Senior Full-Stack Engineer

About CyberCube:

CyberCube delivers the world's leading analytics to quantify cyber risk, translating one of the most critical risks of today and the future into financial impact for businesses, markets, and society.

We're looking for a Senior Full Stack Software Engineer to join our Tallinn team and take end-to-end ownership of features across a modern React/TypeScript frontend and a Java/Spring backend. You will shape how our architecture evolves as we scale, and have a real voice in technical product direction. You'll work alongside a team that values autonomy, trust, and intellectual rigor, and that keeps customer problems — not internal process — at the center of how decisions get made.

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  Designing, building, and owning complex features across the full stack, from React components to Java services

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  Reasoning about service boundaries and helping evolve our codebase through architectural change

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  Working with performance monitoring and optimization as a core part of how you build, not an afterthought

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  Using Claude Code as a natural part of your workflow

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  Helping the team stay ahead of industry and technology trends that shape our product direction

• Solid, proven experience shipping complex features in production, with real ownership of outcomes

• Strong React and TypeScript skills, and comfort with state management (Redux and friends)

• Strong Java skills, ideally with Spring Boot, Spring MVC, and Spring Data JPA

• Experience designing REST/OpenAPI APIs and working with relational databases and schema migrations

• Working knowledge of AWS fundamentals (S3, SQS, and similar services) and containerized local development (Docker)

• Comfort working with both synchronous and asynchronous service communication (queues/messaging)

• Play an instrumental role in reshaping one of the oldest industries in the world

• Learning and development assistance

• Vision and dental coverage

• Extra vacation days during winter holidays

• Flexible working hours and work-from-home option

• Company-supported mentorship and secondment programs

• Work abroad for up to 3 months with approval

AI is reshaping how work gets done across every function. We value people who are curious about AI, eager to learn, and thoughtful about applying AI tools to work more effectively. AI fluency is part of how we assess every role in our hiring process.

Research shows the best candidates rarely match a job description point for point. If you're excited about this role and believe you could make an impact, we'd love to hear from you, even if your experience doesn't line up perfectly with everything listed above.

CyberCube Analytics, Inc. and CyberCube Analytics Europe Limited is an equal opportunity employer. We don’t tolerate discrimination against age, gender, gender identity, gender expression, sexual orientation, race, color, nationality, ethnicity, religion, disability, veteran status, protected genetic information or political affiliation.