Join us in revolutionising health!

This is a full-time role (employed as a freelancer) that will work remotely and can be based anywhere in Central Eastern European region.

About Vivian Lab

Vivian Lab is pioneering the future of hormonal balance and menopause care through AI-powered innovation. We are building a personalized AI lifestyle coach that empowers patients with science-backed insights, support, and guidance during menopause. We are a fast paced, VC funded startup with significant growth. We are seeking a skilled Senior AI & Full Stack Developer with experience in AI technologies, including Claude AI, vector databases, and embedding models.

Why Join us:

• Make an Impact – Help build AI-driven solutions that transform female health and improve lives.
• Cutting-Edge Tech
• Fully Remote & Flexible – Work from anywhere with a team of innovators & visionaries.
• Potential Equity – Be part of a high-growth startup shaping the future of health & wellness.

What You’ll Be Doing

1. AI-Powered Health Coach Development

• Design and implement AI-driven features for our lifestyle coach.
• Ensure scalability and accuracy of AI-based features.
• Work with Claude AI API to build chatbots, AI assistants, or recommendation systems.
• Implement vector search and embedding models to enhance search, personalization, and NLP-based functionalities.
• Integrate vector databases (e.g., Pinecone, Weaviate, Milvus, or FAISS) into the frontend to support AI-driven search and recommendations.
• Implement state management solutions (e.g., Reduxl) for seamless AI-powered interactions.
• Optimize frontend performance while handling large datasets and AI-generated content.

2. Full-Stack Engineering & DevOps

• Work across the stack using React.js (Next.js) and Node.js (Express.js).
• Enhance server-side rendering (SSR) and static site generation (SSG) using Next.js.
• Ensure secure JWT-based authentication and user authorization.
• Deploy and manage applications using Vercel, AWS, or Firebase.
• Implement CI/CD pipelines for efficient and automated deployments.
• Ensure cross-browser compatibility and mobile-first development best practices.
• Diagnose and fix bugs. Identify performance bottlenecks.
• Maintain code and write automated tests to ensure the product is of the highest quality.

REQUIREMENTS

• 3+ years experience with AI services like openAI or claude3
• 5+ years of professional experience working with React.
• 6+ years working with JavaScript
• 7+ years of professional software development experience.
• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax. Technologies: React.js, Next.js, TypeScript, JavaScript (ES6+).
• Vector Search & Embeddings: Familiarity with vector databases like Milvus, Pinecone, FAISS, or Weaviate.
• Experience with Embedding Models: Handling text embeddings (e.g., OpenAI embeddings, Sentence Transformers, Cohere, etc.).
• Performance Optimization: Lazy loading, code splitting, and optimizing AI query responses.
• CSS Flexbox and Grid
• SPA+SSR hybrid frameworks
• Payment processing expertise (Stripe, Stripe Connect, marketplace payments).
• English Skills (ability to effectively communicate via written and spoken english)