Summary: Seeking a Full Stack Engineer to develop and maintain backend services with Node.js and modern frontend applications using React.js/Next.js, integrate AI services, and contribute to system design. Highlights: 1. Develop scalable backend services and responsive frontend applications. 2. Integrate third-party APIs and AI services for AI-driven features. 3. Collaborate in a distributed team on system design and architecture. **What you will do** * Develop and maintain backend services using Node.js, with emphasis on scalable, robust APIs. * Build and support modern frontend applications using React.js/Next.js, ensuring responsive UI and accessible design. * Work with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB) and leverage ORMs (TypeORM, Sequelize, Mongoose) for efficient data access. * Participate in system design, architecture decisions, and code reviews in a distributed team environment. * Integrate third\-party APIs and AI services, including OpenAI API / LLM integrations, to power AI\-driven features. * Collaborate with product managers, designers, and other developers to deliver high\-quality software on schedule. * Contribute to CI/CD pipelines, containerization with Docker, and basic DevOps practices to improve delivery speed and reliability. **Required skills and experience** * Strong experience with JavaScript and TypeScript in both backend (Node.js) and frontend (React.js/Next.js). * Proficiency with Express.js or Nest.js and modern API design patterns (REST/GraphQL). * Databases: PostgreSQL, MySQL, MongoDB; practical experience with ORMs such as TypeORM, Sequelize, or Mongoose. * Frontend expertise in React, Redux, and TailwindCSS; ability to build responsive, accessible user interfaces. * Familiarity with cloud platforms (AWS, GCP, Azure) and CI/CD practices; basic Docker and DevOps understanding. * Experience integrating AI services and OpenAI API; interest in AI\-powered features (chat, agents, automation, embeddings, RAG). * Comfortable working in a distributed, collaborative environment with PMs and cross\-functional teams. * English proficiency for communication in international teams; proactive, self\-motivated, and strong problem\-solving skills.Nice to have Python development experience and data tooling.Prior exposure to AI/ML workflows and large language model integrations. * Cloud\-native design experience and advanced DevOps practices. * Familiarity with testing strategies, QA automation, and performance optimization. **What we offer** * Constant and interesting work with foreign clients. * Fully remote work (LATAM region only) with flexible hours. * 50% cost coverage for sports and English lessons. * Annual paid 30 days vacation and paid sick days. * Medical insurance policy. * Collaborative, international team and opportunities for career growth and skill development. Job Type: Full\-time