Senior Back-End Developer - Sitecore
PEOPLECERT
| Company | PEOPLECERT |
| Category | Engineering |
| Location | Sofia |
| Remote | On-site (inferred) |
| Employment | Full-time |
| Level | Senior |
| Salary | Not stated by the employer |
| Posted | 26 Jun 2026 |
| Last verified | 30 Jul 2026 |
| Source | Employer career page (workable) |
Description
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! ๐ฅ 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 A
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