Senior Developer (.NET/Angular)

TL;DR

Senior Fullstack Developer (.NET/Angular): Building innovative and robust messaging solutions on AWS cloud with an accent on scalable code, UI/UX polish, and performance. Focus on translating wireframes into production-ready interfaces and implementing best software engineering practices like TDD and security by design.

Location: Onsite in Boulogne-Billancourt, France

Company

Leading European provider of CPaaS and mobile messaging services, specializing in scalable digital convergence solutions for businesses.

What you will do

• Participate in the definition and analysis of system requirements for messaging solutions.
• Develop efficient, scalable, and reusable code for backend and frontend applications.
• Implement software engineering best practices, including design patterns, TDD, and security by design.
• Build full-stack applications using .NET, Angular, and AWS serverless/managed services.
• Optimize application performance, quality, and cost efficiency.
• Create and maintain detailed technical documentation.

Requirements

• 10+ years of professional experience in .NET / ASP.NET, Angular, and modern JavaScript, HTML, and CSS.
• Strong grasp of UI/UX fundamentals and ability to translate wireframes into production interfaces.
• Deep understanding of algorithms, security practices, networking, and design patterns.
• Engineering degree.
• Fluent English for daily collaboration.
• Must be based in Boulogne-Billancourt.

Culture & Benefits

• Permanent employment contract.
• Diverse, high-growth environment with strong cross-border collaboration.
• Culture driven by core values: United, Dedicated, and Enthusiastic.
• Inclusive workplace committed to equality and diversity.