Senior Backend Developer

Caliberly; Dubai; On-site; AED 320,000 - 520,000; Full time

Job summary

Caliberly is seeking a Senior Back-End Java Developer to design and build core services for a modern cross-border payments platform. You will own end-to-end backend components, focusing on robustness, correctness, and scalable performance within distributed systems.

Ideal candidates bring 5+ years of Java backend experience, strong Spring Boot skills, and a track record with microservices, databases, and messaging systems.

Qualifications

• 5+ years of back-end development with Java
• Expertise in Java 11+ and Spring/Spring Boot
• Strong experience with RESTful APIs and microservices
• Distributed systems focus: service discovery, resilience, observability
• Relational databases (PostgreSQL/MySQL) and NoSQL familiarity
• Experience with messaging (Kafka/RabbitMQ)
• CI/CD pipelines, Docker, and cloud platforms (AWS/Azure/GCP)
• Security, performance, and scalability in financial or mission-critical systems
• Excellent communication and collaboration with product, QA, DevOps, and frontend teams
• Bonus: payments, FX, cross-border transfers, ISO 20022, SWIFT, or event-driven architectures

Skills

Java 11+

Spring Boot

RESTful APIs

Distributed systems

Relational databases

NoSQL

Kafka/RabbitMQ

Unit/integration testing

CI/CD

Docker

Cloud platforms (AWS/Azure/GCP)

Security & performance

Communication

Payments/FX/ISO 20022 (bonus)

Tools

Docker

Job description

Our clientis building a modern cross-border payments and financial infrastructure platform (exchange, clearing, messaging, digital currency) for banks and financial institutions. We're looking for a Senior Back-End Java Developer (5+ years) to help design and build our core services.

Profile summary

• 5+ years of professional experience in back-end development with Java
• Strong hands-on experience with Java 11+, Spring / Spring Boot, and RESTful APIs
• Solid background in distributed systems / microservices, including service discovery, resilience, and observability
• Excellent knowledge of relational databases (e.g. PostgreSQL, MySQL) and familiarity with NoSQL stores
• Experience with message brokers/streaming (Kafka, RabbitMQ, or similar)
• Strong focus on clean code, testing (unit/integration), and code reviews
• Comfortable with CI/CD pipelines, containerization (Docker), and cloud platforms (AWS/Azure/GCP)
• Good understanding of security, performance, and scalability in financial or mission-critical systems
• Strong communication skills and ability to work closely with product, QA, DevOps, and front-end teams
• Bonus: experience with payments, FX, cross-border transfers, ISO 20022, SWIFT, or other financial protocols; exposure to event-driven architectures and DDD

Languages and location

• Fluent English is a must (written and spoken)
• Location: strong preference for UAE, Dubai, with flexibility for remote candidates who are highly qualified

This role is ideal for someone who enjoys owning services end-to-end, cares about robustness and correctness, and wants to help shape the technical backbone of a next-generation financial network.