Senior Web Developer

CDH Professionals; Belgique; Sur place; EUR 65 000 - 90 000; Plein temps

Résumé du poste

CDH Professionals in Belgium is seeking a Senior Web Developer to join a growing e-commerce tech team. You will design, build, and maintain high-traffic web applications using the .NET stack and modern front-end technologies.

You will mentor juniors, contribute to architectural decisions, and drive best practices focused on performance, security, and scalability. You will work closely with Agile delivery teams to estimate work, prioritize tasks, and ensure sprint commitments are met, while

Qualifications

• Proficient in the Microsoft .NET ecosystem (C#, ASP.NET).
• Strong front-end skills: HTML5, CSS, JavaScript, TypeScript.
• Experience with SQL Server, T-SQL, and stored procedures.
• Familiar with Git workflows and Agile development.

Responsabilités

• Design, develop, and maintain web applications using .NET stack and front-end tech.
• Write clean, scalable, and secure code with a focus on performance and reliability.
• Troubleshoot complex issues and implement robust solutions.
• Develop and maintain automated tests (unit and E2E).
• Perform code reviews and promote improved development standards.
• Support evolution of platform architecture for scalability.
• Monitor app performance using logging and analytics tools.
• Collaborate with Agile teams to plan and deliver sprints.
• Mentor junior developers and promote knowledge sharing.
• Stay updated on emerging technologies and best practices.

Connaissances

C#/.NET

Web technologies

SQL Server

Git/Agile

Debugging

Communication

Security best practices

Performance optimization

Description du poste

Senior Web Developer

Overview:

We are seeking an experienced Senior Web Developer to join a growing e-commerce technology team. This is an opportunity to work on high-traffic digital platforms, contribute to technical architecture decisions, and play a key role in delivering scalable, customer-focused web applications. The successful candidate will provide technical leadership, mentor junior developers, and help drive best practices across the development function.

Key Responsibilities:

• Design, develop, and maintain web applications using C#, .NET, ASP.NET, HTML5, TypeScript, and SQL.
• Write clean, maintainable, and scalable code with a strong focus on performance, reliability, and security.
• Conduct technical analysis, troubleshoot complex issues, and implement robust solutions.
• Develop and maintain automated testing frameworks, including unit and end-to-end testing.
• Perform code reviews and contribute to continuous improvements in development standards and processes.
• Support the ongoing evolution of platform architecture, ensuring scalability and maintainability.
• Monitor application performance and proactively identify issues using logging, analytics, and monitoring tools.
• Work closely with Agile delivery teams to estimate work, prioritise tasks, and deliver sprint commitments.
• Mentor and support junior developers, promoting knowledge sharing and technical excellence.
• Stay informed on emerging technologies and industry best practices to drive innovation.

Required Skills & Experience:

• Strong commercial experience with the Microsoft .NET ecosystem, including C# and ASP.NET.
• Solid understanding of modern web technologies, including HTML5, CSS, JavaScript, and TypeScript.
• Strong experience with Microsoft SQL Server, including T-SQL and stored procedures.
• Experience designing and developing scalable web-based applications.
• Understanding of software architecture principles, design patterns, and secure coding practices.
• Experience with Git-based version control systems and Agile development methodologies.
• Strong debugging, troubleshooting, and problem-solving skills.
• Excellent communication skills with the ability to collaborate effectively across technical and non-technical teams.

Desirable Skills:

• Experience with cloud technologies such as Google Cloud Platform (GCP), Cloud Run, Docker, and Terraform.
• Exposure to data, logging, and monitoring platforms such as BigQuery.
• Knowledge of SEO, website performance optimisation, page speed improvements, and responsive design principles.
• Understanding of networking concepts and protocols.

Candidate Profile:

• Passionate about technology and software development.
• Proactive, self-motivated, and capable of taking ownership of technical initiatives.
• Analytical thinker with the ability to identify and resolve complex technical challenges.
• Detail-oriented with a commitment to delivering high-quality solutions.
• Collaborative team player who enjoys mentoring others and contributing to a positive engineering culture.
• Comfortable working in a fast-paced, Agile environment supporting large-scale digital platforms.