AI Developer (Freelance)

We are looking for a skilled AI Developer to join a proof-of-concept project focused on building an AI-powered assistant for business analytics. The solution will connect directly to client APIs or databases, build semantic data models, and deliver contextual insights through a chat interface. You'll be joining at an early stage, working alongside a PM and designer, with opportunities to shape the product architecture and influence technical decisions.

• Design and implement AI-driven features, focusing on semantic data understanding and LLM integration;
• Integrate various APIs and data sources into a unified backend system;
• Develop data pipelines for aggregation and transformation;
• Work with large language models to enable contextual Q&A functionality;
• Collaborate with the team to define system architecture and product direction;
• Ensure secure, scalable, and high-performance implementation;
• Participate in daily stand-ups and weekly demo sessions with the client.

• 2+ years of experience in backend or full-stack development;
• Proficiency in TypeScript, React.js, and Node.js;
• Strong experience with relational databases (MySQL, PostgreSQL);
• Solid understanding of RESTful APIs and secure API integrations;
• Experience with Redis and modern cloud infrastructure (AWS or GCP);
• Proven experience using LLMs (usage, fine-tuning, monitoring);
• Practical knowledge of Langchain and LangGraph;
• Experience with semantic search, embedding models, and vector databases;
• English proficiency at Upper-Intermediate level or higher;
• Strong delivery mindset and ability to work independently in a fast-paced environment;
• Upper-intermediate level of English.