.NET Developer

Job Title: Senior .NET Full Stack DeveloperLocation: Silver Spring, MD (Hybrid – 1 day/week onsite, Wednesdays)Contract Length: 9–12 months (possible extension)Rate: $50 - $60 hourBenefits: This position is eligible for: Dental, Vision, Medical, 401(k)About The RoleWe are seeking a Senior .NET Full Stack Developer who enjoys solving problems independently, communicates technical concepts clearly, and thrives in a fast-paced environment. This role involves building, scaling, and maintaining complex web and back-end applications within a Microsoft technology stack.The ideal candidate has strong full-stack expertise, a proactive mindset, and experience working with sensitive data in compliance with data privacy and security standards.Key ResponsibilitiesDesign, develop, and maintain interactive web applications and servicesBuild and support RESTful APIs and integrations across platformsCollaborate with BAs, PMs, and developers to manage requests and deliverablesProduce technical documentation, architectural diagrams, and specificationsParticipate in code reviews, demos, and team knowledge-sharingEnsure solutions align with data privacy, security, and compliance requirementsStay current with emerging technologies and recommend adoption where appropriateRequired Skills & ExperienceBachelor’s degree in Computer Science, Engineering, or related field7+ years of hands-on development experience with Microsoft technologiesExpertise in C#, ASP.NET Core, .NET 5+, Entity FrameworkStrong RESTful API development and integration skillsExperience applying data privacy best practices (e.g., encryption, secure coding, GDPR/CCPA considerations)Solid understanding of architectural patterns (MVC, MVVM, MVM)Strong troubleshooting, debugging, and problem-solving mindsetExcellent communication skills and ability to explain technical concepts clearlyExperience creating architectural diagrams (UML, BPMN)Preferred QualificationsSQL Server and NoSQL (Cosmos DB)JavaScript frameworks (Node.js, Bootstrap, Foundation)Microservices architectureCI/CD tools (GitHub, TFS, Azure DevOps)CMS/Commerce platforms (Episerver preferred)Microsoft DynamicsTest-Driven Development (TDD)Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.IND 005-010