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April 28, 2026

Senior Fullstack Engineer – Java and React Development

Senior • Hybrid

23,520 - 30,240 PLN

Krakow, Poland

Unleash innovation by shaping the future of software architecture and user experience!

Krakow-based opportunity with hybrid work model, offering flexibility and dynamic collaboration.

As a Senior Fullstack Engineer – Java and React Development, you will be working for our client in the technology industry, focusing on designing scalable, efficient, and user-centric applications. You will contribute to creating cutting-edge solutions that enhance UX, application stability, and operational efficiency, supporting the digital transformation journey.

Your main responsibilities:

  • Participating in software architecture design to build robust systems.
  • Leading UI enhancements and improvements to elevate user experience and application stability.
  • Implementing solutions following best Design Patterns for maintainability and scalability.
  • Analyzing requirements to fully understand solutions and recommending data-driven improvements.
  • Creating comprehensive documentation for developed solutions to ensure clarity and knowledge sharing.
  • Developing and testing application prototypes to validate concepts and designs.
  • Managing changes through the Service Management lifecycle, ensuring smooth transitions.
  • Contributing actively to automation initiatives and Service Management process improvements.
  • Providing exceptional customer support by addressing issues promptly and effectively.
  • Communicating with customers to understand needs and deliver tailored solutions.

You're ideal for this role if you have:

  • At least 5 years of professional experience in production applications development in Java, including front-end development with React.
  • Strong proficiency in Java and Web API development, with a focus on building secure, scalable backend services.
  • Expertise in database design, particularly with PostgreSQL, T-SQL scripting, query optimization, and performance tuning.
  • Hands-on experience with DevOps practices like CI/CD pipelines.
  • Deep understanding of the Software Development Life Cycle (SDLC), from requirements gathering to deployment and maintenance.
  • Exceptional problem-solving skills with keen attention to detail, ensuring high-quality deliverables.

It is a strong plus if you have:

  • Experience with cloud platforms (e.g., AWS, Azure).
  • Certifications in Java, React, or DevOps tools.

Language Required for the role:

  • Fluent English, with excellent communication skills.

Eligibility for the role:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

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Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.