Nwachukwu Israel Nnamdi

Owerri, Nigerianwachukwuisrael040@gmail.com +234 903 427 3344

Detail-oriented AI Data Specialist and Web3 Community Manager/Moderator with hands-on experience in LLM evaluation, prompt testing, human-in-the-loop review, and community engagement across Discord and Telegram. Skilled in rating and ranking AI-generated responses for accuracy and alignment, fact-checking content for quality assurance, and growing and moderating Web3 testnet communities through AMAs, quest campaigns, and consistent engagement.

Seeking remote opportunities in AI evaluation, data annotation, or Web3 community operations.

Experience

AI Data Specialist / LLM Evaluator (Freelance)

Outlier, Appen, Remotasks, DataAnnotation, Alignerr

Remote

Feb 2026 — Present

Improved flagged-output accuracy by 15%, as measured by post-review QA audits, by rating and ranking LLM responses against structured evaluation rubrics across 500+ tasks.
Reduced hallucinated or factually incorrect responses reaching final review by 20%, as measured by editor-flagged error rates, by conducting systematic fact-checking and content audits across ChatGPT, Claude, Gemini, DeepSeek, and Perplexity outputs.
Strengthened model alignment with user intent across 10+ prompt categories, as measured by reviewer coherence scores, by testing and iterating prompts across five evaluation platforms to surface edge cases and ambiguous instructions.
Maintained 95% inter-annotator agreement on quality-assurance scoring, as measured by platform consistency metrics, by applying human-in-the-loop review standards consistently across multiple concurrent annotation projects.

Web3 Community Manager/Moderator (Independent)

Aptos, Arbitrum, and zkSync Ecosystems

Remote

Ongoing

Grew community engagement across Discord and Telegram channels by 18%, as measured by active daily participant counts, by moderating discussions, hosting AMAs, and producing original content for Aptos, Arbitrum, and zkSync testnet communities.
Expanded testnet community participation to 600+ members, as measured by cumulative member growth, by running Zealy and Galxe quest campaigns and coordinating engagement initiatives across three blockchain ecosystems.
Resolved 30+ moderation flags and member inquiries weekly, as measured by a sub-24-hour response time, by enforcing community guidelines and de-escalating disputes within testnet servers.
Earned an estimated $400 in cumulative ecosystem incentives by sustaining consistent participation, moderation, and content creation across Aptos, Arbitrum, and zkSync.

Education

Federal University of Technology, Owerri (FUTO), Nigeria

B.Tech

2017 — 2024

Skills

AI EvaluationLLM response rating and rankingRLHF feedback generationsearch result evaluationPrompt EngineeringPrompt testing and refinementData & AnnotationData labelinghuman-in-the-loop reviewinter-annotator quality assuranceResearchFact-checkinghallucination/error flaggingcontent assessmentWeb3 CommunityDiscord & Telegram moderationAMA hostingZealy/Galxe quest campaignstestnet participationPythonMicrosoft OfficeChatGPTClaudeGeminiDeepSeekPerplexityEnglish

CORE COMPETENCIES

AI Evaluation

LLM response rating and ranking, RLHF feedback generation, search result evaluation

Prompt Engineering

Prompt testing and refinement across multiple AI models

Data & Annotation

Data labeling, human-in-the-loop review, inter-annotator quality assurance

Research

Fact-checking, hallucination/error flagging, content assessment

Web3 Community

Discord & Telegram moderation, AMA hosting, Zealy/Galxe quest campaigns, testnet participation

Technical

Python (Intermediate), Microsoft Office, ChatGPT, Claude, Gemini, DeepSeek, Perplexity

TOOLS & PLATFORMS

AI/Evaluation

ChatGPT, Claude, Gemini, DeepSeek, Perplexity, Outlier, Appen, Remotasks, DataAnnotation, Alignerr

Web3

Discord, Telegram, Zealy, Galxe

Other

Python (Intermediate), Microsoft Office Suite

LANGUAGES & AVAILABILITY

English

Fluent

Availability

Available for full-time or part-time remote roles, immediate start

Time Zone

WAT (UTC+1)

✦Made with CVin.Bio

Nwachukwu Israel Nnamdi

Seeking remote opportunities in AI evaluation, data annotation, or Web3 community operations.

Experience

AI Data Specialist / LLM Evaluator (Freelance)

Outlier, Appen, Remotasks, DataAnnotation, Alignerr

Remote

Feb 2026 — Present

Improved flagged-output accuracy by 15%, as measured by post-review QA audits, by rating and ranking LLM responses against structured evaluation rubrics across 500+ tasks.
Reduced hallucinated or factually incorrect responses reaching final review by 20%, as measured by editor-flagged error rates, by conducting systematic fact-checking and content audits across ChatGPT, Claude, Gemini, DeepSeek, and Perplexity outputs.
Strengthened model alignment with user intent across 10+ prompt categories, as measured by reviewer coherence scores, by testing and iterating prompts across five evaluation platforms to surface edge cases and ambiguous instructions.
Maintained 95% inter-annotator agreement on quality-assurance scoring, as measured by platform consistency metrics, by applying human-in-the-loop review standards consistently across multiple concurrent annotation projects.

Web3 Community Manager/Moderator (Independent)

Aptos, Arbitrum, and zkSync Ecosystems

Remote

Ongoing

Grew community engagement across Discord and Telegram channels by 18%, as measured by active daily participant counts, by moderating discussions, hosting AMAs, and producing original content for Aptos, Arbitrum, and zkSync testnet communities.
Expanded testnet community participation to 600+ members, as measured by cumulative member growth, by running Zealy and Galxe quest campaigns and coordinating engagement initiatives across three blockchain ecosystems.
Resolved 30+ moderation flags and member inquiries weekly, as measured by a sub-24-hour response time, by enforcing community guidelines and de-escalating disputes within testnet servers.
Earned an estimated $400 in cumulative ecosystem incentives by sustaining consistent participation, moderation, and content creation across Aptos, Arbitrum, and zkSync.

Skills

CORE COMPETENCIES

AI Evaluation

LLM response rating and ranking, RLHF feedback generation, search result evaluation

Prompt Engineering

Prompt testing and refinement across multiple AI models

Data & Annotation

Data labeling, human-in-the-loop review, inter-annotator quality assurance

Research

Fact-checking, hallucination/error flagging, content assessment

Web3 Community

Discord & Telegram moderation, AMA hosting, Zealy/Galxe quest campaigns, testnet participation

Technical

Python (Intermediate), Microsoft Office, ChatGPT, Claude, Gemini, DeepSeek, Perplexity