Find Principal software engineer Jobs in Smithfield, D

Principal Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- AI
- Leadership
Senior/Principal Software Engineer
RxSense —Dublin, County Dublin
- Java
- AWS
- Agile
Principle DevOps Engineer
Elwood Roberts —Dublin, County Dublin
- €90,000–€96,000 a month
- Full-time
- DevOps
- Java
- Python
Quick apply
Principal Silicon Validation Engineer
Qorvo —DUBLIN 8, County Dublin
- Engineering
- Data analysis skills
- Analysis skills
3d
Principal Architect (Remote – Ireland)
Hadfield Green —DUBLIN 2, County Dublin
- Remote
- System design
- Java
- Leadership
Principal / Lead Geotechnical Engineer
PM Group —Dublin, County Dublin
- Master's degree
- Analysis skills
- Bachelor's degree
Senior Engineering Manager, API Hub
Bentley Systems —DUBLIN 2, County Dublin
- Communication skills
Principal / Lead Structural Engineer
PM Group —Dublin, County Dublin
- Master's degree
- Communication skills
Senior System Safety Engineer
AeroVect —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- Engineering
- Master's degree
2d
Staff/Principal Product Designer
Intercom —Dublin, County Dublin
- Hybrid work
- System design
- Annual leave
- Work from home
Principal Security Engineer, AWS Security
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Leadership
- Python
Staff Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
Lead DevOps Engineer
Elwood Roberts —Dublin, County Dublin
- €500–€600 a day
- Full-time
- DevOps
- Java
- Python
Quick apply
Principal Civil Engineer – HV Substations
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Office
- Communication skills
Senior Software Developer
Creditsafe —Dublin, County Dublin
- Full-time
- Hybrid work
- AWS
- Communication skills
- Python
- Annual leave
Staff Engineer, Site Reliability
LearnUpon —Dublin, County Dublin
- On call
- AWS
- AI
- Annual leave
Principal Electrical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Project management
- Electrical Engineering
Principal/Senior Railway Permanent Way Engineers
Roughan & O'Donovan —Dublin, County Dublin
- English
- Analysis skills
- Project management
Principal Customer Success Manager, Enterprise
Intercom —Dublin, County Dublin
- Hybrid work
- AI
- Work from home
Principal Mechanical Engineer
AtkinsRéalis —Dublin, County Dublin
- Full-time
- Remote

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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 smithfield, d

Principal Software Engineer

Senior/Principal Software Engineer

Principle DevOps Engineer

Principal Silicon Validation Engineer

Principal Architect (Remote – Ireland)

Principal / Lead Geotechnical Engineer

Senior Engineering Manager, API Hub

Principal / Lead Structural Engineer

Senior System Safety Engineer

Staff/Principal Product Designer

Principal Security Engineer, AWS Security

Staff Site Reliability Engineer

Lead DevOps Engineer

Principal Civil Engineer – HV Substations

Senior Software Developer

Staff Engineer, Site Reliability

Principal Electrical Engineer

Principal/Senior Railway Permanent Way Engineers

Principal Customer Success Manager, Enterprise

Principal Mechanical Engineer

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