We are looking for a Senior/MID .NET Backend Engineer / Tech Lead to join a high-performing engineering team building large-scale backend platforms that support mission-critical digital products. This is a hands-on technical leadership role where you will combine software engineering excellence with architectural ownership, technical mentoring, and close collaboration with cross-functional stakeholders. You will play a key role in defining backend architecture, leading technical decisions, and delivering scalable cloud-native solutions while remaining actively involved in software development.

Key Responsibilities

- Design, develop, and maintain scalable backend applications using C# and .NET Core.
- Architect and build high-performance REST APIs and event-driven microservices.
- Drive the evolution from monolithic applications to modern microservices architectures.
- Define technical roadmaps and make architecture decisions that support long-term scalability and maintainability.
- Lead code reviews and establish engineering best practices and coding standards.
- Mentor software engineers and support their technical growth.
- Collaborate closely with Product Managers,



Engineering Managers, and stakeholders to translate business requirements into technical solutions.
- Design API contracts and data models for distributed systems.
- Build resilient, cloud-native applications running on Microsoft Azure.
- Optimize database performance and data modelling using NoSQL technologies.
- Participate in sprint planning, technical planning, backlog refinement, and delivery activities.
- Promote software quality through testing, automation, and continuous improvement.

Required Skills

- Backend Development
- C# .NET Core / ASP.NET Core
- REST APIs
- Microservices Architecture
- Event-Driven Architecture
- Clean Architecture
- Distributed Systems
- Cloud & Platform
- Microsoft Azure
- Azure Functions
- Azure Service Bus
- Kubernetes
- Terraform
- Azure DevOps
- Databases
- MongoDB
- Azure Cosmos DB
- Redis
- Engineering Practices
- CI/CD
- Agile (Scrum) Code Reviews
- Technical Leadership
- Software Design
- Performance Optimization
- API Design
- System Architecture

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📌 .Net Backend Engineer Azure Cloud (Madrid)
🏢 Capitole
📍 Madrid