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Dion Efuetngong

Dion Efuetngong

AI Solutions Consultant (RAG Document Pipeline) — BCG

France flagRemote (Lille), France
Expert

Key Skills

Software

No software listed

Top Subject Matter

Financial Data
Audit Automation
Marketing Analytics

Top Data Types

DocumentDocument
TextText

Top Task Types

Question AnsweringQuestion Answering
ClassificationClassification
Text GenerationText Generation

Freelancer Overview

AI Solutions Consultant (RAG Document Pipeline) — BCG. Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, HarvardX (2023). AI-training focus includes data types such as Document and Text and labeling workflows including Question Answering, Classification, and Text Generation.

Expert

Labeling Experience

AI Solutions Consultant (RAG Document Pipeline) — BCG

DocumentQuestion Answering
Developed and maintained a semantic retrieval-augmented generation (RAG) system for parsing and extracting structured information from unstructured financial documents. Applied confidence scoring and hallucination detection to ensure the factual accuracy of machine-extracted insights from lengthy 10-K/10-Q filings. Produced detailed technical documentation and operator playbooks to support ongoing consultant data interaction and validation. • Utilized OpenAI APIs and internal data pipelines for annotation and review • Handled citation tracking on financial reports • Optimized multi-stage extraction for 95%+ factual accuracy • Delivered production-ready tool to consulting team

Developed and maintained a semantic retrieval-augmented generation (RAG) system for parsing and extracting structured information from unstructured financial documents. Applied confidence scoring and hallucination detection to ensure the factual accuracy of machine-extracted insights from lengthy 10-K/10-Q filings. Produced detailed technical documentation and operator playbooks to support ongoing consultant data interaction and validation. • Utilized OpenAI APIs and internal data pipelines for annotation and review • Handled citation tracking on financial reports • Optimized multi-stage extraction for 95%+ factual accuracy • Delivered production-ready tool to consulting team

2025 - 2025

Full-Stack AI Engineer (Audit Automation Platform) — Andzen

DocumentClassification
Implemented a multi-tenant SaaS audit pipeline for high-volume marketing data, automating audit interpretation and generating classified reports for client-driven workflows. Designed an AI-powered segmentation analysis engine to automate audit writing, labeling, and insight generation. Authored playbooks and documentation empowering non-technical operators to oversee and validate automated analysis. • Integrated 15+ marketing and analytics APIs for data enrichment • Built automated compliance checks and segmentation labels • Processed and classified 100+ client audits monthly • Enabled 10x throughput and reduced audit time to 30 minutes per report

Implemented a multi-tenant SaaS audit pipeline for high-volume marketing data, automating audit interpretation and generating classified reports for client-driven workflows. Designed an AI-powered segmentation analysis engine to automate audit writing, labeling, and insight generation. Authored playbooks and documentation empowering non-technical operators to oversee and validate automated analysis. • Integrated 15+ marketing and analytics APIs for data enrichment • Built automated compliance checks and segmentation labels • Processed and classified 100+ client audits monthly • Enabled 10x throughput and reduced audit time to 30 minutes per report

2024 - 2025

Data & Automation Engineer (Data Pipeline Automation) — Datacom

DocumentClassification
Automated end-to-end ETL workflows for payroll and invoicing, implementing multi-layer data validation to label anomalous data and reduce reconciliation errors. Designed dashboards to surface quality insights and automated alerting for incorrect or missing information. Ensured labeled data consistency and accuracy before final report generation. • Automated labeling and error detection on finance records • Improved billing accuracy by 95% via data validation • Deployed to reclaim 60+ manual hours per month • Enabled immediate operational visibility for QA teams

Automated end-to-end ETL workflows for payroll and invoicing, implementing multi-layer data validation to label anomalous data and reduce reconciliation errors. Designed dashboards to surface quality insights and automated alerting for incorrect or missing information. Ensured labeled data consistency and accuracy before final report generation. • Automated labeling and error detection on finance records • Improved billing accuracy by 95% via data validation • Deployed to reclaim 60+ manual hours per month • Enabled immediate operational visibility for QA teams

2024 - 2024

Technical Operations Lead — Algorithmics Global (AI Chatbot & Enrollment)

TextText Generation
Designed and trained an AI chatbot for global EdTech operations, enabling automated text responses and structured knowledge delivery to prospective clients. Automated labeling of customer interactions and enrollment workflows to fine-tune conversational model outputs. Coordinated between business and engineering to generate and validate labeled training examples at scale. • Reduced response times by 50% using AI-generated replies • Increased enrollment registrations by 30% post-deployment • Managed labeling pipeline across 110 countries • Created training/evaluation datasets for ongoing model improvement

Designed and trained an AI chatbot for global EdTech operations, enabling automated text responses and structured knowledge delivery to prospective clients. Automated labeling of customer interactions and enrollment workflows to fine-tune conversational model outputs. Coordinated between business and engineering to generate and validate labeled training examples at scale. • Reduced response times by 50% using AI-generated replies • Increased enrollment registrations by 30% post-deployment • Managed labeling pipeline across 110 countries • Created training/evaluation datasets for ongoing model improvement

2022 - 2024

Education

H

HarvardX

Bachelor of Science, Computer Science and Artificial Intelligence

Bachelor of Science
2023 - 2023

Work History

B

Boston Consulting Group

AI Solutions Consultant

Remote (Lille)
2025 - 2025
A

Andzen

Full-Stack AI Engineer

Remote (Lille)
2024 - 2025