Find Senior java Jobs in Dublin, D

Principal Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- Java
- AWS
Senior Software Development Engineer, Aurora MySQL,Aurora PostgreSQL
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Microsoft Excel
- Computer Science
- Java
Senior Software Engineer - Fixed Income Derivatives
Bloomberg —Dublin, County Dublin
- Microsoft Excel
- Computer Science
- System design
Digital Architect
Elwood Roberts —Dublin, County Dublin
- €500–€550 a day
- Full-time
- Hybrid work
- Computer Science
- System design
- Java
Quick apply
Senior Ads Solutions Engineer, gTech
Google —Dublin, County Dublin
- €114,000–€117,000 a year
- Full-time
- Computer Science
- Engineering
- Java
Manager, Support Engineering
Wiz, Inc. —Dublin, County Dublin
- Remote
- Azure
- Computer Science
- Engineering
Quick apply
13d
Senior Software Engineer - Pricing Analytics
Bloomberg —Dublin, County Dublin
- Computer Science
- Java
- No degree
Sr Backend Engineer - GraphQL Federation
eBay Inc. —Dublin, County Dublin
- Full-time
- System design
- Java
- JavaScript
3d
Principal MTS– Distributed Data Platform
eBay Inc. —Dublin, County Dublin
- Full-time
- Java
- AI
- Communication skills
Full-Stack Engineer
The Bank of New York Mellon Corporation —Dublin, County Dublin
- Full-time
- Oracle
- Computer Science
- Software troubleshooting
Senior Software Engineer / Web Developer (AEM)
PlayStation Global —Dublin, County Dublin
- Computer Science
- Java
- Master's degree
Quick apply
Senior Software Engineer - Data Backend (Search Quality) (Remote - Ireland)
Yelp —Dublin, County Dublin
- Full-time
- Java
- Master's degree
- SQL
- Employee stock purchase plan
- Annual leave
Senior Software Development Engineer, Aurora Control Plane Developer Experience
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Microsoft Excel
- Computer Science
- Java
Lead Agentic Engineer
Marsh —Dublin, County Dublin
- Full-time
- Java
- Master's degree
- Presentation skills
Peripheral Systems Manager
Henry Schein Ireland —Dublin, County Dublin
- Full-time
- Management
- Computer Science
- Java
14d
Senior Machine Learning Software Development Engineer, AI Ops Integration
Amazon EU SARL, Irish Branch —Dublin, County Dublin
- Full-time
- Computer Science
- Java
- Master's degree
12d
Senior Software Engineer - Data License Plus
Bloomberg —Dublin, County Dublin
- Oracle
- Java
- AWS
Exchange Traded Fund (ETF) Software Quality Assurance (SQA), Assistant Vice President
State Street —DUBLIN 2, County Dublin
- Full-time
- Computer Science
- DevOps
- Java
Backend Software Engineer
Grouper —Dublin, County Dublin
- Hybrid work
- Azure
- Computer Science
- Java
Quick apply
Sr.Quality Assurance Engineer (European Language Expert), Alexa Global Quality Team
Amazon Development Centre Ireland Limited - D94 —Dublin, County Dublin
- Full-time
- Java
- Master's degree
- C++
13d

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Principal Software Engineer

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

Azure
Go
Kubernetes
C#
Encryption
Google Cloud Platform
Java
AWS
SDKs
REST
gRPC
Leadership
Communication skills
Python

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

Overview
Mastercard is seeking a Principal Software Engineer to architect, build, and operate the API platform that securely exposes foundation model capabilities across the organization. This role is critical to enabling safe, scalable, and compliant adoption of generative AI and advanced analytics across Mastercard products and services.
As a senior technical authority, you will define the architectural standards and operational practices that allow teams to consume AI model capabilities reliably and responsibly. You will partner closely with AI/ML engineers, product, security, and platform teams to deliver production‑grade APIs that meet Mastercard’s requirements for performance, resilience, governance, and trust.

Role
In this role, you will be responsible for end‑to‑end ownership of the foundation model API layer, ensuring it is secure, scalable, observable, and easy to adopt.
Key responsibilities include:

Architect and build enterprise‑grade API platforms that expose foundation model capabilities (e.g. inference, embeddings, agents) to internal consumers
Define and enforce API standards, including versioning, backward compatibility, SDKs, and developer experience best practices
Design and implement security and governance controls, including authentication, authorization, policy enforcement, audit logging, and usage limits
Ensure platform reliability, scalability, and performance, including traffic management, caching, retries, and graceful degradation
Partner with AI/ML engineering teams to productionize model capabilities while abstracting complexity from downstream consumers
Drive observability and cost control, delivering usage metrics, monitoring, alerting, and cost attribution across tenants and applications
Lead technical design reviews and code reviews for critical services, setting a high bar for engineering quality and operational readiness
Influence broader platform and AI strategy through architectural guidance, technical proposals, and trade‑off analysis
Mentor senior engineers and act as a role model for secure, resilient, and maintainable software engineering practices

All About You

Extensive experience designing and operating large‑scale, distributed production systems
Deep expertise in API and platform engineering, including REST and/or gRPC, service gateways, and multi‑tenant architectures
Strong background in software security, including authN/authZ, encryption, secrets management, and threat modeling
Experience building services in cloud‑native environments (e.g. Kubernetes, managed cloud services on AWS, Azure, or GCP)
Proven ability to deliver reliable, observable, and cost‑efficient services in high‑availability environments
Strong programming skills in one or more backend languages (e.g. Java, Go, C#, Kotlin, Python)
Familiarity with foundation model integration patterns, such as inference APIs, embeddings, RAG pipelines, and safety controls (preferred)
Experience working in regulated or enterprise environments, with an understanding of compliance, auditability, and risk management
Excellent communication skills with the ability to influence technical direction across teams
Demonstrated leadership through technical excellence, mentorship, and architectural ownership, rather than people management alone

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 java jobs in dublin, d

Principal Software Engineer

Senior Software Development Engineer, Aurora MySQL,Aurora PostgreSQL

Senior Software Engineer - Fixed Income Derivatives

Digital Architect

Senior Ads Solutions Engineer, gTech

Manager, Support Engineering

Senior Software Engineer - Pricing Analytics

Sr Backend Engineer - GraphQL Federation

Principal MTS– Distributed Data Platform

Full-Stack Engineer

Senior Software Engineer / Web Developer (AEM)

Senior Software Engineer - Data Backend (Search Quality) (Remote - Ireland)

Senior Software Development Engineer, Aurora Control Plane Developer Experience

Lead Agentic Engineer

Peripheral Systems Manager

Senior Machine Learning Software Development Engineer, AI Ops Integration

Senior Software Engineer - Data License Plus

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

Backend Software Engineer

Sr.Quality Assurance Engineer (European Language Expert), Alexa Global Quality Team

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