At Prometeo Talent, we excel at connecting companies with exceptional technology and engineering professionals. We're partnering with a company that is looking for a Senior Backend Developer (.NET) to join this exciting initiative and contribute to the development of scalable and high-performing backend systems.As a Senior Backend Developer (.NET), your main goal will be to design, develop, and deliver robust software solutions that meet user needs and align with business objectives. You'll play a key role in shaping system architecture, writing clean and efficient code, conducting thorough testing, and contributing to ongoing process improvements. Required Qualifications:- 7+ years of experience as a Backend Developer using .NET.- 5+ years of experience with SignalR or WebSockets- Advanced English level (B2+ or C1) – capable of collaborating with international teams.- Strong knowledge of ASP.NET, .NET framework or .NET core.- Experience working with SQL databases- Understanding of agile methodologies. What We Offer: Fully remote position – work from anywhere. Flexible working hours to support productivity and autonomy. Paid time off (PTO) to maintain a healthy work–life balance. Access to certifications and training programs for continuous professional growth. Be part of a dynamic and growing team with a strong focus on innovation and quality.