Lead / Senior Software Engineer - Java/Python/AWS - 12 Month Contract

Lead / Senior Software Engineer for 12 month contract on site in London.Working for a Big 4 professional services firm delivering software projects.Java, Python, Cloud Native AWS, AI, DevOps, CI/CD - Jenkins / GitLab Lead / Senior Java/ Python EngineersBig 4 Consultancy12 month contractOn site in London Location : London (5 days in office)Duration 12 months Key Skills Proficient in Java / Python concepts and proficient advanced experience.Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in cloud environments.Advanced knowledge of cloud-based systems, artificial intelligence, and machine learning, with considerable in-depth knowledge in implementing solutions using AWS.Deep understanding of AI/ML solutions implementation, with emphasis on LLM applications and retrieval-augmented generation.Practical cloud-native experience, specifically with AWS (compute, storage, networking, IAM, KMS, observability).Experience with RAG-based semantic search and LLM inference workflows using OpenAI and Claude models.Expertise in modern SDLC and DevOps: CI/CD (e.g., Jenkins/GitLab), infrastructure as code (e.g., Terraform/CloudFormation), automated testing, and SRE practices. One Team Lead also required to lead the team of 4 who can demonstrate a background in the following: Technical leadership and architectureDelivery ownershipAI/ML solution stewardshipPeople leadershipStakeholder and product ..... full job details .....