Back-end Developer
- Full-Time
- Remote
Job Description:
Role A Back-End Developer with strong expertise in the Microsoft technology stack (.NET, C#, SQL Server, Azure) to build scalable, high-performance, and secure backend systems. This role requires an expert in API development, microservices, database management, and cloud-based architectures, ensuring the delivery of robust solutions that power Lynnc's products and services.
Responsibilities
- Back-End Development:
- Design, develop, and maintain scalable and high-performance APIs using ASP.NET Core, C#, and .NET.
- Experience developing applications using ASP.NET Zero or similar modular frameworks.
- Hands-on expertise in designing and customizing RDLC reports for .NET applications.
- Implement RESTful and GraphQL APIs, ensuring seamless integration with front-end applications.
- Develop and optimize microservices architectures with containerization (Docker, Kubernetes).
- Experience with tools such as Swagger and Postman for API testing and documentation.
- Experience implementing WebSocket for real-time data updates and bidirectional communication.
- Write clean, maintainable, and testable code following SOLID principles and design patterns.
- Database & Cloud Integration:
- Design and manage relational and NoSQL databases (SQL Server, PostgreSQL, MongoDB).
- Optimize database queries, indexing, and performance for large-scale applications.
- Develop and maintain cloud-based backend services on Azure (App Services, Functions, Cosmos DB, Blob Storage).
- Implement event-driven architectures using Kafka, RabbitMQ, or Azure Service Bus.
- Security, Authentication & DevOps:
- Implement authentication & authorization using OAuth2, JWT, Identity Server, or Azure AD.
- Apply secure coding best practices, ensuring compliance with OWASP security principles.
- System Integration & Performance Optimization:
- Working knowledge of Google Maps API integration for location-based features.
- Integrate third-party APIs, payment gateways, and external services into backend systems.
- Optimize server-side logic, caching strategies (Redis), and response times for maximum efficiency.
- Ensure high availability and fault tolerance in distributed systems.
- Collaboration & Code Quality:
- Conduct code reviews, maintain coding standards, and follow best practices.
- Collaborate closely with front-end developers, DevOps engineers, and product managers.
- Document technical designs, workflows, and system architectures.
Skills & Technologies
- Back-End Development: .NET Core / ASP.NET Core, ASP.NET Zero, C#, RESTful APIs
- Database Management: SQL Server, PostgreSQL, MongoDB, query optimization
- Cloud & DevOps: Hands-on experience with GCP, Azure or AWS cloud platforms
- Microservices & Architecture: Experience with Docker, Kubernetes, and microservices design
- Security & Authentication: OAuth2, JWT, Azure AD, Identity Server, OWASP security principles
- Messaging & Event-Driven: Familiarity with Kafka, NATS, RabbitMQ
- Version Control & CI/CD: Git, GitHub/GitLab workflows, automated testing frameworks
- Agile Development: Experience with Agile/Scrum methodologies
Experience and Qualifications
Experience:
- 3 to 6 years of hands-on experience in backend development.
Educational Background:
- BSC or MSC in Computer Science, Software Engineering, Information Technology, or a related field.
Certifications (Preferred):
- Microsoft stack
- AWS, Azure, or similar
- Kubernetes or similar