أدخل المسمى الوظيفي أو الكلمة الرئيسية

Kotlin Back-End Developer

Reference Agency


موقع الوظيفة:

القاهرة - مصر

الراتب شهرياً: لم يتم تقديمه من قبل صاحب العمل
الخبرة المطلوبة: 4-5سنوات
تم النشر: 21 اغسطس 2026 (نُشرت قبل 18 ساعة)
آخر موعد للتقديم: 18 نوفمبر 2026
عدد الوظائف الشاغرة: 1 عدد الوظائف الشاغرة

ملخص الوظيفة

Our Client is a fast-growing HealthTech company building the Arab worlds first unified health-data platform one Arabic-first dashboard that brings together users sleep nutrition activity and heart data from 15 smart devices powered by an AI health assistant.

Were looking for a hands-on Back-End Developer to work part-time and fully remote on the core services that ingest process and serve millions of health-data points. Youll own backend features end-to-end in a modern Kotlin Spring Boot stack working closely with the mobile team on clean well-documented APIs.

Key Responsibilities:

  • Design build and maintain backend services in Kotlin 2.x and Spring Boot 3.x
  • Model and optimize data across PostgreSQL 17 (transactional) and ClickHouse (analytics/OLAP)
  • Build and document clean versioned REST APIs consumed by the iOS and Android apps
  • Integrate and normalize data from third-party wearable/device APIs
  • Design efficient data flows between the transactional store and the analytics layer
  • Ensure security encryption and privacy standards for sensitive health data
  • Write tests participate in code reviews and keep technical documentation current


Requirements
  • Proven experience shipping production backend systems in Kotlin
  • Strong hands-on Spring Boot 3.x experience
  • Solid PostgreSQL skills (schema design indexing query optimization)
  • Working experience with ClickHouse or a comparable OLAP/columnar store
  • Comfortable designing REST APIs and working with JSON at scale
  • Self-directed and reliable in a remote part-time setup
  • Good written English; Arabic is a plus

Skills:

  • Kotlin Spring Boot REST API design PostgreSQL ClickHouse
  • Coroutines/concurrency Gradle Docker CI/CD Git
  • Data modeling performance tuning secure data handling


Benefits
  • 100% remote flexible part-time hours
  • Modern greenfield stack with real ownership
  • High-impact product in a fast-scaling regional HealthTech