<p>
<strong>Headquarters:</strong> Sweden
<br /><strong>URL:</strong> <a href="http://career.proxify.io">http://career.proxify.io</a>
</p>
<p><strong>The Role:</strong></p>
<p> </p>
<p>We are looking for a Senior Fullstack .NET Developer to join our fast-growing Network. In this role, youâll 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.</p>
<p> </p>
<p>This is a long-term, full-time remote engagement. Youâll 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.</p>
<p> </p>
<p><strong>What we are looking for:</strong></p>
<ul>
<li>5+ years of professional software development experience, with strong fullstack exposure.</li>
<li>Relational databases - MSSQL experience.</li>
<li>3+ years of production experience with .NET (C#, .NET Core / .NET 6+) and ASP.NET Core.</li>
<li>Solid knowledge of JavaScript/TypeScript, HTML5 and CSS3, or experience with .NET UI frameworks such as Blazor and Razor Pages.</li>
<li>Experience with relational databases (e.g., SQL Server, PostgreSQL) and ORM tooling such as Entity Framework Core.</li>
<li>Strong understanding of RESTful API design and integration patterns.</li>
<li>Experience with automated testing (unit, integration) and test frameworks for both backend and frontend.</li>
<li>Practical experience with containerization (Docker) and familiarity with CI/CD pipelines (e.g., GitHub Actions, Azure DevOps, GitLab CI).</li>
<li>Experience deploying and operating services in the cloud (Azure preferred, AWS/GCP acceptable).</li>
<li>Ability to work independently and deliver high-quality results in a remote setup.</li>
<li>Intermediate-advanced English</li>
<li>Located in CET timezone (+/- 3 hours), we are unable to consider applications from candidates in other time zones.</li>
</ul>
<p> </p>
<p><strong>Nice-to-have:</strong></p>
<ul>
<li>Deep experience with TypeScript and modern frontend tooling (Vite, Webpack).</li>
<li>Proven experience with Blazor, ASP.NET MVC or other .NET-centric UI frameworks.</li>
<li>Familiarity with microservices patterns, DDD, CQRS or event-driven architectures.</li>
<li>Experience with container orchestration (Kubernetes).</li>
<li>Knowledge of message brokers (e.g., RabbitMQ, Kafka, Azure Service Bus).</li>
<li>Experience with GraphQL and schema design.</li>
<li>Exposure to performance tuning, caching strategies and observability (logs, tracing, metrics).</li>
</ul>
<p> </p>
<p><strong>Responsibilities:</strong></p>
<ul>
<li>Design, implement, and operate scalable backend services using .NET (C#, ASP.NET Core).</li>
<li>Build and maintain responsive, accessible user interfaces using modern frontend technologies and/or .NET UI frameworks (e.g., Blazor, Razor Pages).</li>
<li>Design and consume robust RESTful APIs (and optionally GraphQL) and integrate with databases and external systems.</li>
<li>Ensure code quality through testing (unit/integration), code reviews, and automated pipelines.</li>
<li>Drive architectural decisions for backend, frontend, and their integration (microservices, monoliths, or hybrid).</li>
<li>Collaborate with designers and product teams to translate requirements into technical solutions and great user experiences.</li>
<li>Troubleshoot production issues, optimize performance, and ensure application reliability and security.</li>
<li>Mentor and coach other engineers, contribute to best practices and team processes.</li>
<li>Participate in an agile development process and help continuously improve delivery and observability.</li>
<li>Document design choices, API contracts, and deployment procedures.</li>
</ul>
<h4><strong><br>What we offer:<br></strong></h4>
<div> </div>
<div><strong>Get paid, not played</strong></div>
<div>No more unreliable clients. Enjoy on-time monthly payments with flexible withdrawal options.<br><br></div>
<div><strong><br>Predictable project hours</strong></div>
<div>Enjoy a harmonious work-life balance with consistent 8-hour working days with clients.<br><br></div>
<div><br><strong>Flex days, so you can recharge</strong></div>
<div>Enjoy up to 24 flex days off per year without losing pay, for full-time positions found through Proxify.<br><br></div>
<div><br><strong>Career-accelerating positions at cutting-edge companies</strong></div>
<div>Discover exclusive long-term remote positions at the world's most exciting companies.<br><br></div>
<div><br><strong>Hand-picked opportunities just for you</strong></div>
<div>Skip the typical recruitment roadblocks and biases with personally matched positions.<br><br></div>
<div><br><strong>One seamless process, multiple opportunities</strong></div>
<div>A one-time contracting process for endless opportunities, with no extra assessments.<br><br></div>
<div><br><strong>Compensation</strong></div>
<div>Enjoy the same pay, every month with positions landed through Proxify.</div>
<p><strong>To apply:</strong> <a href="https://weworkremotely.com/remote-jobs/proxify-ab-senior-fullstack-developer-net">https://weworkremotely.com/remote-jobs/proxify-ab-senior-fullstack-developer-net</a></p>
