Dear Candidate,Greetings from Celsior Technologies!!!We are aggressively looking for immediate joiner who have expertise as a Sr. / Lead .Net Developer US MortgageIn case you are matching the skill set and considering job proposals then please share the CV & following details very quickly. We would like to onboard immediately.Total ExperienceCurrent CTC / Expected CTCCurrent Location / Preferred LocationOfficial notice period / Minimum time required to joinJob SummarySenior/Lead .Net Developer – US MortgageRole Overview: We are looking for a highly skilled Senior Software Engineer with strong expertise in .NET technologies. This role involves hands-on development, architectural design, and participation in technical interviews. The ideal candidate should be capable of building scalable applications and setting up project infrastructure independently. Key Responsibilities:Design, develop, and maintain robust .NET Web API applicationsDefine and implement architecture, design patterns, and best coding practicesSet up and manage project infrastructure, including repositories, environments, and solution architectureDevelop and maintain repository patterns, services, controllers, and dependency injection frameworksWrite clean, efficient, and maintainable code following coding standardsBuild and optimize complex LINQ queries, identify performance bottlenecks, and enhance application performanceParticipate in technical interviews and contribute to team hiringCollaborate in an Agile development environment Required Skills:Strong experience with C# and .NET (Web API)Hands-on experience with Visual Studio (latest versions)Solid understanding of design patterns and system architectureStrong algorithmic and problem-solving skillsExperience in unit testing (preferred)Knowledge of dependency injection, repository patterns, and service-based architectureAbility to work independently and take ownership of end-to-end development Good to Have:Experience with KafkaExposure to mortgage domainFamiliarity with Agile methodologies (Scrum/Kanban)AI Tools & Technologies – RAG, LLM, Computer Vision, Github, Copilot, ClaudeMust be ready to attend a coding test of 2 hoursLocation – Noida/Hyderabad/Trivandrum (Hybrid Mode) – 3 days from officeImmediate Joiners Preferred !!P.S. : If you wish to refer someone , we would be glad to consider.About Company: Celsior TechnologiesWe have presence in Software Application & Development space primarily focusing on BFSI, Mobile, and Health Vertical. We have excellent market visibility for our in house products in "Document Management & Work Flow management". We are headquartered out of Atlanta, Georgia and in total have employee strength of 7000+. Our professionals help clients in enhancing their investment in 2500+ IT initiatives by providing solutions Onsite, Offsite and Offshore.Our wholly owned Off-shore development centres are located in Noida & Hyderabad, India. It has been designed to meet our client's contingencies and enable a congenial working environment for our professionals from various parts of the country to work seamlessly. Our Global Delivery Model gives us control over the projects and assures greater system reliability at lower cost.We are continuously expanding our expertise and capabilities, to be a leading end-to- end IT Management and IT Enabled Service provider. For more information please visit our website http://celsiortech.comIncredible Places to Work 2026 certifiedHeadquartered - Atlanta, USAHeadcount - 7000+Presence - 25+ Locations across the globe.Business Verticals ? Enterprise Solutions, QA Services, Data Analytics, Platforms & Cloud Licensing, Microsoft 365, Information Security.NOTE: Please accept my sincere apologies if the location or the skill set does not match with your location or your skill set. Any inconvenience caused is highly regretted. Role: Back End Developer,Industry Type: IT Services & Consulting,Department: Engineering - Software & QA,Employment Type: Full Time, PermanentRole Category: Software DevelopmentEducationUG: Any GraduatePG: Any Postgraduate