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Back End Developer

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United Arab Emirates · Full-time · Mid-Senior

We are looking for a Senior Backend Engineer with strong experience in building scalable microservices, API integrations, and enterprise backend systems. The ideal candidate should be skilled in Spring Boot / FastAPI, databases, messaging systems, and API security.


Responsibilities

  • Build and maintain REST/gRPC microservices using Spring Boot or FastAPI.
  • Secure APIs using Keycloak / AD / ADFS and manage API gateways (Kong / WSO2).
  • Design and optimize database schemas (Oracle, PostgreSQL).
  • Implement ETL/ELT pipelines, CDC, and batch integrations (Airflow/Airbyte/Spark).
  • Work with Kafka, RabbitMQ, ActiveMQ for messaging workflows.
  • Configure CDNs (CloudFront, Cloudflare, Fastly) for caching, performance & security.
  • Use Elasticsearch / ELK Stack for search, logging & monitoring.
  • Maintain API documentation and integration specs (OpenAPI/Swagger).


Skills & Experience

  • Strong experience with Spring Boot or FastAPI.
  • Hands-on with PostgreSQL, Oracle, Elasticsearch.
  • Experience with Kong/W2SO, Keycloak/ADFS.
  • Knowledge of microservices, REST/gRPC, CI/CD (Git, Azure DevOps).
  • Familiar with ETL/ELT tools, messaging queues, and caching technologies.


Nice to Have

  • Oracle SOA, E-Business Suite, WebLogic.
  • Docker, Kubernetes, Helm.
  • TypeScript or Go.
  • ChatOps (Rocket.Chat), Appwrite.

Key Skills

Ranked by relevance

microservices spring boot oracle elasticsearch kubernetes postgresql cloudflare rabbitmq kafka cicd git elk
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Country Guide

United Arab Emirates

Tax-friendly regional tech hub

Posted
Nov 19, 2025
Type
Full-time
Level
Mid-Senior
Location
Abu Dhabi
Company
Capital Numbers

Industries

Software Development IT Services IT Consulting

Categories

Information Technology

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