GenAI Python Engineer — Build Production AI APIs

83zero Ltd; Manchester; Hybrid; GBP 45,000 - 55,000; Full time

Benefits offered by this job

Healthcare options

Hybrid work

Job summary

83zero Ltd is seeking hands-on Python Developers at Consultant level with practical GenAI, LLMs and RAG experience. The role focuses on writing production-grade Python code, building APIs, services and AI applications for enterprise clients in a GenAI context.

You will work across the development lifecycle, deploying solutions via AWS/Azure, Docker and Kubernetes, and you will collaborate with clients and engineers to take GenAI POCs into production, with hybrid work and UK locations including

Qualifications

• Strong commercial Python development experience.
• Experience building APIs, microservices and backend applications.
• Hands-on experience with LLMs, Generative AI and RAG.
• Experience with AI frameworks such as LangChain, LangGraph or CrewAI.
• Experience with vector databases and semantic search.
• Experience with OpenAI, Anthropic, Mistral, Llama or similar.
• Good software engineering, testing and Git practices.
• Experience with AWS or Azure, Docker and ideally Kubernetes.
• Experience with PostgreSQL, MongoDB or similar databases.
• Experience with CI/CD using GitHub, GitLab or Jenkins.
• Agile engineering experience.
• Experience with AI agents, tool calling, embeddings, prompt engineering or LLM observability is beneficial.
• React/TypeScript and Terraform/IaC experience is beneficial.
• Experience taking GenAI POCs into production is highly beneficial.

Responsibilities

• Build production applications and APIs using Python and FastAPI.
• Develop LLM, RAG and AI agent solutions.
• Build RAG pipelines covering embeddings, retrieval and generation.
• Work with OpenAI, Anthropic, Mistral, Llama or similar LLMs.
• Use LangChain, LangGraph, CrewAI or similar AI frameworks.
• Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector.
• Take GenAI POCs into production and scale them.
• Build APIs, microservices and AI integrations.
• Deploy solutions using AWS/Azure, Docker and Kubernetes.
• Write clean, testable and maintainable Python code.
• Work with PostgreSQL, MongoDB, Git and CI/CD.
• Collaborate with engineers, architects and client stakeholders.

Skills

Python

APIs

Microservices

CI/CD

Git practices

Agile

LLMs

RAG

AI frameworks

GenAI

Tools

OpenAI

Anthropic

Mistral

Llama

LangChain

LangGraph

CrewAI

Pinecone

Qdrant

ChromaDB

PGVector

AWS

Azure

Docker

Kubernetes

PostgreSQL

MongoDB

Git

CI/CD tools

Job description

83zero Ltd is seeking hands-on Python Developers at Consultant level with practical GenAI, LLMs and RAG experience. The role focuses on writing production-grade Python code, building APIs, services and AI applications for enterprise clients in a GenAI context.

You will work across the development lifecycle, deploying solutions via AWS/Azure, Docker and Kubernetes, and you will collaborate with clients and engineers to take GenAI POCs into production, with hybrid work and UK locations including