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Senior Backend Developer | C# & .NET

Hybrid in Barcelona·Added today

Q-TECH

93 open roles

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Overview

Job details

Hybrid
Office and home days — the ad has the split.

Requirements

Have the right to work in Spain
Q-TECH doesn't mention sponsorship in the ad.
Work in English
English is required, per the ad.
Be near Barcelona for hybrid days
No relocation package mentioned.
Have 3+ years of experience
Senior-level role.

This job was automatically translated to English.

Pay & benefits

What you'll get

• Nursery scholarship (children aged 0 to 3) and school scholarship (from 3 to 16 years).

• Mutua Adeslas (flexible compensation).

• Agreement with a restaurant next to the office with menus at very affordable prices.

• Parking on-site.

• Hybrid model: 3 days/week from home.

• Flexible hours:

o Entry from 7:30 to 9:00h (M to F)

o Exit from 16:00 to 18:30 (M to Th)

o Exit from 14:00 onwards (F) - Ad hoc training.

• English classes.

• Vacations approx. 22 - 25 days.

Requirements

What we're looking for

Solid experience as a Backend Engineer, especially with:

✔ C# and .NET
✔ Design and development of REST APIs
✔ Relational databases
✔ TDD and automated testing
✔ CI/CD and development best practices
✔ Experience working in Agile / Scrum teams
✔ Good level of English, as you will be working in an international environment

Nice to have

It will be a plus to have worked with Azure or AWS, Terraform/Bicep, API Gateways, event-driven architectures, observability, CDNs, digital marketing platforms, or e-commerce.

BENEFITS

The role

🚀 Senior Backend Developer | C# &.NET | Barcelona

We are looking for a Senior Backend Developer specializing in C# and .NET to join the Digital Marketing & Sales team of a leading international company in its sector, with a presence in more than 60 countries and a global team of over 20,000 people.

The team is immersed in the evolution of its digital ecosystem, unifying different marketing, content, sales, and analytics platforms. Barcelona will play an increasingly relevant role, progressively assuming end-to-end technical ownership of solutions that are currently managed alongside international teams.

What you'll do

You will be part of an international and multidisciplinary team, working in an environment with significant technical scope and the capacity to influence engineering decisions.

Your day-to-day will include:

• Design and develop backend services and REST APIs with C# and .NET.
• Build integrations between Marketing Automation, Web Content Management, Digital Asset Management, Consent Management, and Web Analytics platforms.
• Design scalable, secure, and resilient services deployed in cloud environments.
• Work with relational databases, event-driven architectures, and distributed systems.
• Improve CI/CD pipelines, automated testing, monitoring, and observability.
• Participate in architecture decisions and engineering best practices.
• Collaborate daily with frontend, data integration, product profiles, and international stakeholders.

How you'll work

📍 Barcelona | Hybrid model

About Q-TECH

Q-TECH is a technology recruitment company founded in 2000, with a team of 20 people and annual revenue of approximately 2 million euros. The company specializes in connecting IT professionals with companies, focusing on tech talent acquisition across various departments including backend, frontend, data, infrastructure, and more.

Q-TECH operates with a hybrid work model in Barcelona, Spain, and emphasizes a close, authentic approach to recruitment. The company is active in the IT community and offers roles in areas such as cloud administration, software development, and project management, making it a potential opportunity for international tech professionals seeking to work in Spain.