Senior Backend Engineer - Java/Spring Microservices

First Orion; Dubai; On-site; GBP 31,000 - 54,000; Full time

Benefits offered by this job

Competitive salary

Medical insurance

Paid time off

Flight allowance

Flexible working

Career growth

Job summary

First Orion is seeking a senior backend engineer to own core microservices across our platform, focusing on call treatment orchestration, brand data, analytics, and billing. You’ll work in a hexagonal, event-driven architecture and collaborate with engineering teams to develop scalable, reliable services.

This hands-on role requires strong Java 21 and Spring Boot experience, PostgreSQL, Redis, and Kafka, plus a proven ability to design, implement, test, and support production services in a

Qualifications

• 5+ years of professional backend or software engineering experience.
• Strong experience with Java 21.
• Experience building services with Spring Boot.
• Experience with Gradle using Kotlin DSL.
• Hands-on experience with PostgreSQL.
• Experience working with Redis and Kafka.
• Understanding of microservice and event-driven architecture.
• Experience designing, building, testing, and supporting production services.
• Strong problem-solving and communication skills.
• Ability to work effectively in a collaborative, distributed environment.

Responsibilities

• Build, enhance, and own core microservices across the First Orion platform.
• Develop services supporting call treatment orchestration, brand data, analytics, and billing.
• Design and implement solutions using hexagonal and event-driven architecture patterns.
• Build scalable, reliable backend services using Java and Spring Boot.
• Work with relational databases, caching technologies, and event-streaming platforms.
• Contribute to technical design decisions and help improve reliability and maintainability of services.
• Troubleshoot issues and support services throughout the development lifecycle.
• Collaborate with distributed engineering teams to deliver high-quality solutions.

Skills

Java 21

Spring Boot

Event-driven architecture

Hexagonal architecture

PostgreSQL

Redis

Kafka

Distributed systems

Problem solving

Communication

Tools

Gradle Kotlin DSL

Job description

First Orion is seeking a senior backend engineer to own core microservices across our platform, focusing on call treatment orchestration, brand data, analytics, and billing. You’ll work in a hexagonal, event-driven architecture and collaborate with engineering teams to develop scalable, reliable services.

This hands-on role requires strong Java 21 and Spring Boot experience, PostgreSQL, Redis, and Kafka, plus a proven ability to design, implement, test, and support production services in a