Lead Software Engineer: Java Microservices for B2B Payments

Mastercard Inc.; Ireland; On-site; EUR 120,000 - 160,000; Full time

Job summary

Mastercard Inc. is seeking a Lead Software Engineer to join our growing Commercial Connect API team. You will lead the design, development, and deployment of Java microservices that integrate with modern front-end frameworks and third‑party applications.

As part of an agile team, you will drive SDLC activities, collaborate with PMs and test engineers, ensure security and scalability, and explore AI-assisted tooling to boost productivity and quality.

Qualifications

• Experience with CI/CD, containerization, DevOps, and Git version control.

Responsibilities

• Lead design, development, and deployment of Java microservices for Commercial Connect API.
• Collaborate with product managers, TPMs, and test engineers to align technical and business goals.
• Perform code reviews, submit PRs, and support continuous improvement.
• Ensure adherence to Mastercard engineering standards, security, and architecture guidelines.
• Optimize performance and reliability for high-traffic, global systems.

Skills

Java

Spring Boot

RESTful APIs

Microservices

SQL

AWS/Azure

CI/CD

Docker

Kubernetes

Agile

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Docker

Kubernetes

Job description

Mastercard Inc. is seeking a Lead Software Engineer to join our growing Commercial Connect API team. You will lead the design, development, and deployment of Java microservices that integrate with modern front-end frameworks and third‑party applications.

As part of an agile team, you will drive SDLC activities, collaborate with PMs and test engineers, ensure security and scalability, and explore AI-assisted tooling to boost productivity and quality.