Job Summary: We are seeking a Senior Engineer for Reef, our global technology ecosystem, to participate in the design and development of technical solutions and lead transformative projects with real-world impact. Key Highlights: 1. Participate in the design and development of innovative technical solutions. 2. Collaborate in multidisciplinary teams using agile methodologies. 3. Opportunity to make a lasting impact on a transformative technology project. Do you enjoy challenges and projects that mark a before-and-after? Great news: at MAPFRE Tech, we are currently looking for a **Senior Engineer** for Reef, our global technology ecosystem. Reef is not just a platform—it is the project itself: an integrated, modular, and scalable solution addressing all of MAPFRE’s needs as an insurance group. Now, we want you to be the protagonist of this chapter. We seek professionals eager to learn, build, and leave their mark from within—no cape required, but definitely the right attitude to embrace change. So, if you’ve ever thought, “I’d love to participate in a transformative project with real impact and surrounded by top-tier talent,” this is your opportunity. **What will you do with us?** * Participate in the design and development of technical solutions based on the Reef platform, ensuring adherence to best development practices. * Develop and maintain applications using technologies such as Java and Spring Boot. * Implement and optimize microservices architectures, ensuring scalability and performance. * Integrate solutions via API Management (REST/OpenAPI and events/AsyncAPI). * Work with container-based architectures (Docker and Kubernetes). * Manage relational (Oracle) and non-relational databases (MongoDB, DynamoDB, etc.). * Configure CI/CD pipelines using tools such as Jenkins. * Implement application-level security measures (OAuth, SAML, etc.). * Collaborate in multidisciplinary teams following agile methodologies. **What do you need to know?** * Minimum **5 years’ experience** in application development and design. * Solid expertise in **Java, Spring Boot**, and microservices development. * Experience in **API Management integrations** and container-based architectures. * Familiarity with relational and non-relational databases. * Experience with CI/CD tools (**Jenkins**) and version control systems (**GitHub, Bitbucket**). * Knowledge of application security (**OAuth, SAML**). * Experience with **agile methodologies**. * Technical degree in **Computer Engineering, Telecommunications, or related field**. * English proficiency level **B2**. **Desirable:** * Experience with cloud architectures (IaaS, PaaS, SaaS, Serverless or FaaS), preferably with AWS; Azure, GCP, and OCI are also valued. * Familiarity with **generative AI solutions** in the development lifecycle (e.g., GitHub Copilot, automated testing with LLMs). * Technical certifications in development or architecture (Java Developer, Cloud Developer, etc.). **What can we offer you?** * Flexible working hours and remote work (3 days in the office and 2 days remote) * A flexible compensation program including meal vouchers, childcare vouchers, private health insurance, life insurance, employee discounts, etc. If you live in Madrid city, you’ll have access to a dedicated bus route to the office. * Access to an attractive pension plan. * Summer reduced working hours. * You’ll be the protagonist of your learning journey, with access to thousands of resources to further develop your technical knowledge. Additionally, you’ll receive an annual allowance of €1,100 to further expand your expertise. * 25 vacation days per year (pro-rated from your start date). * At MAPFRE, we do not work on December 24, December 31, and January 5. * 28 annual personal days + 3 recoverable days during Easter week. * Opportunity to participate in volunteering projects. * Padel courts and gym facilities at our María Tubau offices. * An outstanding place to work! We rank among the top 50 best companies to work for in Spain, according to Forbes magazine. **Where are we located?** * Calle María Tubau, Madrid **Diversity makes us unique!** All selection processes conducted at MAPFRE are carried out under the principle of EQUAL OPPORTUNITY and NON-DISCRIMINATION, with candidates’ SKILLS and PERSONAL AND PROFESSIONAL MERIT serving as the sole criteria for final selection. We foster work environments that value diversity and prohibit discrimination on grounds of gender, race, ideology, religion, sexual orientation, age, nationality, disability, or any other personal, physical, or social condition. You may consult our Diversity and Equal Opportunity Policy at: politica\-de\-diversidad\-e\-igualdad\-de\-oportunidades.pdf (mapfre.com) By applying to this job posting, you acknowledge and consent to MAPFRE’s processing of the personal data you voluntarily provide through this platform. If you submit personal data of third parties other than yourself, you guarantee that you have obtained and hold their prior consent for the sharing of their data and have duly informed them. MAPFRE, as data controller, will process your data solely for the purpose of managing your participation in recruitment processes, which may include profiling and automated decision-making. To manage your participation across various recruitment processes within the MAPFRE Group, its subsidiaries, affiliates, and MAPFRE Foundation, your data may be shared with these entities and subject to international transfers. Additional information regarding data protection at MAPFRE is available at https://www.mapfre.com/corporativo\-es/clausulas/RRHHseleccion.pdf, where you will find instructions on how to exercise your rights of access, rectification, erasure, restriction, objection, and data portability.