservices

Maintain microservices

Ensure solutions adhere

Monitor model performance

Optimize model performance

Contribute to discussions

Mentor junior engineers

Promote engineering best practices

How You'll Work.

Team & Collaboration

Cross-functionally with product; Cross-functionally with engineering; Cross-functionally with data teams

Communication Scope

Stakeholder engagement

Full Job Description

**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** ### Lead Software Engineer ### Overview The Program Modernization team at MasterCard drives transformation and champions modernization across technology, risk, and service operations. We establish the foundation for scalable programs, resilient systems and control governance that empowers transformation. The mission of the Technology Modernization team is to enable all the Mastercard programs across the organization to thrive in an evolving regulatory environment by fostering a culture of strong technology controls and effective execution. The team designs and delivers innovative, data-driven solutions that fulfill assurance obligations and regulatory requirements by proactively identifying risks, build real-time tools that leverage technology to continuously test and monitor the control environment. These capabilities enables audit-ready compliance portal for inventorying, managing, testing, and evidencing technology controls. Mastercard is committed to driving innovation through advanced technologies and data-driven insights. We are seeking a Lead Engineer to design and deliver scalable, enterprise-grade AI solutions that enhance our digital capabilities and customer experiences. This role will focus on building intelligent, production-ready systems leveraging large language models (LLMs), knowledge bases with vector search, and modern cloud/data platforms, while ensuring alignment with Mastercard’s standards for security, performance, a

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