Find Sr. software engineer (distributed systems) Jobs in Dublin 2, D

Senior Software Engineer (API) – Fraud Platform
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- Full-time
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- Continuous improvement
- Software development
Software Development Engineer, Lambda - Experience
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- Bachelor's degree
- Relocation assistance
3d
Lead Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Oracle
- Java
- SQL
Senior Software Development Engineer , AWS Database Migration Service
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- Java
- AWS
Senior Software Engineer - Database Platforms
Bloomberg —Dublin, County Dublin
- Oracle
- Java
- No degree
Senior Software Engineer
Fivetran —Dublin, County Dublin
- Full-time
- AWS
- Communication skills
- Python
- Annual leave
- Sick pay
Quick apply
Senior Software Engineer - Core Team
Userpilot —Dublin, County Dublin
- Full-time
- Hybrid work
- System design
- AWS
- Communication skills
Quick apply
Principal Software Engineer, AWS Lambda
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- C++
OmniPay Dev Ops Engineer
Fiserv —Dublin, County Dublin
- Full-time
- DevOps
- AWS
Senior Manager, Platform Engineering
Prove —Dublin, County Dublin
- €120,000–€140,000 a year
- Remote
- Computer Science
- System design
- Java
- Employee assistance program
Senior Software Engineer
Equifax —Dublin, County Dublin
- Full-time
- Azure
- Java
- AWS
- Gym membership
- Sick pay
Senior Product Engineer - Supply Team
WeTravel —Dublin, County Dublin
- Full-time
- Remote
- English
- Java
- Master's degree
- Annual leave
- Work from home
Principal Engineer - Commerce Hub
Fiserv —Dublin, County Dublin
- Full-time
- Java
- AWS
- AI
Senior Software Engineer - Logistics
Global-e —Dublin, County Dublin
- Full-time
- AWS
- No degree
- Agile
Quick apply
Staff Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
Senior Software Developer - Authentication Team
Workday —Dublin, County Dublin
- €86,400–€129,600 a year
- Full-time
- Java
- Bachelor's degree
- Software development
Sr. Full-Stack Developer (Python & Java)
Broadridge —Dublin, County Dublin
- Full-time
- English
- Java
- AWS
12d
Senior Software Engineer I
RELX —Dublin, County Dublin
- €56,500–€94,400 a year
- Full-time
- Azure
- DevOps
- Java
Senior Software Development Engineer, AWS RDS SQL Server
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Oracle
- Computer Science
- Java

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Senior Software Engineer (API) – Fraud Platform

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time
9 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 2, d

Senior Software Engineer (API) – Fraud Platform

Manager, Software Engineering

Software Development Engineer, Lambda - Experience

Lead Software Engineer

Senior Software Development Engineer , AWS Database Migration Service

Senior Software Engineer - Database Platforms

Senior Software Engineer

Senior Software Engineer - Core Team

Principal Software Engineer, AWS Lambda

OmniPay Dev Ops Engineer

Senior Manager, Platform Engineering

Senior Software Engineer

Senior Product Engineer - Supply Team

Principal Engineer - Commerce Hub

Senior Software Engineer - Logistics

Staff Site Reliability Engineer

Senior Software Developer - Authentication Team

Sr. Full-Stack Developer (Python & Java)

Senior Software Engineer I

Senior Software Development Engineer, AWS RDS SQL Server

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