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  •  ...retries, caching, and fault tolerance Collaborate with AI engineers to integrate models into production systems while abstracting complexity for downstream consumers Work with DevOps and platform teams to implement CI/CD pipelines, deployment patterns, and... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    6 hours agonew
  •  ...for security monitoring, incident response, and operational analytics to meet Business and Client requirements. Build and manage complex SPL queries, macros, lookups, and correlation searches to detect threats and performance issues. Configure and maintain Splunk... 
    Suggested
    Work at office
    Remote work
    Flexible hours

    NTT DATA, Inc.

    Ireland
    3 days ago
  •  ...development of advanced AI solutions that drive innovation and deliver measurable impact across the business. This role involves leading complex AI initiatives, architecting scalable machine learning systems, and mentoring a team of engineers and data scientists. The ideal... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    4 days ago
  •  ...accountability for outcomes, not just tasks • You are a creative and analytical problem solver who can navigate ambiguity and turn complex challenges into elegant solutions • You are excited by the opportunity to build and scale agentic applications and AI-enabled... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    7 days ago
  •  ...technical skills and understanding of project requirements • Troubleshoot and resolve basic to moderate system issues, escalating more complex problems as needed. • Participate in team meetings and knowledge-sharing sessions to enhance technical understanding. Role... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    8 days ago
  •  ...This involves ensuring that configurations and PKI certificates are backed up and renewed. • Troubleshooting: Identify and resolve complex network and application traffic issues, often involving performance, resilience, and security. • Interact with the engineering... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    10 days ago
  •  ...This is a high-impact role where you’ll combine deep technical expertise, architectural leadership, and a bias for action to solve complex challenges in a fast-moving environment. What You’ll Do Lead the design of scalable, cloud-native platforms handling high-volume... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    14 days ago
  •  ...distributed project team. • Good knowledge of Agile software development processes. • Experience with the design and development of complex, multi-tier software solutions. • Comfortable working in a Linux environment, using VI editor and general command line... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    14 days ago
  •  ...working in an Agile development environment. • Excellent verbal and written communication skills, with the ability to articulate complex ideas clearly and concisely to both technical and non-technical stakeholders. • Strong analytical and problem-solving abilities,... 
    Suggested
    Full time
    Worldwide
    3 days per week

    Mastercard

    Ireland
    15 days ago
  •  ...influence architecture choices that enable scale, reuse, and faster delivery • Collaborate across teams and business units to solve complex business and engineering problems with practical, high-impact solution • Keep senior stakeholders informed of progress, risks,... 
    Suggested
    Full time
    Temporary work
    Worldwide

    Mastercard

    Ireland
    16 days ago
  •  ...network. • Develops sophisticated multivariate models and analytic solutions (e.g., dashboards, machine learning models), utilizing complex statistical and data science techniques and methods. • Self-stater that can work independently with ambiguous requirements and... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    17 days ago
  •  ...Responsibilities Develop and execute short-term and medium-term strategic plans for Quality Engineering Lead the design and delivery of complex testing solutions across full-stack applications, data systems, and infrastructure Drive test automation strategy — define what... 
    Suggested
    Full time
    Temporary work
    Worldwide
    Shift work
    Early shift

    Mastercard

    Ireland
    17 days ago
  •  ...decisions • Customers who go live feel supported, not abandoned — and that experience is consistent regardless of their size or complexity • Usage signals reliably surface expansion opportunities, contributing directly to platform growth • Customers stay longer,... 
    Suggested
    Full time
    Live in
    Worldwide

    Mastercard

    Ireland
    18 days ago
  •  ...outcomes. • Strong executive communication and stakeholder management skills, with the ability to influence strategy and explain complex technical trade-offs clearly. • Bachelor’s degree in Computer Science, Software Engineering, or a related technical field; advanced... 
    Suggested
    Full time
    Worldwide

    Mastercard

    Ireland
    18 days ago
  •  ...adaptable, and forward-thinking organization, apply now. Purpose & Accountability –  Responsible for the management & delivery of complex multi-stream projects in accordance with Project Management Methodology, including managing project scope, schedule, financials,... 
    Suggested
    Work at office
    Remote work
    Flexible hours

    NTT DATA, Inc.

