Fullstack Python React Software Engineer

AI/ LLM - Python React Engineer - Contract Opportunity London Hybrid based - 70% Python - 30% React Job Description We are seeking a highly skilled Python Fullstack Engineer with extensive experience in both front-end and back-end development. This role is very interesting as you will also be working with LLM's and AI/ML. Knowledge of LangChain or Haystack or Llamalndex Essential Skills 10+ years of experience in designing and developing operational support systems and automation solutions using Python. Front-end development skills, including designing and implementing user interfaces using JavaScript and frameworks such as React. Back-end development skills, including maintaining server-side logic using Python, managing APIs, and integrating third-party services. Experience with database management using Postgres to ensure application data integrity and security. AI/ML expertise in building and deploying Agentic systems, MCP servers/clients, and RAG systems with Large Language Models. Responsibilities Stay informed about the latest trends in AI/ML to influence design decisions. Develop test strategies, plans, cases, and scripts for both existing functionality and new features. Balance new feature development with documentation and on-time delivery. Communicate status and progress through sprint review reports, presentations, and demos for new features and MVPs. Participate in Scrum ceremonies and cross-functional meetings to enhance collaboration within and across teams. Location London, UK Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at (url removed)> To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to (url removed)> We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at (url removed)/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield