Senior Backend Developer at SGS

Madrid, Community of Madrid, Spain -

Full Time

Start Date

Immediate

Expiry Date

02 Aug, 26

Salary

0.0

Posted On

04 May, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

.NET 10, C#, Azure PaaS, Clean Architecture, Domain-Driven Design, REST, GraphQL, SQL Server, Entity Framework Core, RabbitMQ, Kafka, CI/CD, Git, Distributed Systems, Event-Driven Architecture, Technical Leadership

Industry

Professional Services

Description

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 We are looking for a Senior Backend Developer with strong technical leadership skills to help shape and evolve our backend platform. You will act as a technical reference for the team, take ownership of backend architecture, improve code quality and engineering standards, and help drive a more mature, engineering‑focused culture. You will work on a SaaS platform built on .NET 10, running primarily on Azure PaaS, in an international, English-speaking environment. Responsibilities Design, build, and evolve scalable, secure, and maintainable backend systems. Lead backend development efforts, driving technical design and architectural decisions. Be a technical reference for the team also support and mentor other engineers Own the full software lifecycle—from concept and design to deployment, monitoring, and continuous improvement. Work across modern and legacy systems Collaborate with product, frontend, and DevOps teams to deliver end-to-end solutions. Champion engineering excellence by promoting best practices (Clean Code, SOLID, testing strategies). Architect and implement distributed systems and event-driven solutions. Build and optimize CI/CD pipelines to enable fast, reliable delivery. Ensure system reliability, performance, and observability in production environments. Mentor and support other developers through code reviews, knowledge sharing, and technical guidance. Contribute to technical documentation and ensure knowledge is shared effectively across the team. Qualifications 7+ years of experience in backend development, primarily with .NET / C#. Strong experience designing scalable and maintainable systems. Deep understanding of software engineering principles (Clean Architecture, Domain-Driven Design (DDD), unit/integration testing). Hands-on experience with REST and GraphQL APIs. Solid experience with relational databases (e.g., SQL Server) and ORM tools such as Entity Framework Core. Experience with distributed or service-oriented architectures. Experience integrating authentication and authorization solutions (e.g., Auth0) Strong knowledge of asynchronous communication patterns and messaging systems (e.g., RabbitMQ, Kafka, Service Bus). Proven experience with CI/CD pipelines and modern DevOps practices. Proficiency with Git and collaborative development workflows. Preferred Skills: Experience with Azure Functions, Azure Event Hubs, Azure Storage, and Azure AI Search Exposure to Infrastructure as Code (e.g., Terraform) Experience with monitoring, logging, and observability in production systems Familiarity with Docker and containerized environments Prior experience in technical leadership or tech lead capacity 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 a hybrid work model. Access continuous learning opportunities through SGS University and Campus. Collaborate in a multinational environment with colleagues from various continents. 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!

Responsibilities

Lead the design and evolution of scalable backend systems and distributed architectures on a .NET 10 and Azure PaaS platform. Act as a technical reference to mentor engineers and champion engineering excellence through best practices like SOLID and Clean Code.