Sr. FullStack Developer

**Senior Full Stack Developer – Key Technical Requirements** We are looking for a Senior Full Stack Developer with strong expertise across modern frontend and backend technologies. **Required Technical Skills (Mandatory):** * **7\+ years** working with **React, TypeScript, and modern frontend patterns** . * **5\+ years** of backend engineering using **JavaScript/TypeScript, Node.js, Python, or Java** (expert\-level in at least one). * **3\+ years** working on **high\-traffic, high\-availability e\-commerce platforms** . * Proven experience designing, consuming, and maintaining **scalable internal/external APIs** . * Strong knowledge of **performance optimization** across frontend and backend. * Experience with **MySQL** (query design, transactions, and scale). * Experience with **ORMs** such as Hibernate or equivalents. * Understanding of **data engineering principles** applied to application architecture. * Experience integrating **GenAI** into systems or developer workflows. * Ability to contribute with at least one core language: **Java, Python, or TypeScript** . - I **f you cannot apply via LinkedIn, you may also send your CV (in English only) to:** **hello@solivargascoaching.com** Only English CVs will be considered, as this is a full\-remote role working 100% in English.