Location : Remote Contract Length : Initial 3 Months Start Date : ASAP We are recruiting on behalf of our client for a Freelance Fullstack Software Engineer to support the development of AI-powered products and solutions. Responsibilities: Design, build, and maintain scalable fullstack applications using modern technologies including React, TypeScript, Java, and/or Python. Develop and integrate AI/ML-powered features, including LLMs, AI agents, RAG pipelines, and intelligent automation workflows. Work with technologies such as LangChain and AI orchestration frameworks to deliver production-ready solutions. Collaborate with product and engineering teams to design and implement innovative AI-driven solutions. Requirements: 4 years' commercial experience in fullstack software engineering. Strong expertise with React, TypeScript, Java and/or Python. Proven experience building or integrating AI/ML applications in production environments. Hands-on experience with LLMs, AI agents, LangChain, Vector Databases, or similar beneficial. Comfortable using AI-assisted development tools such as Cursor, GitHub Copilot, or ChatGPT. If interested, please apply with your updated CV. Darwin Recruitment is acting as an Employment Business in relation to this vacancy.