Artificial Intelligence Engineer

Optimis Tech; Deutschland; A distancia; EUR 111.000 - 221.000; Jornada completa

Descripción de la vacante

Optimis Tech is seeking a Freelance AI Engineer in Germany to design, develop, and deploy Generative AI and LLM-based solutions. The role emphasizes RAG architectures, AI agents, and scalable Python applications within enterprise environments.

Applicants should have 5+ years in software engineering, hands-on Generative AI, and fluency in German and English. Fully remote within Germany with a 6–12 month engagement and possibility of extension.

Formación

• 5+ years of professional software engineering experience.

Responsabilidades

• Design, develop and implement Generative AI and LLM-based solutions.
• Build and optimise Retrieval-Augmented Generation (RAG) architectures.
• Develop AI agents and agentic workflows.
• Build scalable AI applications using Python and relevant frameworks.
• Integrate AI solutions with existing enterprise systems, APIs and platforms.
• Collaborate with software engineers, architects, data specialists and business stakeholders.
• Contribute to the deployment, monitoring and optimisation of AI solutions.

Conocimientos

Generative AI

LLMs

Machine Learning

RAG architectures

LangChain

LlamaIndex

Azure AWS GCP

German language

English language

Herramientas

LangChain

LlamaIndex

Azure

AWS

GCP

Descripción del empleo

Location: Germany (Fully Remote)

Engagement: Freelance Contract

Languages: German and English

Duration: 6–12 months, with potential extension

About the Opportunity

We are supporting an established international System Integrator in the search for an experienced Freelance AI Engineer to support ongoing and upcoming enterprise AI initiatives.

The successful candidate will work on the design, development and implementation of AI-driven solutions, collaborating with technical teams and stakeholders to deliver scalable, production-ready applications.

This is an excellent opportunity for an experienced freelance professional looking to contribute to challenging enterprise projects within an established technology environment.

Key Responsibilities

• Design, develop and implement Generative AI and LLM-based solutions.
• Build and optimise Retrieval-Augmented Generation (RAG) architectures.
• Develop AI agents and agentic workflows.
• Build scalable AI applications using Python and relevant frameworks.
• Integrate AI solutions with existing enterprise systems, APIs and platforms.
• Collaborate with software engineers, architects, data specialists and business stakeholders.
• Contribute to the deployment, monitoring and optimisation of AI solutions.

Required Experience

• 5+ years of professional software engineering experience.
• Hands-on experience with Generative AI, LLMs and Machine Learning.
• Experience implementing RAG solutions and AI-powered applications.
• Knowledge of frameworks such as LangChain, LlamaIndex or similar.
• Experience with cloud platforms, ideally Microsoft Azure, AWS or GCP.
• Previous experience delivering projects within enterprise environments.
• Experience working with System Integrators, IT consultancies or large enterprise organisations.
• Fluent German and good professional English.
• Fully remote within Germany.
• Initial 6–12-month engagement, with potential extension.
• Competitive daily rate, dependent on experience.

Interested? Contact [e-mail] to learn more about this fantastic opportunity!