About the Role
We're looking for an Integration Specialist to own the technical onboarding and ongoing support of B2B partners integrating with Wirex Pay's Banking-as-a-Serviceplatform. You'll be the bridge between our partners and our technology, ensuring smooth integrations across both our API infrastructure and on-chain (EVM) components.

About Us
Wirex has sat at the intersection of crypto and traditional finance since 2014. Millions of cards issued, billions in transactions processed, and one of the most regulated, stablecoin-friendly platforms in the industry. Wirex BaaS is our Banking as a Service arm, giving fintechs, neobanks and crypto-native companies everything they need to launch financial products: card programmes, multi-currency accounts, FX, stablecoin settlement and the compliance layer that makes it all work.

What You'll Own

End-to-end technical onboarding of new partners, from initial integration kickoff to production go-live.

Ongoing technical support for partners throughout their lifecycle with Wirex Pay.

Partner system integration with Wirex Pay BaaS: API endpoints, smart wallet provisioning, wrapped stablecoin flows (WUSD/WEUR), and card infrastructure.
Guidance on optimal integration patterns to help partners scale efficiently and securely.

Participation in pre-sales and technical discovery calls, explaining integration options and platform capabilities.

Support for L1 Support team on technical and integration-related escalations.

Key Responsibilities

Lead the full integration process for new B2B partners, ensuring smooth onboarding and timely launches
across both API and on-chain touchpoints.

Act as the primary technical point of contact for partners, supporting them with API documentation,smart wallet integrations, and blockchain-specific queries.

Conduct UAT and certification checks to validate transaction flows, wallet operations, and compliance
requirements.

Identify, troubleshoot, and resolve technical issues during integration, including debugging API calls,webhook failures, and on-chain transaction

Maintain, update, and continuously improve integration guides, API documentation, and technical runbooks.

Work closely with engineering, product, and commercial teams to align technical delivery with business
objectives.

Requirements

3+ years of experience in a technical support, technical account management, or integrations-focused role.

Strong understanding of REST APIs, JSON, and webhooks.

Hands-on experience with API testing tools (Postman/Insomnia or similar).

Familiarity with blockchain concepts: wallets, transactions, EVM basics, and token standards (ERC-20).

Experience with blockchain analysis via explorers.

Understanding of account abstraction, smart wallets/MPC wallet infrastructure.

Experience with stablecoins, payment rails, or fintech/crypto products background.

Experience using log management tools to investigate and debug issues.

Ability to explain complex technical concepts clearly to both technical and non-technical stakeholders.

Strong written and verbal communication skills in English (Upper-Intermediate or higher).

Ownership mindset: you care about results and long-term partner success.

Ability to work independently, prioritize effectively, and stay focused on outcomes.

Nice to Have

Basic to intermediate SQL querying skills.

Basic knowledge of Python/TypeScript/Go programming language.

Knowledge of KYC/AML compliance flows in a crypto context.

Hands-on experience running technical demos.

What We Offer

Premium tariffs for Wirex product.

Semi-remote work with flexible hours—work from home or office.

Home office allowance.

Virtual share options scheme after the probation period.

Health insurance coverage after the probationary period.

Generous vacation policy: 20 business days of paid leave.

Paid sick leave, Birthday, and Anniversary leave.

Length of Service Holidays.

Engaging in online events for learning and enjoyment.

PE accounting and support.

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