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

Job Description
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• 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. xkybehq
    • 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 architecture
• Delivery ownership
• AI/ML solution stewardship
• People leadership
• Stakeholder and product partnership
• Controls and governance