Senior Backend Developer

Position:
Senior Backend Developer (.NET / Azure)

Company:
S4D

Location:
Netherlands, Amsterdam

Employment type:
Not Specified

Work Arrangement:
Hybrid

Short Summary:
We are looking for a Senior .NET Backend Developer who combines strong system design skills with a passion for engineering excellence.

Responsibilities:
- End-to-End Ownership: Own backend services across their full lifecycle—from initial architectural design and technical scoping to coding, deployment, and operational health.
- Mentorship & Team Leadership: Coach and mentor junior and mid-level developers, conduct constructive code reviews, and help elevate engineering standards across the team.
- System Design & Architecture: Help define architectural patterns, design scalable microservices, and ensure our event-driven integration flows are resilient and decoupled.
- Hands-on Service Development: Write clean, modular, and maintainable C# code targeting modern .NET Core runtimes.
- Messaging & Workflows: Build robust asynchronous integrations using Azure Service Bus and MassTransit.
- Quality & Performance: Champion automated unit testing, continuous integration, and proactive performance profiling.
- AI-Assisted Engineering: Utilize AI coding tools to boost daily productivity and streamline system troubleshooting.

Requirement:
- 5+ years of hands-on backend software engineering experience with C# and .NET Core.
- Mentorship Experience: A proven track record of guiding junior/mid-level engineers, sharing knowledge, and fostering best practices (TDD, clean code, peer reviews).
- End-to-End Feature Ownership: Demonstrated experience designing and delivering backend features from initial idea to production deployment.
- Event-Driven Mastery: Solid understanding of microservices patterns and event-driven messaging (Azure Service Bus, MassTransit, RabbitMQ, Kafka, etc.).
- Azure Cloud Experience: Practical experience working with core Microsoft Azure infrastructure and cloud components.
- Testing Mindset: Deep appreciation for testable architecture and unit testing best practices.

Benefits:
Not Specified