Senior Java Developer (With Python Skills)

We’re looking for aSenior Java Developer (with Python skills)to join our team in Spain in a remote working mode. In this role, you will design, develop, and maintain highly scalable backend applications using Java and Python/Django, working across the full software development lifecycle from requirements analysis to production deployment.You will contribute to business-critical financial platforms for a leading global financial market infrastructure provider, collaborate closely with architects, product owners, and security specialists, and help ensure adherence to secure coding practices and modern development standards.Design, develop, and maintain Java-based backend services and RESTful APIs using Spring Boot Implement and enhance Python/Django components as part of integrated solutions Participate in requirements analysis, solution design, and technical planning Ensure robust database interaction leveraging relational databases (PostgreSQL, MySQL), including schema design and query optimization Follow clean code practices and object-oriented design principles to deliver maintainable, production-ready code Write unit and integration tests using JUnit, Mockito or equivalent frameworks Perform peer code reviews, ensure code quality and adherence to standards Support CI/CD practices via GitLab pipelines and modern DevOps workflows Configure application observability via monitoring and logging tools (Datadog or similar) Ensure compliance with secure development best practices, including OWASP guidelines Collaborate with cross-functional teams and contribute to end-to-end delivery, including release support and defect resolution 5+ years of professional software development experience, with Java backend expertise (Java 17+, Spring Boot, Spring Data JPA/Hibernate) Practical knowledge of Python and Django frameworks Experience designing scalable backend services and REST API architectures Proficiency with SQL and relational databases, including schema management and performance tuning Deep knowledge of clean code principles, OOP design patterns and maintainable architecture Hands-on experience with CI/CD (Git, GitLab) and collaborative workflows Familiarity with monitoring, logging and observability frameworks (e.g., Datadog) Knowledge of secure coding standards including authentication and authorization frameworks (OAuth2, JWT, SSO) Strong analytical mindset and ability to troubleshoot complex problems English proficiency at B2 level or higher Experience with cloud platforms (AWS or Azure) Knowledge of containerization/orchestration tools (Docker, Kubernetes) Familiarity with microservices architecture and event-driven systems (Kafka, RabbitMQ) Exposure to static code analysis and vulnerability scanning tools (SonarQube, BlackDuck, Trivy) Experience in system design, technical leadership or mentoring roles Awareness of cybersecurity standards, fundamentals and networking concepts

Senior Java Developer (with Python skills) to join our team in Spain in a remote working mode. In this role, you will design, develop, and maintain highly scalable backend applications using Java and Python/Django, working across the full software development lifecycle from requirements analysis to production deployment. You will contribute to business-critical financial platforms for a leading global financial market infrastructure provider, collaborate closely with architects, product owners, and security specialists, and help ensure adherence to secure coding practices and modern development standards. Design, develop, and maintain Java-based backend services and RESTful APIs using Spring Boot Implement and enhance Python/Django components as part of integrated solutions Participate in requirements analysis, solution design, and technical planning Ensure robust database interaction leveraging relational databases (PostgreSQL, MySQL), including schema design and query optimization Follow clean code practices and object-oriented design principles to deliver maintainable, production-ready code Write unit and integration tests using JUnit, Mockito or equivalent frameworks Perform peer code reviews, ensure code quality and adherence to standards Support CI/CD practices via GitLab pipelines and modern DevOps workflows Configure application observability via monitoring and logging tools (Datadog or similar) Ensure compliance with secure development best practices, including OWASP guidelines Collaborate with cross-functional teams and contribute to end-to-end delivery, including release support and defect resolution 5+ years of professional software development experience, with Java backend expertise (Java 17+, Spring Boot, Spring Data JPA/Hibernate) Practical knowledge of Python and Django frameworks Experience designing scalable backend services and REST API architectures Proficiency with SQL and relational databases, including schema management and performance tuning Deep knowledge of clean code principles, OOP design patterns and maintainable architecture Hands-on experience with CI/CD (Git, GitLab) and collaborative workflows Familiarity with monitoring, logging and observability frameworks (e.g., Datadog) Knowledge of secure coding standards including authentication and authorization frameworks (OAuth2, JWT, SSO) Strong analytical mindset and ability to troubleshoot complex problems English proficiency at B2 level or higher Experience with cloud platforms (AWS or Azure) Knowledge of containerization/orchestration tools (Docker, Kubernetes) Familiarity with microservices architecture and event-driven systems (Kafka, RabbitMQ) Exposure to static code analysis and vulnerability scanning tools (SonarQube, BlackDuck, Trivy) Experience in system design, technical leadership or mentoring roles Awareness of cybersecurity standards, fundamentals and networking concepts