Data Edge
Sr. Frontend Developer
Data EdgeLithuania23 hours ago
Part-timeRemote FriendlyEngineering, Information Technology
Location: Hybrid Lithuania preferred

Start Date: ASAP

Duration: 12 months

Seniority: Senior

Language: English

Role Overview:

We are seeking a Senior Frontend Developer to lead frontend initiatives for a fintech platform. The role focuses on building scalable architectures, driving UI/UX consistency, and mentoring team members while collaborating across engineering and product domains.

Key Responsibilities:

  • Lead development using React and Next.js across complex features and systems
  • Define and maintain frontend architecture and coding standards
  • Collaborate with backend, DevOps, and product teams to align technical solutions
  • Optimize performance, accessibility, and maintainability across applications
  • Review code, guide best practices, and mentor mid-level developers


Must-Have Requirements:

  • 5+ years of professional frontend development experience
  • Expert-level knowledge of React, Next.js, JavaScript/TypeScript, HTML/CSS
  • Experience designing scalable frontend architecture and CI/CD processes
  • Strong understanding of API integration and event-driven interfaces
  • Fluent English


Nice to Have:

  • Experience with Redux, Zustand, or other modern state tools
  • Testing experience with Jest, React Testing Library, or Cypress
  • Fintech or high-security project background
  • Experience with payment systems and workflows

Key Skills

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