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.
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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. xqbhyrx
* 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

📌 .NET Backend Engineer Azure Cloud (Barcelona)
🏢 Lawrence Harvey
📍 Barcelona