Senior Fullstack Developer

**Senior Full-Stack Software Engineer (7+ Years Experience)** Location: El Sherouk, Cairo, Egypt (Full-time, On-site) Employment Type: Full-time **About Nexus Analytica** **Nexus Analytica** is a technology company specializing in advanced software solutions for the energy sector. We develop innovative digital platforms that help utilities, governments, and renewable energy developers monitor, analyze, forecast, and optimize energy systems. Our software platforms, provide state-of-the-art analytics and operational intelligence for renewable energy assets, battery energy storage systems (BESS), smart meters, electric vehicle charging infrastructure, and power grids. With a strong focus on innovation, data science, and software engineering, Nexus Analytica is driving the digital transformation of the global energy industry through scalable, secure, and intelligent solutions. **About the Role** We are looking for a highly skilled **Senior Full-Stack Software Engineer** with **7+ years of professional software development experience** to join our engineering team. You will be responsible for designing, developing, and maintaining scalable enterprise software solutions while contributing to architectural decisions, mentoring junior developers, and ensuring high software quality standards. This role is ideal for someone who enjoys solving complex technical challenges, building modern web applications, and working across the entire software stack. **Key Responsibilities** * Design, develop, and maintain scalable web applications from frontend to backend. * Translate business requirements into robust technical solutions. * Design clean, maintainable, and reusable software architectures. * Develop RESTful APIs and backend services. * Build responsive, high-performance frontend applications. * Optimize application performance, security, scalability, and reliability. * Participate in architecture discussions and technical decision-making. * Perform code reviews and maintain coding standards. * Write unit, integration, and end-to-end tests. * Troubleshoot production issues and resolve complex bugs. * Collaborate closely with UI/UX designers, QA engineers, DevOps engineers, and product owners. * Mentor junior and mid-level developers. * Participate in Agile ceremonies including sprint planning, daily standups, retrospectives, and backlog refinement. * Contribute to CI/CD pipelines and deployment automation. * Produce technical documentation where necessary. **Minimum Qualifications** * Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related field. * **7+ years** of professional experience in software development. * Proven experience delivering enterprise-grade web applications. * Strong understanding of software engineering principles and design patterns. * Experience working in Agile/Scrum environments. * Excellent problem-solving and analytical skills. * Strong written and verbal English communication skills. **Required Technical Skills** * Backend * Python * Django * Django REST Framework * REST API design * Authentication (OAuth2, JWT) * Microservices architecture * Celery * Background job processing **Frontend** * React * TypeScript * JavaScript (ES6+) * HTML5 * CSS3 * Responsive web design * State management (Redux, Context API, Zustand, or similar) **Databases** * PostgreSQL * MySQL * Query optimization * Database design * ORM experience **Cloud & DevOps** * Docker * Docker Compose * Kubernetes (preferred) * Azure, AWS, or Google Cloud * GitHub Actions / Azure DevOps * CI/CD pipelines * Linux **Version Control** * Git * GitHub * Git Flow **Software Architecture** * SOLID principles * Clean Architecture * Domain-Driven Design (preferred) * Design Patterns * Dependency Injection **Testing** * Unit Testing * Integration Testing * End-to-End Testing * PyTest * Jest * React Testing Library **Security** * OWASP Top 10 * Secure coding practices * Authentication and authorization * API security * Data protection best practices **Preferred Qualifications** * Experience with data visualization libraries. * Experience building analytics or monitoring platforms. * Experience with real-time systems using WebSockets. * Knowledge of message brokers (RabbitMQ, Kafka, Redis Streams). * Experience integrating third-party APIs. * Experience with GIS or mapping frameworks is an advantage. * Experience in energy, utilities, IoT, smart grid, or industrial software is a strong plus. **Soft Skills** * Strong ownership mentality. * Excellent communication skills. * Ability to mentor and support junior engineers. * Strong attention to detail. * Excellent debugging and troubleshooting abilities. * Ability to work independently while collaborating effectively within a team. * Strong time management and prioritization skills. * Continuous learning mindset. **What Success Looks Like** * Deliver high-quality software on schedule. * Produce clean, maintainable, and well-te