GroupCOS Bogota, D.C., Capital District, Colombia Join or sign in to find your next job Join to apply for the Senior Developer / B2+ C1 role at GroupCOS At ONE TOUCH DIRECT, we are looking for a Net Senior Developer to join our team. If you are a creative and passionate professional in this area, this is the opportunity you're waiting for. Functions Design, develop, and maintain robust applications using .NET technologies (such as C#, ASP.NET, .NET Core). Write clean, efficient, and reusable code, following best practices and design patterns. Develop scalable, high-performance software components. Implement agile methodologies (Scrum, Kanban) for project management. Design and optimize queries and database structures (SQL Server, PostgreSQL, etc.). Work closely with product, QA, DevOps, and UX/UI teams. Translate functional requirements into effective technical solutions. Identify, analyze, and solve complex technical problems. Optimize applications to improve performance and scalability. Requirements Professional, technician, or technologist in careers related to the position. English level: C1. 5+ years of experience with HIPAA, CMS, AHCA, NAIC, OIG, URAC, DHEC. Experience with large data set processing and performance tuning. Deep understanding of server-side backend development, including API integrations and database management. Experience working with big data, high-volume transactions, or enterprise-level data solutions. Understanding of SQL for database management and query optimization. Microsoft or AWS certification is a plus but not required. Additional Information Work is performed in an office environment. The employee must maintain active communication with customers and colleagues. Job Conditions Indefinite term contract Salary: $7,000,000 (Bi-weekly payment) Schedule: Monday to Friday, 8:30 am to 5:30 pm Location: On-site in Bogotá - Chapinero Benefits Prepaid medicine (Colsanitas) If you meet the profile and want to join our team, don't hesitate to apply. #J-18808-Ljbffr