If you're building HR technology — workforce management SaaS, payroll platforms, benefits administration software, time-tracking systems, or employee self-service portals — your platform sits at the intersection of some of the most heavily regulated data in enterprise software.
FLSA overtime thresholds. ACA employer mandate reporting. I-9 employment eligibility. OSHA 300 injury logs. Every one of these has a federal clock, a penalty schedule, and an audit trail requirement. When your cloud iPaaS is in the data path, it shares responsibility for that clock.
Self-hosted n8n is different. Your workflow logic runs inside your HR platform's infrastructure. Employee PII, I-9 records, and benefits data never flow through third-party servers. The workflow JSON is a git-versioned artifact you can produce for DOL audits, IRS inquiries, or EEOC investigations.
Here are 5 production-ready n8n automations for HRTech SaaS vendors.
1. FLSA Overtime Alert & Manager Notification Workflow
Who it's for: Time-tracking SaaS, workforce scheduling platforms, payroll software
The problem: FLSA §207 requires 1.5x pay for non-exempt employees working over 40 hours/week. The penalty is back wages + equal amount in liquidated damages + attorney fees. Most violations happen because managers don't know until payroll closes — 5–7 days after the overtime already occurred.
The workflow:
- Trigger: Cron (daily 18:00 local) or webhook from time-tracking system
-
Nodes: HTTP Request (pull weekly hours per employee) → Code (flag anyone ≥38h by Wednesday, ≥40h any day) → IF (overtime threshold crossed) → Slack DM to manager + Gmail to HR → Sheets (log
overtime_alertwith timestamp) → Wait until payroll close → HTTP Request (verify correction)
Import-ready JSON:
{
"name": "FLSA Overtime Alert",
"nodes": [
{
"type": "n8n-nodes-base.scheduleTrigger",
"name": "Daily Check",
"parameters": { "rule": { "interval": [{ "field": "hours", "hoursInterval": 24 }] } }
},
{
"type": "n8n-nodes-base.httpRequest",
"name": "Get Weekly Hours",
"parameters": { "url": "={{ $env.HRIS_API_URL }}/hours/weekly", "method": "GET", "authentication": "genericCredentialType" }
},
{
"type": "n8n-nodes-base.code",
"name": "Flag Overtime Risk",
"parameters": {
"jsCode": "const employees = $json.employees || [];\nreturn employees.filter(e => e.hours_this_week >= 38).map(e => ({\n json: { ...e, risk_level: e.hours_this_week >= 40 ? 'OVERTIME' : 'APPROACHING', checked_at: new Date().toISOString() }\n}));"
}
},
{
"type": "n8n-nodes-base.slack",
"name": "Alert Manager",
"parameters": { "channel": "={{ $json.manager_slack_id }}", "text": "⚠️ FLSA Alert: {{ $json.name }} has {{ $json.hours_this_week }}h this week. Status: {{ $json.risk_level }}" }
}
]
}
2. ACA Employer Mandate — 1094-C/1095-C Data Aggregation Pipeline
Who it's for: Benefits administration SaaS, HRIS platforms, payroll software
The problem: ACA §4980H requires Applicable Large Employers (50+ FTEs) to offer minimum essential coverage or pay the employer shared responsibility payment. The IRS penalty is $2,970/employee/year (2024) for failure to offer coverage. The 1094-C/1095-C filing deadline is February 28 (paper) or March 31 (electronic).
The pain: ACA reporting requires combining data from payroll (hours), benefits (enrollment), and HR (headcount) — three systems that rarely sync automatically.
