You will need a strong background in modern JavaScript frameworks and a deep understanding of full-stack development. You will be instrumental in designing, developing, and maintaining scalable and high-performance applications, with a particular focus on integrating cutting-edge AI capabilities. Responsibilities • Lead the design, development, and deployment of complex web applications using Next.js and NestJS. • Develop robust and efficient backend services with Node.js, interacting with PostgreSQL databases. • Implement and maintain real-time messaging solutions. • Apply expertise in AI prompt engineering to optimize interactions with large language models. • Contribute to the training and fine-tuning of machine learning models. • Develop and integrate features related to embedding, chunking, and Retrieval Augmented Generation (RAG). • Write clean, maintainable, and well-documented code in TypeScript. • Collaborate closely with product managers, designers, and other engineers to define, design, and ship new features. • Mentor junior engineers and contribute to best practices within the team. • Participate in code reviews to ensure code quality and adherence to standards. Required Skills and Qualifications • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. • 5+ years of experience as a JavaScript Engineer, with a focus on full-stack development. • Proficiency in TypeScript. • Strong experience with PostgreSQL. • Extensive experience with Next.js for front-end development. • Demonstrated experience with NestJS for backend development. • Proven experience with AI prompt engineering. • Familiarity with model training concepts and practices. • Experience implementing and managing real-time messaging systems. • Understanding and practical application of embedding and chunking techniques. • Experience with Retrieval Augmented Generation (RAG) implementation. • Solid understanding of software design principles, data structures, and algorithms. • Excellent problem-solving skills and attention to detail. • Strong communication and interpersonal skills. Preferred Qualifications • Experience with cloud platforms (AWS, Azure, GCP). • Familiarity with containerization technologies (Docker, Kubernetes). • Experience with testing frameworks (e.g., Jest, React Testing Library).