Sr Full-Stack .NET Developer

Sequoia Connect

18h•Hybrid

About The Position

At Sequoia Connect, we are a Talent-First Technology Ecosystem that redefines how elite professionals interact with the global corporate landscape. We act as a catalyst for the top 1% of global talent, connecting human potential with complex industrial and technological execution. By joining our network, you are not simply taking a position; you are aligning with a strategic partner dedicated to updating your "Human OS" and accelerating your growth through world-class, high-impact projects. We are currently partnering with a global leader in sustainable packaging solutions and high-precision filling technology. With a presence in over 100 countries and a track record dedicated to responsible innovation, this organization serves as the backbone of food safety and logistical efficiency for the world’s most recognized brands. Their approach ensures that every technological solution is not only efficient but also contributes positively to the environment and society through aseptic packaging systems and industrial digitalization. This is your chance to thrive in an environment where precision engineering meets global-scale sustainability. You will join a diverse team of experts operating under international standards of excellence, working on the development and maintenance of systems that impact the lives of millions of people daily. If you are a professional driven by technical innovation and seeking a purpose-driven career within a solid, forward-thinking structure, this is where you belong. Start today the transformation that will take your career to the next level.

Requirements

Hands-on development experience in .NET (C#) for backend services and web applications.
Solid experience with front-end technologies, specifically React and/or ASP.NET MVC.
Ability and willingness to support and maintain legacy ASP.NET Web Forms solutions.
Working knowledge of SQL Server (queries, stored procedures, and data design).
Experience with Git-based source control and collaborative workflows in Azure DevOps repositories.
Practical understanding of ITSM/ITIL practices for incident response and service request fulfillment.
High-Performance Mindset: Resilience, emotional intelligence, and a focus on agile delivery.
Technologist DNA: A deep understanding of the difference between "coding" and "engineering."
Advanced Oral English: For seamless collaboration with global teams.
Advanced Spanish.

Nice To Haves

Experience supporting integrations with ERP systems (e.g., Infor LN).
Experience participating in application modernization and technical debt reduction initiatives in Azure environments.
Familiarity with cloud-native foundations or AI coding assistants.

Responsibilities

Develop, enhance, and maintain application and integration components across a mixed .NET ecosystem, including web applications, APIs/services, console applications, and background processing.
Support front-end and UI layers primarily utilizing React and ASP.NET MVC, while also providing support for legacy ASP.NET Web Forms and other existing UI technologies as required.
Troubleshoot and resolve application incidents and service requests, performing root cause isolation and implementing pragmatic fixes that prioritize stability, simplicity, and business value.
Build and maintain integrations between internal applications and third-party systems (including ERP integrations), using clear domain language and avoiding unnecessary complexity.
Work extensively with SQL Server on the data side (queries, stored procedures, data design considerations) to support application functionality, performance, and reliable integrations.
Use Git-based source control and collaborate in Azure DevOps repositories; contribute to improving build/release practices ranging from mature CI/CD pipelines to legacy deployments.
Identify and document technical debt and reliability risks; propose and implement incremental improvements, including application modernization activities aligned to the global cloud (Azure) program.
Participate in agile ceremonies and deliver high-priority work with high quality and low defect rates, aligned to team focus and IT service commitments.
Comply with Good Manufacturing Practices to ensure the production of safe packaging, correctly performing all quality procedures under your responsibility.