Sr. NET Engineer

Q‑tech; Bellprat; Hybrid; EUR 65,000 - 85,000; Full time

Job summary

Q-tech in Barcelona is seeking a Senior .NET Backend Engineer to build services and integrations behind a digital marketing ecosystem. Design and implement backend services in C# / .NET on Azure, exposing REST APIs and integrating with CMS, DAM, marketing automation, and analytics.

This role demands hands-on cloud and DevOps, CI/CD, TDD, and Agile/Scrum, with hybrid work: 2 days in the Barcelona office. Fluent English required for international collaboration.

Qualifications

• Strong backend experience with C#/.NET in web apps.
• REST APIs and relational databases in production.
• CI/CD, automated testing and TDD experience.
• Agile/Scrum work experience in cross-functional teams.
• Azure cloud, IaC (Terraform/Bicep), observability.
• Experience with CMS or marketing automation products.
• Fluent English for daily international collaboration.

Responsibilities

• Design and build backend services and REST APIs in C# / .NET on Azure.
• Integrate with CMS, DAM, Marketing Automation, and Analytics.
• Improve CI/CD pipelines and testing practices.
• Take technical ownership and shape solution architecture.
• Support frontend work (Razor / Blazor) when needed.

Skills

C#/.NET

REST APIs

CI/CD

Agile/Scrum

Azure

TDD

Marketing automation

CMS/DAM

Tools

Terraform

Bicep

Job description

At Q-tech, we collaborate with a German global leader in industrial automation, with around 20,000 employees in 60+ countries and a large B2B e-commerce platform. Their new digital team in Barcelona owns the full digital marketing journey: CMS, DAM, CDP, marketing automation and analytics. All of it is connected to SAP and CRM through a .NET backend.

We are looking for a Senior .NET Backend Engineer to build the services and integrations behind this ecosystem.

Responsibilities

Design and build backend services, REST APIs and integrations in C# / .NET on Azure.

Integrate with marketing platforms (CMS, DAM, Marketing Automation, Consent Management, Analytics).

Improve CI/CD pipelines, automated testing and engineering standards.

Take technical ownership of solutions and help shape the architecture.

Support frontend work when needed (Razor / Blazor).

What is offered

Permanent contract.

Hybrid: 2 days a week in the Barcelona office.

Flexible hours and early finish on Fridays.

Childcare and school allowance, health insurance, on-site parking.

Training and English classes.

Solid backend experience with C# and .NET on web applications.

REST APIs and relational databases.

CI/CD, automated testing and TDD.

Experience in Agile/Scrum teams.

Fluent English (used daily with international teams).

Azure, IaC (Terraform/Bicep), observability, message-driven architectures, and experience with CMS or marketing automation products.

Barcelona