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E
Ecclesiaok V.

Ecclesiaok V.

AI Trainer & Prompt Engineer

Nigeria flagN/A, Nigeria

Key Skills

Software

AWS SageMakerAWS SageMaker
AppenAppen
CloudFactoryCloudFactory
Axiom AI
Don't disclose

Top Subject Matter

LLM training
prompt engineering
and generative AI safety (Cloud, DevOps, Blockchain)

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

RLHFRLHF
Text GenerationText Generation
Entity (NER) ClassificationEntity (NER) Classification
ClassificationClassification
Object DetectionObject Detection
Text SummarizationText Summarization

Freelancer Overview

AI Trainer & Prompt Engineer at YPAI (Remote). Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal, Proprietary Tooling, and AWS SageMaker. Education includes Bachelor of Science, University of Abuja (2020). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

Domain-Specific Text Annotation & Entity Extraction (NER)

DocumentDocumentEntity (NER) ClassificationEntity (NER) Classification

Extracted and labeled key entities (such as software terms, protocols, and technical variables) from unstructured text blocks. Annotated multi-turn chat dialogues to identify breaks in logic, factual hallucinations, and formatting anomalies (e.g., faulty JSON/XML or broken Markdown blocks).

2026 - Present

Multi-Modal Content Evaluation & Safety Tagging

TextTextClassificationClassification

Evaluated text descriptions against AI-generated images and video segments to score them for semantic accuracy, spatial logic, and rendering quality. Conducted rigorous safety tagging to identify policy violations, misinformation, and sensitive/harmful content.

2026 - Present

AI Trainer & Prompt Engineer at YPAI (Remote)

TextTextRLHFRLHF

Trained and evaluated LLM outputs for factual accuracy, logical reasoning, code correctness, and adherence to system prompts across complex technical domains. Produced and curated labeled datasets by annotating and curating high-quality training examples aligned to multi-layer evaluation rubrics. Performed adversarial red-teaming to surface vulnerabilities, biases, and safety gaps in generative AI responses. • Evaluated model responses against factual, reasoning, and alignment criteria • Designed prompt-engineering workflows for model benchmarking • Annotated and labeled domain-specific training data for model improvement • Conducted adversarial testing (red teaming) for safety and robustness

2025 - Present
AWS SageMaker

Cloud & DevSecOps Engineer at EasyPoint (selected AI-environment-related duties)

AWS SageMakerAWS SageMaker

Built and validated secure cloud deployment workflows to support consistent AI training and evaluation environments for secure coding practices. Implemented automated compliance checks in the deployment lifecycle to identify security issues prior to runtime provisioning. Authored internal documentation that standardized operational processes and reduced environment inconsistencies that can affect evaluation repeatability. • Integrated automated vulnerability scanning and security assessments into CI/CD • Implemented compliance-as-code checks prior to AWS environment provisioning • Managed containerized application workflows using Docker • Produced runbooks and SOPs to standardize secure operational procedures

2023 - 2024

Blockchain Technical Writer at 5irechain (documentation-focused AI-training-adjacent content)

Don't discloseDocumentDocumentText SummarizationText Summarization

Produced and maintained technical documentation content for Web3 and DeFi protocols, transforming complex smart contract and cryptographic concepts into developer-friendly material. Collaborated with engineering teams to audit and update public knowledge bases and GitBook documentation. Authored API guides and technical whitepapers to support accurate understanding of protocol behavior and integration steps. • Developed developer docs, API guides, and technical whitepapers • Clarified smart contract logic and tokenomics for stakeholders • Updated and maintained GitBook documentation with engineering teams • Supported onboarding and integration via structured documentation deliverables

2021 - 2022

Education

U

University of Abuja

Bachelor of Science, Computer Science

Bachelor of Science
2020

Work History

E

EasyPoint

Cloud & DevSecOps Engineer

Lagos
2022 - 2024
5

5irechain

Blockchain Technical Writer

Remote
2021 - 2022