Bonapolia · Poland
Skills: React, TypeScript, JavaScript, HTML/CSS, Redux, Java, GraphQL, CI/CD, Testing, Accessibility
Project/Client:Banking Location: Baltic states + Poland Seniority:Senior / Lead Language:English
Role Overview: As aSenior Frontend Engineer, you will play a key role in building a modernReact-basedmicro-frontend architectureforbankingsystems. You will design and implement scalable frontend modules, develop high-quality user interfaces forBack Officeapplications, and ensure performance, security, and maintainability across the platform. This is a hands-on role combining technical leadership and active development, suited for an engineer experienced inReact,TypeScript, and complex enterprise environments, working with backend integrations viaREST APIsandGraphQL.
Key Responsibilities:
Lead and mentor a team ofReactdevelopers, providing technical guidance and conducting code reviews Design and implement scalablemicro-frontend architectureusing modern frontend tooling Develop high-quality frontend solutions usingReact,TypeScript, and state management (Redux,Zustand,Context API) Build and maintain reusable UI components, shared libraries, and design systems Collaborate with backend teams on integrations viaREST APIsandGraphQL Ensure best practices in performance, security, and accessibility Contribute toCI/CD, automated testing (Vitest,React Testing Library,Playwright), and code quality improvements Utilize modern development workflows, includingAI-assisted tools(e.g.,Copilot,Bmad workflow)
Must-Have Requirements:
5+ years of experience in frontend development with strong expertise inReact Strong proficiency inTypeScriptand modernJavaScript (ES6+) Hands-on experience withmicro-frontend architecture Experience with state management solutions (Redux,Zustand,Context API) Experience usingAI-assisted development tools(e.g.,Copilot) Solid understanding ofCSS,SASS, and responsive design principles Experience with testing frameworks such asVitest,React Testing Library, andPlaywright Familiarity withCI/CD,Git, and Agile development practices Strong understanding ofREST APIs,GraphQL, a…
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