Find Sr. software engineer (distributed systems) Jobs in Dublin, D

Senior Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Oracle
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- Java
Senior Software Engineer (API) – Fraud Platform
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- English
- Java
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Principal Software Engineer, AWS Lambda
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- C++
Senior Software Development Engineer, AWS RDS SQL Server
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Oracle
- Computer Science
- Java
Senior Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Communication skills
- Python
- Life insurance
Senior Cloud Engineer
Canada Life —Dublin, County Dublin
- Azure
- DevOps
- English
10d
Senior Robotics Software Engineer, Payload Integration
Anduril Industries —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- C++
Quick apply
Software Development Manager, Network Monitoring and Remediation
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Engineering
- AWS
- Team management
Principal AI/ML Scientist & Engineer
Pipedrive —Dublin, County Dublin
- Full-time
- Hybrid work
- English
- AWS
- Mentoring
- Relocation assistance
- Annual leave
Quick apply
Software Development Manager, Network Capacity Services
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Engineering
- Java
- AWS
Software Development Manager , AWS DMS
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Oracle
- Engineering
- AWS
2d
Principal Software Engineer — Cloud Agentic AI Platform
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Azure
- Java
- Master's degree
1d
Senior Cloud Networking Manager
eBay Inc. —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- Bachelor's degree
Lead SRE - Chase UK - Dublin
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Java
- AWS
- AI
2d
Director of Business Operations
Horizon Quantum Computing —Dublin, County Dublin
- Full-time
- Doctoral degree
- Bachelor's degree
- Business
9d
Senior Engineer, Network Observability
CoreWeave Europe —Dublin, County Dublin
- On call
- Computer Science
- Bachelor's degree
- Linux
- Employee assistance program
Quick apply
Senior Product Security Engineer
Guidewire Software —Dublin, County Dublin
- Full-time
- AWS
- Communication skills
Senior Applied Scientist, AWS Security
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Doctoral degree
- Research
- Master's degree
Senior Commercial Growth AE French & Arabic
ServiceNow —DUBLIN 2, County Dublin
- Full-time
- Sales
- ERP systems
Quick apply
Senior Product Security Engineer, Server
MongoDB —Dublin, County Dublin
- Hybrid work
- Azure
- AWS
- C++

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Senior Software Engineer

Mastercard -
Dublin, County Dublin

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Job details

Full-time

Qualifications

CI/CD
TestNG
Oracle
JUnit
React
Atlassian Bamboo
XML
Data structures
System design
Selenium
Git
Java
SQL
OOP
Distributed systems
REST
Mentoring
Angular
Software development
Agile
UI
JSON
Jenkins
Spring framework
Debugging

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

Senior Software Engineer

Role Overview

We are seeking a highly capable Senior Software Engineer with a strong foundation in software development to join our engineering organisation.
This role goes beyond traditional testing and requires a candidate who actively contributes to software design, development, and quality engineering practices. The ideal candidate will demonstrate a development-first mindset, with hands-on experience in building scalable backend systems and the ability to design and implement robust automation solutions across the application stack.

The individual will play a key role in embedding quality into the development lifecycle, driving engineering best practices, and ensuring systems meet functional, non-functional, performance, and security requirements.

Key Responsibilities

Contribute to software development and quality engineering, ensuring high standards of code quality and system reliability
Design and implement scalable, maintainable test automation frameworks across API and UI layers
Collaborate with engineering teams to ensure testability, performance, and security are incorporated into system design
Participate in software design and architecture discussions, providing input from a quality and reliability perspective
Develop and execute unit, functional, integration, and end-to-end tests
Drive shift-left testing practices across the development lifecycle
Enhance and maintain CI/CD pipelines, ensuring automated test execution and release validation
Perform and contribute to code reviews, ensuring adherence to engineering standards and best practices
Support performance engineering efforts, including analysis, tuning, and scalability validation
Ensure adherence to secure coding practices and identify potential vulnerabilities
Contribute to operability engineering, including observability, monitoring, and system reliability
Troubleshoot and resolve complex issues across systems, ensuring minimal disruption and high system availability
Continuously identify opportunities to improve engineering and quality processes

Required Skills & Experience

Software Development (Mandatory)
Strong hands-on experience in Java development
Experience building backend systems using Spring Boot

Solid understanding of:

Object-oriented programming
Data structures and algorithms
Software design principles
Proven experience contributing to production-grade Java applications
Ability to contribute across development and automation testing responsibilities

Test Engineering & Automation

Experience in:
API Testing (Postman or equivalent)
API Automation using RestAssured (Java)
UI Automation using Selenium WebDriver or Playwright

Strong understanding of:

Unit, functional, and integration testing (JUnit/TestNG)
RESTful services, JSON, XML
Ability to design and implement:
Integration, acceptance, and end-to-end automation tests
Software Design & Architecture
Ability to contribute to software design and architecture decisions

Understanding of building systems that are:

Scalable
Maintainable
Secure
Performant

Awareness of architectural patterns and best practices
Performance, Security & Reliability
Experience in performance engineering concepts, including system analysis and optimisation
Knowledge of secure coding practices and vulnerability prevention
Understanding of reliability engineering and operability principles
Engineering Practices & Tooling

Strong experience with:

Version control systems (Git)
CI/CD tools (Jenkins, Bamboo or equivalent)
Code quality and coverage tools (Sonar or equivalent)
Experience working in Agile development environments
Strong collaboration skills with cross-functional teams

Core Engineering Capabilities

Strong troubleshooting and debugging skills across distributed systems
Ability to work independently in moderately complex to complex scenarios
Consistently applies engineering skills with growing autonomy and reliability
Ability to contribute to team-level engineering improvements and mentoring

Preferred / Good to Have

Full-stack development exposure (Frontend + Backend)
Experience with UI frameworks such as:
Angular
React
Exposure to cloud-based applications and distributed systems
Experience with in-memory data grids (e.g., Pivotal GemFire)
Strong SQL knowledge (preferably Oracle DB)
Exposure to monitoring and observability tools
Key Expectations from the Role
Must have a strong development background and not be limited to traditional testing roles
Should be flexible to work across:
Software development
Automation testing
UI validation
Expected to drive a quality-first engineering culture
Ability to influence system design, architecture, and delivery practices
Acts as a key contributor in complex problem-solving scenarios and supports broader engineering goals

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

sr. software engineer (distributed systems) jobs in dublin, d

Senior Software Engineer

Senior Software Engineer (API) – Fraud Platform

Principal Software Engineer, AWS Lambda

Senior Software Development Engineer, AWS RDS SQL Server

Senior Site Reliability Engineer

Senior Cloud Engineer

Senior Robotics Software Engineer, Payload Integration

Software Development Manager, Network Monitoring and Remediation

Principal AI/ML Scientist & Engineer

Software Development Manager, Network Capacity Services

Software Development Manager , AWS DMS

Principal Software Engineer — Cloud Agentic AI Platform

Senior Cloud Networking Manager

Lead SRE - Chase UK - Dublin

Director of Business Operations

Senior Engineer, Network Observability

Senior Product Security Engineer

Senior Applied Scientist, AWS Security

Senior Commercial Growth AE French & Arabic

Senior Product Security Engineer, Server

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