Senior Full-Stack Engineer

About the role

CyberCube is seeking a Senior Full‑Stack Engineer to join its Tallinn team. You will own end‑to‑end feature development across a modern React/TypeScript front‑end and a Java/Spring back‑end, influencing architecture as the platform scales.

Key responsibilities

• Design, build, and maintain complex features from React components to Java services.
• Define service boundaries and drive architectural evolution.
• Integrate performance monitoring and optimisation into the development workflow.
• Leverage AI tools such as Claude Code to enhance productivity.
• Stay ahead of industry trends and help shape product direction.

Required profile

• Proven experience shipping complex, production‑ready features with full ownership.
• Strong expertise in React, TypeScript, and state‑management libraries (e.g., Redux).
• Deep knowledge of Java, Spring Boot, Spring MVC, and Spring Data JPA.
• Experience designing REST/OpenAPI APIs and working with relational databases.
• Solid understanding of AWS fundamentals (S3, SQS) and containerised development with Docker.

Required skills

• React
• TypeScript
• Redux (or similar)
• Java
• Spring Boot
• Spring MVC
• Spring Data JPA
• REST/OpenAPI
• SQL relational databases
• AWS (S3, SQS)
• Docker
• Kubernetes/Helm (optional)
• Kotlin (optional)
• i18n / multi‑locale development (optional)

What we offer

• Opportunity to influence product architecture at a fast‑growing cyber‑risk analytics company.
• Collaborative, intellectually rigorous culture with global teams.
• Access to cutting‑edge AI tools and continuous learning.