Senior Frontend Developer (Core)

About the role

We are seeking a Senior Frontend Developer (Core) to join a fast‑moving, product‑driven team. You will work remotely from South Africa, building and evolving large‑scale, user‑facing web applications that serve millions of users worldwide.

Key responsibilities

• Develop high‑quality frontend features for large‑scale applications using React and TypeScript.
• Refactor existing code to improve maintainability, scalability, and performance.
• Optimize application speed and responsiveness across devices and environments.
• Design robust technical solutions and influence frontend architecture decisions.
• Break down technical requirements into actionable tasks and deliver end‑to‑end implementations.
• Participate in code reviews and uphold 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 with complex React applications at scale.
• Strong proficiency in TypeScript and modern frontend practices.
• Solid understanding of software design principles, including SOLID.
• Familiarity with Functional Reactive Programming concepts.
• Knowledge of HTTP(S) and WebSocket protocols in real‑world applications.
• Ability to analyse requirements and break them into structured tasks.
• 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 position with global flexibility.
• 28 calendar days of annual vacation plus 7 wellness days.