Senior Software Developer - Java & AWS Cloud (Ref : 329)

Confidential

ESCH-SUR-ALZETTE, Esch-sur-Alzette, Luxembourg permanent

Posted: January 30, 2026

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Job Description

We are seeking a Senior Software Developer with deep expertise in Java and Spring, who is also proficient with Spring Boot Data, Hibernate, and relational databases. The ideal candidate will have a strong background in designing and developing robust, scalable solutions within AWS environments, and will be comfortable working with Python and Infrastructure as Code (Terraform). You will work closely with data engineers to ensure seamless integration and data flow between systems. Experience with AI tools is a valued plus. You will join the Scrum team of one of our products, collaborating with fellow developers, architects, and business stakeholders to deliver and maintain high-quality software in line with sprint objectives.

In this context, your role will include:

Backend Development:

• Design, develop, and maintain backend services and APIs using Java 21, Spring Boot with either Spring Boot Data, Hibernate or pure JDBC database connectors.

• Integrate and optimize solutions with Oracle or Aurora PostgreSQL databases.

• Ensure robust, secure, and scalable code following established architecture and best practices.

Cloud & DevOps:

• Build and deploy applications on AWS, utilizing services such as ECS, Lambda, StepFunction, RDS, S3, SQS, SNS and CloudWatch.

• Develop and manage Infrastructure as Code using Terraform, ensuring reliable and repeatable cloud environments.

• Participate in CI/CD pipeline setup and maintenance.

Python & Cross-Technology Development:

• Handle Python developments as required for automation, data processing, or integration tasks.

• Collaborate with data engineers to ensure effective data integration, exchange, and transformation between systems.

Collaboration & Support:

• Work closely with cross-functional teams to gather requirements, design solutions, and deliver features.

• Participate in troubleshooting, monitoring, and user support activities as part of the product team.

• Mentor junior team members and contribute to a culture of continuous improvement.

Continuous Improvement:

• Stay up to date with the latest industry trends, technologies, and best practices in software development, cloud, and DevOps.

• Proactively suggest improvements to enhance system performance, scalability, and maintainability.

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