Senior AI Engineer – Generative AI, Production‑Ready

Citi

Greater London

Hybrid

GBP 110,000 - 160,000

Full time

14 days+
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Benefits offered by this job

27 days annual leave
Discretional annual bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Employee discounts

Job summary

Citi London is seeking a Senior Software/AI Engineer to own end-to-end AI product development, from problem definition to deployment. You will build production-grade services for intelligent document processing, data extraction and workflow automation, applying Generative AI and LLMs with a focus on reliability, explainability, and auditability.

You will collaborate with Product, Risk, and Engineering teams in a fast-moving, regulated banking environment, delivering scalable, robust AI solutions

Qualifications

  • Senior-level software engineering track record in production systems.
  • Strong Python development and maintainable services.
  • Experience applying Generative AI and LLMs to real business problems.
  • Expertise in prompt design and model evaluation.
  • Experience in Intelligent Document Processing, data extraction or NLP-based tasks.
  • Exposure to MLflow and model evaluation methods is advantageous.
  • Solid software architecture and modern delivery tooling knowledge.
  • Experience with databases and Kubernetes/OpenShift advantageous.
  • CI/CD and modern tooling exposure (Jenkins, uDeploy, Tekton, Harness).
  • Awareness of regulated environments requiring resilience, explainability and auditability.
  • Excellent communication and ability to work with diverse stakeholders.

Responsibilities

  • Design, build and support high-quality, production-grade AI software and services.
  • Own end-to-end technical solutions from definition to deployment and improvement.
  • Develop Generative AI solutions for document processing, data extraction and workflow optimisation.
  • Evaluate AI models, prompts and architectures; productionise effective approaches.
  • Lead technical design and architecture of AI products ensuring resilience and explainability.
  • Collaborate with Product, Risk and Engineering to meet regulatory requirements.
  • Partner with senior stakeholders to shape product vision and roadmaps.
  • Provide technical leadership and mentorship to engineers.
  • Improve engineering practices through code reviews and automated testing.
  • Troubleshoot distributed systems and improve performance and scalability.
  • Contribute to Citi’s AI technology and engineering standards.

Skills

Senior Software Engineer
AI Engineer
Technical Lead
Python development
Generative AI
LLM applications
Prompt design
Production AI solutions
Software architecture
PostgreSQL / Oracle
CI/CD tooling
Kubernetes / OpenShift
Agentic AI / ADK
Distributed systems
Regulated environments
Communication with stakeholders

Tools

Kubernetes/OpenShift
PostgreSQL
Oracle
Jenkins
uDeploy
Tekton
Harness
MLflow
ADK

Job description

Citi London is seeking a Senior Software/AI Engineer to own end-to-end AI product development, from problem definition to deployment. You will build production-grade services for intelligent document processing, data extraction and workflow automation, applying Generative AI and LLMs with a focus on reliability, explainability, and auditability.

You will collaborate with Product, Risk, and Engineering teams in a fast-moving, regulated banking environment, delivering scalable, robust AI solutions

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