Location: Egypt - Cairo
Job Type: Full Time
Position Overview
We are seeking an experienced Senior JavaBackend Developer to join our dynamic engineering team working on ahigh-concurrency IoT PaaS platform. This role requires a technical leader whocan design and develop scalable backend systems for IoT data collection,processing, and analysis while mentoring junior developers and collaboratingcross-functionally to deliver robust enterprise solutions.
Key Responsibilities
- Develop and maintain high-concurrency IoT PaaS services usingSpringBoot framework
- Design and implement IoT data collection endpoints for variouscommunication protocols (TCP, UDP, MQTT, HTTP)
- Build scalable data consumption and analysis endpoints forreal-time IoT data processing
- Create robust data push endpoints and business-side APIs forseamless integration
- Develop audio/video alarm file services and streaming mediacomponents
- Design loosely coupled architecture with protocol-specificdevice access components
- Write protocol decoders following predefined rules for new IoTdevice integrations
- Implement webhook and OpenAPI methods for third-party platformintegration
- Optimize system performance for high-throughput IoT datascenarios
- Conduct comprehensive code reviews and provide technicalmentorship
- Collaborate with frontend developers, DevOps engineers, andproduct managers
- Lead backend architecture decisions and technical initiatives
- Implement comprehensive testing strategies and monitoringsolutions
- Champion development best practices and coding standards
- Participate in agile development processes and sprint planning
Required Qualifications
Experience & Education
- Bachelor's degree in Computer Science, Software Engineering, orrelated field, or equivalent experience
- 7+ years of professional Java backend development experience
- Proven track record of building high-concurrency distributedsystems
- Experience working in agile development environments
- Experience in a senior or lead developer role
Technical Skills
- Expert proficiency in Java (Java 8+) and Spring ecosystem(SpringBoot, Spring MVC, Spring Security)
- Strong experience with Netty framework for network programmingand protocol handling
- Proficiency with message queue systems (RabbitMQ, Apache Kafka)
- Experience with Redis for caching and session management
- Knowledge of MongoDB for document-based data storage
- Proficiency with MySQL and relational database design
- Understanding of IoT communication protocols (TCP, UDP, MQTT,HTTP, WebSocket)
- Experience with RESTful API design and OpenAPI specifications
- Knowledge of webhook implementation and third-party systemintegration
- Familiarity with streaming media protocols and audio/videoprocessing
- Experience with version control systems (Git) and collaborativeworkflows
- Understanding of microservices architecture and distributedsystems
Core Competencies
- Exceptional problem-solving abilities and analytical thinking
- Strong attention to detail and commitment to code quality
- Excellent communication and mentorship skills
- Ability to translate business requirements into scalabletechnical solutions
- Strong collaborative mindset and cross-functional teamwork
- Experience with high-concurrency and high-availability systemdesign
Preferred Qualifications
- Experience with Docker and Kubernetes for containerizeddeployments
- Knowledge of Linux/Ubuntu server administration and deployment
- Familiarity with Apache Kafka or other distributed streamingplatforms
- Experience with Elasticsearch for log analysis and searchcapabilities
- Knowledge of time-series databases (InfluxDB, TimescaleDB)
- Understanding of IoT device management and protocol translation
- Experience with real-time data processing frameworks (ApacheStorm, Apache Flink)
- Familiarity with monitoring tools (Prometheus, Grafana, ELKstack)
- Knowledge of security best practices for IoT systems
- Experience with CI/CD pipelines and DevOps practices
- Contribution to open-source Java projects
- Experience with cross-platform deployment scenarios
What We Offer
- Competitive salary package
- Collaborative and innovative work environment
- Opportunity to work on cutting-edge IoT platform servingmillions of devices
- Exposure to latest technologies in IoT and distributed systems
Inclusion & Accessibility
At Perfect Vision, we are committed to building a diverse and inclusive workplace. We provide a fully accessible environment and welcome applications from individuals with motor disabilities. We are dedicated to providing the necessary accommodations to ensure all our employees can perform their roles comfortably and effectively.