Senior Java Developer | Spring Boot, Redis & PostgreSQL | Dubai, UAE | 6-Month Contract

Location

Dubai, United Arab Emirates - Onsite

Job Category

• Information Technology (IT) & Software
• Engineering & Technical
• Others / Miscellaneous

Job Overview

We are seeking a Senior Java Developer to support a live Java and Spring Boot backend environment in Dubai. This is a 6-month contract with a possibility of extension, focused on delivering bug fixes, new features, and critical performance and scalability improvements as application data volumes increase.

The successful candidate will have strong hands‑on experience with Java, Spring Boot, PostgreSQL, and Redis, with particular expertise in database tuning, caching strategies, debugging, performance profiling, and production-scale optimization. The role requires a developer capable of improving application latency, throughput, and database performance within a live production environment.

This position provides opportunities for career growth and professional development through hands‑on exposure to backend engineering, production optimization, distributed data technologies, database performance, caching, and Agile/Scrum delivery. Immediate joiners currently based in the UAE are strongly preferred.

Key Responsibilities

• Develop and maintain Java and Spring Boot backend applications.
• Deliver bug fixes and new backend features in a live production environment.
• Optimize application performance as data volumes increase.
• Perform PostgreSQL schema, indexing, and query optimization.
• Analyze and tune PostgreSQL database performance.
• Design and optimize Redis caching strategies.
• Configure and manage Redis TTL and eviction policies.
• Troubleshoot complex production issues and application bottlenecks.
• Conduct performance profiling and identify optimization opportunities.
• Improve application latency and throughput.
• Reduce database load through application and database optimization.
• Support production scaling initiatives.
• Monitor application performance and reliability.
• Participate in Agile/Scrum development and delivery activities.
• Collaborate with technical teams to implement scalable backend solutions.

Requirements & Qualifications

• 4-6+ years of experience in Java/Spring Boot development; 8+ years preferred.
• Strong hands‑on experience with Java and Spring Boot.
• Mandatory hands‑on experience with PostgreSQL.
• Strong knowledge of PostgreSQL:
  • Schema design and optimization
  • Indexing
  • Query optimization
  • Database performance tuning
• Mandatory hands‑on experience with Redis.
• Strong understanding of:
  • Caching strategies
  • TTL configuration
  • Eviction policies
• Proven experience with production scaling and performance optimization.
• Strong debugging and performance profiling capabilities.
• Experience improving application latency, throughput, and database load.
• Experience working in live production environments.
• Familiarity with Agile/Scrum delivery methodologies.
• Strong analytical and problem-solving skills.
• Ability to work onsite in Dubai.
• Immediate availability is strongly preferred, particularly for candidates already based in the UAE.

Salary, Benefits & Career Growth

The job description does not specify a salary or compensation package.

This is a 6-month contract with a possibility of extension, providing an opportunity to work on a live backend platform and gain advanced experience in Java, Spring Boot, PostgreSQL performance tuning, Redis caching, and production scalability.

The role supports career growth and professional development through hands‑on work involving backend optimization, database engineering, performance profiling, production troubleshooting, scaling, and Agile/Scrum delivery. Continued technical upskilling in Java, distributed systems, database optimization, caching technologies, and backend architecture can support long-term career progression.