Senior Backend Developer (Java & AWS)

Our Client

Our client is a fintech-software company, part of a leading European financial group, delivering advanced software solutions and data-driven services. They specialise in banking-tech platforms and data engineering, supporting the groups digital-transformation ambitions.


Responsibilities:

Backend Development

• Design, implement, and maintain backend services and APIs using Java 21 and Spring Boot, working with Spring Data, Hibernate, or JDBC connectors.
• Integrate applications with Oracle or Aurora PostgreSQL databases, ensuring efficient performance and reliability.
• Write secure, maintainable, and scalable code aligned with established architectural standards and best practices.

Cloud & DevOps

• Develop and deploy applications in AWS, leveraging services such as ECS, Lambda, Step Functions, RDS, S3, SQS, SNS, and CloudWatch.
• Build and maintain Infrastructure as Code (IaC) using Terraform to ensure consistent and reproducible environments.

• Contribute to the setup and maintenance of CI/CD pipelines.

Python Development

• Use Python for automation, backend utilities, data processing, and system integrations when required.
• Work alongside data engineering teams to enable efficient data exchange, integration, and transformation across systems.

Requirements:

• Degree in Computer Science, Engineering, or a related field.
• Strong experience in backend development using Java 21, Spring, Spring Boot Data, Hibernate, and JDBC.

• Solid knowledge of relational databases.

• Hands-on experience building and deploying solutions in AWS environments (ECS, Lambda, Step Functions, RDS, S3, SQS, SNS, CloudWatch).

• Proficiency in Python for scripting and backend tasks.

• Experience managing infrastructure with Terraform.

• Good understanding of RESTful API design, microservices architecture, and secure coding practices.
• Experience with version control systems such as GitHub or GitLab.

Nice to Have

• Experience collaborating with data engineering teams and integrating backend services with data pipelines.

• Exposure to AI tools or frameworks.

• Familiarity with CI/CD tools and DevOps practices.

• Knowledge of containerization technologies such as Docker or Kubernetes.
• AWS certification (e.g., Solutions Architect or Developer) is considered an advantage.
• Experience working with Agile methodologies and tools like Jira.

• Familiarity with monitoring and alerting systems.