Senior AI Software Engineer, Java & Python

Contract: Senior / Lead AI Software Engineer, Java \& Python, 2 positions Location: London, hybrid with 4 days per week onsite Duration: 12-month initial contract Rate: £843.88 to £1,000 per day, PAYE inside IR35 Positions available: 2 We are recruiting two experienced Senior / Lead AI Software Engineers for a long-term contract with a leading global financial services organisation in London. This is a hands-on engineering role focused on designing, building and delivering enterprise-grade AI solutions. You will work across machine learning and generative AI use cases while helping establish AI-led engineering practices that improve software quality, productivity and delivery speed. K ey responsibilities * Design, prototype and deploy scalable AI and generative AI solutions * Develop mission-critical enterprise applications using Java and Python * Translate business challenges into practical, secure and supportable technology solutions * Apply AI to accelerate software development and improve engineering productivity * Evaluate modern AI frameworks, tools and enterprise deployment patterns * Define technical designs, solution options and implementation strategies * Establish and promote AI engineering standards, methodologies and best practices * Work closely with business, engineering, architecture, risk and technology stakeholders * Assess solution feasibility, delivery timelines, technical dependencies and implementation risks * Ensure solutions align with enterprise standards, controls and long-term maintainability * Support continuous improvement, automation and innovation across the engineering lifecycle Essential experience * Strong hands-on Java and Python development experience * Experience developing mission-critical or enterprise-scale applications * Proven experience designing and delivering AI-based solutions in an enterprise environment * Practical knowledge of machine learning and generative AI use cases * Strong understanding of how AI can improve software development and engineering productivity * Experience translating business requirements into scalable technical solutions * Strong technical design, problem-solving and stakeholder-management skills * Bachelor’s degree in computer science, engineering or a related discipline, or equivalent professional experience Desirable experience * Experience with modern AI frameworks, tooling and enterprise deployment patterns * Knowledge of AI governance, controls and responsible AI practices * Experience within financial services, securities, custody or capital markets * Previous experience operating at Senior Engineer, Lead Engineer or Technical Lead level If you are an experienced Java and Python engineer with proven enterprise AI delivery experience, please apply or contact Maria for a confidential discussion. Please note: Due to the volume of applications, we may only be able to contact candidates whose experience closely matches the requirements of the role.