**Main Responsibilities:** Processing and Validation of Transit Data Reengineering of transit data processing (former Socket Server). Reengineering of the transit validator formerly used by DNRPA. Development of the validator and its query console. Implementation of the agent for selecting steps to verify and applying validations. Management of final states of assumptions and assumptions query console. Payment Circuit and Payment Methods Reengineering of the unified wallet payment circuit. Development of payment rejection management. Integration interfaces with the customer master and payment methods. Development of the automatic toll pricing engine. Monitoring and Centralized Management Development of a monitorable concepts manager. Implementation of the centralized self-detecting incident manager. Development of the critical processes monitoring console. Linking of cross-functional query consoles. Support for Organizational and Business Processes Adaptation of the budget management tool BudgetTrace. Development of consoles for managing toll structure configuration (Corridors, Stations, Lanes, etc.). Reengineering of gantry messages. Development of MPO Manager (Solutions, Applications, Environments, Alerts). Company focused on operational management and development of large-scale infrastructure projects at urban and interurban levels, currently seeking an SQL Server Developer SSR who will participate in the reengineering and modernization of transit processing and validation systems, as well as in the development of central consoles and information management tools. Requirements **Mandatory Requirements:** +3 years of experience in the role. Proficiency in SQL Server (Stored Procedures, Functions, query optimization, indexing, performance tuning). Fluent use of Visual Studio. Use of ChatGPT as a development assistant. **Desirable:** Knowledge of .NET (VB.NET, C#, APIs). Experience with GIT Lab, Docker, Nifi, Kafka. **Conditions:** Direct hiring by the company **Work Modality:** 4 days onsite, 1 day remote. **Location:** CABA, Parque Avellaneda. Benefits Osde 210 health insurance for employee and immediate family. Annual bonus based on goal achievement. Birthday free day. On-site cafeteria. Daycare. Shuttle service (from Constitución to Parque Avellaneda)