Frontend Engineer - React + Next.js (Payments Platform)

DataArt; Monterrey; On-site; MXN 420,000 - 640,000; Full time

Job summary

DataArt is seeking two Frontend Software Engineers (Junior to Middle) to join a cross-functional squad building the Payments Platform. You will develop customer-facing payment interfaces with React, componentize UI with the shared design system, and collaborate with backend, product and UX teams to deliver reliable, secure checkout experiences.

The client is building a modular, cloud-native Payments Platform with local payment methods and currencies, smart routing, and BNPL.

Qualifications

• 2+ years of professional frontend development experience with React.
• Strong knowledge of JavaScript, HTML, and CSS with frontend SOLID practices.
• Fluent Spanish; English for documentation and collaboration.

Responsibilities

• Develop customer facing payment interfaces with React using clean, maintainable code.
• Maintain checkout and payment interfaces in line with design patterns and SOLID principles.
• Componentize UI consistently with the design system.
• Integrate REST APIs and BFFs with backend and product teams.
• Optimize frontend performance and reliability across interfaces.
• Apply accessibility and SEO best practices in frontend development.
• Design unit and end to end tests for frontend features.
• Participate in code reviews to support code quality.
• Release changes safely using feature flags.
• Collaborate with UX and Product teams on conversion improvements and A/B experiments.
• Follow security and data handling guidelines for sensitive data.
• Collaborate with infrastructure and delivery teams on CI and CD pipelines.
• Monitor production and help resolve incidents.
• Participate in Agile ceremonies.
• Document technical solutions.

Skills

React

JavaScript

HTML/CSS

SOLID principles

REST APIs

Testing

Git workflows

CI/CD concepts

Spanish

English

TypeScript

Next.js

Webpack

Design systems

Component libraries

Core Web Vitals

WCAG

SQL basics

Documentation in English

Tools

Webpack

CI/CD tooling

Design system

Git

REST API tooling

Job description

DataArt is seeking two Frontend Software Engineers (Junior to Middle) to join a cross-functional squad building the Payments Platform. You will develop customer-facing payment interfaces with React, componentize UI with the shared design system, and collaborate with backend, product and UX teams to deliver reliable, secure checkout experiences.

The client is building a modular, cloud-native Payments Platform with local payment methods and currencies, smart routing, and BNPL.