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  •  ...services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Software Engineer - Java/Python/Go Overview: Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is... 
    Java
    Full time
    Work experience placement
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...or integration solutions. • Strong programming experience in Java, Python, or a similar modern programming language. •...  ...and consuming RESTful APIs and working with service-based or microservices-style architectures. • Good understanding of software development... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    20 days ago
  •  ...performance, and reliable software in an agile environment. Strong hands-on experience designing and building distributed systems, microservices, RESTful APIs, and cloud-native applications. Strong experience with data-intensive applications and analytics platforms;... 
    Suggested
    Full time
    Immediate start
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...of talented engineers to develop high performance, high volume Java applications. • Deliver solutions by providing direct...  ...with cloud software development (PCF, Azure) and development on microservices architecture. • Strong verbal and written communication skills... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...technologies such as AWS, Azure, Databricks, Spark/PySpark, Python, Java and related frameworks. Partner closely with product...  ...hands-on experience designing and building distributed systems, microservices, RESTful APIs, and cloud-native applications. Strong... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...and analytics-driven capabilities using technologies such as Java, Databricks, cloud platforms, and modern data technologies....  ...hands on experience designing and building distributed systems, microservices, RESTful APIs, and cloud native applications. Strong programming... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...high-performing quality engineering team in a modern, agile, microservices-driven environment. This role blends deep technical expertise...  ...SonarQube, Quality Gates, AI-based testing platforms  Languages: Java (preferred) , JavaScript , Python  CI/CD & DevOps: Jenkins,... 
    Java
    Full time
    Contract work
    Worldwide
    Flexible hours
    Shift work

    Mastercard

    Ireland
    13 days ago
  •  ...software engineering development practices with a strong emphasis on microservices architecture and scalable database development. Your...  ...Lead the design, development, and deployment of high-quality Java microservices that integrate with modern front-end frameworks... 
    Java
    Full time
    Worldwide
    3 days per week

    Mastercard

    Ireland
    a month ago
  •  ...All about you • 8+ years of experience in software engineering and architecture, with strong expertise in Java, Spring Boot, Hibernate, and microservices. • Hands-on experience designing and building secure, scalable systems in cloud environments (AWS, Azure, or... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  .... Participate in the design and implementation of APIs and microservices supporting authentication and decisioning workflows. Troubleshoot...  ...Skills You have: Experience developing software using Java or similar object-oriented programming languages.... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...platform. Responsibilities ○ Design and deliver innovative Java-based capabilities for Mastercard's Decision Enrichments...  ...Boot. § Experience designing and developing RESTful APIs and microservices. § Strong understanding of distributed systems, scalability,... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...platform. • Build and maintain cloud-native applications using Java, Spring Boot, and PCF (Pivotal Cloud Foundry) technologies....  ...building and supporting RESTful and SOAP-based web services, APIs, microservices, and distributed systems at scale. • Hands-on experience... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...management and communication skills with the ability to influence across organizational boundaries. Experience with Java, Spring Boot, APIs, microservices, cloud-native technologies, CI/CD, and automation practices. Experience driving operational excellence, platform... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...in software development, ideally with hands-on experience in Java, Kotlin, or similar modern languages, and working knowledge of...  ...frameworks (e.g., React, Angular). ~ Solid understanding of microservices architectures, RESTful APIs, and cloud-native development (AWS... 
    Java
    Work at office
    Flexible hours

    SmartSpace Global

    Ireland
    more than 2 months ago
  •  ...Codex-style tooling Software Engineering Expert experience with RESTful APIs, Web standards and related security principles. Java (JDK 17+ / Spring Boot), Python, Shell scripting Strong experience with UI frameworks such React (ideally Next.js), Angular etc.... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...industry best practices to continuously improve platform performance, reliability, and customer experience. All About You Strong Java development expertise with a deep understanding of object-oriented design principles, software architecture, and engineering best... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...building scalable, maintainable production systems • Experience with React and/or Next.js • Strong backend engineering skills in Java and/or Python • Experience with developer tooling, automation, CLI-based workflows, and CI/CD • Familiarity with containers,... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...Management Platform, which serves as the core for multiple business solutions to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per month in tens of milliseconds using a multi-tiered, message-oriented approach... 
    Java
    Full time
    Worldwide
    Flexible hours

    Mastercard

    Ireland
    a month ago
  •  ...• Ability to innovate and develop new approaches to complex problems • Prior software development experience, particularly using Java and the Test Driven Development (TDD) methodology • Familiarity with integrating vendor and open source products into an overall system... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...cross regional Product - Tech Team's. ~ Strong technologist eager to learn new technologies and frameworks. ~ Proficiency with Java , Spring Boot , JPA , React, Redux, Typescript, ~ Good to have .NET/C# and Python. ~ Solid experience with RESTful APIs and JSON... 
    Java
    Full time
    Worldwide
    Flexible hours

    Mastercard

    Ireland
    a month ago
  •  ...execution across commercial, product, and engineering teams. Mentoring and developing junior team members. All About You Strong Java development and object-oriented design expertise. Understanding of modern web technologies such as React, Node.js, NPM, or... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...situations and making decisions with a sense of urgency is needed. • Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting large-scale distributed systems. • We need... 
    Java
    Full time
    Work experience placement
    Worldwide
    Shift work

    Mastercard

    Ireland
    a month ago
  •  ...algorithms, data structures, and core computer science concepts. Proficiency in one or more general-purpose programming languages such as Java, JavaScript, C#, Python, etc. Strong written and verbal English communication skills. Strong analytical and excellent problem-... 
    Java
    Full time
    Worldwide
    Flexible hours

    Mastercard

    Ireland
    a month ago
  •  ...team which helps prevent fraud on every mastercard transaction in this world? Role • Design and implement application logic in Java. • Write code to do unit testing, integration testing and functional testing. • Work with automated testing frameworks like Rest... 
    Java
    Full time
    Work at office
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...Technology, Computer Science or Engineering or equivalent work experience • Strong experience working on Scalable, Multi-threaded Java applications • Experience of developing applications using the Spring Framework • Experience with RESTful APIs and JSON/SOAP based... 
    Java
    Full time
    Work experience placement
    Worldwide

    Mastercard

    Ireland
    a month ago
  •  ...development of Metrics and dashboard reporting. • Design and development of object oriented systems, unit tests with mocking technologies, Java, JavaScript, C# • Design and database scripting for RDBMS such as Oracle and SQL Server. • Design and development using cloud... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  • €115k - €128k per year

    Who we are: Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform...
    Remote job
    Full time
    Work at office
    Work from home
    Worldwide
    Home office
    Flexible hours

    Sardine

    Ireland
    17 days ago
  •  ...MasterCard’s security, scalability and availability standards. TPM deliverable are the managing the Infrastructure deliver program of Java Run time environments and infrastructure. They produce infrastructure solutions that align with Mastercard standards to satisfy... 
    Java
    Full time
    Worldwide

    Mastercard

    Ireland
    17 days ago
  •  ...secure coding standards, and vulnerability management. Expert understanding of architecture patterns, application design, APIs, microservices, integration patterns, event-driven architectures, and modern software delivery approaches. Experience translating complex... 
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago
  • 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...
    Full time
    Worldwide

    Mastercard

    Ireland
    a month ago