Senior Gen AI Developer

Stelfox Limited; Dublin; Hybrid; EUR 90,000 - 120,000; Part time

Job summary

Stelfox Limited in Dublin is seeking an experienced Senior Gen AI Developer to join a high-performing team delivering enterprise-grade Generative AI solutions across web, API, and data layers. This contract role is hybrid with 3 days onsite and a 6-month rolling arrangement.

You will design, develop, and support GenAI applications, work with Python, LLMs, REST APIs, and data pipelines, and contribute to secure, scalable architectures.

Qualifications

• 6+ years of software engineering experience.
• Strong Python development skills.
• Experience building Generative AI, LLM, or AI-powered applications.
• React or Angular development experience.
• Node.js and Express expertise.
• Strong API design and integration experience.
• SQL and PL/SQL development skills.
• Experience with data engineering, ETL pipelines, and data integration.
• OAuth2 and application security knowledge.
• Experience working in Agile development environments.

Responsibilities

• Design, develop, and support enterprise Generative AI applications spanning web, API, backend, data, and database layers.
• Develop AI-powered capabilities using Python and modern AI/ML libraries while integrating with Large Language Models (LLMs) and external AI services.
• Create effective prompts, AI workflows, and model integrations to deliver accurate, scalable, and business-focused GenAI solutions.
• Build and maintain modern web applications using Angular or React, along with backend services using Node.js and Express.
• Design and implement RESTful APIs following HTTP standards, security best practices, and scalable architecture patterns.
• Develop and optimize SQL and PL/SQL database components, queries, stored procedures, and data access layers.
• Design, implement, and support ETL processes, data integration pipelines, and data engineering solutions to enable analytics and AI-driven capabilities.
• Implement secure authentication and authorization solutions using OAuth2 and related security protocols.
• Utilize Redis and other performance optimization techniques to improve application scalability and responsiveness

Skills

Python development

Generative AI / LLM

React/Angular

Node.js/Express

API design & integration

SQL/PLSQL

Data integration/ETL

OAuth2 security

Agile methodologies

6+ years experience

Job description

Senior Gen AI Developer – Contract Role

Dublin | Hybrid (3 Days Onsite)

6-Month Rolling Contract | Long-Term Opportunity

Stelfox is looking for an experienced Senior Gen AI Developer to join a high-performing team delivering cutting-edge Generative AI solutions across enterprise-scale platforms. This is an excellent opportunity for a hands-on engineer who enjoys designing, developing, and supporting enterprise AI applications spanning web, API, backend, data, and database layers.

Responsibilities:

• Design, develop, and support enterprise Generative AI applications spanning web, API, backend, data, and database layers.
• Develop AI-powered capabilities using Python and modern AI/ML libraries while integrating with Large Language Models (LLMs) and external AI services.
• Create effective prompts, AI workflows, and model integrations to deliver accurate, scalable, and business-focused GenAI solutions.
• Build and maintain modern web applications using Angular or React, along with backend services using Node.js and Express.
• Design and implement RESTful APIs following HTTP standards, security best practices, and scalable architecture patterns.
• Develop and optimize SQL and PL/SQL database components, queries, stored procedures, and data access layers.
• Design, implement, and support ETL processes, data integration pipelines, and data engineering solutions to enable analytics and AI-driven capabilities.
• Implement secure authentication and authorization solutions using OAuth2 and related security protocols.
• Utilize Redis and other performance optimization techniques to improve application scalability and responsiveness

Required Skills:

• 6+ years of software engineering experience
• Strong Python development skills
• Experience building Generative AI, LLM, or AI-powered applications
• React or Angular development experience
• Node.js and Express expertise
• Strong API design and integration experience
• SQL and PL/SQL development skills
• Experience with data engineering, ETL pipelines, and data integration
• OAuth2 and application security knowledge
• Experience working in Agile development environments

Please note:

We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions.

Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: https://www.stelfox.com/privacy-policy-gdpr/

Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent.

We look forward to working with you.