Job Title Software Development Engineer ** All CVs must be submitted in English** About the area/department: As a Lead Full Stack Developer , you will lead the development of custom travel technology solutions across backend and frontend stacks. Your focus will be on crafting high-performance microservices with Java + Spring Boot , designing responsive UIs with React , and deploying scalable applications in cloud-native architectures , particularly using AWS . You'll also provide guidance to engineering teams, shape architectural decisions, and ensure the delivery of maintainable, secure, and high-quality software. In this role, you’ll: Lead design and implementation of full-stack applications with a strong emphasis on backend services Build and maintain RESTful APIs and microservices using Java 11+ and Spring Boot Develop user-friendly, scalable web interfaces using React , Redux , and modern JS frameworks Design and deploy solutions on AWS Cloud , using services such as Lambda, RDS, API Gateway, CloudFormation Champion development best practices including TDD , CI/CD pipelines , and DevSecOps principles Collaborate with product owners and QA to ensure successful end-to-end delivery Mentor and support team members, helping them grow their technical skills. About the Ideal Candidate: You are an experienced full-stack engineer with a passion for scalable system design, clean code, and mentoring others. You enjoy working on both backend and frontend technologies and understand how to bridge the gap between development, DevOps, and architectural design. With strong communication skills in English and Spanish , you thrive in a collaborative, multicultural environment. Technical Competencies Backend Development Java 11+, Spring Boot (MVC, Data, Security) RESTful API design, microservices architecture Frontend Development React + Redux, JavaScript, HTML5, CSS3 Material UI, Bootstrap Cloud & Architecture AWS (EC2, Lambda, RDS, S3, API Gateway, CloudFormation) Cloud-native principles, API security (OAuth, JWT, rate limiting) DevOps & CI/CD Jenkins, GitHub Actions, Bitbucket Pipelines Docker (Kubernetes is a plus), SonarQube Databases PostgreSQL, MySQL, MongoDB Testing & Quality TDD, JUnit, Mockito, Cypress or Jest Secure coding practices and static code analysis Agile & Collaboration Tools Jira, Confluence, Git Scrum/Agile methodologies Bonus Points Experience with Angular 13+ , Node.js + Express Familiarity with Kubernetes , Helm , or Terraform Exposure to AWS serverless architecture patterns (Lambda + DynamoDB) Certifications such as AWS Certified Developer , Solutions Architect , or Certified Scrum Master