Integration Engineer

AbouttheRole
We're lookingforanIntegrationSpecialisttoownthetechnicalonboardingandongoingsupportof B2B partnersintegratingwith Wirex Pay's Banking-as-a-Service platform.  You'llbethebridgebetweenourpartnersandourtechnology, ensuringsmoothintegrationsacrossbothour API infrastructureandon-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

• Leadthefullintegrationprocessfornew B2B partners, ensuringsmoothonboardingandtimelylaunches
  across both API and on-chain touchpoints.  

• Act astheprimarytechnicalpointofcontactforpartners, supportingthemwith API documentation, smart wallet integrations, and blockchain-specific queries.  

• Conduct UAT andcertificationcheckstovalidatetransactionflows, walletoperations, andcompliance
  requirements.  

• Identify, troubleshoot, andresolvetechnicalissuesduringintegration, includingdebugging API calls, webhook failures, and on-chain transaction  

• Maintain, update, andcontinuouslyimproveintegrationguides, API documentation, andtechnicalrunbooks. 

• Work closelywithengineering, product, andcommercialteamstoaligntechnicaldeliverywithbusiness
  objectives. 

Requirements

• 3+ yearsofexperienceina technicalsupport, technicalaccountmanagement, orintegrations-focusedrole.  

• Strongunderstandingof REST APIs, JSON, andwebhooks.  

• Hands-onexperiencewith API testingtools (Postman/Insomniaorsimilar). 

• Familiaritywithblockchainconcepts: wallets, transactions, EVM basics, andtokenstandards (ERC-20).  

• Experience withblockchainanalysisviaexplorers.  

• Understandingofaccountabstraction, smartwallets/MPC walletinfrastructure.  

• Experiencewithstablecoins, paymentrails, orfintech/cryptoproductsbackground.  

• Experience usinglogmanagementtoolstoinvestigateanddebugissues.  

• Abilitytoexplaincomplextechnicalconceptsclearlytobothtechnicalandnon-technicalstakeholders.  

• Strongwrittenandverbalcommunicationskillsin English (Upper-Intermediateorhigher).  

• Ownershipmindset: youcareaboutresultsandlong-termpartnersuccess.  

• Abilitytoworkindependently, prioritizeeffectively, andstayfocusedonoutcomes. 
  

NicetoHave

• Basic tointermediate SQL queryingskills. 

• Basic knowledge of Python/TypeScript/Go programming language.

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

• Hands-onexperiencerunningtechnicaldemos. 

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. 

• Paidsickleave, Birthday, andAnniversaryleave. 

• Lengthof Service Holidays. 

• Engagingin online eventsfor learning andenjoyment. 

• PE accountingandsupport.