GroupCOS Bogota, D.C., Capital District, Colombia Join Our Team as a Senior Net Developer! As a Senior .NET Developer, you’ll play a key role in supporting a hybrid team of full-time and contract members. This full-stack role requires expertise across multiple areas, including database design, application development, UI/UX design, and Cloud solutions in Azure. What You’ll Do Develop applications ensuring they are secure, scalable, high-performing, and user-friendly. Design and implement UI/UX using HTML, CSS, and JavaScript. Design and maintain SQL Server databases hosted in Azure and virtual machines (VMs). Build web applications in .NET MVC using Entity Framework (EF) and LINQ. Develop backend solutions optimized for handling large data sets efficiently. Create and maintain secure, scalable APIs for seamless data exchange across systems. Collaborate with a dynamic team to deliver impactful, meaningful software solutions. Align software with business needs, working closely with multiple business units. Optimize database structures and queries for faster data processing and retrieval. Lead technical discussions, mentor junior developers, and conduct code reviews. Ensure compliance with HIPAA and other regulatory requirements. What Do We Offer Location: 100% on site - Bogotá - Chapinero Schedule: Monday to Friday, 8:30 AM – 5:30 PM EST Contract: Indefinite term Salary: COP 7,000,000 Benefits: Prepaid Medicine What We’re Looking For C1/B2+ English skills, enough to deliver. Bachelor’s degree in Computer Science or related field (preferred). Proficient in Microsoft Office Suite, Excel, Teams, and enrollment/billing software. 5+ years of experience in .NET development (C#, ASP.NET, MVC, SQL Server). Expertise in data processing, performance tuning, and handling large datasets. Strong knowledge of server-side development, API integrations, and database management. Familiarity with HIPAA, CMS, Medicaid, Medicare, and other compliance regulations (preferred). Strong logical thinking and ability to create intuitive software solutions. Experience with big data and high-volume transactions. Proficient in SQL for database management and query optimization. Ability to adapt to shifting priorities in a fast-paced environment. Microsoft or AWS certification is a plus. Interested? Send us your resume and let’s get started! We can’t wait to hear from you! Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries IT Services and IT Consulting #J-18808-Ljbffr