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

Senior Software Engineer (API) – Fraud Platform
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- English
- Java
12d
Senior Software Development Engineer, AWS RDS SQL Server
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Oracle
- Computer Science
- Java
Development Lead
Citi —Dublin, County Dublin
- €93,280 a year
- Full-time
- Hybrid work
- Oracle
- Computer Science
- Java
1h
Lead SRE - Chase UK - Dublin
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Java
- AWS
- AI
5d
Manager, Software Engineering
Mastercard —Dublin, County Dublin
- Full-time
- System design
- Continuous improvement
- Software development
Staff Software Engineer - Migrations
Paymentology —Dublin, County Dublin
- Full-time
- Remote
- English
- Java
- AWS
10h
Site Reliability Engineering Manager, Security - Apple Services Engineering
Apple —Dublin, County Dublin
- Computer Science
- Java
- Master's degree
Principal Software Engineer — Cloud Agentic AI Platform
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Azure
- Java
- Master's degree
5d
Software Development Manager, Network Capacity Services
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Engineering
- Java
- AWS
Software Development Manager, Network Monitoring and Remediation
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Engineering
- AWS
- Team management
Principal Engineer - Commerce Hub
Fiserv —Dublin, County Dublin
- Full-time
- Java
- AWS
- AI
Senior Software Engineer
InterSystems —Dublin, County Dublin
- Mentoring
- Linux
- AI
Quick apply
Senior Engineer, Network Observability
CoreWeave Europe —Dublin, County Dublin
- On call
- Computer Science
- Bachelor's degree
- Linux
- Employee assistance program
Quick apply
AI Infrastructure Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- Computer Science
- Java
- Master's degree
- Work from home
Principal Software Engineer, AWS Lambda
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- C++
Senior Commercial Growth AE French & Arabic
ServiceNow —DUBLIN 2, County Dublin
- Full-time
- Sales
- ERP systems
Quick apply
Senior Robotics Software Engineer, Payload Integration
Anduril Industries —Dublin, County Dublin
- Full-time
- Computer Science
- Master's degree
- C++
Quick apply
Senior QA Automation Engineer (AI-First)
News Corp —Dublin, County Dublin
- Master's degree
- SQL
- AWS
Engineering Director
Fiserv —Dublin, County Dublin
- Full-time
- Java
- AWS
Senior Product Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- AWS
- JavaScript
- No degree
- Work from home

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Senior Software Engineer (API) – Fraud Platform

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time
12 days ago

Qualifications

JBoss
CI/CD
SAFe
Computer Science
JUnit
Tomcat
English
Java
SQL
Bachelor's degree
Continuous improvement
Distributed systems
Redis
REST
Mentoring
Scripting
IT
Less (style sheet language)
Linux
JSON
Apache
Maven
Jenkins
Communication skills
Spring framework
Hibernate
SDLC
Information Technology

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 (API) – Fraud Platform

SENIOR SOFTWARE ENGINEER (JAVA) — DATA CACHING / DISTRIBUTED SYSTEMS

Location: Dublin, Ireland

OVERVIEW
We are hiring a Senior Java Software Engineer to join a Dublin-based engineering team working on Mastercard's real-time decisioning platform. The team designs, builds and operates a high-performance, distributed, in-memory data caching layer that supports mission-critical transaction processing at global scale, with a strong focus on low latency, high availability and resiliency.

This is a hands-on senior role for an engineer who enjoys working close to complex distributed systems, owning features end-to-end, and helping shape technical direction within a collaborative Agile team.

Want to work on industry-leading, mission-critical distributed systems at global scale?
Motivated by solving complex performance, resiliency and data-consistency problems?
Keen to take end-to-end ownership and mentor others in a high-trust team?

ROLE & KEY RESPONSIBILITIES
As a Senior Software Engineer, you will act as a technical owner and leader within the team:

End-to-end delivery — Own complex features and services across the full software development lifecycle: architecture, design, development, testing, deployment, rollback planning and documentation.
Design & innovation — Design and implement high-performance, scalable and secure Java capabilities; apply advanced design patterns and API standards; produce high- and low-level design documentation to a professional standard.
Independent problem-solving — Drive solutions for complex problems; debug and troubleshoot across multi-tiered systems, including core, heap and thread-dump analysis; design resilient solutions.
Technical leadership & influence — Lead code, design and process trade-off discussions; drive adoption of coding standards and frameworks; review code, tests and automation produced by other team members.
Release & delivery coordination — Support coordinated releases across a follow-the-sun, multi-region engineering model, including scope tracking, cross-team sign-offs and release execution.
Operational excellence — Participate in on-call support; lead incident management, root-cause analysis and remediation; proactively improve performance and stability metrics.
Stakeholder engagement — Contribute to prioritisation with Product and Business stakeholders; lead demos and acceptance discussions with Product Owners; report status and manage risks in owned service areas.
Mentoring & knowledge sharing — Mentor less-experienced engineers, deliver knowledge-transfer and brown-bag sessions, and help build shared understanding across the team.
Continuous improvement — Identify inefficiencies and drive automation of build, operate and run activities; research and evaluate emerging technologies and frameworks.

REQUIRED SKILLS & EXPERIENCE

Strong proficiency with modern Java (JDK 17 or later); distributed systems and multi-threading experience.
Experience with Spring, Spring Boot, Hibernate, RESTful APIs, JSON; application servers (e.g. JBoss/Tomcat); Shell scripting.
Experience with distributed caching or in-memory data grid technologies (e.g. Apache Geode, Hazelcast, Redis, Coherence) is highly desirable.
Solid experience with Linux, SQL and message-queuing systems, and with design patterns.
Expertise in JUnit or equivalent automated testing frameworks; designing test plans across unit, regression, performance and integration.
CI/CD proficiency — tools such as Jenkins and Maven; source control in a multi-developer, distributed environment.
Familiarity with observability and monitoring tooling for alerting, dashboards and performance analysis.
Understanding of secure development practices (secure-by-design) and awareness of PCI-DSS considerations for handling payment card data.
Passionate about Agile ways of working (SAFe / SCRUM), code quality and engineering best practices.

OTHER ATTRIBUTES

Excellent written and verbal communication and strong cross-team, cross-geography collaboration.
Shows initiative, takes on challenging opportunities, and demonstrates end-to-end ownership.
Driven, highly motivated, strong team player. Fluency in English.

EDUCATION
Bachelor's degree in Computer Science, Information Technology or equivalent work experience.

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 (API) – Fraud Platform

Senior Software Development Engineer, AWS RDS SQL Server

Development Lead

Lead SRE - Chase UK - Dublin

Manager, Software Engineering

Staff Software Engineer - Migrations

Site Reliability Engineering Manager, Security - Apple Services Engineering

Principal Software Engineer — Cloud Agentic AI Platform

Software Development Manager, Network Capacity Services

Software Development Manager, Network Monitoring and Remediation

Principal Engineer - Commerce Hub

Senior Software Engineer

Senior Engineer, Network Observability

AI Infrastructure Engineer

Principal Software Engineer, AWS Lambda

Senior Commercial Growth AE French & Arabic

Senior Robotics Software Engineer, Payload Integration

Senior QA Automation Engineer (AI-First)

Engineering Director

Senior Product Engineer

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