Lead / Senior Java/ Python Engineers
Big 4 Consultancy
12 month contract
On site in London

• Location : London (5 days in office)
• Duration 12 months
• Key Skills

1. Proficient in Java / Python concepts and proficient advanced experience.
2. Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in cloud environments.
3. Advanced knowledge of cloud-based systems, artificial intelligence, and machine learning, with considerable in-depth knowledge in implementing solutions using AWS.
4. Deep understanding of AI/ML solutions implementation, with emphasis on LLM applications and retrieval-augmented generation.
5. Practical cloud-native experience, specifically with AWS (compute, storage, networking, IAM, KMS, observability).
6. Experience with RAG-based semantic search and LLM inference workflows using OpenAI and Claude models.
7. 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