Find Principal engineer Jobs in Blackrock, D

Principal Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- AI
- Leadership
Product Deployment Engineer Manager, gTech
Google —Dublin, County Dublin
- €182,000–€197,000 a year
- Full-time
- Java
- Master's degree
- SQL
13d
Principal Engineer (Transportation)
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Hybrid work
- Engineering
- Communication skills
Principal Data Scientist
Optum —Dublin, County Dublin
- Full-time
- Computer Science
- Research
- Master's degree
Principal Electrical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Project management
- Electrical Engineering
Principal DevOps Engineer - Decision Management Platform
Mastercard —Dublin, County Dublin
- Full-time
- DevOps
- Java
- AWS
Principal Mechanical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Remote
Principal Security Engineer, AWS Security
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Leadership
- Python
Principal Software Engineer, AWS Lambda
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- C++
Software Architect
Holafly —Dublin, County Dublin
- Remote
- Spanish
- System design
- English
Automation Controls Engineer
GREATECH —DUBLIN 15, County Dublin
- Holidays
- No degree
- Communication skills
- HTML
- Referral programme
Principal Engineer – Galway, Ireland (Hybrid )
Hadfield Green —DUBLIN 2, County Dublin
- Full-time
- C++
- AI
Bridges Engineer
Amey Ltd —DUBLIN 1, County Dublin
- €45,000–€55,000 a year
- Master's degree
- Bachelor's degree
- Annual leave
- Gym membership
Quick apply
Principal Development Infrastructure Engineer (Civil)
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- AutoCAD
12d
Principal Engineer (Highways & Active Travel)
SYSTRA —Dublin, County Dublin
- Project management
- Construction experience
- In-person
- Work from home
Principal Engineer, Grid Insights Lead
Analog Devices —Glasnevin, County Dublin
- Full-time
- Computer Science
- Master's degree
- C++
Principal Software Engineer, Amazon DynamoDB
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Software development
- SDLC
Principal Traffic Engineer (Active Travel & Urban Transport)
Jacobs —Dublin, County Dublin
- Hybrid work
- Engineering
- Mentoring
- Leadership
- Annual leave
Principal Mechanical Engineer – Building Services
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Engineering
- HVAC
- Business
12d
Senior/Principal System Safety Engineer - Rail
WSP —Dublin, County Dublin
- Part-time
- Hybrid work
- Work from home
- Gym membership

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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 engineer jobs in blackrock, d

Principal Software Engineer

Product Deployment Engineer Manager, gTech

Principal Engineer (Transportation)

Principal Data Scientist

Principal Electrical Engineer

Principal DevOps Engineer - Decision Management Platform

Principal Mechanical Engineer

Principal Security Engineer, AWS Security

Principal Software Engineer, AWS Lambda

Software Architect

Automation Controls Engineer

Principal Engineer – Galway, Ireland (Hybrid )

Bridges Engineer

Principal Development Infrastructure Engineer (Civil)

Principal Engineer (Highways & Active Travel)

Principal Engineer, Grid Insights Lead

Principal Software Engineer, Amazon DynamoDB

Principal Traffic Engineer (Active Travel & Urban Transport)

Principal Mechanical Engineer – Building Services

Senior/Principal System Safety Engineer - Rail

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