Find Principal software engineer, aws lambda Jobs in Clontarf, D

Principal Software Engineer
Mastercard —Dublin, County Dublin
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Bank of Ireland —Dublin, County Dublin
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iCims —DUBLIN 2, County Dublin
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AtkinsRéalis —Dublin, County Dublin
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Staff Engineer
Solance —Dublin, County Dublin
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Senior Cost Engineer
Turner & Townsend —Dublin, County Dublin
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Quick apply
Kernel / Hypervisor Engineer, Firecracker
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Echelon DC —Dublin, County Dublin
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Principal Customer Success Manager, Enterprise
Intercom —Dublin, County Dublin
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AtkinsRéalis —Dublin, County Dublin
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AtkinsRéalis —Dublin, County Dublin
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Engineer
Amey Ltd —DUBLIN 1, County Dublin
- €45,000–€55,000 a year
- Master's degree
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Quick apply
Sr. Product Design Engineer, Data Center Engineering - Electrical Products and Services
Amazon Data Services Ireland Limited —Dublin, County Dublin
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Sisk —Dublin, County Dublin
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AECOM —Dublin, County Dublin
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Principal Software Engineer

Mastercard -
Dublin, County Dublin

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Job details

Full-time

Qualifications

Microservices
Distributed systems
AI
Leadership

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

Principal Software Engineer

About Mastercard

Mastercard powers a global, inclusive digital economy. We build secure, scalable technology that enables fast, simple, and safe payments for people and businesses everywhere.

The Opportunity

We’re looking for a Principal Software Engineer to play a key role in shaping our Intelligent Dispute Platform (IDP) — a next-generation platform transforming how disputes are managed at global scale.

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, mission-critical workloads
Act as a technical authority, guiding architecture and key engineering decisions
Drive engineering excellence across development, testing, security, and reliability
Embed strong development lifecycle discipline (PDLC) to ensure quality and delivery at scale
Apply AI and automation to improve how software is built, tested, and delivered
Partner across teams to solve complex problems and deliver outcomes quickly
Mentoring engineers and raising the bar for technical excellence

What We’re Looking For

Proven experience building large-scale distributed systems
Strong background in microservices, APIs, cloud platforms, and modern engineering practices
Ability to operate with urgency, make decisions quickly, and adapt to change
Exceptional problem-solving skills — especially in ambiguous, high-pressure situations
Experience influencing across teams and driving technical strategy at scale
Interest or experience in applying AI to software engineering workflows

Why Join Us?

Work on high-impact, global-scale systems
Be part of a team defining the future of AI-enabled engineering
Collaborate with top engineering talent across Mastercard
Shape platforms that power critical financial infrastructure worldwide

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.

Apply Now

Refine Your Search

principal software engineer, aws lambda jobs in clontarf, d

Principal Software Engineer

Senior Cloud Platform Engineer

EMEA Data & Digital Program Manager

Principal Engineer, Component Engineering

Principal Civil Engineer – HV Substations

Principal HV Design Engineer

Principal Engineer

Principal Data Scientist

Principal Electrical Engineer

Staff Engineer

Senior Cost Engineer

Kernel / Hypervisor Engineer, Firecracker

Electrical, Controls and Instrumentation Lead

Principal Customer Success Manager, Enterprise

Principal Mechanical Engineer

Bridge Engineer

Engineer

Sr. Product Design Engineer, Data Center Engineering - Electrical Products and Services

Speculative Energy Candidates

Principal Landscape Architect

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