Hybrid .NET Backend Engineer – Madrid Tech Hub

Colliers

Madrid

Híbrido

EUR 65.000 - 95.000

Jornada completa

hace 8 horas

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Hybrid work model

Descripción de la vacante

Colliers is seeking an experienced Backend Engineer to join our Madrid Technology Hub. You will design, develop, and maintain scalable enterprise software built on the .NET stack, collaborating across Product, Engineering, DevOps and Data teams in a fast-paced global environment.

You will contribute to world-class technology solutions powering commercial real estate across regions, with a hybrid model (remote & onsite) and opportunities to influence technical direction and processes.

Formación

5+ years of experience in .NET software development with C# and ASP.NET Core.
Strong knowledge of object-oriented design, microservices architecture and API development (REST/GraphQL).
Experience with SQL and NOSQL databases (e.g. SQL Server or Postgres SQL, Cosmos DB, MongoDB), as well as caching with Redis or similar.
Advanced understanding of cloud-native architectures, CI/CD pipelines and DevOps practices (preferably GCP).
Experience in containerization (Docker, Kubernetes).
Agile Development experience (Scrum/Kanban), including story estimation, code reviews and pair programming.
Experience working in distributed or remote teams and using tools such as Jira, GitHub, Miro and Azure DevOps.
Solid understanding of performance optimization.
Excellent interpersonal and communication skills, fluent in English and Spanish.
Passionate about building high-quality software products with empowered teams.
Understanding of secure development practices and compliance frameworks (e.g. ISO27001, GDPR, SOC2).

Responsabilidades

Implement scalable and maintainable B2B software products using the Microsoft .NET stack (C#, ASP.NET Core).
Contribute to architecture discussions and system/code reviews.
Define coding standards, documentation and modern software lifecycle best practices.
Collaborate with product managers, designers, and QA to translate requirements into technical specifications and user stories.
Participate in sprint planning, backlog refinement and feature grooming to ensure technical feasibility and shared understanding across disciplines.
Identify opportunities for technical improvements and advocate for high-quality engineering standards.
Participate in design and code review sessions to uphold engineering excellence across the team.
Take on technical ownership of production systems.
Continuous improvement of agile methodologies and tools.
Drive culture of test-first development with unit, integration and performance testing.
Support root cause analysis and resolution of production issues, ensuring high reliability and uptime.
Contribute to ongoing platform refactoring and modernization efforts.
Work closely with DevOps and Engineering Operations teams to optimize build pipelines, observability and deployment automation.
Ensure compliance with global standards, information security policies and regulatory requirements.
Collaborate regularly with Product Teams, especially Product Owners, to align on requirements, clarify priorities and deliver business value iteratively.