Senior Fullstack Java/React

• Long-term cooperation on an international project.
• Flexible working hours.
• Opportunity to influence architecture and technical decisions.
• Modern technology stack.
• Supportive, collaborative engineering culture.
• Learning and development opportunities.
• Modern equipment and comfortable working environment.

Zakres obowiązków

• Design, develop, and maintain scalable full stack applications using Java and React.
• Build and maintain backend services with Java, Spring Framework, Spring Boot, SQL, and AWS.
• Develop modern, reusable, and responsive user interfaces using React, TypeScript, and JavaScript.
• Design and implement scalable frontend architecture and reusable UI components.
• Collaborate closely with Product Owners, QA Engineers, and other development teams.
• Integrate frontend applications with REST APIs and backend microservices.
• Contribute to architectural decisions and technical discussions.
• Ensure application performance, scalability, security, and maintainability.
• Participate in code reviews, sprint planning, and Agile ceremonies.
• Support deployment automation, production operations, and troubleshooting.
• Mentor less experienced developers and promote engineering best practices.

Wymagania

• Minimum 3–5 years of professional software development experience.
• Commercial experience with Java, Spring Framework, and Spring Boot.
• Commercial experience with React.js and TypeScript.
• Solid understanding of JavaScript (ES6+).
• Experience working with AWS in production environments.
• Understanding of microservices architecture.
• Hands-on experience with SQL and relational databases.
• Experience integrating and consuming REST APIs.
• Very good knowledge of HTML5, CSS3 / SCSS, responsive design, and cross-browser compatibility.
• Experience with frontend testing using Jest and React Testing Library.
• Familiarity with modern frontend tooling and build processes.
• Ability to work independently, take ownership of delivered solutions, and contribute to system design.
• Excellent communication skills and experience working in Agile environments

Nice to have:

• Experience with Kafka or other event-driven architectures.
• Knowledge of Hadoop or Apache Spark.
• Experience with Next.js.
• Experience with Redux, Zustand, or similar state management solutions.
• Previous experience in Healthcare or Life Sciences projects.

Tech stack

• Java
• Spring Boot
• React
• AWS
• Microservices architecture
• Relational database
• REST API
• Kafka
• Hadoop
• Apache Spark
• Redux