Senior Platform Engineer — AI Platform & DevEx

GCS Recruitment; Cork; On-site; EUR 90,000 - 130,000; Full time

Job summary

GCS Recruitment in Cork, Ireland, is seeking a Senior Platform Engineer to own and evolve our internal AI platform. You will shape core services, tooling, and the developer experience, partnering with teams adopting the platform.

You will lead the long-term technical direction, implement platform patterns, and manage the AI lifecycle from PoC to production while driving reliability and scalability across teams.

Qualifications

• Bachelor's degree in CS, engineering or related field.
• 5+ years of professional software engineering experience.
• Strong Python expertise (OOP, typing, async, Pydantic).
• Experience building REST APIs using FastAPI or Flask.
• Hands-on CI/CD, DevOps practices, and Git branching strategies.
• Experience with cloud platforms (Azure preferred; AWS/GCP acceptable).
• Working knowledge of Docker, Kubernetes, SQL/NoSQL, microservices.
• Strong testing discipline (PyTest, automated tests).
• Excellent communication and ability to influence across teams.
• Strong understanding of Agile delivery frameworks.

Responsibilities

• Design, build, and evolve core platform services, frameworks, and APIs.
• Own the long-term technical direction of the platform balancing delivery and extensibility.
• Define architectural patterns, reference implementations, and golden paths.
• Manage the full AI lifecycle from PoC to production—prompting, context, tooling, CI/CD.
• Improve end-to-end developer experience for product teams using the platform.
• Build and maintain tooling, templates, libraries, and automation to reduce onboarding time.
• Act as internal technical consultant to teams adopting the platform.
• Build platform-level support for Generative AI and Agentic AI with safe patterns.
• Architect and implement solutions using Python (FastAPI/Flask) and async programming.
• Deploy and operate containerised, cloud-native solutions; CI/CD (Azure/GitHub/ArgoCD).
• Conduct code reviews, mentor engineers, and influence engineering standards.

Skills

Python

REST APIs

CI/CD

DevOps

Agile

Education

Bachelor's degree in computer science or related field

Tools

FastAPI

Flask

Docker

Kubernetes

Azure DevOps

GitHub Actions

ArgoCD

Pydantic

PyTest

Job description

GCS Recruitment in Cork, Ireland, is seeking a Senior Platform Engineer to own and evolve our internal AI platform. You will shape core services, tooling, and the developer experience, partnering with teams adopting the platform.

You will lead the long-term technical direction, implement platform patterns, and manage the AI lifecycle from PoC to production while driving reliability and scalability across teams.