Nikola Bisercic Email & Phone Number

Belgrade, RS

Belgrade, Serbia

• Architected and implemented a cutting-edge RAG (Retrieval-Augmented Generation) system leveraging multi-layered retrieval, hybrid vector (KNN) - keyword (BM25) search, and dynamic reranking, resulting in a significant.
• Implemented industry-leading AI guardrails, enhancing safety, privacy, and truthfulness in LLM applications.
• Customized and applied multi-layered protection policies, including PII redaction, topic blocking, and contextual grounding checks while reducing hallucinated responses.
• Designed and implemented an explainable multi-tenant ML-based solution for Purchase Requisition and Invoice approvals, significantly enhanced approval accuracy but more importantly processing speed, while ensuring.
• Implemented a multi-lingual, multi-modal contract alternative wording generator using fine-tuned LLMs, reducing contract negotiation cycles and improving clarity in business agreements.
• Contributed AI expertise to strategic initiatives in source-to-pay (S2P), contract lifecycle management (CLM), and supplier management, collaborating with management leadership and product teams to develop and.

Belgrade, Serbia

• Spearheaded the development of an NLP-driven Contract Analysis Suite, integrating OCR and Named Entity Recognition for multi-lingual legal documents, enhancing contract review efficiency for some of the major Fortune.
• Engineered an AI-powered Supplier Recommendation System using collaborative filtering and content-based algorithms.
• Developed a context-aware Conversational AI system with PDF (and other doc type) parsing capabilities, enabling automated responses to complex procurement queries.
• Refactored and implemented an innovative smart search functionality using vector embeddings and semantic similarity, enhancing procurement catalog exploration

Belgrade, Serbia

• Co-founded LawMind, an LLM-driven legal assistant platform revolutionizing law firm operations. System features: email assistant, intelligent document analysis with inline citations. Multi-document research.
• Engage actively with potential clients, understanding their unique requirements, and transforming these insights into functional AI-driven solutions that streamline their legal operations.
• Development of advanced AI models, with an emphasis on Natural Language Processing (NLP) and Language Models (LLMs), driving the optimization of legal processes.
• Developing AI agents capable of using internal tools, including APIs, and adapted to legal domains.

Belgrade, Serbia

• Automated various routine processes, significantly increasing operational productivity and reducing manual intervention.
• Data management and manipulation within SAGE (Salesforce software), streamlining data structures for improved functionality.
• Managed and curated the database, employing advanced analytics to prepare detailed reports on company activities and board report statistics on an as-needed basis.

Wyoming, United States

• Established and nurtured supplier relationships, ensuring a continuous supply of quality products for our store.
• Leveraged data analytics to drive strategic decisions in marketing and product offerings, optimizing business outcomes based on in-depth analysis.
• Utilized Python for web scraping and processing large datasets, transforming raw data into actionable insights and applied these insights to guide the business towards higher profitability and performance.

Bachelor'S Degree, Business Economics

Master'S Degree, Data Science