.NET Developer M/F

You want to join a company that places people at the heart of its concerns? We are waiting for you at Extia !

As a consulting company specialized in IT and digital sectors, Extia has prioritized an approach that combines performance and well-being at work since its creation in 2007. This vision is shared today by more than 2,500 Extians across France and internationally, and has been recognized by the Great Place to Work® certification for 15 years!

We believe in equal opportunity and offer every candidate the chance to reveal their potential, without distinction of any kind. At Extia, it’s “First who, then what” so, let’s do it!

You are a proactive professional who excels at translating complex business requirements into high-quality code. You thrive in technical discussions, take full responsibility for your components, and possess the grit needed for deep-dive debugging.

You will taking charge of the maintenance, design, and development of complex software systems that power global maritime logistics. You won’t just write code; you will shape the tools that keep international trade moving.

Key Responsibilities

Responsible for the maintenance, design, and development of complex computer software for a global ocean carrier. Design software from requirements, applying industry-leading development practices to ensure high-quality delivery. Participate in technical discussions, take full ownership of software components from initial design to final delivery, and provide expert debugging skills.

Key Requirements

Expert knowledge of C# and .NET Framework (including WPF, WinForms, Serialization, Reflection, Security, ADO.NET, multi-threading, and Entity Framework). 3+ years of application development experience with a strong focus on business process optimization. Very strong SQL Server skills, including stored procedures, user-defined functions, tables, indexes and views. Strong understanding of CS fundamentals with proven problem-solving and quantitative analytical skills. Ability to implement and continually improve efficiencies within the product development process. Direct experience with designing, developing, and implementing EDI solutions. Bachelor’s Degree or IT-related certification. A Master’s degree in Computer Science is a significant plus. Fluent in English.

Nice to have

Experience with XML and managing electronic exchange solutions. Hands-on experience with C++ programming. Experience with Web Services, REST API, or JSON. Familiarity with Agile methodology and Azure DevOps. Experience in Cloud-Native development. Ability to interact with and analyze logging platforms.