We are hiring a Senior Python Developer who is not just a backend developer, but a solution innovator. This role is for someone who can design, build, and improve smart automation systems across backend platforms, mobile environments, testing frameworks, and IoT ecosystems.The right candidate must be strong in Python, Flask, automation, automation testing, IoT integrations, and system-level problem solving. We need someone who can understand business challenges, propose technical solutions, and execute them with ownership.Role OverviewThe Senior Python Developer will be responsible for building backend services, automation platforms, testing frameworks, and IoT-connected solutions. This person should be able to communicate with mobile applications, hardware devices, IoT environments, APIs, sensors, gateways, and cloud systems.This is not a routine coding role. We are looking for someone who can think like a product engineer, automation architect, and technical problem solver.Key ResponsibilitiesDevelop and maintain backend systems using Python and Flask.Build scalable REST APIs and backend services for mobile apps, IoT platforms, and automation systems.Design and implement automation workflows, automation scripts, and internal tools.Build and maintain automation testing frameworks for backend, mobile, IoT, and integration workflows.Work with testing tools, test automation pipelines, CI/CD workflows, and quality assurance systems.Integrate with mobile environments, including APIs, push notifications, device communication, and app-to-backend workflows.Communicate with IoT environments, including devices, sensors, gateways, MQTT brokers, HTTP APIs, WebSockets, and cloud IoT platforms.Analyze business and technical problems, then propose smart, practical, and scalable solutions.Work with hardware, firmware, mobile, and backend teams to deliver complete end-to-end solutions.Debug complex issues across backend, mobile, automation, and IoT layers.Improve system reliability, performance, observability, and security.Own technical delivery from concept to production.Required Experience5+ years of professional Python development experience.Strong hands-on experience with Flask.Solid experience in automation testing and building automation frameworks.Experience with API testing, integration testing, backend testing, and test automation pipelines.Experience working with IoT systems, device communication, and connected environments.Good understanding of mobile app backend communication and mobile API requirements.Experience with protocols such as MQTT, HTTP, WebSockets, REST, TCP/IP, or similar.Strong database experience with PostgreSQL, MySQL, MongoDB, Redis, or similar.Experience with Linux, Docker, Git, CI/CD, and cloud deployment environments.Strong debugging, system analysis, and problem-solving skills.Ability to work independently and take ownership of technical decisions.Nice to HaveExperience with Selenium, Playwright, Pytest, Robot Framework, or similar automation tools.Experience with Raspberry Pi, Arduino, ESP32, industrial sensors, gateways, or edge devices.Experience with Celery, Redis queues, background jobs, cron jobs, or event-driven architecture.Experience with AWS, Azure, GCP, or cloud IoT services.Experience with FastAPI is a plus.Experience designing automation platforms from scratch.What We Are Really Looking ForWe are not looking for a normal developer who only waits for tickets.We are looking for a solution innovator who can understand a problem, design the architecture, build the automation, connect the systems, test the flow, and deliver a working solution.The ideal candidate is proactive, analytical, technically strong, and comfortable working across backend, mobile, IoT, and automation environments.Employment Type: Full-timeExperience Level: SeniorLocation: On-Site Only - New Cairo . Start Date: Immediate Apply: Send your CV, GitHub profile, or portfolio to info@projecx.io