Anwaar Ul Haq

Anwaar Ul Haq

Senior Engineering Leader

Peppol E-Invoicing & Integration Platforms · AI-Native Delivery

Engineering leader with 10+ years building and scaling multi-tenant, cloud-native platforms, and a hands-on builder of regulated integrations: Peppol e-invoicing for UAE tax compliance and EHR/FHIR integration for US health systems. I work AI-native with Claude Code and agentic workflows, shipping at AI speed without giving up tests, infrastructure as code or reviewable design.

+92 335 8685330anwaar@anwaarulhaq.me
Islamabad, Pakistan · Open to remote and relocation

Current Work

Founder project · HyperBadge Ltd (UK)

HyperASP ↗

A white-label Peppol e-invoicing platform for UAE Accredited Service Providers: PINT-AE, UBL 2.1, Schematron validation and AS4 exchange, with consoles for the provider and each of its business customers.

Foundation Health · Software Engineer

Healthcare integrations

A multi-tenant layer connecting health-system EHRs (Epic, FHIR R4) to the platform, prior authorization end to end, 340B compliance claims, and GCP networking for customer connectivity.

Core Expertise

E-Invoicing

PeppolPINT-AEUBL 2.1BIS Billing 3.0AS4SBDHSMP/SMLSchematron5-Corner Model

Healthcare Integration

FHIR R4Epic/EHRHL7Prior Authorization340BHIPAA

Cloud & DevOps

GCPAWSTerraformPulumiKubernetesK3sDockerCloud RunPub/SubLambdaTraefikCircleCI

AI & Modern Tech

Claude CodeAgentic WorkflowsMCPRAGLLM IntegrationVector DB

Backend & Languages

TypeScriptNode.jsNestJSKoaPrismaNext.jsSvelteKitPythonGraphQL

Data & Databases

PostgreSQLMySQLMongoDBRedisOpenSearchElasticSearchAthenaRedshift

Real-time & Messaging

MQTTSocket.IORabbitMQEventBridgeWebSockets

Architecture & Best Practices

Multi-Tenant SaaSEvent-DrivenMicroservicesIaCADRsPlaywrightCI/CDAuth0/OAuth2
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