The workflow:
- Trigger: Cron (monthly, 1st of month) + manual trigger for year-end
- Nodes: HTTP Request (payroll hours) → HTTP Request (benefits enrollment) → HTTP Request (HR headcount) → Code (calculate FTE count, identify full-time threshold crossings, flag coverage gaps) → Google Sheets (1095-C data staging table) → Gmail (monthly summary to benefits admin)
Import-ready JSON:
{
"name": "ACA Monthly Data Aggregation",
"nodes": [
{
"type": "n8n-nodes-base.scheduleTrigger",
"name": "Monthly Trigger",
"parameters": { "rule": { "interval": [{ "field": "months", "monthsInterval": 1 }] } }
},
{
"type": "n8n-nodes-base.code",
"name": "Calculate FTE Count",
"parameters": {
"jsCode": "const employees = $json.employees;\nconst fullTime = employees.filter(e => e.monthly_hours >= 130);\nconst partTime = employees.filter(e => e.monthly_hours < 130 && e.monthly_hours > 0);\nconst pteFTE = partTime.reduce((s, e) => s + e.monthly_hours, 0) / 120;\nreturn [{ json: { full_time_count: fullTime.length, fte_equivalent: Math.round(fullTime.length + pteFTE), is_ale: (fullTime.length + pteFTE) >= 50, month: new Date().toISOString().slice(0,7) } }];"
}
}
]
}
3. I-9 Employment Eligibility Expiration Monitor
Who it's for: HRIS platforms, onboarding software, compliance management tools
The problem: 8 U.S.C. §1324a requires I-9 re-verification for employees with temporary work authorization before their employment authorization expires. ICE Form I-9 audits carry civil penalties of $272–$2,701 per violation for paperwork errors and $698–$5,579 per unauthorized worker. Most HR teams lose track of expiring documents in spreadsheets.
The workflow:
- Trigger: Cron (daily 07:00)
- Nodes: HTTP Request (pull employees with expiring I-9 documents) → Code (bucket by days-to-expiry: 90d warning, 30d urgent, 7d critical, expired) → Switch (route by severity) → Gmail to HR specialist + manager (with re-verification checklist) → Sheets (log alert sent) → IF (expired AND no re-verification) → Slack escalation to legal/CHRO
Import-ready JSON:
{
"name": "I-9 Expiration Monitor",
"nodes": [
{
"type": "n8n-nodes-base.scheduleTrigger",
"name": "Daily Monitor",
"parameters": { "rule": { "interval": [{ "field": "hours", "hoursInterval": 24 }] } }
},
{
"type": "n8n-nodes-base.code",
"name": "Bucket by Urgency",
"parameters": {
"jsCode": "const today = new Date();\nreturn $json.employees\n .filter(e => e.work_auth_expiry)\n .map(e => {\n const expiry = new Date(e.work_auth_expiry);\n const days = Math.floor((expiry - today) / 86400000);\n const severity = days < 0 ? 'EXPIRED' : days <= 7 ? 'CRITICAL' : days <= 30 ? 'URGENT' : days <= 90 ? 'WARNING' : 'OK';\n return { json: { ...e, days_until_expiry: days, severity, checked_at: today.toISOString() } };\n })\n .filter(e => e.json.severity !== 'OK');"
}
}
]
}
4. OSHA 300 Injury Log Sync & 300A Annual Summary Auto-Draft
Who it's for: EHS (environment/health/safety) SaaS, workplace safety platforms, HR compliance tools
The problem: OSHA 29 CFR §1904 requires employers with 10+ employees to maintain an OSHA 300 log of work-related injuries and illnesses. The OSHA 300A annual summary must be posted February 1–April 30 each year. Electronic submission (ITA portal) is required for establishments with 100+ employees in high-hazard industries.
