Software Engineer - Java Spring Boot

Mastercard; Helena (MT); On-site; USD 90,000 - 130,000; Full time

Job summary

Mastercard is seeking a Software Engineer - Java Spring Boot to design, build, and support secure, scalable payment-network solutions. You will develop Java/Spring Boot microservices, REST APIs, and Kafka-based integrations, applying SOLID principles and secure coding practices.

In this role, you will contribute to CI/CD, observability, and automated testing, collaborating with product, architecture, and operations teams while mentoring teammates and owning complex work from analysis through

Qualifications

• Hands-on Java with Spring Boot development and microservices experience.
• Experience building RESTful services and Kafka-based integrations.
• Familiarity with SQL/NoSQL databases, Git, CI/CD, and cloud-native platforms.
• Understanding of secure, scalable, resilient, and observable software design.
• Bachelor-like degree or equivalent practical experience in a relevant field.

Responsibilities

• Design, develop, test, deploy, and support Java/Spring Boot services.
• Build microservices, REST APIs, and Kafka-based event integrations.
• Apply SOLID and secure coding practices in solutions.
• Create unit/integration tests and participate in peer reviews.
• Troubleshoot issues across application, data, and production environments.
• Contribute to CI/CD, observability, and operational readiness.
• Collaborate with product, architecture, and cross-functional teams.
• Mentor junior engineers and own complex work end-to-end.

Skills

Java

Spring Boot

Microservices

REST APIs

Kafka

CI/CD

Cloud-native

SQL/NoSQL

Git

Automated testing

Secure coding

Education

Bachelor's degree in computer science, information technology, engineering, or related discipline, or equivalent practical experience

Tools

GitHub Copilot

Claude CLI

Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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 - Java Spring Boot

Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview

Payments Network Technology is seeking a software engineer to design, build, and support secure, scalable, and highly available payment-network solutions using Java, Spring Boot, Kafka, event-driven architecture, and cloud-native engineering practices.

Roles and Responsibilities

• Design, develop, test, deploy, and support software services based on technical and functional requirements.
• Build Java and Spring Boot microservices, REST APIs, and Kafka-based event-driven integrations.
• Apply object-oriented design, SOLID principles, reusable patterns, and secure coding practices.
• Create unit, component, integration, and regression tests and participate in peer reviews.
• Troubleshoot application, data, messaging, performance, and production issues.
• Contribute to CI/CD, observability, operational readiness, resiliency, and automation.
• Collaborate with product, architecture, testing, operations, and dependent engineering teams.
• Guide less-experienced team members and independently own complex work from analysis through production support.

Essential Skills

• Hands-on Java and Spring Boot development experience.
• Experience with microservices, REST APIs, Kafka or similar messaging platforms, and event-driven architecture.
• Knowledge of SQL or NoSQL databases, Git, automated testing, CI/CD, containers, and cloud-native platforms.
• Understanding of secure, scalable, resilient, and observable software design.
• Bachelor's degree in computer science, information technology, engineering, or a related discipline, or equivalent practical experience.

All About You

• Experience working in Agile delivery environments and across the software development lifecycle.
• Clear communication, collaboration, problem-solving, and stakeholder-management skills.
• Ability to work with globally distributed product, engineering, architecture, operations, and business teams.
• Hands-on experience using AI-assisted engineering tools, including GitHub Copilot and Claude CLI, to improve engineering efficiency is required.
• Payments or financial-services domain knowledge is preferred.

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.