Senior Frontend Engineer - Fintech Engineering (M/F/N)

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SeniorHybryda·WarszawaFull-time

#469196·Dodano 2 dni temu·23

Źródło: InPost

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Tech Stack / Keywords

React Vue Angular TypeScript GraphQL REST PlaywrightServer-Sent EventsOAuth2OIDC

Podsumowanie oferty

Join the FinTech Platform team to build consumer- and merchant-facing payment journeys. You’ll drive frontend architecture and performance engineering using React, Vue or Angular, TypeScript, and GraphQL/REST APIs.

Wymagania

At least 5 years of experience building modern frontend applications.
Hands-on experience with React, Vue, or Angular and TypeScript.
Experience designing and implementing microfrontend architectures.
Experience building and maintaining automated end-to-end tests using Playwright or similar frameworks.
Understanding of frontend performance optimisation, Core Web Vitals, profiling, and bundle analysis.
Practical experience integrating REST and GraphQL APIs.
Familiarity with OAuth2, OIDC, JWT, feature flags, and progressive delivery approaches.
Active use of AI tools such as GitHub Copilot, ChatGPT, or Claude to improve development efficiency and quality.
English communication skills at B2 level or higher.

Nice to have:

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.

Obowiązki

Design and implement microfrontend architecture across payment products and services.
Own performance engineering and continuously improve Core Web Vitals across customer-facing applications.
Participate in the full development lifecycle, from requirements and specification through testing and release.
Build integrations with backend services using GraphQL and REST APIs.
Implement real-time user experiences using Server-Sent Events and similar technologies.
Develop secure payment-related user interfaces aligned with industry requirements and best practices.
Contribute to frontend tooling, developer experience, and modern engineering workflow.

Benefity

Opportunities to shape technical standards, mentor others, and influence platform evolution.

InPost

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