Senior Java & SQL Developer – Kuwait

About the role

We are looking for a Senior Java & SQL Developer to design, develop and optimise high‑performance Java applications and database layers for student registration platforms. The role involves close collaboration with infrastructure teams to ensure the solutions are scalable, reliable and efficient.

Key responsibilities

• Design and develop scalable, high‑performance Java applications.
• Analyse system behaviour under load and perform optimisations.
• Perform advanced SQL tuning, including execution‑plan analysis, indexing strategies and query refactoring.
• Identify and resolve performance bottlenecks in both application and database layers.
• Lead troubleshooting of production issues such as slow responses, timeouts and DB locks.
• Optimise database structure, queries and transactions for maximum efficiency.
• Support and enhance student systems and registration platforms.
• Work with infrastructure teams to tune JVM, connection pools and servers.
• Implement caching, load balancing and other performance‑improvement techniques.
• Review and improve existing codebase for efficiency and scalability.
• Maintain clear documentation for systems, fixes and optimisations.

Required profile

• Bachelor’s degree in Computer Science, IT or a related field.
• 5+ years of experience in Java backend development.
• Strong hands‑on experience with SQL performance tuning and optimisation.
• Proven experience handling high‑concurrency or high‑traffic systems.
• Experience with REST APIs and system integrations.
• Strong analytical and troubleshooting skills in production environments.

Required skills

• Java (core and modern frameworks)
• SQL and advanced query optimisation
• Java application servers (WildFly, Tomcat)
• JVM tuning (heap, GC, thread pools)
• Connection‑pool and datasource tuning
• Linux server environments
• Monitoring and logging tools
• Caching and load‑balancing techniques