Frontend Developer

Opera

. Develop and maintain browser extensions using React or Svelte .

Posted 11/9/2026full-timeWrocław • PolandMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in frontend development with a strong focus on building responsive user interfaces using React or Svelte, integrating AI capabilities, and ensuring seamless browser extension functionality. Proven ability to collaborate within cross-functional teams and deliver high-quality solutions.

Highest-signal resume keywords

Frontend DevelopmentReactSvelteJavaScriptAI-Powered Development Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Frontend DevelopmentJavaScriptTypeScriptReactSvelteBrowser Extension DevelopmentAPI IntegrationAsynchronous OperationsComponent-Based User InterfacesDebugging

Soft Skills

Problem-SolvingCollaborationOwnership

Tools & Technologies

CursorGitHub CopilotClaude Code

Industry Keywords

Browser TechnologiesBrowser APIsAI Agent InteractionsTechnical DocumentationCode Quality

Tech Stack

Tools & technologies

JavaScriptReactSvelteTypeScript

About the role

Key responsibilities & impact

Develop and maintain browser extensions using React or Svelte
Build responsive and intuitive user interfaces
Build interfaces and workflows for AI agent interactions
Integrate AI-powered capabilities with Opera AI Chat
Implement browser extension features and functionality
Ensure seamless integration with the browser environment
Collaborate with product managers, designers, and other engineers
Deliver new features and improve existing solutions
Test, debug, optimize, and maintain frontend applications
Contribute to technical documentation and code quality

Requirements

What you’ll need

Solid experience in frontend development
Strong understanding of JavaScript/TypeScript and modern frontend technologies
Hands-on experience with React or Svelte
Experience building maintainable, component-based user interfaces
Experience using AI-powered development tools such as Cursor, GitHub Copilot, or Claude Code
Understanding of browser technologies
Experience developing browser extensions or working with browser APIs
Experience integrating frontend applications with APIs and external services
Experience handling asynchronous operations and data flows
Strong problem-solving skills
Ownership of delivered solutions
Ability to collaborate effectively within a cross-functional engineering team
CV submitted in English

Benefits

Comp & perks

Diverse and inclusive team
Supportive professionals and collaborative environment
Flat structure with short decision-making paths
Ongoing skill development
Friendly and empowering environment
Continuous learning and opportunities to grow
Fair, transparent, and inclusive environment