Senior Backend Engineer - APIs, Integrations & Azure

Pro4all Cloud Services B.V; Woerden; On-site; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Salary package

Job summary

Pro4all Cloud Services B.V. is seeking a back-end developer to design and implement robust backend and middleware components in C# and .NET, connecting our software, customers, and partners in an agile team.

You will build secure REST APIs, integrate with Azure Service Bus or similar, and operate Kubernetes-managed services, while implementing observability with Datadog and Serilog. The role offers a collaborative environment with opportunities to influence architecture.

Qualifications

• You’ll design and implement backend and middleware in C# and .NET with secure REST APIs.
• Strong experience with PostgreSQL and CQRS patterns is expected.
• Familiarity with DI, modular service architecture, and testable design.
• Experience with cloud and observability tooling is a plus.

Responsibilities

• Design and develop backend and middleware components in C# and .NET.
• Build testable, scalable software with robust architecture and tests.
• Ensure reliability with structured logging, traces, and health checks.
• Assist partners and customers with backend integration challenges.

Skills

C#/.NET

PostgreSQL

CQRS

Dependency injection

Distributed systems

Git

Tools

Kubernetes

Azure Service Bus

Swagger/OpenAPI

OpenTracing

Datadog

Serilog

OpenID Connect

JWT

Job description

Pro4all Cloud Services B.V. is seeking a back-end developer to design and implement robust backend and middleware components in C# and .NET, connecting our software, customers, and partners in an agile team.

You will build secure REST APIs, integrate with Azure Service Bus or similar, and operate Kubernetes-managed services, while implementing observability with Datadog and Serilog. The role offers a collaborative environment with opportunities to influence architecture.