Principal Software Engineer

2 days ago

Dublin, Ireland Reperio Human Capital Ltd Full time

Principal Software Engineer - AI & Modern Work Solutions Location: Dublin, Ireland Position Type: Permanent | Full Time Salary: € Overview Would you like to work on next-generation products that use the latest AI technologies and a modern work suite to help millions of users collaborate more effectively? Do you enjoy solving complex engineering challenges with C#/.NET at scale, while contributing to innovative cloud-based solutions? We are seeking a Principal Software Engineer to join our team. This is a permanent role based in Ireland, with opportunities to work in a multi-discipline, multi-site environment delivering end-to-end AI solutions. You will help design and build a highly scalable cloud architecture, with intuitive web-based user experiences that empower enterprise customers globally. Responsibilities Design and implement core components of an enterprise-grade AI platform, covering identity, lifecycle management, observability, and integration. Build secure and scalable solutions using C#, ASP.NET, and .NET across distributed architectures. Lead and influence architectural decisions and technical strategy for cloud-based services. Collaborate with product managers, designers, and other engineers to deliver high-impact features. Prototype and iterate quickly on new ideas to stay ahead in the AI and digital workplace space. Conduct thorough code reviews, ensuring adherence to best practices and performance standards. Mentor and guide engineers, fostering a culture of technical excellence. Qualifications Bachelor's degree in computer science, Engineering, or related discipline. Deep hands-on experience with C#, .NET Core, ASP.NET, and distributed SaaS architectures. Strong knowledge of SQL and/or NoSQL database design. Experience delivering production systems on Azure, AWS, or GCP. Familiarity with web application development frameworks (React, Angular, or similar). Excellent communication and collaboration skills, comfortable working across global teams. Preferred Qualifications Experience with AI agent architectures, LangChain, or orchestration frameworks. Knowledge of identity and access management in enterprise environments. Exposure to containerisation (Docker, Kubernetes) and CI/CD pipelines. Experience leading the delivery of high-availability SaaS products in the cloud. What We Offer Competitive salary and benefits package. Opportunities to work on cutting-edge AI and cloud technologies. Professional development and growth through training and mentorship. A collaborative environment with a strong engineering culture. If you're interested, please apply now. For more information, contact Joe in Reperio Human Capital. Reperio Human Capital acts as an Employment Agency and an Employment Business. Skills: .NET C# ASP.NET SQL Azure Angular Benefits: Work From Home

  • Software Principal Engineer

    3 weeks ago

    Dublin, Dublin City, Ireland Mastercard, Inc. Full time

    Social network you want to login/join with:Software Principal Engineer (Architect), DublinClient: Mastercard, Inc.Location: Dublin, IrelandJob Category: OtherEU work permit required: YesJob Reference: ffb38e77e8c8Job Views: 3Posted:Expiry Date:Job Description:Software Principal Engineer (Architect)Our PurposeMastercard powers economies and empowers people in...

  • Software Principal Engineer

    5 days ago

    Dublin, Dublin City, Ireland Mastercard, Inc. Full time

    Social network you want to login/join with:Software Principal Engineer (Architect), DublinClient: Mastercard, Inc.Location: Dublin, IrelandJob Category: OtherEU work permit required: YesJob Reference: ffb38e77e8c8Job Views: 3Posted: 16.07.2025Expiry Date: 30.08.2025Job Description:Software Principal Engineer (Architect)Our PurposeMastercard powers economies...

  • Principal Software Engineer

    2 weeks ago

    Dublin, Dublin City, Ireland Nicoll Curtin Full time

    OverviewPrincipal Software Engineer – Financial Services | Java, Spring Boot, Microservices, APIs, Cloud (AWS/Azure).We're hiring a Principal Software Engineer to join the innovation team of a leading payments company in Dublin. This is a unique opportunity to work on high-performance, high-volume systems, helping to design and deliver the next-generation...

  • Software Principal Engineer

    2 weeks ago

    Dublin, Dublin City, Ireland Mastercard, Inc. Full time

    Software Principal Engineer (Architect)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...

  • Software Principal Engineer

    6 days ago

    Dublin, Dublin City, Ireland Mastercard Full time

    OverviewSoftware Principal Engineer (Architect) at MastercardMastercard powers economies and empowers people in 200+ countries and territories worldwide. Mastercard is a global technology company specializing in the payments industry. Our mission is to connect and empower an inclusive, digital economy that benefits everyone, everywhere by ensuring...

  • Sr Principal Software Engineer

    2 weeks ago

    Dublin, Dublin City, Ireland Mastercard Full time

    OverviewSr Principal Software Engineer – Mastercard2 weeks ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.Our PurposeMastercard 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...

  • Principal Software Engineer

    1 week ago

    Dublin, Dublin City, Ireland Mastercard Full time

    Our PurposeMastercard 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...

  • Sr Principal Software Engineer

    2 weeks ago

    Dublin, Dublin City, Ireland Mastercard Full time

    OverviewSr Principal Software Engineer – Mastercard2 weeks ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.Our PurposeMastercard 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...

  • Principal Software Engineer

    2 weeks ago

    Dublin, Dublin City, Ireland Reperio Human Capital Ltd Full time

    Principal Software Engineer - AI & Modern Work Solutions Location: Dublin, Ireland Position Type: Permanent | Full Time Salary: € Overview Would you like to work on next-generation products that use the latest AI technologies and a modern work suite to help millions of users collaborate more effectively? Do you enjoy solving complex engineering challenges...

  • Principal Software Engineer

    2 weeks ago

    Dublin, Dublin City, Ireland Axway Full time

    OverviewWe are seeking our new Principal Software Engineer to join the Axway team. As a Principal Engineer, you will serve as a technical visionary and hands-on architect, driving the design, scalability, and resilience of a modern API and integration platform. You will work within and across teams to define and implement architectural standards, mentor...