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Senior Frontend Developer

Finteqhub — Poland · Posted ~21 hours ago

Senior

Skills

React TypeScript Preact Frontend development Responsive web development Code review Scrum Web widgets PCI DSS

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Summary ✨ AI‑Generated

A senior frontend developer is sought to build sophisticated web interfaces and client-side widgets for a global digital payments platform. The role involves React, TypeScript, Preact, mobile optimization, code reviews, architectural contributions, and close collaboration within a Scrum team.

Highlights

A senior frontend role working on payment technology, modern TypeScript-based web applications, mobile-optimized interfaces, architectural initiatives, and collaborative Scrum development.

Description

Overview: The Payment Gateway is part of our growing fintech software and payment management system. The team works on providing clients with a payment platform designed to help online businesses manage and process monetary transactions worldwide. About Product: А PCI DSS certified payment gateway for online businesses, providing integration with payment systems via a single software platform. Learn more Key responsibilities: Developing the back-office system using TypeScript and React;Building the payment interface and payment widgets using TypeScript and Preact;Developing client-side web widgets optimized for mobile devices;Collaborating within a Scrum team and actively participating in planning your own workflow;Contributing to architectural, infrastructural, and other strategic tasks;Conducting code reviews for team members and documenting your own code. Required Experience: 4-5+ years of hands-on experience in frontend development using React;English (Intermediate level) and Russian (Upper-intermediate level);Extensive experience with JavaScript (ES6+) and TypeScript;Proficiency in working with modern frontend frameworks (React, Preact);Strong skills in HTML and CSS;Ability to write testable code and create unit tests;Familiarity with Linux and an understanding of containerization (we use Docker);Familiarity with Figma. Nice to have: Knowledge of one or more modern approaches to application design (e.g., DDD, Clean Architecture, Hexagonal Architecture, etc.);Broad technical expertise and experience developing in one or more additional programming languages;Experience developing applications for financial systems or other industries where security and data integrity are critical requirements;Experience in iGaming;Experience building secure embedded interfaces: iframes, CSP, and WebView, including handling redirects, tab opening, and browser restrictions. Our Benefits: Full-time remote work opportunities and flexible working hours;Private insurance;An additional Day Off (1) per calendar year;Sports program compensation;Comprehensive Mental Health Programme;Free online English lessons with native speakers;Generous referral program;Training, internal workshops, and participation in international professional conferences and corporate events.