Frontend Developer - Freelancer

Team: Frontend - Delta

Location: Poland

Commitment: Freelance

Workplace Type: remote

Tasks

• Design, build and maintain efficient, reusable and reliable code.

• Build React/Next.js based applications.

• Ensure the best possible performance, quality, and responsiveness of applications.

• Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.

• Help maintain code quality.

• Participate in the agile team scrums and effectively communicate to the team the status, roadblocks, and timelines for the task at hand.

• Must be able to collaborate with BA, QA, developers and offshore developers to plan, design, develop, test, and maintain mobile web and desktop-based applications requested by the stakeholders.

• Share knowledge with the team during workshops.

Requirements

What We're Looking For:

• 5+ years of professional experience.

• Excellent communication skills.

• Great ownership of assigned tasks. Self-driven and proactive approach.

• Strong experience in JavaScript and TypeScript.

• Thorough understanding of React/Next.js core principles along with React router, hooks, Redux (or the like) workflows, Web performance and security.

• Developing and maintaining modern distributed micro services.

• Development in Cloud environments (Google Cloud Platform preferred).

• Building, testing, and troubleshooting high volume web services using API Protocols and Data Formats (REST & JSON).

• Solid foundation in data structures, algorithms and its implementation in JS.

• Expertise with semantic HTML.

• Proficiency in CSS, including Tailwind, Styled Components, CSS Modules, and SASS.

• Expertise browser-based debugging tools.

• Experience with responsive and adaptive design.

• experience with Testing (Unit Testing, react-testing-library, E2E).

• Keen understanding of web application development process and standard methodologies.

• Experience using AI-assisted development tools to improve productivity and code quality, such as Claude, GitHub Copilot, and similar tools.

• Ability to apply AI tools effectively for coding, debugging, testing, refactoring, and documentation while maintaining high standards of code quality, security, and best practices.

• English (B2+).

What Will Set You Apart:

• Previous experience in Front-end development with Docker.

• Experience with Headless CMS (preferably Contentful).

• Experience with NodeJS.

• Knowledge of GraphQL.

 

Missing one or two of these qualifications? We still want to hear from you! If you bring a positive mindset, we'll provide an environment where you feel valued and empowered to learn and grow.