About Onwelo
Onwelo is a technology partner delivering end-to-end services — from strategy and architecture, through implementation, to maintenance — in digital transformation, data and automation. The team numbers over 400 specialists with strong senior-level competencies, with 300+ completed projects for large organizations in Poland, Europe and the USA. Onwelo operates from several Polish cities as well as offices in Germany, Switzerland and the USA, combining local presence with global reach.
About the project
We are looking for an AI specialist with experience working with large language models (LLM) to co-create and implement innovative solutions automating the analysis, classification and processing of business texts and documents. The projects also use Retrieval-Augmented Generation (RAG) architectures, so we are looking for someone who knows and understands this approach.
Your tasks
•Designing, developing and implementing LLM-based solutions for automatic analysis and knowledge extraction from documents (contracts, regulations, reports, email correspondence)
•Creating workflows and prompts for generative models and evaluating and optimizing them
•Building pipelines for processing large volumes of data, including using OCR and NLP tools
•Integrating LLM models with information retrieval systems and knowledge bases (RAG) using tools such as LangChain, LlamaIndex, Elasticsearch, Pinecone or other vector-based solutions
•Ensuring high quality of model responses, continuous evaluation of results and collaboration with subject-matter experts
•Monitoring the performance, stability and costs of deployed AI solutions
•Working in line with best practices for data security, including GDPR requirements
•Collaborating with business and technical teams at every stage of AI project delivery
Who we are looking for
•You have practical experience working with LLM models (e.g. GPT-4, Llama, Claude, Gemini or open-source models)
•You know Python, HuggingFace, LangChain or LlamaIndex, REST API and cloud solutions (Azure, AWS or GCP)
•You work with documents – you can clean, classify, extract key data from them and automate their processing
•You have knowledge of prompt engineering, model tuning and quality evaluation
•You know Retrieval-Augmented Generation (RAG) and can integrate LLM with vector knowledge bases (Pinecone, Elasticsearch, FAISS, Milvus, Qdrant)
•You can translate business needs into concrete AI solutions and collaborate effectively with various departments
What we offer
•Flexible hours and the possibility of remote work
•Participation in interesting projects for global clients
•As much as 80% of promotions in our company happen internally
•90% of management staff have a technical education
•Access to internal training and development paths
•Participation in team events, company meetings and Town Halls
•Support in building a professional image (personal branding)
•Access to life insurance and private medical care for yourself and your family
•MultiSport card, supporting health and fitness
