Are you interested in working with a leading education technology player, the global leader in the assessment and certification of professional skills industry with presence in more than 200 countries worldwide? If so, this is the chance to **apply now!** 📥 **PeopleCert** is looking for a skilled **Sitecore Back-End Developer** to join our web development team and contribute to the evolution of our digital platforms. In this role, you will work on the development, maintenance, optimization, and modernization of Sitecore-based solutions. The team is currently supporting an older Sitecore implementation and preparing for a strategic move to the latest Sitecore architecture. You will play a key role in improving existing functionality, reducing technical debt, supporting integrations, and building scalable back-end services that enable high-quality digital experiences. This is an excellent opportunity for a back-end developer who enjoys solving complex technical challenges, working with enterprise platforms, and contributing to a major digital transformation journey. **As a Senior Back-End Developer - Sitecore your tasks will be the following:** - Develop, maintain, and enhance Sitecore functionality, including templates, layouts, renderings, components, workflows, pipelines, scheduled tasks, custom modules, and back-end services. - Work with the existing Sitecore implementation, supporting legacy functionality while helping refactor and modernize code in line with the future platform roadmap. - Contribute to the technical analysis required for Sitecore upgrade, migration, or re-engineering activities, including custom code, configurations, integrations, content structures, and deployment processes. - Build secure, scalable, and maintainable .NET/C# solutions that support business requirements and digital customer journeys. - Develop and maintain APIs, integrations, middleware, background jobs, and service layers connecting Sitecore with enterprise systems. - Support integrations with platforms such as CRM, ERP, identity providers, search services, payment systems, marketing platforms, analytics tools, and other internal or external systems. - Troubleshoot and resolve issues related to Sitecore publishing, caching, indexing, workflows, content delivery, performance, configuration, and integrations. - Collaborate closely with front-end developers to deliver reusable components and support modern headless or API-driven implementation patterns. - Participate in code reviews, technical design discussions, release planning, sprint ceremonies, and deployment validation. - Ensure solutions follow secure coding practices, performance standards, and maintainability principles. - Write and maintain technical documentation, including implementation notes, integration specifications, deployment instructions, and troubleshooting guides. - Work with DevOps and QA teams to support CI/CD pipelines, automated testing, environment configuration, monitoring, and production readiness. **What we look for:** - Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field, or equivalent professional experience. - 3+ years of professional experience in back-end development using .NET and C#. - Hands-on experience with Sitecore XP/XM, including templates, renderings, layouts, workflows, publishing, content architecture, and configuration. - Experience with ASP.NET MVC, ASP.NET Core, Web API, SQL Server, dependency injection, and common enterprise software development patterns. - Good understanding of Sitecore back-end development practices, including pipelines, events, scheduled tasks, caching, indexing, search, security roles, and configuration patching. - Experience with Solr, Azure Search, or other indexing/search technologies used in Sitecore solutions. - Experience working with older or customized CMS implementations and the ability to understand, debug, refactor, and improve legacy code. - Experience with REST APIs, integration patterns, authentication, authorization, error handling, logging, and monitoring. - Familiarity with Git, Azure DevOps or similar tools, CI/CD pipelines, branching strategies, and structured release processes. - Good understanding of secure development practices, OWASP principles, and enterprise application security. - Ability to troubleshoot complex issues across application code, CMS configuration, databases, APIs, and infrastructure. - Good communication skills and the ability to collaborate effectively with technical and non-technical stakeholders. - Very good knowledge of English. C2 level certification would be considered a plus. - Advanced computer literacy is required. ECDL Advanced level certification is desirable. **Nice to Have:** - Experience with Sitecore 10.x, Sitecore XM Cloud, Sitecore JSS, Headless Services, GraphQL, or Experience Edge. - Experience with Azure App Services, Application Insights, Key Vault, Azure Functions, Storage Services, Queues, or other Azure cloud services. - Experience with Docker, containers, Kubernetes, or modern Sitecore local development setups. - Experience with Sitecore personalization, analytics, marketing automation, or xDB. - Sitecore certification. - Experience integrating Sitecore with Microsoft Dynamics 365, Power Platform, ERP, CRM, or identity platforms. **What we offer:** - Competitive remuneration package - Work in an international, dynamic and fun atmosphere - Two **free** vouchers for all certifications from PeopleCert's Portfolio per year for all employees - Huge learning experience in using best practices and global environment - Constant personal and professional development **If you want to become a member of our international, dynamic and agile team that creates world leading software products, then we should certainly like to hear from you!** **About PeopleCert** **PeopleCert** is a global leader in assessment and certification of professional skills, partnering with multi-national organizations and government bodies for the development & delivery of standardized exams. Delivering exams across 200 countries and in 25 languages over its state-of-the-art assessment technology, PeopleCert enables professionals to boost their careers and realize their life ambitions. **Quality, Innovation, Passion, Integrity, Clarity and Velocity** are the core values which guide everything we do. Our offices in UK, Greece, Cyprus and India boast a culture of diversity, where everyone is different, yet everyone fits in. All of us at PeopleCert are committed to the reflection of the diversity and inclusion of our customers and the communities in which we do business. **Working on Home Office (HO) Secure English Language Tests (SELTs)** Any person who is engaged by PeopleCert to work on the SELT service must undergo a Background Check (the results of which must be acceptable to PeopleCert and the HO) prior to commencing their SELT duties. All SELT personnel will be required to complete a declaration (provided by PeopleCert) where the existence of any criminal record and/or bankruptcy must be declared. If working on the SELT service in the UK, background checks will include: - A basic or enhanced Disclosure Barring Service (DBS) check - Right to Work in the UK check (including nationality, identity and place of residence) - HO security check (Baseline Personnel Security Standard (BPSS) or Counter Terrorist Check (CTC) - Financial background check - Employment reference check. - If working on the SELT service anywhere in the world (outside of the UK) personnel will undergo background checks that are equivalent to those stated for the UK. In addition, if personnel are required to speak to SELT candidates they must be appropriately skilled in English language and, where SELT services are provided anywhere in the world (outside of the UK), the official language of the relevant country. All applications will be treated with strict confidentiality