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Platform Architecture

Platform Modernization Architecture

Transforming ModernHRTech into a modern, scalable, AI-native HR platform through strategic architecture evolution

Strategic Value Drivers

Five key outcomes driving our platform modernization investment

Developer Velocity

10x faster feature delivery with modern tooling

Scalable Architecture

Support 10x customer growth without rewrites

AI-Native Platform

Embedded intelligence across all HR workflows

Enterprise Security

Zero-trust architecture with compliance built-in

Customer Experience

Seamless, personalized HR experiences at scale

Transformation Journey

From legacy monolith to modern platform architecture

Current State

  • Monolithic PHP codebase
  • Tightly coupled modules
  • Manual deployment processes
  • Limited API extensibility
  • Siloed data stores
  • Point-to-point integrations

Future State

  • Modular microservices architecture
  • Domain-driven bounded contexts
  • Automated CI/CD pipelines
  • API-first design with marketplace
  • Unified data platform with analytics
  • Event-driven integration hub

Target Architecture

8-layer platform architecture enabling scale, flexibility, and innovation

Experience Layer
Web AppMobile AppEmbedded WidgetsAI Assistants
API Gateway
AuthenticationRate LimitingRoutingAnalytics
BFF Layer
Web BFFMobile BFFPartner BFFInternal BFF
Domain Services
Core HRRecruitingPerformanceBenefitsPayrollTime
Shared Services
NotificationsDocumentsWorkflowsSearchReporting
Platform Services
IdentityPermissionsAuditConfigFeature Flags
Data Platform
Operational DBAnalytics DWData LakeML Platform
Infrastructure
KubernetesService MeshObservabilitySecurity

Domain Modernization

Bounded contexts aligned with HR business capabilities

Core HR

Modernizing

Employee records, org structure, positions

Recruiting

Planned

ATS, candidate management, hiring workflows

Onboarding

Modernizing

New hire workflows, task management

Performance

Planned

Goals, reviews, feedback, 1:1s

Compensation

Planned

Salary, equity, total rewards

Benefits

Planned

Enrollment, eligibility, administration

Time & Attendance

Modernizing

Time tracking, scheduling, PTO

Payroll

Future

Pay processing, tax, compliance

Learning

Future

Training, certifications, development

Agentic AI Layer

Intelligent agents embedded across the platform for automated HR workflows

User Request
Orchestrator
Agent Execution
Response

HR Assistant

Policy Q&A, PTO help, onboarding support

Recruiting Copilot

Candidate screening, JD drafting, summaries

Manager Copilot

Feedback drafting, goal support, insights

Benefits Advisor

Plan guidance, eligibility, enrollment

Compliance Agent

Policy checks, labor alerts, audit prep

Analytics Agent

Workforce trends, attrition insights

Platform Products

Shared platform capabilities enabling rapid product development

Developer Platform

APIs, SDKs, CLI tools, documentation

Integration Platform

Pre-built connectors, webhooks, iPaaS

Data Platform

Analytics, reporting, data warehouse

AI Platform

ML models, agent framework, embeddings

Workflow Platform

Automation, approvals, orchestration

Security Platform

Identity, access, compliance, audit

Observability Platform

Monitoring, logging, tracing, alerts

Strategic Outcomes

Measurable improvements from platform modernization

Deployment Frequency

30x
Current
Monthly
Target
Daily

Lead Time

28x
Current
4 weeks
Target
< 1 day

Change Failure Rate

3x
Current
15%
Target
< 5%

MTTR

16x
Current
4 hours
Target
< 15 min

API Response Time

5x
Current
500ms
Target
< 100ms

Integration Time

6x
Current
6 weeks
Target
< 1 week

Developer Onboarding

4x
Current
4 weeks
Target
< 1 week

Customer NPS

+18
Current
+32
Target
+50

Modernization Roadmap

Phased approach to platform transformation

Phase 1

Foundation

Q1-Q2 2025
  • Platform team formation
  • API gateway deployment
  • CI/CD modernization
  • Observability stack
Phase 2

Core Services

Q3-Q4 2025
  • Core HR domain extraction
  • Identity platform
  • Event infrastructure
  • Developer portal
Phase 3

Domain Expansion

Q1-Q2 2026
  • Recruiting modernization
  • Performance domain
  • Integration marketplace
  • Analytics platform
Phase 4

AI Integration

Q3-Q4 2026
  • Agent framework
  • ML platform
  • AI assistants
  • Predictive features
Phase 5

Scale & Optimize

2027+
  • Global scale
  • Full domain coverage
  • Advanced AI
  • Platform maturity