(15h Left) AI Engineer

QX Labs is looking for a full stack AI engineer with a strong software background to join our expanding team of AI experts. We are an early-stage London-based startup building cutting-edge workflow and data automation products for investment firms. Our flagship product () is a platform that transforms how financial firms and investment companies source deals and do research. We're looking for a talented, product-minded AI engineer to join the team. You will be involved in building out our core products and will also play a pivotal role in developing new AI-powered products. You will work directly with our founder, collaborating on product engineering, architecture, and execution. This is more than just a coding role; it's a chance to be a true builder in a dynamic startup environment, working at the forefront of applied AI. This is a remote role with the flexibility to work full-time or part-time/contract with a view to transitioning to full-time in the near future. Your responsibilities - Collaborate closely with our founder on the technical development of the platform, as we productise new AI-powered tools and capabilities - Design, develop, test, and deploy robust, scalable full-stack applications using Python, TypeScript (React), and modern AI technologies - Architect and implement solutions leveraging LLMs and their surrounding ecosystem (e.g., multi-agent systems, RAG, vector DBs, fine-tuning techniques) - Actively research, experiment with, and integrate the latest AI advancements into our products, and proactively suggest improvements to enhance our generative AI capabilities - Contribute to building the foundations of our engineering practices and infrastructure - Implement strong testing and CI/CD practices that help us move with confidence in our AI system development - Help shape the future product direction of QX Labs by exploring and prototyping new ideas Is this you? - Bachelor's or Master's degree in Computer Science, Engineering or equivalent practical experience - 2+ years of professional experience in software engineering and AI/ML development. - Strong technical foundation in Python and experience with modern web frameworks - Frontend expertise with TypeScript frameworks, particularly React, building intuitive user interfaces - AI enthusiast & practitioner, comfortable working with LLMs and related tools with a portfolio to demonstrate this - AI ecosystem awareness - you have a genuine passion for applied AI and ML, actively follow the latest research, models, and tools, and can thoughtfully discuss their applications - Product-oriented mindset - you care about the 'why' behind what you're building and are focused on delivering user value - Able to articulate complex technical concepts clearly - Able to work independently and effectively in a small, tight-knit team Preferred skills - Experience building scalable applications with LLMs using frameworks such as LangGraph, LangChain, HuggingFace etc. - Depth of knowledge with RAG implementation and improvements - Experience with database technologies (MongoDB, Qdrant, Neo4J, SQL) - Experience with DevOps practices and CI/CD pipelines About the Founder You'll be working directly with Jai, the founder of QX Labs. Jai brings a unique blend of technical and business experience. He started his career as a software engineer at a social analytics startup which was acquired in 2014. In 2019 co-founded Seek Ventures, a global investment firm where he has deployed over $500m into software and internet businesses. Jai graduated top of his class in Engineering, Economics & Management from Oxford University. Interested? If you're excited by the challenge of building intelligent enterprise products and want to make a foundational impact at an early-stage AI startup, we'd love to hear from you.