At Transformación Digital, we continue to grow and want to add a talented and passionate Back-End Developer to our team, someone dedicated to developing scalable technological solutions. If you have experience designing, implementing, and maintaining robust systems oriented toward eCommerce, this is your opportunity. **REQUIREMENTS:** * Graduate professional, bachelor's degree holder, or graduate in Systems Engineering, Software Engineering, or related fields. * Minimum of 3 years of experience in Back-End development. * Proficiency in middleware implementation and management of REST and SOAP services. * Knowledge of technologies such as Docker, Git, PostgreSQL/MongoDB, Redis, Jenkins/GitHub Actions, and programming languages like Node.js, Python, or Java. **RESPONSIBILITIES:** * Design scalable architectures that ensure high performance and availability. * Model and optimize relational and NoSQL databases. * Develop well-structured, documented, and secure REST/GraphQL APIs. * Implement backend security measures: authentication, authorization, and vulnerability handling. * Automate testing and deployments through efficient CI/CD pipelines. * Monitor errors and performance using logging, metrics, and alerting tools. **WHAT DO WE OFFER?** * Formal employment from day one. * Competitive market-based salary. * Professional growth opportunities. * Health insurance. * Family allowance. **JOIN TD!** Job type: Full-time Application questions: * Please provide your updated phone number for calls and WhatsApp. * Are you agreeable to formal employment under the MYPE regime? * Are you agreeable to working on-site? * What is your salary expectation? * Do you have experience working with Node.js? * Do you have experience leading teams? Work location: Regular travel required