cygnify - Senior Full Stack Developer (Blazor & .NET are MUST have)- Perm role
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Requirements
• Fluent in English and Arabic • Excellent communication and collaboration skills in cross-functional, agile environments • Strong analytical mindset and attention to detail across quality, security, and performance • 5+ years of professional experience in full-stack development and web application delivery • Proficient in .NET Core, ASP.NET http://ASP.NET WebAPI and Blazor (WebAssembly & Server) frameworks • Deep understanding of Razor components, TailwindCSS, HTML/CSS, and responsive UI design • Advanced experience with relational databases: SQL Server, PostgreSQL • Proven experience with ETL pipeline development, data modelling, indexing, and query optimization • Familiarity with LLM API’s, prompt design, and model orchestration • Hands-on experience with DevSecOps tools and cloud deployment workflows • Familiarity with Git, GitHub, Azure DevOps, and automated CI/CD pipelines • Experience using collaborative wireframing tools such as Figma Cloud experience with Azure and/or Google Cloud Platform - certification preferred (GCP Professional Developer)
Responsibilities
• Collaborate closely with product teams to translate business challenges into scalable and maintainable software solutions • Lead the development of web applications using Blazor (WebAssembly and Server), delivering dynamic, componentbased UI’s integrated with secure, high-performing API’s • Design and maintain API layers using .NET Core, incorporating authentication (OAuth2, JWT), request validation, and rate limiting where applicable • Architect robust, modular C# backend services, applying domain-driven design and deploying within containerized environments (Kubernetes experience is a plus) • Build and maintain relational data models using Microsoft SQL Server, optimizing performance through indexing, partitioning, stored procedures, and other database tuning techniques • Collaborate with data engineering teams to support ETL pipelines, operational data marts, and analytics-ready schemas within a structured medallion architecture • Integrate Large Language Models (LLM’s) such as OpenAI into products using secure API calls, embedding techniques, and prompt engineering best practices • Participate in Agile ceremonies, help refine user stories, and challenge assumptions to ensure technically sound and valuable feature delivery • Work from design prototypes in Figma, implementing responsive, accessible, and pixel-perfect UI components using Razor, Blazor bindings, and modern CSS frameworks (e.g., TailwindCSS or Bootstrap) • Ensure strong application security through secure storage, encrypted communications, and identity protocols aligned with best practices • Build and maintain automated testing suites using xUnit, bUnit, Playwright, or similar frameworks to ensure high quality releases • Manage CI/CD workflows and infrastructure provisioning via Azure DevOps, including pipelines, artifacts, configuration management, and release automation • Monitor application performance and reliability post-deployment using Application Insights, Log Analytics, or similar telemetry solutions • Drive continuous improvement across the engineering lifecycle, contributing to the evolution of internal frameworks, coding standards, and dev tooling • Stay up to date with the latest advancements in the .NET ecosystem, Azure services, and Blazor framework, and proactively share knowledge with the wider team
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