Systems Architect / Senior Applications Engineer

Description

Job Summary: We are seeking a practical Systems Architect / Senior Applications Engineer to design, build, and support business applications, integrations, and databases. Key Highlights: 1. Practical role in web and business application design and development. 2. Leadership in EDI and system integrations with customers and partners. 3. SQL Server database design and optimization, and operational support. **Position:** Systems Architect / Senior Applications Engineer **Location:** On-site at NexGen Systems, Culiacán, Sinaloa, Mexico **Employment Type:** Full-time **Job Summary** We are seeking a hands\-on **Systems Architect / Senior Applications Engineer** to design, build, and support business applications used by our internal teams and customers. This role focuses on **web applications, integrations, databases, and system upgrades**, in close collaboration with operations and business teams. The role requires strong technical depth but is **practical and execution\-oriented**, not focused on documentation or bureaucracy. **Key Responsibilities** **Application Design and Development** * Design and develop **business web applications**, primarily using **.NET / C\#**. * Maintain and enhance existing applications based on business and operational needs. * Participate in solution design discussions and translate business requirements into functional systems. * Support **User Acceptance Testing (UAT)** and production deployments. **Integrations and EDI** * Lead and support **EDI and system integrations** with customers and partners. * Work with internal and external teams to ensure reliable and well\-documented integrations. * Resolve data exchange and integration incidents. **Databases and Backend Systems** * Design and maintain **SQL Server databases**. * Optimize structures and queries for performance and reliability. * Support schema updates tied to application changes. **System and Server Support** * Provide support for applications running in **Windows / IIS environments**. * Collaborate with infrastructure teams on deployments, updates, and configuration issues. * Support automation and system improvements aligned with business objectives. **Operational and Business Support** * Provide technical support to **Operations, Finance, and customer\-facing teams**. * Support application updates and improvements related to **operations in Mexico**. * Support IT / IS leadership on special technical initiatives as needed. * Mentor and guide junior developers and engineers. **Required Skills and Experience** * 6–8\+ years of experience in **application development or systems engineering** * Strong experience with: * **C\#, .NET, ASP.NET (MVC or similar)** * **Web application development** * **SQL Server** * Experience with **system integrations** (EDI experience is a plus) * Comfort working directly with business users and operational teams * Strong problem\-solving and communication skills * Experience working in **distributed teams** (preferred) **Desirable** * ERP system experience * Process automation and improvement experience * Experience supporting finance or operations systems * Exposure to responsive or mobile web applications **Competencies** * Technical depth with a practical mindset * Strong sense of ownership and accountability * Business\-oriented thinking * Collaboration and influence\-based leadership * Customer\- and operations\-focused approach **Work Environment** * On\-site work at NexGen Systems offices in Culiacán, Sinaloa * Standard office hours with flexibility during production launches or incidents * Occasional extended hours during critical system upgrades Salary: $10,000\.00 \- $30,000\.00 per month Work Location: On\-site employment