Develop integrations between Salesforce and other systems through REST APIs. Create and maintain backend services using Node.js (NestJS). Design and optimize queries and structures in SQL Server. Ensure scalability and availability of solutions on Kubernetes/Docker. Participate in technical and system architecture decisions. Work closely with Salesforce teams to implement customized solutions. Perform testing, code reviews, and follow proper versioning practices (Git). Support the implementation of CI/CD pipelines. **Requirements:** Experience in backend development with Node.js (NestJS). Experience with integrations via REST APIs. Solid knowledge of Salesforce (customizations, integrations, and/or Apex). Experience with SQL Server databases. Experience with Kubernetes and Docker. Knowledge of version control (Git). Good practice with agile methodologies (Scrum/Kanban).