Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior AI Engineer

Full-time

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

Senior AI Engineer

Overview
Mastercard is seeking a Senior AI Engineer to design, build, and deploy high‑quality AI solutions that support key business and product initiatives. This role is hands‑on and delivery‑focused, contributing directly to the development of production AI systems while collaborating closely with product, data, and engineering partners.
As a Senior AI Engineer, you will work on well‑scoped AI initiatives, applying advanced machine learning and software engineering practices to move models from experimentation into reliable, performant production systems. This role represents a critical technical contributor level, with opportunities to grow toward technical leadership and broader system ownership.

Role
In this role, you will be responsible for building and operationalizing AI solutions
Key responsibilities include:

Design, develop, and deploy AI and machine learning models to solve defined business and product problems
Contribute to the development and optimization of transformer‑based and generative AI models, including fine‑tuning, evaluation, and inference workflows
Build and maintain data pipelines, feature engineering logic, and training workflows in collaboration with data engineering teams
Implement model serving and inference solutions, integrating models into downstream applications and APIs
Apply MLOps best practices, including experiment tracking, versioning, automated testing, monitoring, and model performance evaluation
Participate in code reviews, design discussions, and technical planning to ensure high‑quality, maintainable solutions
Collaborate with product managers and stakeholders to translate requirements into technical implementations
Support troubleshooting and performance tuning of models and AI systems in production environments
Continuously improve technical skills and stay current with advances in AI, ML frameworks, and engineering practices

All About You
Solid experience developing machine learning or AI solutions and deploying them into production environments
Strong proficiency in Python and experience with ML frameworks such as PyTorch and/or TensorFlow
Hands‑on experience with transformer‑based models (e.g. BERT‑style encoders, generative models, embeddings, or similar architectures)
Experience working with data pipelines and datasets, including data preparation, feature engineering, and training data management
Familiarity with cloud platforms (AWS, Azure, or GCP) and cloud‑based ML tooling
Working knowledge of MLOps practices, including model deployment, monitoring, and lifecycle management
Strong software engineering fundamentals, including version control, testing, and code quality practices
Ability to collaborate effectively within cross‑functional teams and follow established architectural and engineering standards
Clear communicator with a growth mindset and interest in progressing toward broader technical ownership
Bachelor’s degree or equivalent practical experience in computer science, engineering, data science, or a related field 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.
Vacancy posted a month ago
Similar jobs that could be interesting for youBased on the Senior AI Engineer in Ireland vacancy
  •  ...of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior AI Engineer-1 Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power... 
    Senior
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...accurate, trusted, and acted upon - not just looked at. Keep the AI in our BI sharp Continuously train and improve our BI tool’s (...  ...the steward of how well our BI tool thinks. Partner with data engineering to optimise performance, and build what's missing Own and maintain... 
    Senior
    Full time

    Primer

    Ireland
    6 days ago
  •  ...accurate, trusted, and acted upon - not just looked at. Keep the AI in our BI sharp Continuously train and improve our BI tool’s...  ...steward of how well our BI tool thinks. Partner with data engineering to optimise performance, and build what's missing Own and... 
    Senior
    Full time

    Primer

    Ireland
    19 days ago
  •  ...making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. We use Artificial Intelligence (AI) to help make our hiri...
    Senior
    Full time
    Remote work
    Worldwide

    Twilio

    Ireland
    6 days ago
  • QCP is Asia's leading digital asset partner, empowering clients to seamlessly integrate digital assets into their portfolios. We offer a comprehensive range of solutions - from spot on/off ramping and fixed income strategies to vanilla options and bespoke exotics. ...
    Senior
    Remote job
    Full time
    Casual work
    Flexible hours

    QCP Capital

    Ireland
    3 days ago
  •  ...services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview The CNPF Data & AI organisation is looking for an exceptional Senior Software Engineer to help build the next generation of... 
    Senior
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...Twilio is in your hands. We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every...  ...Twilions! See yourself at Twilio Join the team as Twilio’s next Senior Software Engineer. About the job This position will be part of a team of... 
    Senior
    Full time
    Work experience placement
    Remote work
    Worldwide

    Twilio

    Ireland
    26 days ago
  •  ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview Mastercard is a global technology company in the payments industry, focused on powering an inclusive, digital... 
    Senior
    Full time
    Worldwide

    Mastercard

    Ireland
    12 days ago
  •  ...and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Vice President – Software Engineering, Commercial Acceptance Senior Vice President – Software Engineering, Commercial Acceptance Overview The... 
    Senior
    Full time
    Worldwide

    Mastercard

    Ireland
    19 hours ago
  •  ...Consistently decorated with prestigious awards—including Best Engineering Team, Best Company for Diversity, and top rankings for Work-Life...  ...a highly autonomous, systems-fluent, and protocol-proficient Senior C++ Engineer to join our Software for Open Networking in the... 
    Senior
    Permanent employment
    Full time
    Remote work
    Home office
    Shift work

    Arista Networks

    Ireland
    a month ago
  •  ...Job Summary   We are looking for a Senior Splunk Developer to design, build, and optimize...  ...audits. Mentor junior Splunk engineers and contribute to Splunk‑related practices...  ...innovation. We are one of the world's leading AI and digital infrastructure providers, with... 
    Senior
    Work at office
    Remote work
    Flexible hours

    NTT DATA, Inc.

