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Senior Fullstack Developer (.NET) at Proxify. Location Information: CET (+/- 3 hours). About us:. .  . . Talent has no borders. Proxify's mission is to connect top developers around the world with opportunities they deserve. So, it doesn't matter where you are; we are here to help you fast-track your independent career in the right direction. 🙂. . Since our launch, Proxify's developers have successfully worked with 1200+ happy clients to build their products and growth features. 5000+ talented developers trust Proxify and its network to fulfill their dreams and objectives.. . Proxify is shaped by a global network of supportive, talented developers interested in remote full-time jobs. Our Glassdoor (4.5/5) and Trustpilot (4.8/5) ratings reflect the trust developers place in us and our commitment to our members' success.. .  . .  . . The Role:. .  . . We are looking for a Senior Fullstack .NET Developer to join our fast-growing Network. In this role, you’ll own the design and implementation of backend services and APIs using .NET (C# / ASP.NET Core), while delivering polished, performant user interfaces using modern frontend technologies and .NET-driven UI frameworks. You will collaborate with product managers, designers, and other engineers to deliver end-to-end features, make architectural decisions, and mentor more junior engineers.. .  . . This is a long-term, full-time remote engagement. You’ll have the opportunity to work with modern cloud platforms, CI/CD pipelines, and deliver impactful features in real products used by customers around the world.. .  . . What we are looking for:. .  . . . 5+ years of professional software development experience, with strong fullstack exposure.. . Relational databases - MSSQL experience.. . 3+ years of production experience with .NET (C#, .NET Core / .NET 6+) and ASP.NET Core.. . Solid knowledge of JavaScript/TypeScript, HTML5 and CSS3, or experience with .NET UI frameworks such as Blazor and Razor Pages.. . Experience with relational databases (e.g., SQL Server, PostgreSQL) and ORM tooling such as Entity Framework Core.. . Strong understanding of RESTful API design and integration patterns.. . Experience with automated testing (unit, integration) and test frameworks for both backend and frontend.. . Practical experience with containerization (Docker) and familiarity with CI/CD pipelines (e.g., GitHub Actions, Azure DevOps, GitLab CI).. . Experience deploying and operating services in the cloud (Azure preferred, AWS/GCP acceptable).. . Ability to work independently and deliver high-quality results in a remote setup.. . Intermediate-advanced English. . .  . . Nice-to-have: . .  . . . Deep experience with TypeScript and modern frontend tooling (Vite, Webpack).. . Proven experience with Blazor, ASP.NET MVC or other .NET-centric UI frameworks.. . Familiarity with microservices patterns, DDD, CQRS or event-driven architectures.. . Experience with container orchestration (Kubernetes).. . Knowledge of message brokers (e.g., RabbitMQ, Kafka, Azure Service Bus).. . Experience with GraphQL and schema design.. . Exposure to performance tuning, caching strategies and observability (logs, tracing, metrics).. . .  . . Responsibilities:. .  . . . Design, implement, and operate scalable backend services using .NET (C#, ASP.NET Core).. . Build and maintain responsive, accessible user interfaces using modern frontend technologies and/or .NET UI frameworks (e.g., Blazor, Razor Pages).. . Design and consume robust RESTful APIs (and optionally GraphQL) and integrate with databases and external systems.. . Ensure code quality through testing (unit/integration), code reviews, and automated pipelines.. . Drive architectural decisions for backend, frontend, and their integration (microservices, monoliths, or hybrid).. . Collaborate with designers and product teams to translate requirements into technical solutions and great user experiences.. . Troubleshoot production issues, optimize performance, and ensure application reliability and security.. . Mentor and coach other engineers, contribute to best practices and team processes.. . Participate in an agile development process and help continuously improve delivery and observability.. . Document design choices, API contracts, and deployment procedures.. . .  . .  . . What we offer:. .  . . Get paid, not played. . No more unreliable clients. Enjoy on-time monthly payments with flexible withdrawal options.. .  . . Predictable project hours. . Enjoy a harmonious work-life balance with consistent 8-hour working days with clients.. .  . . Flex days, so you can recharge. . Enjoy up to 24 flex days off per year without losing pay, for full-time positions found through Proxify.. .  . . Career-accelerating positions at cutting-edge companies. . Discover exclusive long-term remote positions at the world's most exciting companies.. .  . . Hand-picked opportunities, just for you. . Skip the typical recruitment roadblocks and biases with personally matched positions.. .  . . One seamless process, multiple opportunities. . A one-time contracting process for endless opportunities, with no extra assessments.. .  . . Compensation. . Enjoy the same pay, every month with positions landed through Proxify.