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Software Engineer - Java Ireland, Dublin Jobs

68 Job Offers

Principal Software Engineer
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Lead the development of Microsoft's critical security cloud platform as a Principal Software Engineer in Dublin. This role requires a Bachelor's in Computer Science, 6+ years of coding experience (C#, Java, Python, etc.), and strong technical leadership. You will design large-scale distributed se...
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Ireland , Dublin
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Microsoft Corporation
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Agentic AI - Senior Software Engineer
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Join Mastercard's Foundry R&D in Dublin as a Senior Software Engineer on the Agentic AI team. Apply your expertise in Generative AI, LLMs, and frameworks like LangGraph to build scalable tooling and services. You'll design AI-enabled applications and developer workflows using Java/Python, React, ...
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Ireland , Dublin 18
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Mastercard
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Software Engineer
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Join the Windows Update Platform team in Dublin as a Software Engineer. Impact billions by ensuring seamless, secure OS updates. Design, code, and build resilient features using C, C++, or C#. Work in a fast-paced environment on cutting-edge, high-performance software.
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Ireland , Dublin
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Microsoft Corporation
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Software Engineer II
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Join Microsoft in Dublin as a Software Engineer II, shaping the core of OneDrive and SharePoint. You'll design large-scale distributed systems and cloud services using C#, Java, or Python. Collaborate with top talent to build features that empower millions globally, within a vibrant engineering c...
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Ireland , Dublin
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Microsoft Corporation
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Principal Software Engineering Manager - ODSP
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Lead a team tackling core infrastructure and scale challenges for OneDrive & SharePoint in Dublin. This role requires expertise in high-volume cloud services (C#, Java, Python) and a commitment to mentoring developers. You'll drive innovation, solve complex engineering problems, and shape the fut...
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Ireland , Dublin
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Microsoft Corporation
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Senior Full-Stack Software Engineer
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Ireland , Dublin
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93280.00 - 139920.00 EUR / Year
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Citi
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Senior Software Engineer - AI Agents
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Ireland , Dublin
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Microsoft Corporation
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Growth Software Engineer/Senior Software Engineer
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Join Microsoft's Growth Ireland team as a Software Engineer. Develop scalable AI-powered services for Microsoft 365 Copilot, impacting global users. This Dublin role requires expertise in C#, Python, or Java and experience with AI infrastructure. Enjoy a flexible work environment, competitive sal...
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Ireland , Dublin
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Microsoft Corporation
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Forward Deployed Software Engineer
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Ireland , Dublin
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OpenAI
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Senior Software Engineer, Full Stack - Fintech
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Ireland , Dublin
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Hopper
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Software Engineer, Privacy
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Ireland , Dublin
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OpenAI
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Senior Software Engineer
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Ireland , Dublin
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Microsoft Corporation
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Senior Software Engineer- Identity
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Ireland , Dublin
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Microsoft Corporation
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Software Engineer, Payments
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Join Whatnot's core Payments team in Dublin as a Software Engineer. Build scalable systems processing billions, using Python, Elixir, or JavaScript. Enjoy top benefits like health insurance, WFH support, and wellness allowances while shaping global commerce.
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Ireland , Dublin
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Whatnot
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Software Engineer New Grad
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Launch your software engineering career at Whatnot, shaping the future of live-stream commerce. We seek 2026 CS graduates with excellent product instincts to build scalable systems for millions of users. You'll own projects end-to-end with high autonomy in Dublin or Krakow. Enjoy comprehensive be...
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Ireland; Poland , Dublin; Kraków
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Whatnot
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Senior Software Development Engineer in Test
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Ireland , Dublin
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ResMed
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Lead Software Engineer - AI
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Ireland , Dublin
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ResMed
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Software Engineer 2 | Dynamics Finance
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Join our global team in Dublin as a Software Engineer 2 for Dynamics 365 Finance. Develop innovative, scalable SaaS solutions using your full-stack skills in C#, microservices, and cloud technologies. Collaborate on critical finance operations features and live site support for a world-leading ER...
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Ireland , Dublin
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Microsoft Corporation
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Senior Software Engineer
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Join Fivetran's core team in Dublin as a Senior Software Engineer. Design and evolve high-performance ELT data pipelines, using cloud services and modern tooling. Enjoy top benefits like 100% paid medical insurance, RSUs, and professional development in a collaborative, innovative environment.
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Ireland , Dublin
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Fivetran
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Senior Software Engineer
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Join Bentley Systems in Dublin as a Senior Software Engineer. Develop cutting-edge software for Plant, Building, and Structural Engineering using TypeScript, Node.js, and React. Leverage your 7+ years of experience in a collaborative team, with attractive salary and benefits. Advance global infra...
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Ireland , Dublin
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Bentley Systems
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About the Software Engineer - Java role

Explore the dynamic world of Software Engineer - Java jobs, a cornerstone of modern technology development. This profession centers on designing, building, testing, and maintaining robust software applications using the Java programming language and its vast ecosystem. Professionals in this field are problem-solvers who translate complex business requirements into efficient, scalable, and reliable software systems that power everything from enterprise back-ends and financial platforms to web services and mobile applications.

A typical Software Engineer specializing in Java engages in the full software development lifecycle. Common responsibilities include analyzing user needs, designing system architecture, writing clean and maintainable code, and conducting thorough testing to ensure quality and performance. They often develop server-side logic, create and integrate RESTful APIs, and manage data persistence using both SQL and NoSQL databases. Collaboration is key; these engineers regularly work within cross-functional teams alongside product managers, designers, and other engineers to deliver cohesive products. Additional duties frequently involve debugging and resolving technical issues, optimizing application performance, participating in code reviews, and contributing to architectural decisions. Many roles also encompass maintaining and improving existing codebases and staying current with emerging technologies and best practices.

To succeed in Software Engineer - Java jobs, a strong foundation in core Java and object-oriented design principles is essential. Proficiency with popular frameworks and tools such as Spring Boot, Hibernate, Maven, or Gradle is highly common. Experience with web services, microservices architecture, and cloud platforms like AWS, Azure, or Google Cloud is increasingly standard. A solid understanding of database technologies, version control systems like Git, and fundamental software engineering practices including unit testing and CI/CD pipelines is expected. While educational backgrounds often include a degree in computer science or a related field, practical experience and demonstrable skills are paramount. Soft skills such as analytical thinking, effective communication, and a collaborative mindset are crucial for thriving in team-oriented environments. For those seeking impactful and challenging careers, Software Engineer - Java jobs offer a pathway to building the foundational technology that drives innovation across virtually every industry.