Software Engineer – AI‑Powered Full‑Stack (MERN)
X4 Technology · Dublin
Job description
About the role
We are looking for a Software Engineer to lead the end‑to‑end delivery of AI‑powered full‑stack applications. You will work closely with senior stakeholders to translate business needs into robust, production‑ready solutions.
Key responsibilities
- Design, develop and maintain scalable web applications using the MERN stack (React, Node/NestJS, MongoDB).
- Integrate AI‑driven features such as Large Language Model (LLM) solutions, Retrieval‑Augmented Generation (RAG) pipelines, and agentic AI workflows.
- Gather requirements, prototype, and deploy applications to production environments.
- Collaborate with cross‑functional and international teams to operationalise prototypes and ensure smooth production transitions.
Required profile
- Strong hands‑on experience with the MERN stack.
- Proven ability to build AI‑enabled applications using LLMs.
- Practical knowledge of RAG systems and vector‑based retrieval approaches.
- Understanding of agentic AI concepts and basic implementation of AI agents or workflows.
- Capacity to work independently, own end‑to‑end delivery and solve complex problems in a fast‑moving environment.
Required skills
- MongoDB
- Express
- NestJS
- React
- Node.js
- Large Language Models
- Retrieval‑Augmented Generation
- Vector‑based retrieval
- Agentic AI
- AI agents
What we offer
- Day rate of €300 per day
- 6‑12 month fixed‑term contract
- Hybrid work model – 3 days on‑site in Dublin
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Published 2 weeks ago
Expires 1 month from now
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X4 Technology
Dublin