Our professions

C# .NET Developer

The C# .NET Developer designs and maintains applications across the Microsoft .NET ecosystem. Discover the role, skills and career at T&S.

Launch Date
March 2025
PROJECT TYPE
Mission-critical systems modernization
Client
Société Générale
CONTEXT
Banking, market data and payment services
C# .NET Developer

Mission

The C .NET Developer designs, develops, and maintains software applications using the Microsoft .NET ecosystem. They contribute to building reliable, scalable, and high-performance solutions, from business applications and APIs to web platforms and enterprise systems, while ensuring code quality, maintainability, and alignment with technical requirements.

Main Activities

  • Analyze business and technical requirements.
  • Design, develop, and maintain applications using C and .NET.
  • Build and integrate APIs, backend services, and software components.
  • Contribute to software architecture and technical design decisions.
  • Perform unit testing, debugging, and code reviews.
  • Optimize application performance, security, and reliability.
  • Maintain technical documentation and ensure software quality.
  • Collaborate with product, QA, DevOps, and project teams throughout the development lifecycle.

Technical Skills

  • C programming.
  • .NET / .NET Core / ASP.NET Core.
  • REST API development and integration.
  • Object-oriented programming and software design patterns.
  • SQL databases and ORM tools such as Entity Framework.
  • Front-end basics such as HTML, CSS, JavaScript, or Angular/React.
  • Unit testing and debugging tools.
  • Git, CI/CD pipelines, and DevOps practices.
  • Cloud environments such as Azure or AWS.
  • Agile methodologies such as Scrum or SAFe.

Soft Skills

  • Analytical thinking and problem-solving.
  • Attention to detail and code quality.
  • Team collaboration and communication.
  • Autonomy and accountability.
  • Adaptability to changing technical environments.
  • Continuous learning mindset.
  • Ability to understand business needs and translate them into technical solutions.
  • Career Opportunities
  • CTA to the offer
Our recruitment process

Simple, fast, respectful

Our commitment — Every application receives a response and a transparent recruitment process.

Step 01
Application reviewed within 7 working days.

Operational framing, technical alignment and project governance.

Step 02
First conversation with Talent Acquisition

Industrial layouts, mechanics, automation studies and production workflows.

Step 03
Interview(s) with managers and practice leaders.

Assembly, integration, wiring and industrial realisation.

Step 04
Offer within 5 working days, with reflection period

Factory Acceptance Testing, validation and commissioning preparation.

Our labels and commitments