Job Title: Fullstack Developer Company Name: HYSRTech Job Url: https://hysrtech.careers-page.com/jobs/01a8c9ec-3d06-4b3d-bd7c-15fa27a8a7f0?utm_medium=free_job_board&utm_source=linkedin Job Description: Job Description: About HYSRTech: HYSRTech is a technology consultancy focused on speeding up the digital transformation of major market players. We specialize in strategic Staff Augmentation, connecting high-performance talent with projects that demand technical excellence and agility. The Challenge: We are looking for a Fullstack Developer with solid experience in the Microsoft ecosystem and modern JavaScript frameworks. You will join high-level squads, developing scalable, resilient, and performance-oriented systems for global-scale clients. Responsibilities & Duties: Develop and maintain end-to-end web applications using .NET (C#) on the backend and React on the frontend. Model and manage relational databases using Entity Framework Core and SQL Server. Implement and optimize non-relational storage solutions (NoSQL). Ensure code quality through automated testing and architectural best practices (Clean Architecture, DDD). Collaborate with multidisciplinary teams in an Agile environment (Scrum/Kanban). Contribute to the technical evolution of both HYSRTech and the partners where you are assigned. Technical Requirements (Hard Skills): Solid experience with .NET Core / .NET 5+. Proficiency in React.js (Hooks, Context API, Redux, or state management libraries). Advanced experience with EF Core (Migrations, LINQ, Performance Tuning). Strong knowledge of T-SQL (SQL Server): Stored Procedures, Views, and Query Optimization. Familiarity with NoSQL databases (MongoDB, Redis, CosmosDB, or similar). Proficiency in RESTful APIs and version control (Git). Nice to Have (Differentiators): Knowledge of Azure or AWS cloud environments. Experience with Docker and Kubernetes. Experience with messaging systems (RabbitMQ, Kafka, or Azure Service Bus). Intermediate/Advanced English (for global project collaboration). What We Offer: Work Model: 100% Remote. Contract Type: Contractor or Full-time. Payment & Onboarding: Managed via Deel (supporting local currency payments and compliance). Opportunity to work on projects for large national and international companies. Important Information: Visa Sponsorship Disclosure: Please note that HYSRTech does not provide visa sponsorship for this position. Applicants must be legally authorized to work in their current country of residence at the time of application.