Full Stack Developer (Java + React)

Full Stack Developer (Java + React)

• 💰 20,000 - 23,700 PLN/MONTH

• 📍 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote)

• ☑️ Full-time

• 🕦 B2B or CoE

We’re looking for a talented Full Stack Engineer to join a growing engineering team of an established international tech company focused on building modern, data-driven platforms that power digital transformation in financial and enterprise sectors.If you enjoy working across the full stack - from sleek, interactive UIs to powerful backend systems and thrive in a collaborative environment with modern technologies, we’d love to hear from you.

Requirements:

• 5+ years of experience as a Full Stack Developer working with Java and React.js.

• Strong knowledge of Spring Boot, Hibernate/JPA, and RESTful API development.

• Experience with microservices architecture and API gateway integrations.

• Front-end proficiency in React.js, Redux, TypeScript, HTML5, and CSS3.

• Experience with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS.

• Knowledge of authentication and authorization mechanisms (OAuth2, JWT, session-based).

• Familiarity with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB, Redis).

• Practical experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD).

• Exposure to cloud platforms (AWS, Azure, or GCP) and containerization using Docker and Kubernetes

Nice to have:

• Familiarity with GraphQL or event-driven architectures.

• Experience with monitoring tools (Prometheus, ELK stack).

• Background in fintech or regulated industries.

Responsibilities:

• Develop and maintain RESTful APIs and microservices with Java, Spring Boot, Hibernate, and JPA.

• Design, develop, and maintain front-end components using React.js, Redux, and modern JavaScript (ES6+).

• Build responsive and high-performance user interfaces ensuring great UX.

• Implement robust authentication, authorization, and data management mechanisms.

• Work with relational and NoSQL databases such as PostgreSQL, MySQL, and MongoDB.

• Manage deployment processes through CI/CD pipelines and containerization tools like Docker and Kubernetes.

Get to know DevsData

We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team. We employ people with experience in international corporations as well as the ones from the best technical and business universities. Find out more: https://devsdata.com