Senior Developer, C# SQL

Engineering International Belgium; Madrid; Presencial; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A prominent international engineering firm in Madrid is seeking an experienced Software Developer (.NET) to contribute to large-scale enterprise systems. The ideal candidate will have over 4 years of IT experience and at least 3 years working with .NET technologies. Responsibilities include designing software within the .NET framework and leading development teams. The position offers long-term stability and a collaborative team culture.

Servicios

Opportunity to work on impactful projects

Collaborative and growth-oriented team culture

Long-term stability with contract renewals

Formación

• Minimum 4 years of IT professional experience.
• Minimum 2 years of project experience as a Software Developer.
• Proven experience in at least two projects involving design, implementation, and deployment of Microsoft Business Intelligence or similar solutions.
• At least 3 years of hands-on work in .NET technologies.

Responsabilidades

• Design and develop software systems and modules within the .NET framework.
• Lead small development teams and set software development standards.
• Translate business and technical requirements into high-quality design and code.
• Optimize software for performance, security, and maintainability.
• Produce comprehensive technical documentation and effort estimates.

Conocimientos

Software Engineering

Agile Methodologies

Problem-Solving

Technical Documentation

Team Leadership

Educación

ICT-relevant degree

Intermediate-level certification in software development

Herramientas

.NET technologies

SQL

Business Intelligence tools

UML

ETL tools

Descripción del empleo

We’re looking for an experienced

Software Developer (.NET) to join our technical team on a long-term project supporting large-scale enterprise systems. The ideal candidate has strong software engineering skills, thrives in Agile environments, and can translate complex requirements into efficient and scalable solutions.

Key Responsibilities

Design and develop software systems and modules within the .NET framework

Lead small development teams and set software development standards

Translate business and technical requirements into high-quality design and code

Optimize software for performance, security, and maintainability

Produce comprehensive technical documentation and effort estimates

Propose and prototype technical solutions for business needs

Manage configuration, release, and version control processes

Contribute to requirements analysis, testing, QA, change management, and deployment

Develop testing tools and provide 2nd / 3rd-line technical support

Required Skills & Experience

Minimum 4 years of IT professional experience.

Minimum 2 years of project experience as a Software Developer.

Proven experience in at least two projects involving design, implementation, and deployment of Microsoft Business Intelligence or similar solutions.

At least 3 years of hands‑on work in

• .NET technologies.

Strong knowledge of

• Database design, SQL, BI, and reporting tools
• ETL, data modelling, OLAP, and data mining tools
• UML and multi-layered architecture (data, business logic, UI)

Proficiency in

Scrum or Agile development environments

Strong problem-solving and technical documentation skills

Ability to lead technical teams and mentor junior developers

Education & Certifications

ICT‑relevant degree (mandatory)

At least one intermediate‑level certification in software development or equivalent internationally recognized certification.

Language Requirements

English : Minimum B2 (CEFR) with a recognized certification, which can be done any time before the official submission of the CV.

What We Offer

The opportunity to work on impactful projects within an international environment.

A collaborative, supportive, and growth‑oriented team culture.

Long‑term stability (initial 12‑month contract with up to 3 renewals)

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