We are looking for a Senior Umbraco Developer to lead the upgrade and optimization of an enterprise-level CMS built with Umbraco. The ideal candidate will have strong experience with Umbraco v8+, .NET/C#, and CMS version migrations. This role will take ownership of assessing the current setup, planning and executing the upgrade, ensuring full compatibility, and delivering a secure, high-performance system post-migration. This is a 100% Remote position in LATAM for one of our most important clients in the USA. Requirements - 3+ years of experience working with Umbraco CMS (v8 or higher). - Proficiency in .NET/C#, Razor views, HTML, CSS, and Java Script. - Strong knowledge of MVC architecture and component-based development. - Experience with SQL Server and relational database modeling. - Familiarity with Git and version control workflows. - Ability to independently plan and execute technical projects. Key Responsibilities - Assess the current Umbraco environment and define a detailed migration strategy. - Lead the upgrade from Umbraco v8+ to the latest stable version. - Refactor or rebuild templates, views, and custom components in Razor and C#. - Ensure integration points (APIs, services, databases) remain fully functional post-upgrade. - Perform thorough testing to validate functionality, performance, and stability. - Implement CMS performance optimization and security best practices. - Collaborate with product, design, and QA teams to align with project goals. Nice to Have - Experience with Azure Dev Ops, CI/CD pipelines, or automated deployments. - Exposure to headless CMS setups or hybrid content architectures. - Understanding of SEO and web performance best practices in CMS environments. - Familiarity with monitoring and debugging tools for CMS performance. Benefits 🌎 For our remote talent across LATAM (Contractor Model) At Devsu, we strive to create an environment where you can thrive both personally and professionally. By joining our team, you’ll enjoy: - A stable, long-term contract with opportunities for professional growth - Private medical insurance - Ongoing training, mentorship, and learning programs to keep you at the forefront of the industry - Free access to AI training resources and cutting-edge AI tools to enhance your daily work - A flexible paid time off (PTO) policy in addition to paid holidays - Challenging, world-class software projects for clients in the U.S. and Latin America - Collaboration with some of the most talented software engineers across Latin America and the U.S., in a diverse and inclusive work environment Join Devsu and discover a workplace that values your growth, supports your well-being, and empowers you to make a global impact. #LI-Remote