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
Agil

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