[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Mastercard jobs](https://jobs.opennash.com/companies/mastercard/) · [Search jobs](/search/) Mastercard · Dublin, Ireland # Software Engineer II Dublin, Ireland Software Engineering Listed on Mastercard’s official careers site. Posted October 14, 2026. Check that it is still open and apply there. [Apply on Mastercard’s careers site →](https://mastercard.wd1.myworkdayjobs.com/CorporateCareers/job/Dublin-Ireland/Software-Engineer-II_R-276381) [OpenNash Jobs](https://jobs.opennash.com/) / [Mastercard](https://jobs.opennash.com/companies/mastercard/) / Software Engineer II ## 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 Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Software Engineer II – API & Integration Engineering We are looking for a Software Engineer II to join our engineering team, with a focus on building reliable integrations, APIs, and backend services that support scalable data, analytics, and AI-enabled capabilities. In this role, you will design, develop, test, and maintain software components that connect internal platforms, services, data products, and customer-facing applications. You will work closely with product, data engineering, data science and architecture teams to translate business and technical requirements into secure and maintainable production-ready solutions. This role is well suited for an engineer with strong hands-on software development experience, practical API and integration skills, strong debugging ability, and a collaborative mindset. You will contribute to engineering best practices, service reliability, automation, and continuous improvement across the software delivery lifecycle. All staff at Mastercard are expected to demonstrate Mastercard Way cultural values every day — own it, simplify it, sense of urgency, thoughtful risk-taking, unlock potential, and be inclusive — with a relentless focus on our customers. As a Software Engineer II, you will: - Design, develop, test, and maintain backend services, APIs, and integration components that support business and technology capabilities. - Build secure, scalable, and maintainable software solutions using modern engineering practices. - Develop and support RESTful APIs, service-to-service integrations, and data exchange patterns across internal platforms. - Collaborate with product owners, architects, software engineers, data engineers, and data scientists to translate requirements into technical solutions. - Participate in design discussions, code reviews, testing, and release activities to ensure high-quality software delivery. - Apply secure coding, logging, monitoring, and operational readiness practices throughout the development lifecycle. - Troubleshoot production issues, perform root cause analysis, and contribute to long-term improvements in reliability and supportability. - Contribute to automation, CI/CD pipelines, and engineering process improvements that reduce manual effort and improve delivery speed. - Follow Mastercard technology, security, privacy, and compliance standards in the design and implementation of solutions. ### Essential Skills & Experience - 3+ years of hands-on software engineering experience building backend services, APIs, or integration solutions. - Strong programming experience in Java, Python, or a similar modern programming language. - Experience developing and consuming RESTful APIs and working with service-based or microservices-style architectures. - Good understanding of software development lifecycle practices, including design, coding, testing, code review, CI/CD, and production support. - Experience with SQL and relational or analytical data stores. - Familiarity with Git, Unix/Linux environments, shell scripting, and automated build/deployment pipelines. - Strong debugging, troubleshooting, and problem-solving skills, including the ability to independently investigate and resolve technical issues. - Understanding of secure coding practices, authentication/authorization patterns, data protection, and operational controls. - Excellent communication skills, with a collaborative approach to working across engineering, data science, product, and architecture teams. ### Preferred Qualifications - Experience with Java/Spring Boot or similar backend application frameworks. - Experience with API gateways, integration platforms, event-driven patterns, messaging, or batch/streaming integration approaches. - Familiarity with data platforms or big data technologies such as Hadoop, Spark, Hive/Impala, object storage, or related ecosystems. - Familiarity with frontend development using TypeScript and React, with the ability to understand UI integration points and collaborate effectively with frontend teams. - Exposure to AI/ML-enabled platforms, model integration patterns, or data-driven applications. - Experience with observability tools, logging, monitoring, alerting, and production support practices. - Exposure to Agile delivery methods and working in cross-functional delivery teams. - Ability to work across multiple priorities while maintaining a strong sense of ownership and delivery accountability. - Proactive, self-motivated, and comfortable operating in a fast-paced technology environment. 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. 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. ## At a glance - Posted by the employer: Oct 14, 2026 - First seen by OpenNash: Aug 21, 2026 - Last checked: Oct 18, 2026 - Listed for: 58 days - Location: Dublin, Ireland[Apply on Mastercard’s careers site →](https://mastercard.wd1.myworkdayjobs.com/CorporateCareers/job/Dublin-Ireland/Software-Engineer-II_R-276381) ## More jobs at Mastercard ### [Director, Software Engineering](https://jobs.opennash.com/companies/mastercard/jobs/ff88b4b0f043f6ccbd66/) Dublin, Ireland ### [Lead Software Engineer](https://jobs.opennash.com/companies/mastercard/jobs/b662fa2ffaa535cf7c6d/) Dublin, Ireland ## Similar jobs at other companies ### [Full Stack Software Engineer II and Senior Software Engineer- Microsoft Security - Multiple roles](https://jobs.opennash.com/companies/microsoft/jobs/ce8bde6800315a9405e1/) Microsoft · Israel, Multiple Locations ### [Lead Software Engineer, Software Defined Storage](https://jobs.opennash.com/companies/sandisk/jobs/82c3291c960f66baa772/) Sandisk ### [Staff Software Test Engineer/Software Test Lead](https://jobs.opennash.com/companies/thermo-fisher-scientific/jobs/457bdc55eab7538b5b89/) Thermo Fisher Scientific · Singapore ### [Staff Software Engineer – Host & Secure Compute Software - Cork, Ireland](https://jobs.opennash.com/companies/qualcomm/jobs/d5d830fb764fadb851b4/) Qualcomm · Cork, Ireland ### [Software Engineer, Software Development Engineering (Apps) 3-6 years - Artifactory](https://jobs.opennash.com/companies/sandisk/jobs/14f1b9e58a1e3e67456f/) Sandisk OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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