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.