Currency

Senior Frontend Developer (100% remote)

5 455 - 6 274 USDNet per month - B2B
JavaScript

Senior Frontend Developer (100% remote)

JavaScript

Centrum, Warsaw

DevsData LLC

Full-time
B2B
Senior
Remote
5 455 - 6 274 USD
Net per month - B2B

Tech stack

    JavaScript

    advanced

    HTML5

    advanced

    CSS 3

    advanced

    React

    advanced

Job description

Senior Frontend Developer (100% remote)


  • 💰 Salary: 20,000-23,000 PLN/month 

  • 🌎 100% Remote

  • 🕦 Full-time position

  • ☑️ B2B or Contract of Employment


We are looking for a Senior Frontend Developer for a partner client that helps businesses use artificial intelligence to run more efficiently and grow faster. The company builds and provides digital platforms and consulting services that enable organizations to manage operations, analyze data, and improve performance. Their solutions combine AI, automation, and deep business expertise to help clients simplify workflows, gain insights, and deliver greater value.


Requirements:


  • HTML5, CSS3, JavaScript (ES6) 

  • Strong understanding of the Document Object Model (DOM)

  • Skilled in Responsive Design and cross-browser compatibility

  • Experience with React.js and Material UI

  • Familiarity with CSS preprocessors such as SASS or LESS

  • Understanding of BEM methodology and CSS-in-JS approaches

  • Knowledge of browser storage mechanisms (cookies, localStorage, sessionStorage)

  • Proficient in using package managers (npm/yarn)

  • Experience in unit testing using Jest or equivalent frameworks

  • Understanding of SEO best practices

  • Familiarity with TypeScript for type-safe, large-scale applications

  • Knowledge of server-side rendering (SSR) and service workers

  • Experience with code bundling and modern module bundlers (e.g., Webpack, Vite, Rollup)

  • Understanding of browser extensions and their integration with web applications


Responsibilities:


  • Develop and maintain  complex, responsive user interfaces for large-scale web applications.

  • Architect and integrate front-end components with back-end APIs and services, ensuring security, scalability, and performance.

  • Drive the implementation of pixel-perfect UI/UX designs across browsers and devices.

  • Provide technical mentorship to junior developers and guide the team in adopting modern best practices.

  • Conduct code reviews, enforce standards, and maintain a clean, modular codebase.

  • Evaluate and recommend new frameworks, tools, and libraries to enhance productivity.

  • Manage project timelines, estimate development efforts, and collaborate effectively with cross-functional teams.

  • Maintain comprehensive front-end documentation, design patterns, and style guides.

  • Stay updated with industry trends, emerging technologies, and front-end innovations to continuously improve team capabilities.

  • Participate in architectural discussions, ensuring long-term scalability and maintainability of the front-end ecosystem.


Get to know DevsData


We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities.


Find out more: https://devsdata.com


Tech stack

    JavaScript

    advanced

    HTML5

    advanced

    CSS 3

    advanced

    React

    advanced

Office location

Published: 30.10.2025

About the company

DevsData LLC

DevsData is a premium recruitment and software development agency specialized in developing unique software, artificial intelligence, and Big Data solutions. We’re working 100% remotely so that we can change the world fr...

Company profile

Senior Frontend Developer (100% remote)

5 455 - 6 274 USDNet per month - B2B
Summary of the offer

Senior Frontend Developer (100% remote)

Centrum, Warsaw

DevsData LLC

5 455 - 6 274 USDNet per month - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest DevsData LLC z siedzibą na 1820 Avenue M #481, Brooklyn, NY 11230, USA (dalej jako "admini... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.