About this role
Joining KEYES means giving purpose to your talent. Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES , we are not just looking for technical expertise; we are looking for people who share our values. Do you want to continue your career and grow within one of Belgium’s leading IT companies? Join KEYES as a Backend Software Engineer! We support large enterprises, the public sector, healthcare organizations, and SMEs in all their digital challenges : Infrastructure & Cloud Solutions, Cybersecurity Solutions, Business Software Solutions, Mainframe Solutions, Data & AI Solutions, Advisory Solutions, and Staffing Solutions. More information: www.keyes.eu THE BACKGROUND For our client, an EU Institution based in Brussels, we are looking for a Backend Software Engineer (Python) to join a long-term mission within an international team delivering modern digital services and business-critical applications. You will contribute to the development, maintenance, and enhancement of backend services and APIs, ensuring secure, scalable, and high-performing applications that support key business processes. Please note : candidates must be located within (2) two hours of Brussels, as regular onsite presence is required throughout the assignment. YOUR MISSION As a Backend Software Engineer , your responsibilities will be as follows: Architect server-side components and services that form the backbone of web applications, employing best practices in Python programming. Develop and maintain RESTful APIs to facilitate seamless communication between front-end and back-end systems. Design, implement, and optimise database schemas and queries to ensure efficient data storage and retrieval processes. Manage database security measures to protect sensitive information, ensuring compliance with data protection standards. Enhance application performance by identifying bottlenecks and optimising server-side code and database queries. Implement scalable architectures to handle increased user load and data volume, leveraging cloud services and containerisation. Conduct regular code reviews and use vulnerability scanning tools to identify and address potential security issues. Implement security protocols and standards to safeguard applications against threats and ensure data privacy. Collaborate closely with front-end developers, UI/UX designers, product managers, and other stakeholders to deliver quality web application solutions. Help translate business requirements into technical specifications and adjust implementations based on feedback. Set up and maintain CI/CD pipelines to automate testing and deployments, ensuring consistent and rapid delivery of applications. Participate in deploying applications in cloud environments, using infrastructure-as-code and configuration management tools. Actively engage in debugging and resolving issues raised during testing or reported in production. Write technical documentation . #LI- MS1 #TRASYS