Senior Front-end Engineer (React)

JavaScript

Senior Front-end Engineer (React)

JavaScript
Al. Grunwaldzka, Gdańsk

KUBO

Full-time
Permanent
Senior
Remote
5 433.52 - 6 248.55 USD
Gross per month - Permanent

Job description

Are you passionate about software development and excited to shape the future of digital marketing? Join our client’s team where passion, trust, security, innovation, customer focus, and respect for everyone guide everything they do. Work on a next-generation marketing platform that reaches thousands of users worldwide, solve challenging problems with cutting-edge cloud and data technologies, and see your ideas make a real impact. Ready to take your career to the next level? Read on and apply today!


Key responsibilities

  • Design, develop, and maintain scalable React/TypeScript applications, including microfrontends using Module Federation.

  • Create reusable components, ensure design system consistency, and deliver high-quality user experiences with strong performance and accessibility.

  • Write and maintain unit, integration, and E2E tests (React Testing Library, Playwright) and troubleshoot issues across environments.

  • Collaborate with product, design, backend, and frontend teams through all stages of the development process.

  • Participate in code reviews, mentor junior


Ideal candidate profile

  • 5+ years of professional software development experience

  • Strong expertise in React, JavaScript (ES6+), and TypeScript

  • In-depth understanding of React Hooks, Context API, and state management solutions

  • Experience working with microfrontend architectures and Module Federation

  • Proficiency with React Testing Library and modern testing practices

  • Solid knowledge of HTML5, CSS3, and responsive design principles

  • Experience integrating with RESTful and GraphQL APIs and working with asynchronous programming

  • Familiarity with modern build tools and bundlers


Conditions

  • Location: Gdańsk (Remote or hybrid work available)

  • Work Model: flexible (remote/hybrid)

  • Employment Type: regular employment

  • Salary: 20 000 - 23 000 PLN/m-th gross


Recruitment steps

  1. Initial call with a KUBO recruiter

  2. HR call with the client's Manager

  3. 90-minutes technical interview (including coding)

  4. Decision and feedback

Tech stack

    English

    B2

    Architecture

    advanced

    TypeScript

    advanced

    Performance

    advanced

    Microfrontend

    advanced

    React

    advanced

Office location

Published: 19.12.2025

About the company

KUBO

As KUBO, we are an award-winning provider of HR, software, and engineering services. Our mission is to support technology-driven industry leaders with staffing, recruitment, team leasing, and managed services. With offic...

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