Backend Software Engineer

Qascom | Aerospace & Defence is looking for a Backend Software Engineer for its headquarter in Cassola (VI), Italy. As part of the Software Engineering Team, the candidate will contribute to the design, development, testing and implementation of high-end critical software applications for space missions and Governmental services. This includes the possibility of being involved in the newest cutting-edge projects of the European Space Agency and the Italian Space Agency, as well as supporting the major international industrial players of the sector.

Initially, the resource will manage the maintenance and evolution of a complex distributed system for GNSS interference monitoring .

What you’ll work on

• Design, development, test and deployment of distributed systems for data collection, storage and visualization;
• System level activities, including but not limited to, requirements analysis, identification and flow-down, software design and development
• Development of technical documentation , according to the applicable standards relevant to the engineering domain (e.g. ESA/ECSS, GSWS, ETSI, etc.)
• Implementation and deployment of RAG systems and fine-tuned LLMs in production environments.
• Maintenance of production systems with focus on availability, according to SLA
• Management of the system infrastructure and DevOps activities , including monitoring, troubleshooting, and fixing infrastructure-related issues

What do you need

• Bachelor’s or Master’s degree in Computer Science Engineering;
• Professional experience in developing and maintaining complex applications deployed in production, ideally under SLA;
• Professional experience with relational databases ;
• Professional experience of containerization (Docker is required, Kubernetes is a plus);
• Good knowledge of web applications developments and deployment;
• Good knowledge of security principles;
• Good knowledge of software engineering, design practices, patterns and object-oriented programming ;
• Proficient in .Net Core ;
• Hands on experience with Linux ;
• Exposure to distributed systems , event driven development, microservices and message brokers ;
• Eligibility for National Security Clearance;
• Good knowledge of written and spoken English .

Desired Knowledge & Skills

• Experience with relational database (schema design, SQL language), PostgreSQL preferred;
• Experience with large scale / high data volume applications;
• Design and production deployment of RAG architectures and fine-tuned Large Language Models, ensuring scalable integration, performance optimization, and secure enterprise adoption;
• Familiarity with Gitlab and DevOps activities (CI/CD, pipelines);
• Knowledge of Angular and/or Python is considered a plus;
• LLMs, RAG, fine-tuning, vector databases, prompt engineering, Python, MLOps, and AI security.

Do you feel you don’t match 100% of the requirements? Don’t hesitate to apply anyway or visit our careers page for further job opportunities Careers | Qascom .