Lead Engineer Dublin, Ireland Lead Engineer

Description At Sitecore, our mission is to simplify how brands reach, engage, and serve people by delivering intelligent, personalised digital experiences that connect the world. We empower the world’s most iconic brands to build lifelong relationships with their customers—seamlessly, smartly, and at scale.
As the leading provider of agentic digital experience software, Sitecore brings together content, commerce, and data into one composable platform that enables brands to deliver millions of meaningful, adaptive experiences every day. Trusted by global leaders such as American Express, Porsche, Starbucks, and L’Oréal, Sitecore helps brands transform engagement through experiences that are not only personalised but predictive and dynamic.
Our foundation is our people—a diverse, passionate, and collaborative global team spanning over 25 countries. We believe that every experience matters, and that belief starts with how we work together. Our values—empathy, accountability, clarity, and growth—guide how we lead, innovate, and connect. They are the behaviors that bring our mission and vision to life, every day, in every interaction.
As we continue to evolve, we are actively cultivating AI skills across our teams to unlock new levels of creativity, efficiency, and insight. From engineering to customer experience, AI capabilities are becoming integral to how we design, build, and deliver the next generation of digital experiences. Learn more at Sitecore.com.
About the Role We’re seeking a motivated Lead Developer with strong experience in C# programming and modern .NET Frameworks. As a Lead Developer, you’ll help lead technical discussions, implementation, and build solutions on the Sitecore XM Cloud while collaborating closely with the Architect and Product teams across Europe and Kuala Lumpur.
Leading the technical implementation of the team projects
Ensuring high availability, performance, and security
Actively monitoring CI/CD pipelines, applying a continuous improvement mindset
What You’ll Do Design, develop, maintain, and ship components/projects for Sitecore XM Cloud
Write high-quality C# and .NET Core code
Clarify user stories, acceptance criteria, and task breakdowns to deliver business value
Build and maintain CI/CD pipelines for consistent and reliable solution delivery
Collaborate with QA and DevOps teams to ensure reliable and scalable deployments
Maintain close collaboration and effective communication with the Development Manager, Product Owner, team members, and other stakeholders
Mentor and guide junior developers, conducting code reviews and promoting engineering best practices; support the Development Manager to execute strategy on team performance
Work within Agile/Scrum methodologies, contributing to iterative development cycles
What You Need to Succeed Proficiency in C#, .NET Core/.NET 6+
Experience with Docker, AKS, and Kubernetes Helm Charts for deploying systems
Experience with cloud-based solutions (Microsoft Azure) and containerized deployments
Experience in working with version control systems: Git and branching strategy
Experience with NoSQL DB, especially Azure Cosmos DB
Experience with messaging systems, aka Confluent Kafka
Experience in optimizing software performance using profiling tools
Strong knowledge of Authorization, especially OAuth 2.0
Strong knowledge and experience in CI/CD setup, especially GitHub workflow
Strong implementation experience in Web API and REST API
Microservices
Multithreading
Dependency injection
Data structures (e.g., stacks, queues, collections)
LINQ (Language-Integrated Query) for querying data structures
Unit & Integration testing
Terraform Cloud
Excellent troubleshooting skills for performance, tracing, and debugging
Additional Skills That Could Set You Apart GraphQL
Event-driven architecture
Experience in Postman is a plus
Working experience in a SaaS based company or project is a plus
Why you should click ‘Apply’ Sitecore is on a path of significant growth, driven by our passion for digital experience innovation. We are leveraging modern cloud-native technologies to redefine customer experiences, presenting a unique opportunity to work on cutting-edge Sitecore solutions in an exciting $30 billion market.

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