# Senior

[Finteqhub](https://gurify.com/jobs?q=Finteqhub) · Posted yesterday

Senior

[Frontend](https://gurify.com/jobs/frontend)

[Apply on the original posting → (opens in a new tab)](https://finteqhub.teamtailor.com/jobs/8206861-frontend-developer-senior)

## Job 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.

**Live in Finteqhub’s hiring system.** Read from the company's own applicant tracking system, not reposted from a job board — so it's a real, open requisition rather than an ad that outlived the role.

We remove it as soon as it disappears at source.

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