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Senior Frontend Developer - Freelancer
  • Warsaw
Senior Frontend Developer - Freelancer
Warszawa, Warsaw, Masovian Voivodeship, Polska
Espeo Software Sp. z o.o.
20. 11. 2025
Informacje o stanowisku

Senior Frontend Developer - Freelancer

SKILLS: React | Typescript | Webflow

B2B: PLN 110 - 150 / Hour

LOCATION: REMOTE (POLAND)

START DATE:

PROJECT DURATION: 1 month

Key Duties and Requirements: A Roadmap to Your Professional Success

Scope of responsibilities:

  • Designing, developing, and maintaining scalable frontend applications using React and TypeScript

  • Creating and maintaining the company website using Webflow

  • Collaborating closely with designers and backend engineers to deliver seamless user experiences

  • Building reusable UI components and frontend libraries for internal products

  • Ensuring high performance, accessibility, and responsiveness across various devices and browsers

  • Participating in code reviews, mentoring team members, and sharing best practices

  • Integrating APIs and optimizing data handling for performance and scalability

  • Working with CI/CD pipelines and modern development tools

Here’s a set of skills we require:

  • 5+ years of professional experience in frontend development

  • Excellent knowledge of React , TypeScript , and JavaScript (ES6+)

  • Strong understanding of HTML5 , CSS3 , and responsive design principles

  • Experience in building and managing websites in Webflow

  • Familiarity with state management tools (e.g., Redux, Zustand, Recoil, or Context API)

  • Proficiency in using Git , CI/CD , and modern build tools (Vite , Webpack , or similar)

  • Strong understanding of REST and GraphQL API integration

  • Good eye for UI/UX and attention to design fidelity

  • Excellent communication skills and ability to work in a collaborative environment

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