**About the Job** At **knowmad mood**, we are looking for a **Backend Developer** for a project undergoing full technological transformation. You will join a team with event-driven communication and a focus on quality, resilience, and scalability. If you are an expert in *Java*, autonomous, and motivated to work with cutting-edge technologies in a flexible environment, this opportunity is for you! **Technologies and Technical Requirements** * **Languages and frameworks:** Java, Spring, Python * **Architecture:** Proficiency in hexagonal architecture and microservices * **Databases:** SQL, MongoDB, Couchbase, DynamoDB (internal training available) * **Cloud and DevOps:** Proven experience with AWS Serverless (Lambda, Step Functions, DynamoDB) * **Terraform** * CI/CD, REST services, OpenAPI * **Others:** Kafka and EventBridge for event communication * Opensearch as search engine * Grafana for observability * Advanced version control with Git (GitFlow, PR reviews, branching strategies) * **Quality and best practices:** Clean Code and SOLID principles * Testing with minimum 80% coverage * Experience in code reviews * Focus on observability, resilience, and maintainability * **Methodologies:** Scrum/Kanban and CI/CD pipelines **Benefits of Working at knowmad mood** ** Work Mode:** 100% remote **✈ Work mood** * 22 vacation days + 2 personal days + December 24th and 31st (company closure). ** Our mood** * Smart working: real flexibility — what matters most are results and your well-being. **✨ Evolution mood** * Customized career plan. * Technical, methodological, language, and certification training. * Leadership development program. ** Happy mood** * Comprehensive wellness program: physical activity, nutrition, and emotional balance. * 24/7 work-life balance program for you and your family. * Team-building activities and celebrations (Summer Party, Christmas Party). ** Knowmad moments** * Welcome pack. * Birthday, work anniversary, and special occasion celebrations. **Contract type:** Permanent. **knowmad mood is a company that cares about you — your happiness, your well-being, and your health.** *"We are committed to equal opportunities and respect for diversity. We implement our Equality Plan and the principle of non-discrimination across all our recruitment processes."* * Spain * Permanent * 6 months to 2 years of experience * 0 * 0 () * 0 ()