Senior Backend Software Engineer (.NET) İş İlanı

## Who We Are We don't just develop software; we build scalable products. We develop Multi-Tenant SaaS infrastructures, microservices architectures, event-driven systems, and high-traffic integration platforms. Our products support a broad ecosystem consisting of e-commerce, payment systems, subscription management, customer engagement, notification infrastructures, and services tailored for various industries. We are looking for a *Senior Backend Software Engineer* to join a team where code quality, software architecture, and sustainable system design are highly valued, and where technical decisions are truly made by engineers. --- # Job Description In this role, you will take an active part in processes such as: •⁠ ⁠Developing microservices-based backend services. •⁠ ⁠Architecture-level improvement of both new and existing services. •⁠ ⁠Designing and developing event-driven systems. •⁠ ⁠Developing third-party system integrations. •⁠ ⁠Creating solutions focused on performance, security, and scalability. •⁠ ⁠Conducting code reviews. •⁠ ⁠Contributing to technical design processes. •⁠ ⁠Establishing and implementing software standards. •⁠ ⁠Providing technical mentorship to Junior and Mid-level developers. --- # Technical Skills Required ### Advanced Level •⁠ ⁠C# •⁠ ⁠.NET •⁠ ⁠ASP.NET Core •⁠ ⁠REST API development •⁠ ⁠Microservices Architecture •⁠ ⁠Clean Architecture •⁠ ⁠SOLID Principles •⁠ ⁠Object-Oriented Programming (OOP) •⁠ ⁠Design Patterns •⁠ ⁠Dependency Injection •⁠ ⁠CQRS •⁠ ⁠MediatR or similar architectures •⁠ ⁠Event-Driven Architecture •⁠ ⁠Asynchronous Programming •⁠ ⁠JWT Authentication & Authorization •⁠ ⁠Docker •⁠ ⁠Git --- ### Intermediate to Advanced Level •⁠ ⁠Redis •⁠ ⁠Message Brokers (Kafka, RabbitMQ, etc.) •⁠ ⁠Distributed Cache •⁠ ⁠Distributed Lock •⁠ ⁠Background Worker services •⁠ ⁠Scheduler systems •⁠ ⁠API Gateway •⁠ ⁠Swagger / OpenAPI •⁠ ⁠Elasticsearch •⁠ ⁠Kubernetes •⁠ ⁠CI/CD processes --- ### Database Knowledge We expect strong experience in at least one of the following technologies: •⁠ ⁠SQL Server •⁠ ⁠PostgreSQL •⁠ ⁠MongoDB Additionally, the following are highly valued: •⁠ ⁠Writing high-performance queries •⁠ ⁠Indexing structures •⁠ ⁠Transaction management •⁠ ⁠Data modeling •⁠ ⁠Experience working with Big Data --- # Software Engineering Expectations We expect you to be experienced in the following areas: •⁠ ⁠Clean Code •⁠ ⁠SOLID •⁠ ⁠Refactoring •⁠ ⁠Domain-Driven Design (DDD) approach •⁠ ⁠Testable software development •⁠ ⁠Code readability •⁠ ⁠Performance optimization •⁠ ⁠Security-oriented development •⁠ ⁠Logging •⁠ ⁠Monitoring •⁠ ⁠Error Handling •⁠ ⁠High Availability •⁠ ⁠Scalability --- # What Will Make You Stand Out •⁠ ⁠Experience working on Multi-Tenant SaaS projects. •⁠ ⁠Experience developing large-scale microservices architectures. •⁠ ⁠Experience developing Event-Driven systems. •⁠ ⁠Experience developing financial systems. •⁠ ⁠Payment gateway integrations. •⁠ ⁠E-commerce systems. •⁠ ⁠ERP integrations. •⁠ ⁠Marketplace integrations. •⁠ ⁠Real-time, high-traffic systems. •⁠ ⁠Production experience in a Kubernetes environment. •⁠ ⁠Cloud platforms (Azure, AWS, or GCP). --- # What We Expect From You •⁠ ⁠A level of software expertise sufficient to make architectural and technical decisions. •⁠ ⁠High problem-solving skills. •⁠ ⁠A strong interest in software architecture. •⁠ ⁠Accountability and ownership. •⁠ ⁠Strong aptitude for teamwork. •⁠ ⁠Openness to continuous learning and research. •⁠ ⁠Ability to manage technical debt. •⁠ ⁠A product-oriented mindset. --- # What Awaits You Here? •⁠ ⁠A modern technology stack. •⁠ ⁠Microservices architecture. •⁠ ⁠Event-driven systems. •⁠ ⁠Large-scale backend development. •⁠ ⁠Direct participation in technical decision-making processes. •⁠ ⁠A say in architectural design processes. •⁠ ⁠Opportunities to work on continuously evolving products. •⁠ ⁠A technical team composed of highly experienced engineers. •⁠ ⁠A development culture that prioritizes code quality. •⁠ ⁠A working environment where you can experiment with new technologies. --- # Technology Stack •⁠ ⁠.NET •⁠ ⁠C# •⁠ ⁠ASP.NET Core •⁠ ⁠Docker •⁠ ⁠Kubernetes •⁠ ⁠Redis •⁠ ⁠Kafka •⁠ ⁠MongoDB •⁠ ⁠SQL Server / PostgreSQL •⁠ ⁠Elasticsearch •⁠ ⁠GitHub Actions •⁠ ⁠REST API •⁠ ⁠JWT •⁠ ⁠Swagger •⁠ ⁠OpenAPI --- ## How to Apply If you are a Backend Software Engineer who does not just build APIs, but also: •⁠ ⁠designs systems, •⁠ ⁠makes architectural decisions, •⁠ ⁠develops scalable software, •⁠ ⁠prioritizes writing high-quality code, •⁠ ⁠and strives for continuous technical self-improvement, ...then we would love to see you on our team!