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Backend Developer

hace 3 semanas

Barcelona, Barcelona, España Caravelo A tiempo completo

About Caravelo
About Caravelo

Caravelo is a pioneering force in TravelTech innovation, seamlessly integrating financial and travel solutions into a unique subscription service. Located in the vibrant city of Barcelona, we pride ourselves on being the world's sole provider of specialized subscription platforms for the travel industry. Our solutions empower airlines and other travel providers to enhance their product offerings, achieve greater profitability, and ensure operational stability.

With a global team of 40 dedicated members, Caravelo has experienced significant growth and embraces a hybrid work model. Our headquarters in Barcelona foster creativity and collaboration, creating a dynamic workplace where ideas thrive.

The mission

The mission

We are seeking a
Backend Developer
who is analytical, results-driven, and experienced in Java backend development. You will be responsible for building robust, scalable, and maintainable backend systems that power our SaaS platform. You will play a key role in shaping system architecture, ensuring high reliability, and driving best practices in testing and observability.

Duties and responsibilities

  • System Architecture: Design, develop, and maintain scalable backend systems using Java, ensuring they meet the needs of a high-transaction fintech and traveltech environment.
  • API Development: Build and evolve public and internal APIs, ensuring robust integration and functionality. Apply best practices in API security and data handling to meet stringent compliance requirements.
  • Code Quality: Ensure high-quality code through rigorous testing, including unit, integration, and automated testing frameworks. Lead by example in writing clean, maintainable code and conducting thorough code reviews.
  • Observability and Reliability: Implement comprehensive observability practices, metrics, logging, and tracing, to monitor system health and proactively detect issues. Ensure high availability through robust error handling, monitoring, and incident response.
  • Performance Optimization: Proactively identify and resolve performance bottlenecks in backend systems. Use observability tools like DataDog to monitor system performance and ensure optimal operation.
  • Documentation: Create and maintain comprehensive technical documentation to support backend operations and team collaboration.
  • Technical Debt Management: Proactively identify technical debt, propose improvements, and implement solutions to maintain a clean and efficient codebase.
  • Collaboration: Collaborate effectively with cross-disciplinary teams to ensure product consistency and customer satisfaction.
  • Continuous Improvement: Stay up to date with industry trends in Java, backend development, AI tools, and enterprise SaaS. Actively use AI-powered development tools in your daily work to boost productivity, automate repetitive tasks, and contribute to process and workflow enhancements.

Required Skills And Experience
Required skills and experience

  • Extensive experience in Java backend development, with a strong understanding of other backend technologies and the entire product development process.
  • Proven track record in designing and implementing large-scale backend solutions in cloud environments, particularly AWS.
  • Deep understanding of Hexagonal Architecture and its application in building modular, maintainable, and testable systems.
  • Strong experience in developing RESTful APIs and microservices architectures.
  • Proficiency in both relational and non-relational databases.
  • Expertise in automated testing (unit, integration, E2E), TDD, and CI/CD pipelines.
  • Solid grasp of observability tools and practices (e.g., DataDog), including metrics, logs, and traces.
  • Familiarity with build automation tools (Maven, Gradle) and version control systems (Git, GitLab, Bitbucket), including branching, merging, and code review workflows.
  • Strong debugging and troubleshooting skills, including experience with asynchronous callbacks, multi-threaded environments, and parallel computing.
  • Analytical mindset with excellent time management and problem-solving skills.
  • Curiosity about new technologies and a passion for continuous learning and staying current with backend technologies and best practices.
  • Bachelor's degree in Computer Science, Software Engineering, or a related field.

Nice to have:

  • Experience with advanced performance tuning, caching, and resource management.
  • Strong knowledge of CI/CD practices and DevOps collaboration.
  • Familiarity with front-end technologies and frameworks , Nuxt) is a plus.
  • Understanding of memory management, object immutability, and garbage collection in Java.
  • Experience in security, compliance, and enterprise SaaS environments.
  • Ability to mentor and upskill team members, conduct code reviews, and facilitate technical workshops.

What we offer

  • Competitive Salary – We offer a competitive compensation package with performance-based incentives.
  • Career Growth – Work in a high-growth environment with opportunities for professional development.
  • Awesome Culture – Join a diverse, inclusive, and innovative team that values collaboration.
  • High Impact Role – Play a key role in shaping the backend architecture of a growing SaaS platform.
  • Exciting Travel-Tech Projects – Help revolutionize airline subscriptions and travel commerce.
  • Coverflex Card – Use it for restaurants, transportation, childcare, and even health insurance—tax-free
  • Tech Tools Budget – Receive €150 after passing the probation period to spend on tech tools of your choice.