React Native Developer

ServicesDomain expertiseSalesforce EcosystemSalesforce development servicesSalesforce consultingSalesforce implementationSalesforce integrationsSalesforce customizationSalesforce support & maintenanceSalesforce apps developmentPardot Optimization & AutomationDigital Commerce & FintechSalesforce Commerce CloudAdobe Commerce (Magento)ShopifyWeb/Mobile Dev & UX/UIWeb developmentPWA developmentMobile app developmentWeb designWebflowAI & Data EngineeringIndustriesRetail & EcommerceFintech & PaymentsSaaS & Tech StartupsAutomotive & MobilityService ModelsDedicated Engineering SquadsCustom edEngineering (End-to-End)Strategic Tech ConsultingPortfolioCompanyAboutCareersPress RoomContactsBlogAll insightsBlogMonthly newsPodcastscontact usHomeCareersReact Native Developer[Archive]Middle+ / SeniorReact Native DeveloperPositionWe’re looking for a Senior Mobile Engineer (React Native) to join a fintech project. You’ll work on a mobile app, building payment and banking features in a product-focused, cross-functional team. This role is ideal for engineers with strong fintech experience who enjoy shipping secure, high-impact mobile solutions.Responsibilities and dutiesDevelop and maintain React Native iOS and Android mobile applications for fintech products.Integrate with payment providers and banking APIs (Stripe, Adyen, open banking, PSD2).Collaborate with cross-functional teams, including Product, Design, and QA, to deliver high-quality features.Implement secure, reliable, and scalable solutions, including risk/fraud prevention mechanisms.Contribute to CI/CD pipelines, code reviews, and support QA automation efforts for mobile and API testing.‍Qualifications And SkillsExperience in fintech software development, with at least 3+ years in React Native (iOS/Android).Solid background in fintech/banking products (payments, wallets, lending, BNPL, card, or banking operations).Hands-on experience integrating payment providers (ideally Stripe, Adyen, PayPlug, or similar).Experience working with banking/financial APIs (open banking, PSD2, or custom bank APIs).Good understanding of security, risk, and fraud detection concepts in financial products.Strong knowledge of TypeScript/JavaScript, REST/JSON, and CI/CD.Experience working in cross-functional product teams (Agile/Scrum) closely with Product, Design, and QA.Nice To Have:Experience setting up or contributing to QA automation (mobile UI/E2E tests, API tests).Experience with risk/fraud systems, scoring engines, or rule engines.Experience with high-availability and high-load systems.What we offerA decent salary level which allows you to think about our mutual success and not about tomorrow.Flexible working hours. You create your own schedule.Possibility to work remotely. You prefer home office or traveling around? Easy, that's exactly how we operate.Get startedShare some details with us, so we are well prepared for the first contact!I give my consent to process my personal data in accordance with the Privacy Policy.Thank youYour CV was successfully delivered into the hands of our HR team, and they've already started to carefully consider it.While you're here, visit our Linkedin page to get to know us better!Oops! Something went wrong while submitting the form.Reviewed on20reviewsSalesforce EcosystemSalesforce development servicesSalesforce consultingSalesforce implementationSalesforce integrationsSalesforce customizationSalesforce support & maintenanceSalesforce apps developmentPardot Optimization & AutomationService ModelsDedicated Engineering SquadsCustom Engineering (End-to-End)Strategic Tech ConsultingWeb & MobileWeb developmentPWA developmentMobile app developmentWeb designWebflow developmentArtificial IntelligenceAI & Data EngineeringIndustriesRetail & EcommerceFintech & PaymentsSaaS & Tech StartupsAutomotive & MobilityCommerce & FintechSalesforce Commerce CloudAdobe Commerce (Magento)ShopifyCompanyAboutPortfolioBlogCareersSay helloinfo@grinteq.com+1 (347) 305-10-85Our address US1412 Broadway Fl 21v NY, NY 10018Our address PortugalRua Viriato 27 Lisboa, 1050-227© 2026 Sens Soft Inc. (dba Grinteq) All rights reserved.Privacy PolicyCookie PolicySitemap