About Inallmedia.Com Inallmedia.Com is a general technology and design firm focused on building impactful digital solutions through remote, distributed teams across LATAM. We partner with international clients across industries, providing long-term technical expertise, product innovation, and team augmentation. When you join us, your contract and professional growth will be managed directly by In All Media, ensuring a stable, remote-first environment. Project Overview We are looking for a high-performing Senior Fullstack Developer to join a long-term initiative focused on modernizing and scaling a complex enterprise application. You will be part of a high-visibility squad dedicated to rebuilding core modules using a modern tech stack (.NET Core 6+ and React 18+). The project involves solving high-concurrency challenges, ensuring data integrity across financial/operational workflows, and implementing a modular frontend architecture. As a Senior contributor, you will bridge the gap between robust backend services and intuitive, high-performance user interfaces. Key Responsibilities Architect & Develop: Design and implement scalable, secure, and high-performance services using .NET Core 6+ and modern ReactJS patterns.Fullstack Delivery: Take ownership of features from database schema design with EFCore to frontend component implementation.Collaborate: Partner with cross-functional teams (Product, Design, and QA) to translate complex business requirements into elegant technical solutions.Technical Excellence: Participate in architectural discussions,



perform rigorous code reviews, and mentor junior/mid-level developers to maintain high standards.Continuous Improvement: Write clean, maintainable, and well-tested code while optimizing the performance and reliability of critical system components. Must-Have Skills Backend Mastery: Advanced proficiency in .NET Core 6 and above.Frontend Expertise: Strong experience with ReactJS 18 and modern hooks/functional components.Data Layer: Deep experience working with EFCore (Entity Framework) and SQL Server, including query optimization and schema design.Version Control: Solid understanding of Git and GitHub workflows (Pull Requests, branching strategies).Remote Collaboration: Proven experience working in Agile teams within 100% remote environments.Communication: Fluent English proficiency is mandatory for all daily meetings, documentation, and technical discussions. Nice-to-Have Skills Advanced Frontend: Familiarity with NextJS and managing Nx Monorepos.UI/UX Tools: Experience using MUI (Material UI) for rapid frontend component development.State & Data: Knowledge of Tanstack Query (React Query) for efficient server-state management.Testing: Experience with MSTest or other Unit Test Frameworks like xUnit. Time Zone & Collaboration This role is 100% remote for talent based in LATAM. The team operates on EST (Eastern Standard Time). You are expected to have a significant overlap (at least 6 hours) with the EST time zone to ensure smooth synchronous collaboration.

📌 Fullstack Engineer.Net (Ciudad de México)
🏢 In All Media
📍 Ciudad de México