Find senior software developer Jobs in dublin, d

Principal Security Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Continuous improvement
- Leadership
- Communication skills
Senior Account Executive - Enterprise Sales - Expansion
New Relic —Dublin, County Dublin
- Hybrid work
AI Systems Engineer
Platform Engineering Masters —Dublin, County Dublin
- Full-time
- Remote
- Software development
- AI
- Leadership
API Enterprise Account Executive (Hybrid)
Nitro —Dublin, County Dublin
- AI
- Communication skills
Senior Product Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- AWS
- JavaScript
- No degree
- Annual leave
- Work from home
Director of Security Engineering
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Software development
- AI
- Leadership
Real Estate Development Mgr Data Center Supply Solutions (EMEA)
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- English
- AWS
- Analysis skills
AI & Data - Agentic AI Engineer - Senior Consultant
EY —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Azure
- Doctoral degree
- Computer Science
- Gym membership
Senior Cloud Support Engineer
Crusoe —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- Customer service
Quick apply
Staff Software Engineer, Ruby on Rails
Ripple —Dublin, County Dublin
- Full-time
- Azure
- Oracle
- AWS
Quick apply
Senior Project Manager
Mars Capital —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- AWS
- Analysis skills
Quick apply
Senior Site Reliability engineer
Guidewire Software —Dublin, County Dublin
- Weekend availability
- Oracle
- Computer Science
- DevOps
Exchange Traded Fund (ETF) Software Quality Assurance (SQA), Assistant Vice President
State Street —DUBLIN 2, County Dublin
- Full-time
- Computer Science
- DevOps
- Java
Staff Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
Databricks Lead Engineer | Senior Manager | Data & AI | Advisory
PwC —Dublin, County Dublin
- Full-time
- Azure
- Research
- SQL
Senior Platform Engineer
Sitecore —Dublin, County Dublin
- Full-time
- Azure
- AWS
- Mentoring
AI Builder, Emerging Talent - BNL Market
Salesforce —Dublin, County Dublin
- Full-time
- Sales
- English
- Master's degree
kdb+ Engineer
Data Intellect —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- AWS
- Software development
- Referral programme
Quick apply
3d
Senior Dataverse / Dynamics 365 AI Business Developer
Codec —Dublin, County Dublin
- Full-time
- Azure
- Oracle
- DevOps
Quick apply
Sr Pre-Sales Solution Engineer (French speaking)
Klaviyo —Dublin, County Dublin
- €80,000–€120,000 a year
- Sales
- English
- SQL
Quick apply

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Principal Security Engineer

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

Continuous improvement
Leadership
Communication skills

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 Security Engineer

Overview
The Principal Security Engineer serves as a trusted advisor and partner to developers, providing hands‑on support, coaching, and real‑time guidance to integrate security seamlessly into the development lifecycle. This role plays a critical part in shaping how security and threat modeling is taught, adopted, reviewed, and governed across Mastercard’s development lifecycle. The focus is on making security accessible, actionable, and aligned with how developers actually build software, driving adoption through collaboration, continuous feedback, and a strong developer experience.

Role
This is a senior, hands‑on security leadership role focused first and foremost on developer enablement and engagement, responsible for driving security excellence at scale across Mastercard. The Principal Security Engineer blends deep individual‑contributor expertise with practice‑building leadership, including:
Creating scalable, developer‑friendly threat modeling collateral such as blueprints, threat libraries, and templates
Implementing and evolving threat modeling methodologies
Establishing review and governance practices that support consistent, high‑quality outcomes
Designing and delivering formal learning and enablement programs that help engineers and architects confidently apply threat modeling in their day‑to‑day work
The role partners closely with development teams to embed security naturally into workflows, ensuring security enhances—not hinders—delivery.

About You
You are a senior security practitioner with deep, hands‑on experience in threat modeling and secure software design. You are comfortable operating at scale, influencing across teams, and working directly with developers and architects. You combine technical depth with strong coaching and communication skills, and you are passionate about building practical, developer‑centric security practices. You thrive in environments where collaboration, continuous improvement, and strong developer experience are key to success.

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

senior software developer jobs in dublin, d

Principal Security Engineer

Senior Account Executive - Enterprise Sales - Expansion

AI Systems Engineer

API Enterprise Account Executive (Hybrid)

Senior Product Engineer

Director of Security Engineering

Real Estate Development Mgr Data Center Supply Solutions (EMEA)

AI & Data - Agentic AI Engineer - Senior Consultant

Senior Cloud Support Engineer

Staff Software Engineer, Ruby on Rails

Senior Project Manager

Senior Site Reliability engineer

Exchange Traded Fund (ETF) Software Quality Assurance (SQA), Assistant Vice President

Staff Site Reliability Engineer

Databricks Lead Engineer | Senior Manager | Data & AI | Advisory

Senior Platform Engineer

AI Builder, Emerging Talent - BNL Market

kdb+ Engineer

Senior Dataverse / Dynamics 365 AI Business Developer

Sr Pre-Sales Solution Engineer (French speaking)

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