Senior Backend Engineer – Real-Time Fleet Orchestration

CargoX; Abu Dhabi; On-site; AED 300,000 - 540,000; Full time

Job summary

CargoX, a UAE-based autonomous logistics company, seeks a Senior Software Engineer (Backend) to build and scale CoreConnect, our fleet orchestration platform. You will design and implement high-performance Kotlin Spring Boot services with a Hexagonal architecture, integrating diverse vehicle APIs and data streams to drive operational excellence.

The role emphasizes real-time data ingestion, secure multi-tenant design, and close collaboration with Product and DevSecOps to deliver reliable,

Qualifications

• Bachelor’s degree or higher in Computer Science or related field.
• 5+ years of professional experience with Java or Kotlin and Spring Boot delivering complex systems in a SaaS startup environment.
• Deep proficiency in distributed systems, Hexagonal Architecture, and scalable API design.
• Experience with SQL (PostgreSQL), GIS (PostGIS), and time-series data (TimescaleDB).
• Experience architecting low-latency communication (WebSockets, MQTT) and building abstraction layers for third-party vendor APIs.
• Security & quality focus with automated testing (unit/integration), SAST/DAST, and observability tooling.
• Frontend experience with React or Next.js and TypeScript.
• Cloud/AWS and Kubernetes (EKS), CI/CD, and Infrastructure as Code (Terraform/Helm).
• Industry background in logistics, robotics, or fleet management systems.
• Business English fluency.

Responsibilities

• Design, implement, and optimize scalable Kotlin Spring Boot backend services using a Hexagonal architecture for high-performance fleet orchestration.
• Manage complex data layers (Postgres/PostGIS, TimescaleDB) and develop a Unified Abstraction Layer to integrate autonomous vehicle APIs.
• Drive real-time data engineering roadmap and resolve bottlenecks to ensure sub-second latency (MQTT/WebSockets).
• Enforce security and observability standards; implement multi-tenant architecture (RLS) and RBAC.
• Partner with Product, Engineering Leadership, and DevSecOps to build high-quality solutions with measurable business impact.
• Mentor engineers, lead code reviews, and promote operational excellence.

Skills

Java

Kotlin

React

TypeScript

Education

Bachelor’s degree in Computer Science or related field

Tools

Spring Boot

Hexagonal Architecture

PostgreSQL

PostGIS

TimescaleDB

WebSockets

MQTT

RBAC

SAST

DAST

Terraform

Kubernetes (EKS)

Job description

CargoX, a UAE-based autonomous logistics company, seeks a Senior Software Engineer (Backend) to build and scale CoreConnect, our fleet orchestration platform. You will design and implement high-performance Kotlin Spring Boot services with a Hexagonal architecture, integrating diverse vehicle APIs and data streams to drive operational excellence.

The role emphasizes real-time data ingestion, secure multi-tenant design, and close collaboration with Product and DevSecOps to deliver reliable,