Senior Back-end Developer

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.).

Key Skills

• Bootstrap
• CSS
• Front-End Development
• HTML5
• React
• Redux
• Node.js
• Angular
• Less
• JavaScript
• backbone.js
• Sass

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