Senior Frontend Developer – Core (Remote, Ireland)

About the role

We are looking for 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, based in Ireland, and combines hands‑on React development with technical leadership.

Key responsibilities

• Develop and enhance high‑quality frontend features for global web applications using React and TypeScript.
• Refactor existing code 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, multicultural teams to align product goals, UX design and technical execution.

Required profile

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

Required skills

• React
• TypeScript
• SOLID design principles
• Functional Reactive Programming (FRP)
• HTTP/HTTPS protocols
• WebSocket protocol

What we offer

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