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# Senior Python Backend Engineer (AI & Generative AI)

- **Company:** Templeton and Partners Ltd
- **Location:** Sheffield, UK
- **Experience:** Expert
- **Salary:** £104,000.0 - £130,000.0
- **Contract:** Temporary contract
- **Skills:** JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Software Applications, User Authentication, Microsoft Azure, Cloud Computing, Encodings, Continuous Integration, Software Debugging, Software Design Patterns, DevOps, Django Web Framework, Amazon DynamoDB, Github, Monitoring of Systems, Python (Programming Language), Key Management, PostgreSQL, Microsoft SQL Server, MongoDB, MySQL, NoSQL, Object-Oriented Software Development, Query Optimization, OpenAI, Prometheus, Software Safety, Secure Coding, Software Engineering, SQL Databases, TypeScript, Datadog, Pinecone, ReactJS, Retrieval-Augmented Generation, Flask (Web Framework), Large Language Models, Grafana, Prompt Engineering, Model Validation, Generative AI, Backend, Agentic-AI, Git, Fastapi, Pytest, Containerization, Gitlab-ci, Solid Principles, Kubernetes, Cassandra, Weaviate, FAISS, Claude, Google Gemini, Restful APIs, Splunk, Software Version Control, Docker, Elk Stack, Jenkins, ChromaDB
- **Published:** October 24, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-EFDA7E2DFB3FB15B53/

## About the Role

Required Skills & Experience Backend Development

 * Strong Python development experience
 * Experience building Backend Services and REST APIs
 * Hands-on experience with FastAPI, Flask, or Django
 * Strong understanding of Object-Oriented Programming (OOP)
 * Software design principles and design patterns
 * Testing frameworks (PyTest), debugging, and Git source control
 * AI Engineering & Generative AI
 * Experience building AI-powered applications
 * Hands-on experience with LLM APIs:
 * OpenAI
 * Azure OpenAI
 * Claude
 * Gemini

Strong understanding of:

 * Retrieval Augmented Generation (RAG)
 * Embeddings
 * Vector Databases (Pinecone, Chroma, FAISS, Weaviate)
 * Prompt Engineering
 * Agentic Workflows
 * Model Evaluation
 * AI Safety, Governance & Guardrails

## Description

* Design, develop, and maintain robust Back End services and REST APIs using Python.
 * Build scalable AI-powered applications leveraging Large Language Models (LLMs).
 * Develop and optimise Retrieval Augmented Generation (RAG) solutions.
 * Integrate and work with leading LLM platforms including OpenAI, Azure OpenAI, Claude and Gemini.
 * Implement vector database solutions and embedding frameworks.
 * Collaborate with cross-functional teams to deliver secure, high-quality software products.
 * Drive best practices in software engineering, testing, deployment, and observability., * SQL Databases
 * PostgreSQL
 * MySQL
 * SQL Server

NoSQL Databases

 * MongoDB
 * Cassandra
 * DynamoDB
 * Data modelling and query optimisation

Cloud & DevOps

 * AWS, Azure or GCP
 * Docker and containerisation
 * Kubernetes (preferred)
 * CI/CD Pipelines
 * GitHub Actions
 * Jenkins
 * Azure DevOps
 * GitLab CI

Security

 * Auth & JWT Authentication
 * Secrets Management
 * Secure Coding Practices
 * Data Protection and Access Controls

Nice to Have

 * React, TypeScript, JavaScript
 * Full-Stack Development Experience

Monitoring & Observability Tools:

 * Prometheus
 * Grafana
 * ELK Stack
 * Datadog
 * Splunk
 * Experience within Banking, Financial Services, or other regulated environments

Essential Technologies

Python | Django | Flask | Docker | CI/CD Architecture | Cloud-Native Development | Generative AI | LLMs | RAG | FastAPI

Interested?

If you're an experienced Python Backend Engineer looking to work on cutting-edge AI and Generative AI initiatives, we'd love to hear from you.