Full Stack Engineer - Frontend

At Mindboxwe connect top IT talents with technology projects for leading enterprises across Europe.

As a Full Stack Developer, you’ll work across the entire stack, focusing on React/Next.js TypeScript frontend (~70%) and Java (Spring Boot) backend (~30%).

You’ll design engaging, performant, and accessible interfaces, build seamless API connections, and ensure full product functionality aligned with modern engineering standards in a cloud-native environment.

Sounds like your kind of challenge?

Responsibilities

• Flexible cooperation model
• Hybrid work setup - 2x/week in the office in Kraków - remote days available depending on the client’s arrangements
• Collaborative team culture - work alongside experienced professionals eager to share knowledge
• Continuous development - access to training platforms and growth opportunities
• Comprehensive benefits - including Interpolska Health Care, Multisport card, Warta Insurance, and more
• High quality equipment - laptop and essential software provided

Requirements

• Develop and maintain React/Next.js (TypeScript) frontends with focus on UX performance, accessibility, and code quality.
• Implement user-facing features, reusable UI components, and state management logic, following best practices and design guidelines.
• Integrate frontends with Java (Spring Boot) services and APIs - support backend data flows when needed.
• Ensure end-to-end delivery of product features - from API integration to UI and interaction layer.
• Collaborate with UX designers, backend engineers, and data teams to refine features and deliver complete user journeys.
• Write clean, secure, and reusable code with solid testing coverage (JUnit, Vitest, Playwright).
• Contribute to performance, observability, and code reliability standards throughout the stack.

Note:Detailed project information will be shared during the recruitment process.

Benefits

• Proven experience with React + TypeScript and modern frontend architecture.
• Hands-on understanding of Next.js, state management, and data-fetching patterns.
• Familiarity with Java/Spring Boot backend development and API integration.
• Experience collaborating on cross-functional product delivery.
• Understanding of observability and monitoring tools.
• Exposure to automated testing practices across frontend and backend layers.
• Curiosity, collaboration, and a structured problem-solving mindset.

Nice to have

• Developers with understanding of data or experience in data engineering (Spark, including event-driven processing) are very welcome.
• Knowledge of modern frontend frameworks (Next.js) or advanced TypeScript practices.
• Experience in cloud-native environments.
• Practice with infrastructure as code and deployment automation.

Joining this project you’llbecome part of Mindbox - a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’llback you up every step of the way, accelerate your development, and ensure your skills make a difference.