    Ireland
    14 days ago
  •  ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Platform Engineer Overview: As a Senior Platform Engineer (specializing in Communication Server), you will be responsible for maintaining... 
    Senior
    Full time
    Worldwide
    Weekend work

    Mastercard

    Ireland
    19 days ago
  •  ...Title and Summary Vice President & Founding Technology Lead, AI Engineering & Consulting Platforms Overview: At Mastercard, our industry...  ...Lead, AI Engineering & Consulting Platforms will serve as the senior technology partner accelerating our consulting transformation... 
    Full time
    Worldwide

    Mastercard

    Ireland
    10 days ago
  •  ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to connect and power an inclusive, digital economy that... 
    Senior
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...governments realize their greatest potential. Title and Summary Senior Information Security Engineer Who is Mastercard? Mastercard is a global...  ...Windows and Linux systems • Basic knowledge related to AI, GenAI, LLMs and business automation with AI. • Working... 
    Senior
    Full time
    Work experience placement
    Worldwide

    Mastercard

    Ireland
    5 days ago
  • About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of headless architecture, and experience leading enterprise-scale development initiatives. You'll be responsible for building scalable,... 
    Senior
    Full time

    Remote Talent LATAM

    Ireland
    6 days ago
  •  ...their greatest potential. Title and Summary Principal Software Engineer About Mastercard Mastercard powers a global, inclusive...  ...discipline (PDLC) to ensure quality and delivery at scale Apply AI and automation to improve how software is built, tested, and delivered... 
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  • As a Principal Cloud Security Engineer at LastPass, you will partner with DevOps and CI/CD engineers and our Architects team to ensure security best practices are embedded across our cloud infrastructure. We are looking for an experienced security engineering leader with... 
    Full time

    Lastpass

    Ireland
    6 days ago
  •  ...the job We're looking for an experienced, technically strong Engineering Manager to lead our Voice Media team. You'll drive the technical...  ...communications technology. Responsibilities Lead a team of senior engineers developing Twilio's next-generation media processing... 
    Senior
    Full time

    Twilio

    Ireland
    6 days ago
  •  ...About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp...  ...and async collaboration. Comfortable mentoring other engineers and leading by example. Passionate about eCommerce innovation... 
    Senior
    Full time

    Remote Talent LATAM

    Ireland
    21 days ago
  • About the role We are looking for a Senior Product Manager to own and evolve Create & Design, the product where every Typeform begins. Every...  ...or lost. As Typeform expands beyond forms into new surfaces and AI powered experiences, the builder needs to evolve too. The... 
    Senior
    Full time

    Typeform

    Ireland
    6 days ago
  •  ...and internal teams, shaping and optimizing our global benefits provisions across a diverse portfolio of international markets. As a Senior Specialist , you operate with a high degree of autonomy and commercial acumen. You are the vital connector between our global... 
    Senior
    Contract work

    Oyster

    Ireland
    6 days ago
  • An overview of this role As a Senior Benefits Analyst on GitLab's Total Rewards team, you'll help design, administer, and improve our global benefits programs. You'll combine hands-on benefits operations with program assessment, vendor and broker partnerships, and cross... 
    Senior
    Full time
    Local area

    GitLab

    Ireland
    6 days ago
  •  ...important workflows. Our intelligent workflow platform applies AI, automation, and integration with human ingenuity to drive real...  ...highest-priority goals faster. And because Tines is secure and private by design, it’s popular with security, IT, engineering, finance, an...
    Senior
    Full time

    Tines

    Ireland
    6 days ago
  • Key Responsibilities Complex employee relations (ER) matters Act as a senior HR expert for complex employee relations (ER) matters across your allocated countries, with particular in-depth knowledge across multiple European countries. Provide pragmatic, solutions-focused... 
    Senior
    Full time
    Local area

    Oyster

    Ireland
    6 days ago
  • The Opportunity We build Pyroscope , the open-source continuous profiling database behind Grafana Cloud Profiles. Pyroscope gives engineers code-level visibility into how their applications use CPU and memory, down to the specific line of code, and connects that signal... 
    Senior
    Full time
    Shift work

    Grafanalabs

    Ireland
    6 days ago
  • We are seeking a commercially minded Senior Legal Counsel to join our growing legal team and support the company's global sales organisation. This is a highly collaborative role that requires strong partnership with Sales and other business stakeholders, providing pragmatic... 
    Senior
    Full time

    Veeamsoftware

    Ireland
    6 days ago
  •  ...services that help people, businesses and governments realize their greatest potential. Title and Summary Principal Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits... 
    Full time
    Worldwide
    Flexible hours

    Mastercard

    Ireland
    21 days ago
  •  ...and services that help people, businesses and governments realize their greatest potential. Title and Summary Principal DevOps Engineer - Decision Management Platform Overview Join Mastercard’s Services Technology organization as a DevOps Principal Engineer for... 
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...realize their greatest potential. Title and Summary Software Engineer – DevOps / SRE Overview The Mastercard Authentication team...  ...reliability practices. Experience developing and integrating AI-driven workflows and automation for use cases such as incident analysis... 
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior AI Engineer. Be the first to apply!