Position Summary: We are seeking an Application Development and Digital Architecture Leader to lead the design, evolution, and assurance of architectural consistency and technical quality of applications, driving innovation and team mentoring. Key Highlights: 1. Lead the design and evolution of backend and frontend applications. 2. Define architectural guidelines and development standards. 3. Act as a technical reference and mentor for the team. We are Ecosistemas Global, a technology company that connects our clients with tailored, comprehensive, and innovative solutions. We operate in more than 15 countries, including Argentina, Chile, Brazil, Mexico, the United States, and Spain. With 30 years of experience and a multidisciplinary team of over 500 professionals, we are driven by our commitment to grow every project and client we work with. We want you to be part of this great team! What are we looking for? An Application Development and Digital Architecture Leader to join a client company. · Work location: Olivos Work mode: Hybrid (minimum two days per week on-site) Working hours: Monday to Friday, 9 a.m. to 6 p.m. · What will your responsibilities be? In this role, you will have the opportunity to: Lead the design, development, and evolution of backend and frontend applications, ensuring architectural consistency and technical quality. Define software architecture guidelines, design patterns, and development standards. Make key technical decisions regarding frameworks, tools, architectures, and implementation strategies. Coordinate and supervise development teams’ work, ensuring adherence to deadlines, quality, and objectives. Coordinate and supervise outsourced development, acting as the technical reference point for software vendors and technology partners. Actively participate in planning, estimation, and prioritization of technical initiatives. Design and implement web and distributed architectures, preferably cloud-native and scalable. Ensure proper system integration via APIs and services. Drive CI/CD practices, automation, testing, and observability. Guarantee application security and compliance with best practices. Act as a technical reference and mentor for the team, promoting continuous learning. Evaluate and incorporate emerging technologies that add value (AI in development, automation, serverless, etc.). Microsoft Platform / Backend Solid experience (+6 years) in .NET, preferably .NET 6 / 7 / 8. Proficiency in C# and development best practices (SOLID, Clean Architecture, DDD). Experience with ASP.NET Core (Web API / MVC). Advanced knowledge of Entity Framework Core. SQL Server expertise: modeling, performance, stored procedures, and optimization. Frontend / Web Experience (+3 years) developing and/or leading teams using ReactJS. Solid knowledge of HTML5, CSS3, JavaScript, and TypeScript. Frontend-backend integration via REST APIs. Cloud & DevOps Practical experience (+3 years) with Microsoft Azure, including: App Services / Web Apps Azure SQL / Storage Azure Functions (desirable) Use of Azure DevOps: Git repositories CI/CD Pipelines Docker knowledge (desirable). Experience designing and operating scalable and resilient cloud architectures. Architecture, Quality and Security Design of web and distributed architectures. Knowledge of microservices (desirable). Implementation of unit and integration tests. Logging, monitoring, and alerting (observability) management. Web application security knowledge (authentication, authorization, roles, JWT, etc.). Skills and Competencies Technical leadership, with decision-making capability and ability to define guidelines. Experience coordinating and developing internal development teams and external vendors. Make vs. buy vision and evaluation of when to develop internally or outsource. Clear and effective communication with both technical and non-technical stakeholders. Planning, estimation, and prioritization capability. Results-oriented and continuous improvement mindset. Mentoring, coaching, and team development capability. Analytical thinking and strong problem-solving orientation. Autonomy, accountability, and commitment. Adaptability to change and openness to new technologies and approaches. Emerging Technologies and Approaches (Valued) Cloud-native and serverless architectures. Advanced observability (metrics, tracing, logs). Automation of the software lifecycle. Use of AI applied to development (code assistants, quality checks, testing, etc.). DevSecOps approaches. Experience in high-availability environments and critical systems. Languages: Advanced English We offer excellent benefits, growth opportunities, and professional development support. At Ecosistemas Global, we believe diversity enriches our culture and perspectives; therefore, we actively foster an inclusive environment where every individual—regardless of origin, gender, orientation, abilities, or beliefs—is not only welcome but essential to our success. We value and respect all voices and invite you to join our team, where inclusion is a core pillar of our values.-Requirements- Minimum education: Tertiary years of experience Keywords: head, manager, director, chief, lead, leadership, supervisor, architect, architecture, online