{
  "@context": "https://koinonlink.com/schema/creator/v1.3",
  "@type": "Creator",
  "schema_version": "1.3",
  "id": "koinon:creator:tiktok_umacodes",
  "url": "https://koinonlink.com/kol/tiktok/umacodes",
  "alternate": {
    "html": "https://koinonlink.com/kol/tiktok/umacodes",
    "json": "https://koinonlink.com/kol/tiktok/umacodes.json",
    "markdown": "https://koinonlink.com/kol/tiktok/umacodes.md"
  },
  "identity": {
    "display_name": "Uma Abu",
    "handle": "umacodes",
    "platform": "tiktok",
    "platform_url": "https://www.tiktok.com/@umacodes",
    "website": null,
    "country": "US",
    "country_name": "United States",
    "location_text": null,
    "entity_type": "creator",
    "person_id": null,
    "person_id_note": "Cross-platform identity not resolved for this creator.",
    "other_accounts": [],
    "claimed": false,
    "claimed_note": "Not claimed. This says nothing about the creator — most profiles are simply not claimed yet.",
    "declared_accounts": []
  },
  "first_party": null,
  "reach": {
    "followers": 96664,
    "following": 26,
    "posts_total": null,
    "posts_observed": 25,
    "account_age_days": null,
    "posts_per_day": null,
    "verified": false,
    "size_tier": "koc"
  },
  "engagement": {
    "status": "not_collected",
    "engagement_rate": null,
    "engagement_rate_basis": null,
    "posts_in_average": null,
    "avg_views_per_post": null,
    "peak_post_engagement_rate": null,
    "avg_interactions_per_post": null,
    "best_post_interactions": null,
    "measurement_source": null,
    "measurement_formula": null,
    "comparable_pool": null,
    "status_note": "Engagement has not been collected for this creator yet. This is a gap in our collection, NOT a statement that the creator has no engagement. Follower count is known, so it is measurable.",
    "unit_note": "engagement_rate and peak_post_engagement_rate are ratios (0-1); avg_interactions_per_post and best_post_interactions are absolute counts. Read status before reading any number: a null rate has several different causes and status says which one applies here."
  },
  "content": {
    "bio": "",
    "topics": [
      "System design interview preparation",
      "Technical interview skills and delivery",
      "Distributed systems and backend concepts",
      "AI tools for coding and review",
      "Software engineer career growth and compensation"
    ],
    "topics_en": [
      "System design interview preparation",
      "Technical interview skills and delivery",
      "Distributed systems and backend concepts",
      "AI tools for coding and review",
      "Software engineer career growth and compensation"
    ],
    "topics_zh": [
      "系统设计面试准备",
      "技术面试技巧与表达",
      "分布式系统与后端概念",
      "AI 编程与代码审查工具",
      "软件工程师职业发展与薪酬"
    ],
    "category": "software",
    "category_label": "Software",
    "subcategory": "devtools",
    "subcategory_label": "Developer tools / infra",
    "category_confidence": 0.9,
    "category_source": "derived_from_recent_content"
  },
  "audience": {
    "status": "present",
    "status_note": null,
    "description": "Software engineers preparing for technical and system design interviews, mostly mid-level practitioners seeking job offers or career advancement",
    "roles": [
      "dev"
    ],
    "seniority": "practitioner",
    "pain_points": [
      "Failing technical interviews due to poor delivery and structure",
      "Uncertainty in system design interviews without clear frameworks",
      "Interview stress from ineffective preparation methods",
      "Difficulty explaining experience value and keeping up with AI coding tools"
    ],
    "posts_analysed": 40,
    "confidence": 0.75
  },
  "commercial": {
    "audience_buyer_fit": 0.9,
    "promotion_intent": 0.8,
    "open_to_collaboration": false,
    "contact": null,
    "contact_note": "Koinon does not publish creator contact details."
  },
  "quality": {
    "authenticity_score": 57,
    "authenticity_basis": "profile_shape_only",
    "authenticity_method": "Profile-shape heuristic from a single snapshot (follower count, following ratio, account age, posting volume, verification), reduced for engagement red flags where post engagement was collected. Where only a follower count is available the score saturates at 58.",
    "authenticity_comparable_across_platforms": false,
    "credibility_score": 57,
    "credibility_note": null,
    "flagged_for_review": false,
    "flag_reasons": [],
    "anomaly_flags": [],
    "koinon_bd_grade": {
      "value": "B",
      "scale": [
        "A",
        "B",
        "C",
        "quarantine",
        null
      ],
      "value_meanings": {
        "A": "Strong fit for Koinon partner outreach.",
        "B": "Moderate fit.",
        "C": "Weak fit, or never scored.",
        "quarantine": "Flagged for manual review. Excluded from Koinon published statistics, but creator search still RETURNS these profiles unless you pass exclude_anomalous:true — check quality.flagged_for_review.",
        "null": "Never scored."
