Find Principal software engineer Jobs in Ireland

Principal Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- AI
- Leadership
Principal Software Engineer, AWS Lambda
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- C++
Principal Mechanical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Remote
Principal Civil Engineer
Mott MacDonald —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Master's degree
- Project management
- Annual leave
- Life insurance
Principal Engineer
Sweco UK —Cork, County Cork
- Hybrid work
- AutoCAD
- CAD
- Recruiting
- Employee assistance program
- Employee discount
Principal DevOps Engineer - Decision Management Platform
Mastercard —Dublin, County Dublin
- Full-time
- DevOps
- Java
- AWS
Power Systems Engineer - Dublin or Cork
ENGIE —DUBLIN 2, County Dublin
- Hybrid work
- English
- Construction experience
- In-person
- Annual leave
Lead Senior Geotechnical Engineer
Amey Ltd —DUBLIN 1, County Dublin
- Annual leave
- Gym membership
Quick apply
Principal Enterprise AI Program Manager
Analog Devices —Limerick, County Limerick
- Full-time
- Azure
- Computer Science
- Engineering
Principal Customer Success Manager, Enterprise
Intercom —Dublin, County Dublin
- Hybrid work
- AI
- Work from home
Power Systems Engineer - Dublin or Cork
Tractebel —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- English
- Construction experience
- In-person
- Annual leave
Core Agentic Solutions Lead Architect - EA Experiences
Electronic Arts (EA) —Galway, County Galway
- Full-time
- Azure
- Java
- Master's degree
- Annual leave
6d
Core Agentic Solutions Lead Architect - EA Experiences
Electronic Arts —Galway, County Galway
- Azure
- Java
- Master's degree
- Annual leave
7d
Staff Systems Engineer (AI and DSP) - Cork, Ireland
Qualcomm —Cork, County Cork
- Doctoral degree
- Engineering
- System design
- Employee stock purchase plan
Senior Engineering Manager
Bentley Systems —Remote
- Full-time
- Remote
- Communication skills
5d
GPU Performance Verification Engineer - Cork, Ireland
Qualcomm —Cork, County Cork
- Doctoral degree
- Computer Science
- Engineering
- Employee stock purchase plan
Lead Senior Signalling Engineer
Amey Ltd —DUBLIN 1, County Dublin
- Annual leave
Quick apply
Data Analytics and AI Team Lead
Spanish Point Technologies —Clontarf, County Dublin
- Spanish
- Azure
- Computer Science
Product Security Engineer, Senior - Vulnerability Management Research and Automation - Cork, Ireland
Qualcomm —Cork, County Cork
- Doctoral degree
- Computer Science
- Engineering
- Employee stock purchase plan
FPGA Emulation Engineer - Senior Staff - Cork, Ireland
Qualcomm —Cork, County Cork
- Doctoral degree
- Computer Science
- Engineering
- Employee stock purchase plan

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Principal Software Engineer

Mastercard -
Dublin, County Dublin

Apply Now

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 jobs in ireland

Principal Software Engineer

Principal Software Engineer, AWS Lambda

Principal Mechanical Engineer

Principal Civil Engineer

Principal Engineer

Principal DevOps Engineer - Decision Management Platform

Power Systems Engineer - Dublin or Cork

Lead Senior Geotechnical Engineer

Principal Enterprise AI Program Manager

Principal Customer Success Manager, Enterprise

Power Systems Engineer - Dublin or Cork

Core Agentic Solutions Lead Architect - EA Experiences

Core Agentic Solutions Lead Architect - EA Experiences

Staff Systems Engineer (AI and DSP) - Cork, Ireland

Senior Engineering Manager

GPU Performance Verification Engineer - Cork, Ireland

Lead Senior Signalling Engineer

Data Analytics and AI Team Lead

Product Security Engineer, Senior - Vulnerability Management Research and Automation - Cork, Ireland

FPGA Emulation Engineer - Senior Staff - Cork, Ireland

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