Eurofins
Website:
eurofins.com
Job details:
Company Description
Eurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the medicines you rely on, Eurofins laboratories work with the biggest companies in the world to ensure the products they supply are safe, their ingredients are authentic and labelling is accurate.
The Eurofins network of companies believes that it is a global leader in food, environment, pharmaceutical and cosmetic product testing and in discovery pharmacology, forensics, advanced material sciences and AgroScience contract research services. It is also one of the market leaders in certain testing and laboratory services for genomics, and in the support of clinical studies, as well as in biopharma contract development and manufacturing. It also has a rapidly developing presence in highly specialised and molecular clinical diagnostic testing and in-vitro diagnostic products.
In over 37 years, Eurofins has grown from one laboratory in Nantes, France to over 65,000 staff across a decentralised and entrepreneurial network of more than 950 laboratories in over 1,000 companies across 59 countries. Eurofins companies offer a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin, traceability and purity of biological substances and products.
In 2024, Eurofins generated total revenues of EUR 6.95 billion; and has been among the best performing stocks in Europe over the past 20 years.
Job Description
Senior C# Backend / Service Layer Developer (SOA Transition)
Job Summary
We are seeking a Senior C# Backend Developer to lead the migration of our core business logic from a monolithic SQL Server database into a modern, Service-Oriented Architecture (SOA). In this role, you will abstract database-level logic, design robust APIs, and build a scalable service layer that drives our next-generation platform.
Key Responsibilities
Architect the Service Layer: Design and build reusable business logic components using C# and .NET.
Database Logic Migration: Extract legacy stored procedures and triggers from SQL Server into C# services.
API Development: Design, secure, and maintain high-performance RESTful APIs and web services.
Decouple Architecture: Transition the current monolithic setup into a decoupled, service-oriented ecosystem.
Optimize Data Flow: Implement efficient Object-Relational Mapping (ORM) tools like Entity Framework Core.
Testing & Quality: Write comprehensive unit and integration tests to ensure migration safety and zero downtime.
Required Technical Skills
C# / .NET Mastery: 5+ years of deep backend development experience using .NET Core or modern .NET.
Database & SQL Server: Strong proficiency in SQL Server, including complex queries and indexing strategies.
SOA & API Design: Proven experience building Service-Oriented Architectures and enterprise-grade Web APIs.
Data Access: Expert knowledge of Entity Framework Core or Dapper for efficient data mapping.
Security: Solid understanding of API security protocols, including OAuth2, OpenID Connect, or JWT.
Preferred Qualifications
Experience with message brokers (Prefer MSMQ or Azure Service BUS) for asynchronous service communication.
Prior experience executing a successful monolith-to-SOA migration.
Familiarity with containerization tools like Docker.
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