The workflow:
- Trigger: Webhook (incident.reported event from safety platform) + Cron (February 1 for annual summary)
- Nodes: Webhook (new incident) → Code (classify by OSHA recordability criteria: days away, restricted duty, medical treatment, loss of consciousness, diagnosis of significant injury) → HTTP Request (post to OSHA 300 log database) → Gmail (supervisor notification + 24h follow-up reminder) → [Annual branch] Code (aggregate YTD, calculate incidence rates) → Google Docs (generate 300A draft) → Gmail (to EHS manager for review)
Import-ready JSON:
{
"name": "OSHA 300 Incident Logger",
"nodes": [
{
"type": "n8n-nodes-base.webhook",
"name": "Incident Reported",
"parameters": { "path": "incident-reported", "responseMode": "onReceived" }
},
{
"type": "n8n-nodes-base.code",
"name": "OSHA Recordability Check",
"parameters": {
"jsCode": "const i = $json.body;\nconst recordable = i.days_away_from_work > 0 || i.restricted_duty_days > 0 || i.medical_treatment_beyond_first_aid || i.loss_of_consciousness || i.significant_diagnosis;\nreturn [{ json: { ...i, osha_recordable: recordable, case_type: i.days_away_from_work > 0 ? 'DAYS_AWAY' : i.restricted_duty_days > 0 ? 'JOB_TRANSFER' : 'OTHER_RECORDABLE', logged_at: new Date().toISOString() } }];"
}
}
]
}
5. New Hire Onboarding Compliance Checklist Orchestrator
Who it's for: HRIS onboarding software, HR service delivery platforms, employee experience tools
The problem: A compliant new hire onboarding involves I-9 (3 business days), W-4, state tax forms, benefits enrollment window (typically 30 days), direct deposit setup, mandatory training acknowledgments, and background check completion — each with its own deadline and legal consequence for missing it.
The workflow:
- Trigger: Webhook (employee.hired event) or HRIS integration trigger
- Nodes: Set (compute all deadline timestamps from hire date) → Code (generate checklist with deadlines) → Gmail Day 0 (welcome + I-9 instruction — "complete within 3 business days") → Wait 2d → IF (I-9 complete?) → Gmail reminder OR escalate to HR → Wait until Day 30 → IF (benefits enrolled?) → Gmail final warning OR log as declined → Sheets (track completion status for each item) → Code (generate compliance summary at Day 45)
Import-ready JSON:
{
"name": "New Hire Compliance Orchestrator",
"nodes": [
{
"type": "n8n-nodes-base.webhook",
"name": "Employee Hired",
"parameters": { "path": "employee-hired", "responseMode": "onReceived" }
},
{
"type": "n8n-nodes-base.code",
"name": "Compute Compliance Deadlines",
"parameters": {
"jsCode": "const hire = new Date($json.body.hire_date);\nconst addDays = (d, n) => { const r = new Date(d); r.setDate(r.getDate() + n); return r.toISOString(); };\nreturn [{ json: { ...$json.body,\n i9_deadline: addDays(hire, 3),\n benefits_deadline: addDays(hire, 30),\n w4_deadline: addDays(hire, 7),\n training_deadline: addDays(hire, 14),\n compliance_review_date: addDays(hire, 45)\n} }];"
}
},
{
"type": "n8n-nodes-base.gmail",
"name": "Day 0 Welcome",
"parameters": {
"toEmail": "={{ $json.work_email }}",
"subject": "Welcome to {{ $json.company_name }} — Your First-Week Checklist",
"message": "Hi {{ $json.first_name }},\n\nWelcome! To stay compliant, please complete:\n• I-9 Employment Eligibility: within 3 business days (by {{ $json.i9_deadline.slice(0,10) }})\n• W-4 Federal Tax: within 7 days\n• Benefits enrollment: within 30 days (by {{ $json.benefits_deadline.slice(0,10) }})\n\nYour HR team is here to help. Reply to this email with any questions."
}
}
]
}
Why Self-Hosted n8n for HRTech Compliance Workflows
Employee PII never leaves your infrastructure. Social Security numbers, I-9 documents, medical information, and salary data stay in your network. No third-party iPaaS server touches them.
Audit trail is a git-versioned JSON file. When the DOL audits your overtime practices or ICE requests I-9 records, you produce the workflow JSON as part of your compliance documentation — timestamped, version-controlled, reproducible.
The compliance clock is deterministic. n8n's built-in Wait node and Schedule Trigger fire on exact timestamps. You can prove to an EEOC investigator that the 3-business-day I-9 reminder fired on schedule.
FlowKit ships these as ready-to-import workflow templates. Drop the JSON into your n8n instance, connect your HRIS API credentials, and the workflow is live in minutes — not weeks of custom development.
Free workflow templates for HRTech compliance automation: FlowKit on Gumroad
These workflows are starting-point templates, not legal advice. Verify compliance requirements with qualified employment law counsel before production deployment.
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