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Senior Java Full Stack Developer - Spring Boot/Javascript Frameworks

Posted on: 15/11/2025

Job Description

Description :


Location : Hungary (Remote/Hybrid Budapest, Debrecen, Szeged, Pcs, Miskolc)

Employment Type : Full-time / Contract

Experience Required : 5 to 10 Years

About the Role :


We are seeking a Senior Java Full-Stack Developer with strong technical expertise in microservices, cloud-native development, and modern frontend frameworks.

This role requires a self-driven professional capable of taking ownership of complex modules, mentoring juniors, and driving architectural improvements.

You will collaborate with global teams to deliver high-performance, scalable, and secure enterprise applications.

Key Responsibilities :


Backend Engineering :


- Architect and develop microservices using Java 11/17+, Spring Boot, Spring Cloud, and Spring MVC.

- Design scalable REST APIs and asynchronous flow integrations using Kafka or RabbitMQ.

- Implement domain-driven design principles and reusable components.

Frontend Engineering :

- Develop advanced frontend modules using React.js or Angular with TypeScript.

- Implement state management solutions like Redux, NgRx, or RxJS.

- Build scalable, reusable UI components aligned with design guidelines.

Database Leadership :


- Design database schemas, optimize queries, and build indexing strategies.

- Work with PostgreSQL, Oracle, MySQL, and MongoDB for different use cases.

DevOps & Testing :

- Build and optimize CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI.

- Improve code quality using SonarQube and static analysis tools.

- Write unit and integration tests ensuring high test coverage.

Team Collaboration & Leadership :


- Mentor junior developers and conduct code reviews.

- Collaborate with architects and product managers to clarify requirements.

- Lead sprint planning, grooming sessions, and provide accurate estimations.

Required Skills :

- Strong expertise in Java 11/17+, Spring Boot, Spring Cloud, Microservices

- Proficiency in React.js or Angular, TypeScript, and modern JS frameworks

- Strong knowledge of PostgreSQL/MySQL/Oracle/MongoDB

- Experience with Docker, Kubernetes, and cloud environments

- Familiarity with caching, event-driven architecture, design patterns

- Strong understanding of CI/CD workflows and automation tools

Key Responsibility Areas (KRAs) :

- Deliver complex modules end-to-end with high scalability and performance.

- Reduce defect leakage by enforcing code review and test coverage standards.

- Mentor 3 to 4 developers to improve team technical capability.

- Improve system performance through refactoring, caching, or architectural enhancements.

- Strengthen CI/CD reliability and introduce automation improvements.

- Ensure compliance with project architectural guidelines and best practices.

- Collaborate with stakeholders to resolve requirements, risks, and dependencies.

- Introduce reusable components and optimize development workflows

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