Frontend Developer - Senior

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.
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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.