Senior Full Stack Engineer for Enterprise AI Systems

Lex; Cork; On-site; EUR 110,000 - 140,000; Full time

Job summary

Apple’s Information Systems and Technology (IS&T) organization is building enterprise and customer technology systems at scale. As a Senior Full Stack Software Engineer, you will contribute to web applications powered by Python and PHP backends, with frontends spanning React, Vue, and server-rendered templates, guiding technical direction across the stack.

You will own complex problems, drive architectural decisions, mentor peers, and collaborate with product teams to deliver reliable, scalable

Qualifications

• Deep proficiency in Python and/or PHP for backend web development, with strong API design skills.
• Strong frontend experience with JavaScript and a modern framework (React or Vue) and/or server-rendered templates
• Solid command of database design — relational and non-relational — and query optimisation, plus experience with cloud infrastructure (AWS) and deployment automation
• Demonstrated ability to lead technical design and mentor other engineers

Responsibilities

• Guide the technical direction and implementation of complex features spanning frontend interfaces (React, Vue, or server-rendered templates) and Python and PHP backend services
• Design scalable APIs, data models, and service architectures — including internal MCP servers that expose tools and data to AI systems
• Drive features through their full lifecycle: from concept and design through deployment and operational excellence
• Apply and help raise engineering best practices across the full stack — frontend architecture, API design, testing strategies, and performance
• Identify technical risks and dependencies early; develop mitigation strategies and drive resolution
• Mentor and share knowledge with colleagues across both frontend and backend disciplines
• Contribute to cross-organization initiatives, expanding your impact beyond the immediate team
• Partner with product managers and stakeholders to inform roadmap priorities and technical direction
• Lead post-incident reviews and drive improvements in reliability and operational quality
• Evaluate and integrate AI services and capabilities — such as MCP-based tooling — to enhance the user experience
• Contribute to hiring: interview candidates, calibrate the technical bar across the stack

Skills

Python

PHP

API design

JavaScript

React

Vue

Cloud AWS

Mentoring

Education

B.S. or higher in CS/Software Eng

Tools

Flask

FastAPI

Laravel

Symfony

Docker

Kubernetes

LLM APIs

RAG architectures

Job description

Apple’s Information Systems and Technology (IS&T) organization is building enterprise and customer technology systems at scale. As a Senior Full Stack Software Engineer, you will contribute to web applications powered by Python and PHP backends, with frontends spanning React, Vue, and server-rendered templates, guiding technical direction across the stack.

You will own complex problems, drive architectural decisions, mentor peers, and collaborate with product teams to deliver reliable, scalable