Senior Vertex O-Series Architect & Enterprise Integrator

Programmers.io; Austin (TX); On-site; USD 150,000 - 190,000; Full time

Job summary

Programmers.io in Austin, Texas, seeks a senior Vertex O-Series expert to lead enterprise tax technology implementations and complex integrations. You will own Vertex configuration, tax data rules, and high-volume transaction handling across digital services and physical goods scenarios.

Collaborate with SAP and custom applications, define integration standards, and design robust API contracts, payload structures, error handling, and monitoring.

Qualifications

• 10+ years of hands-on experience implementing, configuring, and supporting Vertex O-Series in enterprise environments.
• Deep expertise in Vertex configuration, including Tax Assist rules, jurisdictions, rates, exemption certificates, and reporting
• Experience with extremely high-volume transaction environments
• Hands-on Vertex configuration for digital services and physical goods tax scenarios
• Strong experience integrating Vertex with SAP and custom applications
• Ability to define integration standards, including API contracts, payload structures, error handling, and monitoring
• Strong engineering background in API design, data mapping, JSON/XML transformations, and secure integrations
• Experience defining tax data flows, transaction mapping, and reconciliation controls
• Experience participating in architecture reviews and driving engineering best practices

Skills

Vertex O-Series

Vertex configuration

High-volume transactions

Tax data integration

SAP integration

API integration

Data mapping

JSON/XML transformations

Enterprise architecture

Architecture reviews

Tools

SAP

Custom applications

API contracts

Payload structures

Error handling

Monitoring

JSON transformations

XML transformations

Job description

Programmers.io in Austin, Texas, seeks a senior Vertex O-Series expert to lead enterprise tax technology implementations and complex integrations. You will own Vertex configuration, tax data rules, and high-volume transaction handling across digital services and physical goods scenarios.

Collaborate with SAP and custom applications, define integration standards, and design robust API contracts, payload structures, error handling, and monitoring.