React/TypeScript Frontend Engineer - Magento E‑commerce (Hybrid)

bolttech; Województwo mazowieckie; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Flexible working arrangements

10 Care Leave days

Birthday leave

Mentoring

Technical training

Job summary

bolttech is seeking a frontend engineer to build and evolve modern e-commerce frontend solutions used by international customers. You will own frontend features end-to-end using React, TypeScript, GraphQL, and modern architectures including Astro SSR and Magento PWA Studio.

Working closely with backend engineers, QA, designers, analysts, and technical leaders, you will drive technical decisions and ensure high quality.

Qualifications

• 4+ years of commercial experience developing React applications for large-scale e-commerce.
• Strong expertise in TypeScript with strict typing and generics.
• Hands-on experience with GraphQL queries, mutations, and caching.
• Experience with Tailwind CSS and responsive UI development.
• Knowledge of form management and validation using React Hook Form, Zod, or comparable solutions.
• Solid understanding of frontend performance optimization, including SSR, hydration strategies, Core Web Vitals, code splitting, and lazy loading.
• Experience with automated testing frameworks such as Vitest, Jest, Playwright, or Cypress.
• Proficiency with Git and CI/CD practices using GitHub Actions and/or Azure Pipelines.
• Experience with Docker and Kubernetes in modern deployment environments.
• Experience supporting and monitoring production applications.
• Ability to communicate effectively in English, both written and spoken.

Responsibilities

• Designing and implementing UI components using React 19 and TypeScript for large-scale e-commerce platforms.
• Developing frontend applications using Astro SSR and Magento PWA Studio architectures.
• Building and maintaining a type-safe GraphQL data layer integrated with Magento 2 APIs.
• Optimizing application performance through SSR hydration improvements, code splitting, lazy loading, caching strategies, and Core Web Vitals enhancements.
• Implementing and evolving design system components using Storybook and Tailwind CSS.
• Integrating frontend applications with payment solutions including PayU, Apple Pay, and BLIK, as well as PIM systems such as Akeneo.
• Developing and maintaining automated tests across multiple layers, including unit, end-to-end, accessibility, and monitoring tests.
• Participating in code reviews, architecture discussions, and technical design decisions.
• Collaborating with developers, testers, designers, analysts, and DevOps engineers throughout the software development lifecycle.
• Monitoring production environments and supporting application reliability and performance.
• Providing technical guidance, mentoring, and knowledge sharing within the engineering team.
• Taking ownership of frontend solutions from design through deployment and ongoing maintenance.

Skills

React

TypeScript

GraphQL

Tailwind CSS

State management

Git

CI/CD

Architecture

Tools

Docker

Kubernetes

Storybook

Magento PWA Studio

Astro

GraphQL Codegen

Vitest/Jest

Job description

bolttech is seeking a frontend engineer to build and evolve modern e-commerce frontend solutions used by international customers. You will own frontend features end-to-end using React, TypeScript, GraphQL, and modern architectures including Astro SSR and Magento PWA Studio.

Working closely with backend engineers, QA, designers, analysts, and technical leaders, you will drive technical decisions and ensure high quality.