Software Engineer II - Front End

Mastercard, Inc.; Dublin; On-site; EUR 60,000 - 85,000; Full time

Job summary

Mastercard seeks a skilled Software Engineer II - Front End to support its Connect team in Dublin. The role requires deep expertise in front-end technologies like React and JavaScript, alongside strong problem-solving and analytical skills. As a hands-on developer, you will contribute to architectural decisions, mentor teams, and ensure high-quality software delivery in an Agile environment.

Qualifications

• Proven experience in front-end technologies, especially React and JavaScript.
• Strong foundation in computer science principles with excellent problem-solving skills.
• Experience in Agile development environments preferred.

Responsibilities

• Write high-quality, secure, and testable front-end code.
• Lead the design and implementation of complex engineering initiatives.
• Collaborate with global teams and maintain technical roadmaps.

Skills

React

JavaScript

TypeScript

Agile methodologies

Problem-solving

Communication

Education

Bachelor's degree in computer science or related field

Job description

Social network you want to login/join with:

Software Engineer II - Front End, Dublin

Client: Mastercard, Inc.

Location: Dublin, Ireland

Job Category: Other

EU work permit required: Yes

Job Reference: 9903bbb88fc5

Job Views: 3

Posted: 27.06.2025

Expiry Date: 11.08.2025

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

Software Engineer II - Front End

Overview

Connect Team is a dedicated collection of self-organizing, high performing, interdependent, co-located individuals representing different functional roles with all the necessary skills to create the foundational security capabilities for application teams. This team leads with the mission to provide overall stewardship of enterprise-grade application architecture & design within the context of holistic software development. This includes driving the architecture & design decisions and building consensus around it. The team explores software architecture & technology innovations and enables excellence in overall team with a design-for-performance mindset.

Are you an innovator who embraces, adopts, and studies the latest technology to solve challenging business problems and address growing customer needs? If this describes you, Mastercard wants to talk to you about an opportunity to work with our Connect team.

We are looking for a seasoned engineer who is passionate about Frontend engineering.

Role

• Act as a hands-on developer, writing high-quality, secure, modular, and testable front-end code.
• Lead the design, implementation, and successful delivery of complex engineering initiatives within the program.
• Evaluate, introduce, and deploy emerging technologies to optimize performance, scalability, and maintainability.
• Architect and maintain technical roadmaps while mentoring development teams on best practices and new technology adoption.
• Contribute across the full software development lifecycle—including architecture, coding, testing, documentation, and deployment.
• Take full ownership of your team's software, with a deep understanding of its runtime behavior, dependencies, and infrastructure, including operating systems and build processes.
• Collaborate effectively with global teams through clear communication and cross-functional engagement.

All About You

• Strong foundation in algorithms, data structures, and core computer science principles.
• Proven experience with object-oriented programming and software design patterns.
• Proficiency in multiple modern front-end and full-stack technologies such as React (must have), Vue, JavaScript (must have), TypeScript (must have), Angular, and Scala.
• Exceptional written and verbal communication skills in English.
• Strong analytical and problem-solving capabilities.
• Hands-on experience in Agile software development environments.
• Familiarity with Extreme Programming (XP), Test-Driven Development (TDD), and Behavior-Driven Development (BDD) methodologies.
• Expertise in cloud technologies including IaaS, PaaS, serverless architectures, and NoSQL databases.
• Skilled in microservices architecture, CI/CD pipelines, and DevOps practices.
• Experience designing scalable, fault-tolerant platforms resilient to infrastructure-level failures.
• Practical experience using strangulation patterns and anti-corruption layers to refactor and migrate monolithic systems into decoupled services.
• Deep understanding of modern software engineering principles such as SOLID, DRY, and Single Responsibility Principle (SRP).
• Bachelor's degree in computer science or a related technical field.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks involve 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.