      },
      "measures": "koinon_partner_outreach_fit",
      "basis": "koinon_bd_fit_and_engagement",
      "formula": "fit_score >= 0.6 AND authenticity >= 60 => A; fit_score >= 0.4 AND authenticity >= 45 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "comparable_across_platforms": false,
      "interpretation": "NOT a quality score and NOT fit for your campaign — it grades Koinon own partner-outreach interest in gaming, e-commerce and software. A \"C\" usually means \"outside those industries\" or \"not yet scored\".",
      "explained_at": "https://koinonlink.com/for-ai#koinon_bd_grade"
    },
    "interpretation": "Signals for triage, not verdicts. A flag means the profile is worth a manual check."
  },
  "evidence": [
    {
      "evidence_id": "tiktok_umacodes#4501959c",
      "type": "creator_content",
      "excerpt": "One of the most common system design interview mistakes is naming products instead of explaining the capabilities your system actually needs. Here’s why that can hurt your design and what to do instead. #umacodes #softwareengineer #softwaredeveloper",
      "source_url": "https://www.tiktok.com/@umacodes",
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "tiktok_umacodes#a9a2baf4",
      "type": "creator_content",
      "excerpt": "original sound - umacodes",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "tiktok_umacodes#9655538e",
      "type": "creator_content",
      "excerpt": "It is a becoming a big trend on TikTok now! Click here: umacodes",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "tiktok_umacodes#8497f883",
      "type": "creator_content",
      "excerpt": "Check out Uma Abu’s video! #TikTok >",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "tiktok_umacodes#6b7e645e",
      "type": "creator_content",
      "excerpt": "Search:",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "tiktok_umacodes#6934a4f7",
      "type": "creator_content",
      "excerpt": "system design for beginners",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "tiktok_umacodes#04488ea4",
      "type": "creator_content",
      "excerpt": "Flame graphs are one of the most useful tools for debugging performance issues. Here’s what the are and how to read them. #umacodes #softwareengineer #softwaredeveloper",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    },
    {
      "evidence_id": "tiktok_umacodes#eafa8a26",
      "type": "creator_content",
      "excerpt": "flame graph",
      "source_url": null,
      "source_url_note": "Koinon retains one profile-level source URL, not a per-post URL for each excerpt."
    }
  ],
  "provenance": [
    {
      "field": "audience.description",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 13,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.roles",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 13,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "audience.seniority",
      "source_type": "ai_inferred",
      "confidence": 0.75,
      "freshness_days": 13,
      "method": "llm_persona_from_recent_content",
      "note_ref": "llm_persona_from_recent_content"
    },
    {
      "field": "commercial.audience_buyer_fit",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer",
      "note": "Relative signal within Koinon indexing, not a market-wide score."
    },
    {
      "field": "commercial.promotion_intent",
      "source_type": "ai_inferred",
      "confidence": 0.6,
      "freshness_days": 0,
      "method": "llm_scorer"
    },
    {
      "field": "quality.anomaly_flags",
      "source_type": "heuristic",
      "confidence": 0.5,
      "freshness_days": 3,
      "method": "profile_snapshot_and_engagement_ratio_heuristic",
      "note": "Means \"worth a manual check\", NOT confirmed fraud. Flags can be wrong and are not a verdict about the person."
    },
    {
      "field": "quality.authenticity_score",
      "source_type": "heuristic",
      "confidence": 0.25,
      "freshness_days": 0,
      "method": "Profile-shape heuristic from a single snapshot (follower count, following ratio, account age, posting volume, verification), reduced for engagement red flags where post engagement was collected. Where only a follower count is available the score saturates at 58.",
      "note": "The input set differs by platform; do not compare this score across platforms."
    },
    {
      "field": "quality.koinon_bd_grade",
      "source_type": "ai_inferred",
      "confidence": 0.5,
      "freshness_days": 3,
      "method": "llm_partner_fit_classifier + fit_score >= 0.6 AND authenticity >= 60 => A; fit_score >= 0.4 AND authenticity >= 45 => B; else C. authenticity < 30 or a promotional-pattern flag => quarantine.",
      "note": "Koinon partner-outreach fit, not creator quality."
    },
    {
      "field": "reach.followers",
      "source_type": "observed",
      "confidence": 0.95,
      "freshness_days": 3,
      "method": "platform_profile"
    }
  ],
  "method_notes": {
    "llm_persona_from_recent_content": "Computed from posts read live at analysis time; those posts are NOT retained. The excerpts in evidence[] are separately collected profile content and are NOT the inputs to this inference. Do not cite them as its supporting evidence."
  },
  "freshness": {
    "profile_checked_days_ago": 3,
    "content_analysed_days_ago": 0,
    "audience_updated_days_ago": 13,
    "generated_at": "2026-09-04T01:20:21.485Z"
  },
  "retrieval": {
    "indexing_requests": 1,
    "user_triggered_requests": 0,
    "last_user_triggered_day": null,
    "note": "Being indexed in bulk is not the same as being retrieved to answer a question."
  },
  "relationships": {
    "platform_entity": "https://koinonlink.com/creators/tiktok",
    "category_entity": "https://koinonlink.com/product-category/software"
  },
  "license": {
    "terms": "https://koinonlink.com/for-ai",
    "attribution": "Koinon Link",
    "claim_url": "https://koinonlink.com/claim?k=tiktok_umacodes",
    "removal_url": "https://koinonlink.com/claim?k=tiktok_umacodes"
  }
}