Nnenna Ajike

Criminology graduate with hands on experience in taxation, strong foundation in technical analysis, risk assessment and strategic decision making.

AI Trainer / LLM Evaluator - One Forma - Remote

(2023)

• Managed complex evaluation workflows for AI model outputs, prioritizing tasks and maintaining rigorous quality standards across concurrent projects.
• Coordinated structured feedback pipelines, synthesizing insights from multiple sources to deliver clear, actionable reports to project leads.
• Maintained meticulous documentation of evaluation criteria, edge cases, and model behavior patterns for knowledge-sharing across distributed teams.
• Applied strong written communication skills to craft and refine detailed prompts and policy-compliant annotations under tight deadlines.

Tax Assessment Officer/NYSC Intern - Niger State Internal Revenue Service Board

(2024 - 2025)

• Coordinated and managed a digital database of 500+ tax records, improving retrieval efficiency by 50% and reducing manual errors by 25% through process automation.
• Conducted compliance audits across 100+ businesses, identifying tax evasion cases valued at over ₦5 million and preparing detailed audit reports for senior officers.
• Drafted and issued compliance notices to 50+ defaulters, achieving an 80% voluntary settlement rate through clear written communication and follow-up coordination.
• Liaised between field officers and management to schedule site visits, consolidate findings, and ensure timely escalation of unresolved cases.

Data Annotation Specialist - Freelance - Remote

(2022 - 2025)

Delivered 2,000+ high-quality annotations across multimodal datasets with 90% QA accuracy, consistently meeting policy standards under tight turnaround windows.

• Applied structured critical thinking to complex ranking, classification, and content-moderation tasks requiring independent judgment and close reading.
• Supported supervised fine-tuning pipelines through consistent, policy-aligned labeling with minimal supervisor intervention

Proofreader - Freelance - Remote

(2020 - 2023)

• Delivered accurate transcriptions and proofreading for agencies and private clients in English and Igbo, managing multiple concurrent briefs independently.
• Maintained organized project files and client correspondence, consistently meeting turnaround deadlines for time-sensitive deliverables.

B.Sc. - Criminology and Security Studies - Federal University Ndufu-Alike Ikwo (2023)

West African Examination Certificate - Williams Memorial Secondary School, Afugiri, Abia State (2017)