Senior Frontend Developer (Core)

About the role

We are seeking a Senior Frontend Developer (Core) to join a fast‑moving, product‑driven team that builds large‑scale, user‑facing web applications serving millions of users worldwide. The role is fully remote and combines hands‑on React development with technical leadership.

Key responsibilities

• Develop and enhance high‑quality frontend features for large‑scale web applications using React and TypeScript.
• Refactor existing functionality to improve maintainability, scalability, and performance.
• Optimize application speed, responsiveness, and overall user experience across devices.
• Design robust technical solutions and contribute to frontend architecture decisions.
• Break down technical requirements into actionable tasks and deliver end‑to‑end implementations.
• Participate in code reviews and uphold high engineering standards.
• Collaborate with cross‑functional teams to align product goals, UX design, and technical execution.

Required profile

• Several years of professional frontend development experience, preferably with complex React applications at scale.
• Strong proficiency in TypeScript and modern frontend development practices.
• Solid understanding of software design principles, including SOLID.
• Familiarity with Functional Reactive Programming concepts.
• Good knowledge of HTTP(S) and WebSocket protocols.
• Ability to analyse requirements and break them into structured tasks.
• Strong awareness of UX/UI principles.
• Experience in code reviews and maintaining engineering quality.
• Fluent Russian language skills.

Required skills

• React
• TypeScript
• Functional Reactive Programming
• HTTP/HTTPS
• WebSocket
• SOLID design principles
• UX/UI principles

What we offer

• Fully remote, full‑time position with global flexibility.
• 28 calendar days of annual vacation.
• 7 additional wellness days per year.