Senior Backend Developer

About the role

As Roof Stacks, we have been carrying out innovative projects since 2015. We aim to become a global actor in Tourism Systems, Extended Reality(AR/VR), Blockchain Technologies, Game Development, and Financial Technology, which are our areas of expertise. We focus on creating a difference with the technologies we develop and designing the future. In addition to our central office in Ataşehir/İstanbul, we have branches in Antalya and Elazığ in Turkey. We have strengthened our position in the global market by opening a new office in Austin, USA, which hosts world technology giants from all over the world. We're looking for someone who has *Bachelor's or Master's degree in Computer Science, Software Engineering or related field. *Minimum 5+ years of experience in backend development, preferably in large-scale distributed systems, *Experience in Digital Banking *Strong expertise in Microsoft Development Technologies, .NET Framework, .NET Core and C#, *Hands-on experience in designing and developing BFF (Backend-for-Frontend) layers for mobile applications, *Excellent understanding of core engineering principles (OOP, SOLID, DRY, YAGNI, KISS, data structures, algorithms), *Strong knowledge of RESTful API design, API orchestration and backend aggregation patterns, *Experience with integration layers, microservices, API gateways and service-to-service communication, *Strong experience using distributed cache systems (Redis or equivalent) and messaging queues (Kafka, RabbitMQ, etc.), *Experience with ORM frameworks/tools and Object-Relational Mapping techniques, *Experience with authentication/authorization standards such as OAuth2, OpenID Connect, JWT, and secure session handling, *Familiarity with CI/CD pipelines, DevOps processes and containerization (Docker, Kubernetes), *Ability to develop infrastructure or module-level code aligned with analysis artifacts, integration contracts and architecture guidelines, *Practical experience working with Agile frameworks such as Scrum or Kanban, *Ability to analyze, optimize and troubleshoot performance issues in high-traffic mobile application backends. Communication Methods Ability to convey ideas easily, Ability to have professional communication with each stakeholder, Ability to be clear, short, open, and persuasive in all kinds of communication, Ability to detect problems and solve them in the very beginning Teamwork Expectations Ability to help the team while creating a sustainable product with higher quality, Ability to offer practical solutions, Ability to direct all kinds of technical and non-technical negotiations in a way that results in a positive outcome. Ability to have a good grasp of the team, task, and/or customer issues and collaborate with relevant managers when necessary, and swiftly prevent or resolve these, Ability to act with common sense while solving problems.

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