Frontend engineer in fintech

We're looking for a Senior Frontend Engineer to join our FinTech Platform team and help us build seamless payment experiences for consumers and merchants. In this role, you'll own consumer-facing and merchant-facing payment journeys, driving frontend architecture, performance engineering, and product quality. You'll work across modern web technologies, contributing to highly scalable and secure payment solutions.

• designing and implementing microfrontend architecture across payment products and services
• owning performance engineering and continuously improving Core Web Vitals across customer-facing applications
• participating in the full development lifecycle, from requirements and specification through testing and release
• building integrations with backend services using GraphQL and REST APIs
• implementing real-time user experiences using Server-Sent Events and similar technologies
• developing secure payment-related user interfaces aligned with industry requirements and best practices
• contributing to frontend tooling, developer experience, and modern engineering workflow

• have at least 5 years of experience building modern frontend applications
• have hands-on experience with React, Vue, or Angular and TypeScript
• have experience designing and implementing microfrontend architectures
• have experience building and maintaining automated end-to-end tests using Playwright or similar frameworks
• understand frontend performance optimisation, Core Web Vitals, profiling, and bundle analysis
• have practical experience integrating REST and GraphQL APIs
• are familiar with OAuth2, OIDC, JWT, feature flags, and progressive delivery approaches
• actively use AI tools such as GitHub Copilot, ChatGPT, or Claude to improve development efficiency and quality
• communicate in English at B2 level or higher
• Будет плюсом: experience in payments, fintech, or e-commerce products; knowledge of PCI DSS requirements, CSP configuration, and secure browser-based architectures; experience with WCAG accessibility standards; backend development experience in Node.js, Java, Python, or C#; experience building embeddable widgets or SDKs

• the opportunity to build products that sit at the heart of InPost's growing financial services ecosystem
• ownership of business-critical solutions operating at scale
• a modern engineering environment focused on autonomy, accountability, and continuous learning
• collaboration with highly experienced product, engineering, and business teams
• access to cutting-edge technologies, event-driven architectures, and cloud-native solutions
• opportunities to shape technical standards, mentor others, and influence platform evolution
• full-time contract of employment.