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Merchant Integration Specialist
Added 04/06/2026
Reference: PD-106

MERCHANT INTEGRATION SPECIALIST12 Month ContractSydney or MelbourneHybrid WorkingTHE ROLEYou will join a specialist team supporting eCommerce merchants from... Read more

MERCHANT INTEGRATION SPECIALIST
12 Month ContractSydney or MelbourneHybrid WorkingTHE ROLE
You will join a specialist team supporting eCommerce merchants from initial integration through to go live and ongoing technical enablement. The team combines strong payments domain knowledge with a practical, customer focused approach to solving complex integration challenges.
 
As a Merchant Integration Specialist, you will act as a trusted technical advisor to merchants and internal stakeholders, translating complex integration requirements into clear, actionable guidance. You will work across merchant development teams, business stakeholders, and senior decision-makers to ensure integrations are smooth, compliant, and set up for success.
 
This role suits someone who is customer facing, commercially aware, and technically strong, with the ability to bridge business needs and technical delivery in a fast paced environment.
 
RESPONSIBILITIES
 
Lead merchant integration engagements end-to-end: from understanding to their technical landscape, gather integration requirements, recommend optimal solutions, and production go-liveSupport pre-sales and solution design activities by providing technical expertise during merchant acquisition and scopingAct as the primary technical point of contact for merchants during migration, onboarding, providing expert guidance on API integration, payment flows, and platform configurationDrive process improvement initiatives that enhance the merchant integration experience and reduce time-to-liveAssist merchants with complex integration questions including custom payment flows, tokenisation, 3D Secure, webhook configuration, and back-office setupGuide merchants through the go-live process, including sandbox testing, certification, and the transition to live transactionsAuthor and maintain self-service technical documentation, integration guides, developer resources, and FAQs to scale onboarding operationsCoach and mentor junior team members, sharing knowledge to uplift the broader TechCare capabilityCollaborate with Product, Engineering, and L1/L2 Support teams to escalate platform issues, provide merchant feedback, and drive continuous improvement 
YOU WILL HAVE
 
Experience in a customer facing technical role within payments, eCommerce, fintech, or financial servicesDemonstrated experience leading merchant or client integrations with payment gateways, orchestration platforms, or eCommerce platformsSound understanding of the payment’s ecosystem: acquiring, issuing, card not present transactions, payment orchestration 
TECHNICAL SKILLS
 
Strong knowledge of RESTful APIs, webhooks, and modern integration patternsDetailed knowledge of payment processing: 3D Secure (3DS2), hosted payment pages, server-to-server integrations, tokenisation, and PCI DSS compliance (desirable)Proficiency with API testing and debugging tools (e.g., Postman, Bruno, cURL, browser developer tools)Combined software development experience with SQL, HTML, JavaScript, Java, JSONFamiliarity with eCommerce platforms and plugins (e.g., WooCommerce, Magento, Salesforce Commerce, CommerceTools)Familiarity with ERP/CRM systems (e.g., SAP, Salesforce, NetSuite) and how they integrate with payment platformsKnowledge of payment platforms such as Stripe, Adyen, Braintree, Worldpay, or similar orchestration/gateway providers (highly regarded)Strong risk awareness with the ability to identify, discuss, and act on current and emerging risks in a regulated environment Read less
A$600.00 - A$650.00
Per day
Sydney
Contract
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​COPYRIGHT © OPUS RECRUITMENT SOLUTIONS LIMITED - PART OF NGAGE SPECIALIST RECRUITMENT LIMITED. ALL RIGHTS RESERVED. COMPANY REGISTERED IN ENGLAND AND WALES WITH COMPANY NUMBER 6470842.

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