Requirements / constraints:
- 30-person sales org, low scale, minimal engineering effort, reliable tags in existing CRM (e.g., Salesforce/HubSpot).
- Tags used for segmentation in outreach and routing; must be near-real-time but not noisy; easy for reps to see and override when appropriate.
High-level design:
- Lightweight ETL + business rules service → CRM fields (custom multi-select "Segmentation Tags") → rep UI (list view, record highlights, suggestion panel).
Components & responsibilities:
- Source systems: product usage DB, marketing lists, SDR notes (CSV/API).
- Rules engine (simple cron job or serverless function) that:
- Ingests sources
- Applies deterministic rules (priority-ordered)
- Produces final tag set per account/contact
- Writeback adaptor: calls CRM API to patch custom tag field, records meta (timestamp, source, rule-id).
- Monitoring & audit log: small dashboard showing recent writes, conflicts, failures.
- Rep exposure: CRM list view columns, record highlights, a “Tag details” hover showing provenance and last-updated timestamp; optional toast/suggestion that reps can accept or request recalculation.
Tag update cadence:
- Full run nightly (conservative sweep).
- Incremental runs every 30 minutes for critical signals (e.g., recent product activation, MQL -> automatic tag).
- Immediate manual recalc endpoint for reps/ops.
Conflict resolution:
- Deterministic priority order encoded in rules (e.g., manual rep overrides > sales-ops curated lists > product usage signals > marketing lists).
- Store provenance and a conflict flag if two high-priority sources disagree.
- When conflict occurs: keep highest-priority tag, surface conflict to sales-op owner via dashboard and to rep as a non-blocking note so they can override.
- Allow manual override in CRM which sets a “locked_by” and prevents automated overwrites unless a higher-priority event occurs or ops clears the lock.
Exposure to reps:
- Add "Segmentation Tags" column in default list views and lead/contact page banner highlighting important tags.
- Hover/expand to show provenance (who/what wrote it, when, rule id) and a “Request change” or “Override” button.
- Short training doc + one-pager for reps explaining tag meanings and override policy.
Operational considerations:
- Keep implementation serverless or small app (AWS Lambda / Google Cloud Function + scheduled job).
- Keep schema simple: tag name, source, timestamp, priority, locked_by.
- Add test harness and rollback: ability to batch-revert writes by timestamp.
- KPIs: tag freshness, write success rate, number of manual overrides, rep satisfaction.
This approach minimizes engineering cost, preserves authoritative ownership, handles conflicts transparently, and surfaces tags in familiar CRM places for reps to act on.