    Ireland
    29 days ago
  •  ...strategic initiatives by providing technical expertise and leadership within the Site Reliability Engineering discipline to analyze complex problems and provide novel solutions and/or improvements. • Guide the team in automating routine tasks, troubleshooting complex... 
    Full time
    Worldwide
    Shift work

    Mastercard

    Ireland
    8 days ago
  •  ...Contribute to operability engineering, including observability, monitoring, and system reliability Troubleshoot and resolve complex issues across systems, ensuring minimal disruption and high system availability Continuously identify opportunities to improve engineering... 
    Full time
    Worldwide
    Flexible hours
    Shift work

    Mastercard

    Ireland
    22 days ago
  •  ...that is building industry leading solutions for fighting fraud? • Do you want to learn cutting edge technologies and help solve complex business problems? • Do you have creative problem-solving techniques? • Are you motivated to be a part of an organisation that... 
    Full time
    Work experience placement
    Worldwide

    Mastercard

    Ireland
    23 days ago
  •  ...reliability The balance between manual testing and automation is typically around 50/50, but may vary depending on the feature, its complexity, and delivery phase. WHAT WILL YOU DO Own testing for assigned features as part of a feature team Perform manual and... 
    Full time
    Worldwide

    Mastercard

    Ireland
    24 days ago
  •  ...consulting, financial services, strategy, or operations — ideally in financial services, fintech, or crypto ~ Proven experience leading complex, multi-stakeholder initiatives with a commercial or regulatory focus ~ Commercially astute — connects regulatory compliance with... 
    Remote job
    Full time
    Local area

    Kraken

    Ireland
    11 days ago
  •  ...infrastructure architecture principles, including lifecycle management, governance and operational readiness. Ability to lead teams through complex technical problems, with a proven track record in root cause analysis (RCA) across multi‑disciplinary engineering groups. Strong... 
    Full time
    Worldwide

    Mastercard

    Ireland
    14 days ago
  •  ...a fast‑moving, evolving AI landscape with ambiguity and shifting priorities Excellent communication skills, able to articulate complex AI concepts to both technical and non‑technical audiences Corporate Security Responsibility All activities involving access to Mastercard... 
    Full time
    Worldwide
    Shift work

    Mastercard

    Ireland
    28 days ago
  •  ...optimisation Partner with AI engineering teams to ensure seamless integration of models into production systems, abstracting complexity for downstream consumers Manage DevOps and platform teams to ensure strong CI/CD pipelines, deployment patterns, and operational... 
    Full time
    Worldwide
    Shift work

    Mastercard

    Ireland
    28 days ago
  •  ...at senior levels. Beyond day-to-day operations, this role offers the opportunity to build durable systems that last, translating complex customer signals into clear, scalable interventions that empower teams and improve outcomes. It is an ideal role for someone who... 
    Full time
    Worldwide

    Mastercard

    Ireland
    18 days ago
  •  ...that is building industry leading solutions for fighting fraud? · Do you want to learn cutting edge technologies and help solve complex business problems? · Do you have creative problem-solving techniques? · Are you motivated to be a part of an organisation that... 
    Full time
    Local area
    Worldwide

    Mastercard

    Ireland
    29 days ago
  •  ...is integrated into a unified, single-pane-of-glass view. Build custom dashboards to investigate and perform root cause analysis on complex issues. Lead regular incident reviews with internal support teams to ensure root causes are identified. When patterns of failure... 
    Full time
    Worldwide

    Mastercard

    Ireland
    29 days ago
  •  ...reports, etc. • Provide automation tests for operations teams to use in Ci/Cd automated quality gates. • Identify and implement complex automation efforts, including refactoring of automation code where needed. • Provide technical training to the other team members... 
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...troubleshoot issues. Key Responsibilities Technical Leadership & Troubleshooting • Serve as the lead escalation point for complex network circuit issues including DIA, MPLS, Ethernet, DWDM, backbone, and last-mile connectivity. • Perform advanced fault isolation... 
    Full time
    Worldwide

    Mastercard

    Ireland
    24 days ago
  •  ...oriented approach for high performance and availability. Plan and manage medium to large sized Fraud projects of moderate to high complexity while ensuring project results contribute positive business value and meet agreed on scope, cost, schedule and quality objectives... 
    Full time
    Worldwide

    Mastercard

    Ireland
    25 days ago
  •  ...scale globally but behave locally Evolving platforms while introducing breaking changes safely Keeping architecture clean as complexity grows across regions and products Enforcing standards without slowing delivery Architecture is central to how we solve... 
    Full time
    Worldwide

    Mastercard

    Ireland
    26 days ago