SeniorLead React Developer

Project/Client: Banking
Location: Baltic states Poland
Seniority: Senior / Lead
Language: English

Role Overview:
As a Senior Frontend Engineer you will play a key role in building a modern React-based micro-frontend architecture for banking systems. You will design and implement scalable frontend modules develop high-quality user interfaces for Back Office applications 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 in React TypeScript and complex enterprise environments working with backend integrations via REST APIs and GraphQL.

Key Responsibilities:

• Lead and mentor a team of React developers providing technical guidance and conducting code reviews

• Design and implement scalable micro-frontend architecture using modern frontend tooling

• Develop high-quality frontend solutions using React 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 via REST APIs and GraphQL

• Ensure best practices in performance security and accessibility

• Contribute to CI/CD automated testing (Vitest React Testing Library Playwright) and code quality improvements

• Utilize modern development workflows including AI-assisted tools (e.g. Copilot Bmad workflow)

Must-Have Requirements:

• 5 years of experience in frontend development with strong expertise in React

• Strong proficiency in TypeScript and modern JavaScript (ES6)

• Hands-on experience with micro-frontend architecture

• Experience with state management solutions (Redux Zustand Context API)

• Experience using AI-assisted development tools (e.g. Copilot)

• Solid understanding of CSS SASS and responsive design principles

• Experience with testing frameworks such as Vitest React Testing Library and Playwright

• Familiarity with CI/CD Git and Agile development practices

• Strong understanding of REST APIs GraphQL and frontend-backend integration

• Experience mentoring developers and leading technical decisions

Nice to Have:

• Experience in banking or enterprise environments

• Knowledge of backend technologies such as Java Spring Boot Spring Security

• Familiarity with event-driven architectures (e.g. Kafka)
  
  
  Ready to Join
  We look forward to receiving your application and welcoming you to our team!