Founded in 1966, Mastercard is a worldwide transaction, payment-processing, and consulting company best known for its line of personal and business credit cards. As an employer, Ma
Lead AI engineer
Location
Ireland
Posted
1 day ago
Salary
0
Seniority
Senior
Job Description
Lead AI engineer
Mastercard
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 AI engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realise their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview The CNPF Data & AI organisation is looking for a Lead AI Engineering Engineer to drive hands-on delivery of applied AI and agentic capabilities across our platforms. This role sits at the intersection of software engineering, machine learning engineering, and applied data science, with a strong emphasis on building production-grade AI systems. This is a senior individual contributor and technical leadership role. You will lead by example through deep hands-on engineering, influence technical direction, and partner closely with Applied AI, Data Science, and Product teams to take AI solutions from experimentation to secure, scalable production. Role • Lead hands-on development of AI and agentic systems from design through production deployment• Build and operate ML/AI services, pipelines, and APIs using strong software engineering practices• Design and implement ML engineering capabilities such as model serving, monitoring, evaluation, and retraining• Partner with data scientists to productionise models and experiments efficiently• Contribute directly to data preparation, feature engineering, experimentation, and modelling when required• Drive technical design reviews and provide mentorship to engineers and data scientists• Ensure AI solutions meet Mastercard standards for performance, reliability, security, and governance• Collaborate closely with platform, security, and infrastructure teams to ship responsibly at scale All about you • Strong experience as a hands-on AI engineer, ML engineer, or senior software engineer working on production AI systems• Solid foundations in software engineering, system design, and distributed systems• Proven experience productionising machine learning models and operating them at scale• Comfortable working across data engineering, ML engineering, and applied data science tasks• Experience with large-scale data platforms and modern ML/AI tooling• Strong problem-solving skills and ability to work with ambiguous requirements• Ability to influence technical direction without formal people management responsibility• Clear communication skills and comfort collaborating across functions What Makes You Stand Out• You have built and operated AI or agentic applications that run in real production environments• Hands-on experience implementing agent-based or LLM-powered systems beyond simple POCs• Strong intuition for reliability, observability, and failure handling in AI systems• Ability to move fluidly between engineering execution and applied modeling when needed• Track record of raising the technical bar for teams through code, design, and mentorship Corporate Security Responsibility Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks come with an inherent risk to the organisation and therefore it is expected that the successful candidate 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• Complete all mandatory security trainings in accordance with Mastercard's guidelines 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.
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We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements. If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at recruiting@crowdstrike.com for further assistance.
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About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide - including Brex, Rippling, Navan, Qantas, SHEIN and many more - with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 2,200 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you're ready to do the most ambitious work of your career, join us. Attributes We Value We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you're motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero-to-one ideas into real products, and you "get stuff done" end-to-end. You use AI to work smarter and solve problems faster. Here, you'll tackle complex, high-visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let's build what's next. About the team Airwallex's Information Security team partners closely with engineering, IT, and other stakeholders to protect our systems, data, and employees while enabling the business to move quickly. The team helps build and maintain strong security practices across the company-from secure product and infrastructure design to risk reduction, incident response, audits, and compliance-so security is built into how we operate, not treated as a blocker. What you'll do As a Senior Software Engineer working on internal AI tooling, you will be responsible for helping keep $150b+ in payments, 150,000 companies, and our thousands of employees safe. You'll have the opportunity to partner with internal teams to help identify projects that can drive impact - like building internal automation tooling, owning our terabyte-scale log pipelines, and using AI to streamline how our team operates. We're not tied to specific projects, languages, and technology - we rely on smart people diving deep to find the best solutions to hard problems. You'll also be mentoring junior team members and continuing to grow our world-class engineering team. Responsibilities: - Lead the development of AI tools and applications, from inception to implementation. - Support incident response efforts by building ad-hoc tools for threat hunting, remediation and scanners. - Build, monitor, and maintain underlying infrastructure, including Kubernetes clusters, serverless workloads, and ETL pipelines. - Sit with engineers to identify opportunities for automation and tooling development - Partner with product engineering teams to drive security outcomes - such as automation for patching, and development of gateways and other services to decrease risk. - Mentor and help grow other Software Engineers in the team. Who you are - You have a passion for solving the complex challenges within a high-growth start-up. - You are self-motivated, a self starter, and able to learn new skills and dive deeper into existing skills. Minimum qualifications: - Bachelor's degree in Computer Science, Information Security, or a related field. - 8+ years of experience as a Software Engineer. - Experience with production code bases - Experience with at least one scripting language (e.g. Python) and one systems programming language (eg. Golang, C/C++) - Experience with modern cloud infrastructure, including data pipelines, serverless workloads, and Kubernetes - Proven experience working autonomously on projects - delivering them to a high quality and on time. - Excellent communication and interpersonal skills, with the ability to work effectively with both technical and non-technical stakeholders. - Ability to dive deep to find the best solution to a problem - Obsessive curiosity and a willingness to ask questions, gather context, and learn Preferred qualifications: - Experience working in a high-growth tech company. - Hands on experience with AI - specifically leveraging AI to build applications - Experience maintaining Linux operating systems Applicant Safety Policy: Fraud and Third-Party Recruiters To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page. Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. Equal opportunity Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don't regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know. #BI-Hybrid


