Frontend EngineerEngineering | London (Hybrid)We’re partnering with a global fintech platform building modern infrastructure for digital payments, on-chain banking and investment services. The business operates across 140+ countries, integrates with 30+ trading venues to deliver deep liquidity and optimal execution, and maintains a 100% reserve model with real-time transparency of assets and liabilities.This is an opportunity to join a high-performing engineering team shaping secure, scalable web and mobile products used by millions worldwide.The RoleAs a Frontend Engineer, you’ll focus on building and enhancing consumer and business applications across web and mobile. You’ll design and develop with three core principles in mind: maintainability, performance, and security.You’ll work in a collaborative, cross-functional environment where frontend engineers have real ownership and influence across the full development lifecycle.Key ResponsibilitiesDevelop and maintain a digital wallet experience that is secure, intuitive and performant across devicesBuild new features and optimise existing functionality for web and mobile platformsCollaborate closely with backend engineers to integrate APIs and services efficientlyParticipate in planning, design, development, testing, deployment and maintenanceWrite clean, scalable, high-quality code aligned with best practicesContribute to performance optimisation and secure coding standardsRequirementsStrong experience with React and/or React NativeExperience with GraphQL and RESTful APIsSolid understanding of web fundamentals (DOM, CORS, browser storage, request/response lifecycle)Strong knowledge of mobile platforms, including native modules, app lifecycle, data storage and performance optimisation (iOS & Android)Familiarity with modern JavaScript/ECMAScript standardsExperience with version control systemsUnderstanding of development pipelines and automation toolsStrong communication skills and ability to work cross-functionallyFluent written and spoken EnglishNice to HaveExperience with additional programming languagesTest automation experienceMulti-language application developmentKnowledge of digital assets/cryptocurrency ecosystemsOpen-source contributions, technical writing, or community involvementWhat’s On OfferCompetitive base salary + annual performance bonusHybrid working (London-based)Home office stipendHealthcare and employee assistance programsGenerous annual leaveLearning and development opportunitiesInclusive, collaborative culture with strong engineering standardsIf you’re excited about building secure, high-performance financial products at global scale, this is a strong opportunity to make meaningful impact.