Lead Software Engineer

Mastercard Inc.; Dublin; On-site; EUR 120,000 - 180,000; Full time

Job summary

Mastercard is seeking a Lead Software Engineer to drive the design and delivery of innovative AI-enabled solutions for global customers. You will lead architectural decisions, champion automation, and collaborate with engineering, data, product, and operations teams across regions to deliver scalable, secure systems.

The role emphasizes leveraging the latest AI models, modern web technologies, and robust security practices in an Agile environment with distributed teams.

Qualifications

• Proven experience with Java or Python and OO design principles.
• Experience leveraging AI models, tools, and technologies to improve software delivery.
• Experience with modern web technologies (React, Node.js, NPM, Webpack, Jest) is advantageous.
• Strong architecture, security, and scalable design capabilities.
• Proven ability to work in Agile environments with globally distributed teams.

Responsibilities

• Lead the planning, design, and delivery of innovative technical solutions for global internal and external customers.
• Drive innovation and research initiatives from concept through production, leveraging AI to accelerate value.
• Design and implement scalable, secure architectures aligned with enterprise standards.
• Champion automation across the software delivery lifecycle, including build, deployment, monitoring, and operations.
• Collaborate with global engineering, data, product, and operations teams to deliver strategic initiatives.
• Serve as SME for Emerging Data Signals, providing technical leadership for customer integrations.

Skills

Java/Python

AI models usage

Agile delivery

API security

Problem solving

Collaboration

Tools

React

Node.js

NPM

Webpack

Jest

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

• Mastercard Emerging Data Signals is a global product within Mastercard responsible for the delivery of new Innovative solutions by applying the latest AI models and technologies to develop optimized solutions that accelerate business value and operational efficiency.

Role

• Lead the planning, design, and delivery of innovative technical solutions for global internal and external customers.
• Drive innovation and research initiatives from concept through production, leveraging the latest AI models and emerging technologies to deliver optimized solutions that accelerate business value and operational efficiency.
• Design and implement scalable, secure, and resilient technology architectures that align with enterprise standards and strategic objectives.
• Champion automation across the software delivery lifecycle, including build, deployment, configuration, validation, monitoring, and operational support.
• Collaborate closely with global engineering, data, product, and operations teams to successfully execute strategic initiatives and deliver business outcomes.
• Serve as a Subject Matter Expert (SME) for Emerging Data Signals (EDS), providing technical leadership and guidance to support customer integrations and solution adoption.
• Evaluate and incorporate emerging technologies, AI capabilities, and industry best practices to continuously improve platform performance, reliability, and customer experience.

All About You

• Strong Java or Python development expertise with a deep understanding of object-oriented design principles, software architecture, and engineering best practices.
• Demonstrated experience leveraging the latest AI models, tools, and technologies to enhance software development, accelerate delivery, and improve solution quality.
• Experience with one of the modern web technologies, including React, Node.js, NPM, Webpack, or Jest, is advantageous.
• Passion for technical architecture and solution design, ensuring systems are scalable, secure, maintainable, performant, and adaptable to future business needs.
• Proven experience working in Agile environments with globally distributed teams, delivering high-quality software through frequent production releases and continuous deployment practices.
• Knowledge of API design, integration patterns, and security models, including authentication, authorization, and data protection standards, is highly desirable.
• Strong problem-solving and analytical skills with the ability to balance innovation, technical excellence, and business outcomes.
• Excellent collaboration and communication skills, enabling effective engagement with engineering, product, operations, and customer stakeholders across multiple regions.

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.