Job Description

Job Overview
We are looking for an experienced Senior Backend Developer to join a global banking technology team in Malaga, Spain. This role focuses on the design, development, and optimisation of backend solutions using Banksphere (BKS) and Spring Boot microservices architecture.
You will be responsible for maintaining existing BKS applications, supporting their migration to modern Spring Boot frameworks, and ensuring software quality, performance, and security. This position is ideal for a backend developer who thrives in complex environments, enjoys collaborating on technical design, and wants to play a key role in digital transformation projects within Corporate & Investment Banking.
Key Responsibilities

• Design and develop backend solutions under Banksphere and Spring Boot architectures.
• Carry out corrective and evolutionary development in existing BKS applications.
• Participate in the refactoring and migration of legacy BKS code to Spring Boot.
• Contribute to technical solution design in line with corporate architecture frameworks.
• Implement software quality and security controls, ensuring compliance with standards.
• Support Agile development methodologies, actively participating in ceremonies.
• Collaborate on the optimisation of development processes to improve efficiency and scalability.
• Manage application configuration and deployment through CI/CD pipelines.

Requirements
Qualifications and Experience
Required:

• Proven experience in backend application development using Banksphere (BKS) and Spring Boot.
• Strong knowledge of Java (Java 17 preferred).
• Familiarity with CI/CD pipelines, configuration, and deployment practices.
• Knowledge of microservices architecture and integration.
• Experience with Oracle databases and version control systems (GitHub).
• Agile methodology experience.
• Strong English communication skills.

Preferred:

• Familiarity with Spring Cloud, OpenAPI, Kafka, and functional/reactive programming.
• Knowledge of OpenShift/Kubernetes environments.
• Understanding of design patterns, data structures, and testing practices (Sonar, UrbanCode).
• Domain knowledge of cash products (payments, balances, transactions).
• Interest in emerging technologies and programming languages.

Other Requirements:

• Willingness to relocate to Malaga, Spain.

Skills Required