Principal Fullstack AI/ML Consultant (Kraków, PL, 30-302)

GFT Technologies SE; Polska; Hybrid; PLN 215,000 - 358,000; Full time

Job summary

GFT Technologies SE is seeking an experienced AI/ML engineer to lead end-to-end AI initiatives. You will architect, develop and deploy AI products, collaborating with stakeholders to deliver scalable, secure enterprise AI solutions.

The role emphasizes MLOps, cloud-native architectures and production-grade engineering. You will work in a hybrid setup, contributing to multi-cloud environments and leveraging state-of-the-art LLMs.

Qualifications

• 7+ years of software engineering experience with 3+ years delivering production-grade AI/ML solutions.
• Experience delivering end-to-end AI systems from concept through production deployment.
• Hands-on experience building conversational AI, chatbots, assistants or agent-based solutions.
• Expert-level Python development skills and software engineering best practices.
• Knowledge of software design patterns, automated testing and microservices architectures.
• Hands-on experience with Docker, Kubernetes and deployment automation.
• Experience with cloud platforms such as Microsoft Azure, AWS or GCP.
• Practical knowledge of enterprise LLMs including GPT, Claude, Gemini, Llama or Mistral.
• Hands-on experience with prompt engineering, function calling, structured outputs and workflow orchestration.
• Experience building agent-based systems, tool integrations and human-in-the-loop workflows.
• Knowledge of LangGraph, LangChain or Google ADK.
• Experience with PyTorch, TensorFlow or Scikit-learn.
• Experience with MLflow, Kubeflow or cloud-native MLOps platforms.
• Knowledge of monitoring, observability, model governance and performance optimization.
• Openness to work hybrid from our client's office (Kraków) 8 days a month.

Responsibilities

• Deliver end-to-end AI/ML solutions from architecture and development through deployment and production support.
• Collaborate with business stakeholders to translate requirements into scalable AI solutions.
• Develop AI assistants, chatbots, agent-based workflows and RAG-based applications.
• Design scalable cloud, data and AI architectures for enterprise use.
• Develop frontend and backend services, APIs and enterprise integrations.
• Implement MLOps and LLMOps processes including monitoring, evaluation and governance.
• Build and maintain AI deployment pipelines and automation frameworks.
• Provide post-production support and continuous optimization of live solutions.
• Ensure security, reliability, performance and compliance across AI platforms.

Skills

Senior experience

AI/ML delivery

End-to-end AI systems

Python development

Software design patterns

Docker/Kubernetes

Cloud platforms

LLMs knowledge

Prompt engineering

Workflow orchestration

Agent-based systems

LangChain/LangGraph

PyTorch/TF/Scikit-learn

MLflow/Kubeflow

Monitoring & governance

Hybrid work readiness

Tools

Docker

Kubernetes

Azure/AWS/GCP

PyTorch

TensorFlow

Scikit-learn

MLflow

Kubeflow

LangGraph/LangChain

Job description

Type of contract: B2B contract

Salary range: 200-260 PLN/H

What will you do?

Join a team delivering enterprise-grade AI and machine learning solutions for global organizations. You will be responsible for the end-to-end delivery of AI products, from architecture and development through deployment and production support. Working closely with business stakeholders, you will build scalable, secure, and compliant AI applications, conversational assistants, agent-based systems, and cloud-native platforms that create measurable business value.

Your tasks

• Collaborate with business stakeholders and translate requirements into scalable AI solutions
• Design, build and deliver production-grade AI and machine learning systems
• Develop AI assistants, chatbots, agentic workflows and RAG-based applications
• Design scalable cloud, data and AI architectures
• Develop frontend and backend services, APIs and enterprise integrations
• Implement MLOps and LLMOps processes including monitoring, evaluation and governance
• Build and maintain AI deployment pipelines and automation frameworks
• Provide post-production support and continuous optimization of live solutions
• Ensure security, reliability, performance and compliance across AI platforms

Requirements

• 7+ years of software engineering experience with 3+ years delivering production-grade AI or machine learning solutions
• Experience delivering end-to-end AI systems from concept through production deployment
• Hands-on experience building conversational AI, chatbots, assistants or agent-based solutions
• Expert-level Python development skills and software engineering best practices
• Knowledge of software design patterns, automated testing and microservices architectures
• Hands-on experience with Docker, Kubernetes and deployment automation
• Experience with cloud platforms such as Microsoft Azure, AWS or GCP
• Practical knowledge of enterprise LLMs including GPT, Claude, Gemini, Llama or Mistral
• Hands-on experience with prompt engineering, function calling, structured outputs and workflow orchestration
• Experience building agent-based systems, tool integrations and human-in-the-loop workflows
• Knowledge of LangGraph, LangChain or Google ADK
• Experience with traditional machine learning techniques and model evaluation
• Hands-on experience with PyTorch, TensorFlow or Scikit-learn
• Experience with MLflow, Kubeflow or cloud-native MLOps platforms
• Knowledge of monitoring, observability, model governance and performance optimization
• Openness to work hybrid from our client's office (Kraków) 8 days a month

Nice to have

• Experience with LlamaIndex, Semantic Kernel, AutoGen or CrewAI
• Experience with large-scale enterprise AI transformation programs
• Knowledge of model explainability and responsible AI practices
• Experience with cost optimization and AI platform governance
• Exposure to multi-agent architectures and autonomous task execution