Senior Software Engineer

About Us:

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 guide how we lead, innovate, and connect. They are the behaviours 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 are looking for a Senior Software Engineer to join one of our product engineering teams. In this role, you will design, build, and maintain backend services that power Sitecore’s cloud platforms. You will own features starting from design phase, development testing and production investigations and maintenance while working closely with product managers, architects, and other developers in a distributed, international environment.

This is a senior individual contributor role with strong expectations around technical ownership, system design, and delivery quality.

What You Will Do

• Design, build, ship, and maintain production-grade backend services and secure, performant, observable façade and common APIs using REST and/or GraphQL.

• Develop cloud-native services on Microsoft Azure, including data-intensive solutions using Azure Cosmos DB.

• Deliver features, bug fixes, and hotfixes to engineering standards, and troubleshoot complex, high-impact production issues.

• Write testable, maintainable code with strong test coverage, improve CI/CD and automated deployments, and use AI-assisted tools responsibly to enhance productivity.

• Collaborate with cross-functional engineering and product teams to refine user stories, acceptance criteria, and technical designs.

• Mentor developers through code reviews and technical discussions and help evolve engineering best practices.

What You Need to Succeed:

• 6+ years of software development experience, with strong backend expertise in C# and .NET Core and/or .NET Framework.

• Proven experience designing and consuming REST and/or GraphQL APIs, with solid understanding of object-oriented design, asynchronous programming, scalability, performance, and reliability.

• Hands-on Microsoft Azure experience, including Azure Cosmos DB or other distributed NoSQL stores, plus relational databases such as SQL Server.

• Practical Docker experience, familiarity with Kubernetes, and experience with CI/CD pipelines, Git, and modern branching strategies.

• Proven unit and integration testing experience, and confidence using AI-assisted developer tools within development workflows.

• Strong written and spoken English, with the ability to collaborate effectively across distributed, cross-functional teams.

Additional Skills That Could Set You Apart:

• Previous experience working on SaaS or enterprise platforms

• Familiarity with Sitecore products (XM Cloud, XP, SXA, or related technologies)

• Experience designing systems using event‑driven or distributed architectures

• Experience with infrastructure‑oriented or deployment tooling

• Interest in developer productivity, automation, or applied use of AI in software development

Sitecore is proud to be an equal opportunity workplace. We are committed to equal employment opportunity without unlawful regard to race, color, ancestry, religion, gender, national origin, sexual orientation, age, citizenship, marital status, disability, veteran status or any other local legally protected characteristic.