Senior Backend Developer

abra R&D is looking for a strong C# developer to join our team! Job Description: - Design, development, and maintenance of core components in complex, high-performance, multidisciplinary systems. - End-to-end responsibility for database architecture, implementation, optimization, and maintenance (SQL/NoSQL). - Requirements analysis and creation of detailed software design specifications. - Planning and execution of system integration and system-of-systems deployments for internal and external customers. - Participation in formal system delivery and acceptance processes for customers in Israel and abroad. - B.Sc. in Computer Science / Software Engineering (or equivalent experience) and strong teamwork skills. - 5+ years of experience in Backend development using C#/.NET in complex systems. - Proven hands-on experience in designing and building relational SQL databases – data modeling, table design, relationships, indexes, and performance optimization. Strong understanding of database architecture principles and backend–database integration. - Experience with CI/CD pipelines, DevOps practices, and source control systems. Nice to have: - Familiarity with system integration processes and system-of-systems environments. - Strong analytical skills and experience writing detailed technical and database design documents. - Experience in designing scalable and high-availability database solutions.