Senior Backend Developer

Senior Backend Developer – Digital Scale-up Team 

About SICPA & the Digital Scale-up Team 

At SICPA, we safeguard sovereignty by enabling nation-states to protect their most critical assets through cutting-edge digital solutions. The Digital Scale-up Team, part of the Digital Research & Innovation department, is a newly formed unit dedicated to scaling up innovative products for governments, leveraging state of the art digital technologies.   

We are looking for an entrepreneurial-minded person who thrives in problem-solving, takes ownership, and drives innovation with minimal guidance - balancing technical excellence with business impact.  

The Backend Developer will help us to design and build robust, scalable backend systems that power our applications. 

Your Responsibilities 

• Design, develop, and maintain high-performance backend services and APIs using Java, SQL, Kotlin, or Python. 
• Work with cross-functional teams to define system architecture and ensure seamless integration with frontend applications. 
• Develop and maintain RESTful APIs, ensuring efficient communication between the mobile app, database, and other services. 
• Ensure the scalability, security, and performance of backend systems, with a focus on real-time data processing and large-scale systems. 
• Collaborate with product managers, designers, and other developers to create and implement innovative solutions. 
• Implement best practices for data security, including encryption and secure data handling. 
• Participate in Agile development processes and contribute to code reviews and continuous improvement. 
• Continuously optimize backend code to improve efficiency and reduce latency. 

Your Profile 

• Recent experience on latests versions of Java (including Maven and Spring framework), Kotlin, or Python. 
• Strong knowledge of RESTful API design, Microservices, and API security (OAuth2, JWT). 
• Experience with cloud platforms (AWS, Google Cloud, or Azure) and distributed systems. 
• Proficiency in database management systems, both SQL and NoSQL (e.g., PostgreSQL, MongoDB). 
• Knowledge of CI/CD pipelines and experience with Docker, Kubernetes, helm, GitHub actions or similar containerization tools. 
• Familiarity with Agile methodologies and working in a collaborative, fast-paced environment. 
• Strong problem-solving skills and the ability to optimize and scale systems efficiently. 
• Fluent in English (French is a plus). 

Why Join Us? 

• A unique opportunity to work on a high-impact project contributing to digital sovereignty. 
• An innovative and dynamic environment where your ideas matter. 
• Passionate teams and a culture that fosters collaboration and technical excellence. 
• A fast-growing environment with exciting challenges and cutting-edge technologies.