Senior Back-End Developer

Cairo - Egypt

Monthly Salary: Not Disclosed

Posted on: 3 hours ago

Vacancies: 1 Vacancy

Job Summary

Position: Senior Back-End Developer

Organization: O-Trade & Logistics

Through O Trade & Logistics (OTL) Orascom Investment Holding introduces otrovato a B2B platform designed to simplify trade across Africa and beyond. otrovato connects buyers and sellers ensuring secure efficient and seamless transactions. By empowering businesses and enabling cross-border trading and partnerships otrovato serves as an online B2B platform driving Africas economic growth.
Platform link: otrovato B2B platform in Africa

Job Description:

The Senior Back-End Developer is responsible for designing building and optimizing scalable back-end systems that power eCommerce solutions. Focused on developing high-performance secure and reliable APIs services databases and integrations Core and NestJS while applying best practices for microservices and cloud-based architectures

Key Responsibilities:

Core Development

Design develop and maintain scalable back-end applications using .NET Core (C# Entity Framework) and NestJS.
Develop and manage RESTful APIs and contribute to GraphQL services.
Architect optimize and maintain relational (SQL Server PostgreSQL) and NoSQL databases.
Ensure system security (authentication authorization encryption data protection).
Implement caching load balancing and performance optimizations for high-traffic environments.

Collaboration & Delivery

Work closely with front-end developers to provide seamless integration.
Collaborate with product managers designers and DevOps engineers.
Align with Tech Leads and architects on long-term technical direction.
Participate in agile development cycles delivering features reliably and on time.

Quality & Continuous Improvement

Write clean maintainable and testable back-end code.
Implement and maintain automated testing (unit integration API tests).
Participate in peer code reviews to maintain best practices and consistency.
Suggest and implement improvements in development processes DevOps and CI/CD pipelines.
Stay updated on .NET Core NestJS and cloud technologies.

Qualifications:

Bachelors degree in computer science Software Engineering or equivalent.
7 years of professional back-end development experience.
Strong expertise in .NET Core (C# Core Entity Framework).
Experience building APIs and services with NestJS.
Database expertise (SQL Server PostgreSQL NoSQL).
Experience with microservices distributed systems and RESTful APIs.
Familiarity with cloud platforms (Azure preferred; GCP/AWS are a plus).
Good understanding of DevOps practices (CI/CD Docker Kubernetes).
Strong debugging performance optimization and security skills.
Knowledge of GraphQL and API gateways.
Experience in high-traffic eCommerce systems.
Exposure to event-driven architectures (Kafka RabbitMQ).
Familiarity with monitoring tools (New Relic Prometheus etc.).

Position: Senior Back-End Developer Organization: O-Trade & Logistics Through O Trade & Logistics (OTL) Orascom Investment Holding introduces otrovato a B2B platform designed to simplify trade across Africa and beyond. otrovato connects buyers and sellers ensuring secure efficient and seamless trans...