Senior Backend Developer

Job Summary

We are looking for a Senior Backend Developer with a proven track record as a Solutions Architect. You will be responsible for designing, building, and maintaining the core infrastructure of our wholesale banknote application platform, including our microservices architecture, APIs, and database systems. This is a critical role that requires a deep understanding of scalable, secure, and resilient backend systems in a financial technology context.

Key Responsibilities

- Architect and develop robust, scalable, and secure backend services using ASP.NET Core.
- Design and implement a microservices architecture following Clean Architecture and Domain-Driven Design (DDD) principles.
- Develop and maintain RESTful APIs with comprehensive documentation using Swagger/OpenAPI.
- Implement OAuth 2.0 and OpenID Connect authentication with Microsoft Entra ID integration.
- Design and manage database schemas on Azure MySQL, ensuring high availability, performance, and disaster recovery.
- Implement comprehensive security measures including encryption, authorization, and vulnerability protection (OWASP Top 10).
- Build and maintain CI/CD pipelines for automated builds, testing, and deployment using Docker and Kubernetes.
- Implement monitoring, logging, and distributed tracing across microservices.
- Integrate with third-party services including shipping providers, rate feed providers, AML services, and ZOHO CRM.
- Design for horizontal scalability with stateless services and implement appropriate caching strategies.
- Implement Infrastructure as Code using Azure Resource Manager templates or Terraform.
- Actively use Github Copilot to accelerate development and improve code quality.
- Conduct code reviews and mentor junior developers on best practices and architectural patterns.

Required Technical Skills

- Expert-level proficiency in ASP.NET Core and C#.
- Proven experience designing and implementing microservices architectures.
- Deep knowledge of Clean Architecture and Domain-Driven Design principles.
- Strong experience with RESTful API design and development.
- Expertise in database design and management with Azure MySQL or similar relational databases.
- Proficiency with containerization (Docker) and orchestration (Kubernetes).
- Experience with cloud platforms, particularly Microsoft Azure.
- Knowledge of Infrastructure as Code tools (Terraform, ARM templates).
- Strong understanding of security best practices including OAuth 2.0, OpenID Connect, and data encryption.
- Experience with CI/CD pipelines and DevOps practices.
- Familiarity with monitoring and logging tools for distributed systems.
- Experience with version control systems (Git) and Github Copilot.
- Knowledge of asynchronous programming patterns and background processing.
- Understanding of API versioning strategies and backward compatibility.

Experience Requirements

- 7+ years of professional experience as a Backend Developer.
- 3+ years of experience in a Solutions Architect or similar senior technical role.
- Proven track record of designing and implementing large-scale, production-grade systems.
- Experience working in startup or fast-paced, agile environments.
- Demonstrated success in leading technical initiatives and making architectural decisions.
- Experience with emerging technologies and modern backend development practices.
- Background in financial technology, fintech, or regulated industries is highly desirable.
- Experience with multi-tenant architecture and data isolation strategies is a plus.

*This job posting is for a current vacancy with our client.

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