.NET Full Stack Developer

Posted 15 Days Ago
Be an Early Applicant
Madrid, Comunidad de Madrid, ESP
Hybrid
Senior level
Information Technology • Professional Services • Security • Consulting
The Role
Design, develop, and maintain full-stack .NET (C#) applications and modern frontends. Contribute to architecture, CI/CD/DevOps, cloud modernization, reliability, and agile cross-functional collaboration.
Summary Generated by Built In
Company Description

SGS is the world’s leading Testing, Inspection and Certification company. We operate a network of over 2,500 laboratories and business facilities across 115 countries, supported by a team of over 100,000 dedicated professionals. With more than 145 years of service excellence, we combine the precision and accuracy that define Swiss companies to help organizations achieve the highest standards of quality, compliance and sustainability.

Our brand promise – “when you need to be sure” – underscores our commitment to trust, integrity and reliability, enabling businesses to thrive with confidence. We proudly deliver our expert services through the SGS name and a portfolio of trusted specialized brands, including Applied Technical Services, Brightsight, Bluesign and Nutrasource.

Job Description

As a Full-Stack .NET Developer, you will play a key role in the design, development, and evolution of SGS’s core applications. You will contribute to technical design decisions within the team, ensure high-quality implementations, and promote solutions that are scalable, secure, and maintainable.

This role requires strong ownership, a solid end-to-end technical vision, and the ability to proactively contribute to improving our platforms, processes, and development standards.

What You Will Do

  • Design, develop, and maintain full-stack solutions using .NET (C#) and modern frontend frameworks.
  • Actively contribute to technical design and architectural decisions across applications.
  • Contribute to improve and maintain CI/CD pipelines, deployment processes, and overall DevOps efficiency.
  • Modernize legacy applications, reduce technical debt, and promote scalable, cloud-ready architectures.
  • Strengthen system reliability through proactive problem analysis, monitoring, and continuous improvement.
  • Collaborate closely with business representatives, architects, and cross-functional teams in an agile environment.

Qualifications

Required

  • Bachelor’s or Master’s degree in Computer Science, IT, or a related field.
  • 5+ years of experience in full-stack development with .NET (C#), Azure, SQL Server, and Angular.
  • Strong understanding of software architecture, secure coding principles, and DevOps practices.
  • Proven experience across the full software development lifecycle (SDLC).
  • Hands-on experience with Azure DevOps, Git, CI/CD pipelines, and security tools.
  • Fluent in English and comfortable working in a global, multicultural environment.

Nice to Have

  • Experience with Flutter or Xamarin for mobile or cross-platform development.
  • Experience with Blazor, Vue.js and AngularJS (legacy frontend framework).

Additional Information

Why SGS?

  • Join a globally recognized and stable company, a leader in the Testing, Inspection, and Certification (TIC) industry.
  • Enjoy a flexible schedule and hybrid work model
  • Access continuous learning opportunities through SGS University and Campus.
  • Collaborate in a multinational environment with colleagues from various continents.
  • Benefit from a comprehensive benefits platform.

Apply Now:
At SGS, we are committed to fostering an open, friendly, and supportive culture that thrives on teamwork. We value diversity and provide endless opportunities to learn, grow your expertise, and fulfill your potential. Apply now to join our motivated and dynamic team!

Skills Required

  • Bachelor's or Master's degree in Computer Science, IT, or related field
  • 5+ years of experience in full-stack development with .NET (C#), Azure, SQL Server, and Angular
  • Strong understanding of software architecture, secure coding principles, and DevOps practices
  • Proven experience across the full software development lifecycle (SDLC)
  • Hands-on experience with Azure DevOps, Git, CI/CD pipelines, and security tools
  • Fluent in English and comfortable working in a global, multicultural environment
  • Experience with Flutter or Xamarin for mobile or cross-platform development
  • Experience with Blazor, Vue.js and AngularJS (legacy frontend framework)

SGS Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SGS and has not been reviewed or approved by SGS.

  • Healthcare Strength Core medical, dental, and vision coverage is part of the U.S. package and is generally viewed as adequate even if not standout. Company information also underscores healthcare coverage as a standard element of the offering.
  • Retirement Support A 401(k) is commonly included in the U.S., and group disclosures reference post‑employment benefit plans in select regions. These components provide a baseline of retirement security beyond core pay.
  • Strong & Reliable Incentives Annual incentive/bonus structures are part of the compensation mix and cited positively in some regions and roles. Punctual pay is also highlighted as a plus.

SGS Insights

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The Company
HQ: Geneva
99,600 Employees
Year Founded: 1878

What We Do

SGS is the world's leading Testing, Inspection, and Certification company, providing quality and safety control services.

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