Holisticon Insight is a division of http://nexergroup.com focused on IoT, AI, and advanced analytics. We assist our customers in developing IoT services, portals, and mobile apps and, above all, analyze data using AI and advanced analytics to reduce costs, streamline, and find new opportunities for the business. Our goal is to grow strong but rather in competencies than in numbers. We get things done and, on the way, we build a dynamic company culture to create the best place for our development. We love the atmosphere of a family business with its flat structure and self-organized teams where every opinion matters and influences our way of working.   Check us out!👇 https://holisticon.pl/holisticon-insight/  We offer a B2B Contract  B2B: 150 – 170 PLN net/hour + VAT Currently, we are looking for a AI Solutions Engineer with strong analytical skills and a passion for emerging AI technologies to join our growing AI team. This role suits a high-potential engineer eager to apply modern machine-learning (ML) and Generative AI (GenAI) techniques—Large Language Models (LLMs), OpenAI/GPT APIs, Google Gemini, and cloud-native ML tooling—to real-world business challenges.Key Responsibilities: AI Solution Development: Translate business requirements into comprehensive AI-driven solutions, integrating software applications, data platforms, and cloud infrastructure. LLM-Based Application Development: Design and implement applications leveraging advanced Large Language Models (LLMs), focusing on use-cases like conversational AI, semantic search, Retrieval-Augmented Generation (RAG), and multi-agent systems. Proof-of-Concept Creation: Develop clear, demonstrative AI prototypes and collaborate with engineering teams to transition successful prototypes into production environments. Data Pipelines & Model Alignment: Create scalable data pipelines for efficient data processing and ingestion. Optimize model performance through methods including fine-tuning and alignment strategies tailored to specific use cases. Tooling & Platforms: Utilize modern AI/ML tools and frameworks, such as LangChain, LlamaIndex, Hugging Face, and vector databases (e.g., Pinecone, FAISS, ChromaDB). Deploy solutions on cloud environments (AWS, Azure, GCP). Documentation & Collaboration: Maintain quality code and thorough documentation while collaborating in an Agile environment using Git, Jira, and relevant MLOps tools. Continuous Learning: Remain informed on AI advancements and proactively share insights to support team expertise and innovation. You might be the perfect match if you possess the following competencies: Bachelor’s or Master’s in Data Science, Computer Science, AI/ML, Statistics, or a related technical field. Internship/project experience in data science, AI, or ML with academic or open-source portfolios. Proficient in Python, and experience using Jupyter Notebooks, Pandas, and data visualization libraries. Familiarity with cloud platforms (GCP, AWS, Azure) and data warehouses (e.g., BigQuery, Snowflake). Exposure to OpenAI APIs, Hugging Face, or Google Vertex AI is highly desirable. Understanding of key AI/ML concepts such as supervised learning, embeddings, fine-tuning, model evaluation metrics, and prompt engineering. Preferred Skills: Hands-on experience with LLMs, embedding models, or semantic search pipelines. Proficiency with LangChain, LlamaIndex, LLMOps, and RAG (Retrieval-Augmented Generation) architectures Exposure to model monitoring, data drift detection, or CI/CD in ML pipelines. Experience with APIs, microservices, and Python back-end frameworks (FastAPI, Flask). Knowledge of responsible AI principles including fairness, interpretability, and data privacy. By joining Holisticon Insight you will get: Life insurance Multisport card Fully remote job Private medical care Flexible working hours Amazing integration events on a regular basis Training budget (e.g. Microsoft Azure Certifications) Opportunity to impact our company culture build-up Work equipment (laptop, 2 monitors, and accessories)