Software Engineering • Senior

Who you are

You are a seasoned Software Engineer with a strong background in C# and .NET technologies — you excel at transforming complex business requirements into efficient, scalable solutions. Your expertise in Clean Architecture allows you to design robust applications that stand the test of time, ensuring high performance and maintainability.

With a deep understanding of software quality principles, you prioritize writing clean, testable code and are well-versed in SOLID principles. You thrive in collaborative environments, working closely with both internal teams and clients to refine specifications and deliver exceptional software solutions.

You have experience across the entire software development lifecycle, from API design to deployment in cloud environments. Your ability to anticipate technical challenges and provide innovative solutions sets you apart as a true craftsman of code.

You are passionate about continuous learning and sharing knowledge with your peers, contributing to a culture of growth and improvement within your team. You understand the importance of code reviews and are committed to fostering a supportive environment for junior developers.

Desirable

Experience with cloud platforms and modern development practices will be a plus, as will familiarity with agile methodologies and DevOps practices. You are eager to stay updated with the latest trends in technology and software development.

What you'll do

As a Senior Software Engineer at SFEIR, you will lead the design and implementation of scalable software solutions that meet the needs of our diverse clientele. You will collaborate with cross-functional teams to gather requirements and translate them into technical specifications, ensuring alignment with business objectives.

You will take ownership of the entire application lifecycle, from initial design through to deployment and maintenance. Your role will involve architecting APIs and ensuring they are robust and efficient, while also focusing on performance optimization and security best practices.

You will actively participate in code reviews, providing constructive feedback to your peers and mentoring junior engineers to help them grow in their roles. Your commitment to quality will drive you to implement comprehensive testing strategies, ensuring that all code meets the highest standards before it goes live.

You will engage in regular discussions with stakeholders to refine project scopes and timelines, ensuring that deliverables are met on schedule. Your technical expertise will be invaluable in troubleshooting and resolving any issues that arise during development or after deployment.

What we offer

At SFEIR, we believe in investing in our employees' growth and development. You will have access to ongoing training and professional development opportunities, allowing you to expand your skill set and advance your career. We foster a collaborative and inclusive culture, where your contributions are valued and recognized.

You will be part of a vibrant community of over 900 tech professionals across France, Belgium, and Luxembourg, with regular internal events such as meetups and training sessions to enhance your knowledge and network. Our Strasbourg office is a dynamic environment where you can thrive and make a real impact on our clients' success.

Join us at SFEIR, where we are committed to not just your current role but your entire career journey. We encourage you to apply even if your experience doesn't match every requirement — your passion for technology and desire to learn are what truly matter.