Senior Fullstack Developer (.NET)

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.

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
• Located in CET timezone (+/- 3 hours) we are unable to consider applications from candidates in other time zones.

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.