Senior Development Engineer - .NET / Angular (UI/UX)

Location: Position based in Boulogne-Billancourt, France

Company

hirify.global provides CPaaS, mobile messaging services, and mobile solutions through scalable platforms for businesses and customers.

What you will do

• Define and analyze business and technical needs with the R&D and Product Marketing teams.
• Develop backend and frontend applications for the messaging business using .NET, Angular, and AWS serverless or managed services.
• Design efficient, scalable, reliable, and reusable software using established engineering practices.
• Apply security by design, responsive design, design patterns, and test-driven development.
• Optimize application performance, quality, and cost efficiency.
• Share technical knowledge and maintain clear documentation within the Scrum team.

Requirements

• 10+ years of professional software development experience.
• Deep expertise in .NET and ASP.NET, with strong recent production experience in Angular and TypeScript.
• Strong frontend craftsmanship, including accessibility, performance, UI polish, HTML, and CSS.
• Knowledge of software design patterns, web security, networking fundamentals, and algorithms.
• Engineering studies.
• Fluent English required for daily written and spoken collaboration.

Culture & Benefits

• Permanent contract.
• Full-time position within a cross-border R&D environment.
• Collaboration in an experienced Scrum-based software engineering team.
• Work focused on complex challenges and mobile messaging solutions.
• Commitment to diversity, integrity, and equal opportunity.