Lead Platform Engineer — Fraud Rules & Global Scale

Mastercard; Howth; On-site; EUR 110,000 - 170,000; Full time

Job summary

Mastercard in Ireland invites a Lead Software Engineer to drive the modernization of fraud rules and engines, and oversee large-scale migrations across global platforms. You will partner with cross-functional teams to translate complex requirements into scalable, secure solutions that align with architectural standards.

We seek hands-on leaders with 8+ years in software and microservices, proficiency in Go, Python or Java, and a track record delivering high-throughput systems.

Qualifications

• 8+ years of software development experience in distributed systems.
• Proficiency in Go, Python and Java.
• Strong leadership and mentoring abilities.
• Experience with fraud rule engines or risk platforms preferred.

Responsibilities

• Lead the modernization of Fraud Rules/Engines.
• Collaborate with cross-functional teams to design solutions.
• Ensure architectures meet security and compliance standards.
• Mentor engineering teams and drive PoC initiatives.
• Deliver scalable, low-latency platforms with high availability.

Skills

Go

Python

Java

Microservices

DevOps

Leadership

Security

Education

Bachelor's degree in Information Technology or Computer Science

Tools

ALM tools

Relational & NoSQL DBs

Job description

Mastercard in Ireland invites a Lead Software Engineer to drive the modernization of fraud rules and engines, and oversee large-scale migrations across global platforms. You will partner with cross-functional teams to translate complex requirements into scalable, secure solutions that align with architectural standards.

We seek hands-on leaders with 8+ years in software and microservices, proficiency in Go, Python or Java, and a track record delivering high-throughput systems.