Senior Full Stack & AI Automation Engineer

Salt Digital Recruitment; Greater London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A digital recruitment agency in London seeks a Senior Full Stack & AI Automation Engineer for a 1-year contract. The role requires extensive experience in Python and React, focusing on developing automation solutions and AI/ML systems. You'll collaborate across teams in an Agile environment, mentoring and leading project initiatives. The position offers a competitive rate of £500 – £530 per day with three days onsite in London.

Qualifications

• 10+ years in building operational support systems and automation in Python.
• Proven leadership in code reviews and mentoring.
• Hands-on experience with Selenium and iOS functional automation.

Responsibilities

• Designing and developing automation solutions aligned with product requirements.
• Building AI/ML systems and developing both front-end and back-end features.
• Implementing CI/CD pipelines, ensuring high-quality releases.

Skills

Python

React

AI/ML expertise

Selenium

Postgres

CI/CD (Jenkins)

Tools

Git

Charles Proxy

Job description

Overview

Senior Full Stack & AI Automation Engineer – London

Rate: £500 – £530 per day

Duration: 1 year contract

3 days onsite per week in London office (Battersea)

As a key member of the Automation Team, you’ll design and build next-generation automation platforms, blending Python, React, Postgres, and modern DevOps practices with cutting-edge AI/ML techniques such as RAG, vector databases, and multi-agent systems.

You’ll work across the full software lifecycle: from system design and test automation, to deployment and performance monitoring, collaborating with some of the brightest minds in the industry.

What You’ll Work On

• Designing and developing automation solutions aligned with Apple’s product requirements.
• Building agentic AI/ML systems (MCP servers/clients, RAG pipelines, vector DBs).
• Developing both front-end (React, JS) and back-end (Python, APIs, Postgres) features.
• Driving test automation with Selenium and iOS functional frameworks.
• Implementing CI/CD pipelines (Jenkins), ensuring high-quality releases.
• Partnering with cross-functional teams, reporting on sprint progress, and demoing new features.

What We’re Looking For

• 10+ years building operational support systems and automation in Python.
• Proven leadership in code reviews and mentoring.
• Hands-on experience with Selenium and iOS functional automation.
• Strong React/JavaScript UI development background.
• Back-end engineering with Python + Postgres.
• AI/ML expertise in LLMs, embeddings, and RAG systems.
• Experience with ETL pipelines, vector databases, and modern DevOps (Jenkins).

Bonus points

• Multi-agent system design.
• Graph database experience.
• Familiarity with Charles Proxy, Git, Jenkins.

Role Details

Location: London (3 days onsite per week)

Engagement: Contract – Inside IR35

Environment: Agile/Scrum, cross-functional, highly collaborative