David Castellar Martínez
Desarrollador Backend
Perfil profesional
Software developer with 3 years of experience in backend , specializing in robust REST APIs for banking and e-commerce . Skilled in microservices , serverless , event-driven architectures , testing , and deployments on AWS . Quick learner and team collaborator
Experiencia laboral
Developed backend with Java and Spring Boot, accessed PostgreSQL using JPA, followed layered architecture and asynchronous microservices communication. Minor frontend tasks with Angular.
Logro principalBackend development with Java and Spring Boot, PostgreSQL via JPA, microservices, asynchronous communication, layered architecture, minor frontend with Angular.
Worked on Angular (v8-17) components, Bootstrap for UI, backend with Node.js and Express.js, MongoDB via Mongoose, optimized queries, followed Clean Architecture and Clean Code.
Logro principalDeveloped and maintained websites with Angular, Bootstrap, Node.js, Express.js, MongoDB, Clean Architecture, Clean Code.
Developed features in Java, Kotlin, Go, JWT authentication, optimized queries, system monitoring with Datadog and AWS CloudWatch, supported releases, authored RFCs, used blue-green/canary deployments.
Logro principalImplemented JWT authentication, optimized queries with Java, Kotlin, Go, system monitoring with Datadog, AWS CloudWatch, RFCs, blue-green and canary deployments.
Formación académica
Udemy | Bootcamp
