FullStack Engineer

Opis stanowiska

At KUBO, we’re looking for experienced Fullstack Developers to support one of our clients in the financial sector. You'll join a long-term architectural transformation, working with both backend and frontend technologies in a complex, high-performance environment. As a consultant, you’ll be part of an international Agile team, working fully remote from Poland. The team is responsible for critical platform components with high visibility across the organization.

Zakres obowiązków

• Design, develop, and maintain fullstack applications using Java, Spring Boot, TypeScript, Node.js, and React
• Refactor and modernize parts of the existing platform, gradually migrating functionality from monolithic systems to scalable services
• Implement secure and well-structured APIs and frontend components
• Collaborate with backend and frontend specialists to ensure end-to-end quality and performance
• Ensure high standards in code quality, testing, and documentation
• Contribute to architectural decisions and best practices within the team

Wymagania

• Several years of experience in software development, with strong backend and frontend skills
• Proficient in Java, Spring Boot, JavaScript/TypeScript, and React
• Comfortable working with Node.js on the backend when needed
• Solid understanding of fullstack development workflows and patterns
• Familiar with SSO concepts and authentication flows (nice to have)
• Experience working in distributed, Agile teams and modern DevOps environments
• Strong communication skills in Polish and English

Informacje dodatkowe

• Contract type: B2B
• Duration: Until end of 2026 (possible extension)
• Salary: 140-210 PLN/h; Negotiable, depending on experience
• Benefits: Private medical care, life insurance, trainings, Multisport card

W KUBO naprawdę zależy nam na ludziach. Zapraszamy osoby w różnym wieku, o różnych tożsamościach i sposobach funkcjonowania oraz niezależnie od sytuacji zdrowotnej i rodzinnej. Autentyczność jest dla nas wartością, a naszym celem jest uczciwy i otwarty proces dla wszystkich.

At KUBO, we genuinely care about people. We welcome candidates of all ages, backgrounds, identities, family constellations, health situations, and ways of thinking and interacting with the world. You’re welcome to be yourself — we value authenticity, and we’re committed to creating a fair and inclusive process for everyone.