Senior Java Backend Engineer - Remote/Hybrid, Cloud-Scale

Jit Team; Gdynia; Hybrid; PLN 166,000 - 240,000; Full time

Job summary

Jit Team in Poland is seeking a skilled backend developer to join a newly created development team focused on scalable cloud-native solutions for a global HR leader. You will contribute to building and enhancing backend services using Java, Spring, Hibernate, and PostgreSQL in a modern, agile setting with a strong emphasis on code quality and performance.

As part of an elastic hybrid work arrangement from Gdynia, you will work with AWS cloud services, Docker containers, and best practices to

Qualifications

• Strong proficiency in Java and backend development principles.
• Solid understanding of PostgreSQL and database optimization techniques.
• Hands-on experience with Hibernate Criteria API for efficient data queries.
• Experience with Docker for containerization and deployment.
• In-depth knowledge of the Spring ecosystem (Spring Boot, Spring Batch).
• Experience in batch processing using Spring Batch.
• Practical knowledge of AWS services, including ECS, S3, and RDS.

Responsibilities

• Developing new application modules based on business requirements.
• Reviewing and improving code, ensuring high maintainability and scalability.
• Designing and implementing efficient backend solutions.
• Writing clean, structured, and scalable code following best practices.

Skills

Java backend development

PostgreSQL tuning

Hibernate Criteria API

Spring Framework (Boot, Batch)

REST API design

Docker

AWS (ECS, S3, RDS)

Spring Batch

Job description

Jit Team in Poland is seeking a skilled backend developer to join a newly created development team focused on scalable cloud-native solutions for a global HR leader. You will contribute to building and enhancing backend services using Java, Spring, Hibernate, and PostgreSQL in a modern, agile setting with a strong emphasis on code quality and performance.

As part of an elastic hybrid work arrangement from Gdynia, you will work with AWS cloud services, Docker containers, and best practices to